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< a href = "presolve__context_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_SAT_PRESOLVE_CONTEXT_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_SAT_PRESOLVE_CONTEXT_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < cstdint> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < deque> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
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< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include < tuple> < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include < utility> < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " absl/base/attributes.h" < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_map.h" < / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_set.h" < / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "preprocessor" > #include " absl/strings/str_cat.h" < / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "preprocessor" > #include " absl/types/span.h" < / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "preprocessor" > #include " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "preprocessor" > #include " ortools/sat/cp_model.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "preprocessor" > #include " < a class = "code" href = "cp__model__utils_8h.html" > ortools/sat/cp_model_utils.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sat_2model_8h.html" > ortools/sat/model.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "preprocessor" > #include " < a class = "code" href = "presolve__util_8h.html" > ortools/sat/presolve_util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "preprocessor" > #include " ortools/sat/sat_parameters.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00035" 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 id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "preprocessor" > #include " < a class = "code" href = "affine__relation_8h.html" > ortools/util/affine_relation.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "preprocessor" > #include " < a class = "code" href = "bitset_8h.html" > ortools/util/bitset.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "preprocessor" > #include " < a class = "code" href = "util_2logging_8h.html" > ortools/util/logging.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sorted__interval__list_8h.html" > ortools/util/sorted_interval_list.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "preprocessor" > #include " < a class = "code" href = "time__limit_8h.html" > ortools/util/time_limit.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "keyword" > namespace < / span > sat {< / div >
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< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
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< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // We use some special constraint index in our variable < -> constraint graph.< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d" > 46< / a > < / span > < span class = "keyword" > constexpr< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d" > kObjectiveConstraint< / a > = -1;< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae" > 47< / a > < / span > < span class = "keyword" > constexpr< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae" > kAffineRelationConstraint< / a > = -2;< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#abe4ecb2ef8f498b18a55fbcbbf54e550" > 48< / a > < / span > < span class = "keyword" > constexpr< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "namespaceoperations__research_1_1sat.html#abe4ecb2ef8f498b18a55fbcbbf54e550" > kAssumptionsConstraint< / a > = -3;< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_presolve_context.html" > PresolveContext< / a > ;< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // When storing a reference to a literal, it is important not to forget when< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // reading it back to take its representative. Otherwise, we might introduce< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // literal that have already been removed, which will break invariants in a< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // bunch of places.< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_saved_literal.html" > 56< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_saved_literal.html" > SavedLiteral< / a > {< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_saved_literal.html#a24f5a711e542ac97673337e549a74e7c" > 58< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_saved_literal.html#a24f5a711e542ac97673337e549a74e7c" > SavedLiteral< / a > () {}< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_saved_literal.html#ad134f35430fd7787cea20a3714c123e0" > 59< / a > < / span > < span class = "keyword" > explicit< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_saved_literal.html#ad134f35430fd7787cea20a3714c123e0" > SavedLiteral< / a > (< span class = "keywordtype" > int< / span > ref) : ref_(ref) {}< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_saved_literal.html#adf2db0610413d540ca6c4e4f1cce5fd6" > Get< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_presolve_context.html" > PresolveContext< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6" > context< / a > ) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "keywordtype" > int< / span > ref_ = 0;< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > };< / div >
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< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < / div >
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< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "comment" > // Same as SavedLiteral for variable.< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_saved_variable.html" > 67< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_saved_variable.html" > SavedVariable< / a > {< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_saved_variable.html#aea29b5bb569ea104749893b9f321697c" > 69< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_saved_variable.html#aea29b5bb569ea104749893b9f321697c" > SavedVariable< / a > () {}< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_saved_variable.html#abbc9b5ccc44af7db8e8a5703dce41b7d" > 70< / a > < / span > < span class = "keyword" > explicit< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_saved_variable.html#abbc9b5ccc44af7db8e8a5703dce41b7d" > SavedVariable< / a > (< span class = "keywordtype" > int< / span > ref) : ref_(ref) {}< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_saved_variable.html#adf2db0610413d540ca6c4e4f1cce5fd6" > Get< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_presolve_context.html" > PresolveContext< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6" > context< / a > ) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < span class = "keywordtype" > int< / span > ref_ = 0;< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > };< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < span class = "comment" > // Wrap the CpModelProto we are presolving with extra data structure like the< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // in-memory domain of each variables and the constraint variable graph.< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html" > 79< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_presolve_context.html" > PresolveContext< / a > {< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1718a4c289ba4833e88f7e6cd0207a81" > 81< / a > < / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1718a4c289ba4833e88f7e6cd0207a81" > PresolveContext< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , CpModelProto* cp_model, CpModelProto* mapping)< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > : < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417" > working_model< / a > (cp_model),< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4b3b9ef9c5f214dd4427daa2646eceda" > mapping_model< / a > (mapping),< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > logger_(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1_solver_logger.html" > SolverLogger< / a > > ()),< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > params_(*< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< SatParameters> ()),< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > time_limit_(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > > ()),< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > random_(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > ModelRandomGenerator< / a > > ()) {}< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "comment" > // Helpers to adds new variables to the presolved model.< / span > < / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "comment" > // TODO(user): We should control more how this is called so we can update< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > // a solution hint accordingly.< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044" > NewIntVar< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > & domain);< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091" > NewBoolVar< / a > ();< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102" > GetOrCreateConstantVar< / a > (int64_t cst);< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "comment" > // a => b.< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717" > AddImplication< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > );< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > // b => x in [lb, ub].< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9" > AddImplyInDomain< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > , < span class = "keywordtype" > int< / span > x, < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > & domain);< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "comment" > // Helpers to query the current domain of a variable.< / span > < / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7" > DomainIsEmpty< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2" > IsFixed< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8" > CanBeUsedAsLiteral< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2" > LiteralIsTrue< / a > (< span class = "keywordtype" > int< / span > lit) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b" > LiteralIsFalse< / a > (< span class = "keywordtype" > int< / span > lit) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b" > MinOf< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9" > MaxOf< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2" > FixedValue< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612" > DomainContains< / a > (< span class = "keywordtype" > int< / span > ref, int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00" > DomainOf< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "comment" > // Helper to query the state of an interval.< / span > < / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9da1edd6532c2c2b0c09544eade57805" > IntervalIsConstant< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18" > StartMin< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a83cb3816d487395542f17a17776b9a1a" > StartMax< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382" > SizeMin< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95" > SizeMax< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5cc6a3ed49ec11734164c7ef646b15d5" > EndMin< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4" > EndMax< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#acb5ca2d891a58b6b9e55eee532c2557c" > IntervalDebugString< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "comment" > // Helpers to query the current domain of a linear expression.< / span > < / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "comment" > // This doesn' t check for integer overflow, but our linear expression< / span > < / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "comment" > // should be such that this cannot happen (tested at validation).< / span > < / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b" > MinOf< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9" > MaxOf< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2" > IsFixed< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > int64_t < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2" > FixedValue< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "comment" > // This methods only works for affine expressions (checked).< / span > < / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612" > DomainContains< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr, int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < span class = "comment" > // Return a super-set of the domain of the linear expression.< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae7450e5b3b9b22663ec7e1fe0d82b6b9" > DomainSuperSetOf< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < span class = "comment" > // Returns true iff the expr is of the form a * literal + b.< / span > < / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "comment" > // The other function can be used to get the literal that achieve MaxOf().< / span > < / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#adff3b5f900c3d62132781fc25b54fb1a" > ExpressionIsAffineBoolean< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad1cddf8749d0ce1686f1f428926cfb1d" > LiteralForExpressionMax< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
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< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < / div >
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< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < span class = "comment" > // Returns true iff the expr is of the form 1 * var + 0.< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a36a3dfcbe2bf048497070296b91ed97d" > ExpressionIsSingleVariable< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "comment" > // Returns true iff the expr is a literal (x or not(x)).< / span > < / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0481547ad6462a8cb545e2533bff1dc3" > ExpressionIsALiteral< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr,< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < span class = "keywordtype" > int< / span > * < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > = < span class = "keyword" > nullptr< / span > ) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "comment" > // This function takes a positive variable reference.< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a33f90dcf20e1ce9197e60eb3bed25974" > 152< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a33f90dcf20e1ce9197e60eb3bed25974" > DomainOfVarIsIncludedIn< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > & domain) {< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "keywordflow" > return< / span > domains[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ].IsIncludedIn(domain);< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > }< / div >
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< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < / div >
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< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "comment" > // Returns true if a presolve transformation is allowed to remove this< / span > < / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "comment" > // variable.< / span > < / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8" > VariableIsRemovable< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < span class = "comment" > // Returns true if this ref only appear in one constraint.< / span > < / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a54cf7f0077717d59a828b656b60c1615" > VariableIsUniqueAndRemovable< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < span class = "comment" > // Returns true if this ref no longer appears in the model.< / span > < / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab246112417bad87cb948820e304208ab" > VariableIsNotUsedAnymore< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > < / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < span class = "comment" > // Functions to make sure that once we remove a variable, we no longer reuse< / span > < / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "comment" > // it.< / span > < / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6939dc7b9db01cf3deff10405e260461" > MarkVariableAsRemoved< / a > (< span class = "keywordtype" > int< / span > ref);< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded" > VariableWasRemoved< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "comment" > // Same as VariableIsUniqueAndRemovable() except that in this case the< / span > < / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "comment" > // variable also appear in the objective in addition to a single constraint.< / span > < / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0d7555344bad8a6d860796d76df34c31" > VariableWithCostIsUnique< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a34e2cd343e0dfb06af9f67df8c4c3502" > VariableWithCostIsUniqueAndRemovable< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < span class = "comment" > // Returns true if an integer variable is only appearing in the rhs of< / span > < / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < span class = "comment" > // constraints of the form lit => var in domain. When this is the case, then< / span > < / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < span class = "comment" > // we can usually remove this variable and replace these constraints with< / span > < / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < span class = "comment" > // the proper constraints on the enforcement literals.< / span > < / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af7e074480c08f4887da40ca045624b6c" > VariableIsOnlyUsedInEncodingAndMaybeInObjective< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "comment" > // Returns false if the new domain is empty. Sets ' domain_modified' (if< / span > < / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "comment" > // provided) to true iff the domain is modified otherwise does not change it.< / span > < / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55" > IntersectDomainWith< / a > (< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < span class = "keywordtype" > int< / span > ref, < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > & domain, < span class = "keywordtype" > bool< / span > * domain_modified = < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < span class = "comment" > // Returns false if the ' lit' doesn' t have the desired value in the domain.< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30" > SetLiteralToFalse< / a > (< span class = "keywordtype" > int< / span > lit);< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a37ed950834f3f3b427a707631fd745f4" > SetLiteralToTrue< / a > (< span class = "keywordtype" > int< / span > lit);< / div >
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< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < / div >
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< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "comment" > // Same as IntersectDomainWith() but take a linear expression as input.< / span > < / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "comment" > // If this expression if of size > 1, this does nothing for now, so it will< / span > < / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "comment" > // only propagates for constant and affine expression.< / span > < / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55" > IntersectDomainWith< / a > (< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < span class = "keyword" > const< / span > LinearExpressionProto& expr, < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > & domain,< / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > < span class = "keywordtype" > bool< / span > * domain_modified = < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "comment" > // This function always return false. It is just a way to make a little bit< / span > < / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < span class = "comment" > // more sure that we abort right away when infeasibility is detected.< / span > < / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0" > 200< / a > < / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0" > NotifyThatModelIsUnsat< / a > (< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < span class = "keyword" > const< / span > std::string& < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > = < span class = "stringliteral" > " " < / span > ) {< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < span class = "comment" > // TODO(user): Report any explanation for the client in a nicer way?< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < a class = "code hl_define" href = "util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532" > SOLVER_LOG< / a > (logger_, < span class = "stringliteral" > " INFEASIBLE: ' " < / span > , < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > , < span class = "stringliteral" > " ' " < / span > );< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!is_unsat_);< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > is_unsat_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > }< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1cd25a05e3e88efc9ffe50461fb21d63" > 208< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1cd25a05e3e88efc9ffe50461fb21d63" > ModelIsUnsat< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > is_unsat_; }< / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "comment" > // Stores a description of a rule that was just applied to have a summary of< / span > < / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "comment" > // what the presolve did at the end.< / span > < / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210" > UpdateRuleStats< / a > (< span class = "keyword" > const< / span > std::string& < a class = "code hl_variable" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > , < span class = "keywordtype" > int< / span > num_times = 1);< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "comment" > // Updates the constraints < -> variables graph. This needs to be called each< / span > < / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "comment" > // time a constraint is modified.< / span > < / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab75a27c0aeda2de9c3957719b8196c36" > UpdateConstraintVariableUsage< / a > (< span class = "keywordtype" > int< / span > c);< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "comment" > // At the beginning of the presolve, we delay the costly creation of this< / span > < / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "comment" > // " graph" until we at least ran some basic presolve. This is because during< / span > < / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > < span class = "comment" > // a LNS neighbhorhood, many constraints will be reduced significantly by< / span > < / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "comment" > // this " simple" presolve.< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f" > ConstraintVariableGraphIsUpToDate< / a > () < span class = "keyword" > const< / span > ;< / div >
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< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > < / div >
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< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < span class = "comment" > // Calls UpdateConstraintVariableUsage() on all newly created constraints.< / span > < / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa" > UpdateNewConstraintsVariableUsage< / a > ();< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "comment" > // Returns true if our current constraints < -> variables graph is ok.< / span > < / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > < span class = "comment" > // This is meant to be used in DEBUG mode only.< / span > < / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a11f5290ed8216eea13b9d7383cb4c55f" > ConstraintVariableUsageIsConsistent< / a > ();< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > < / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < span class = "comment" > // Regroups fixed variables with the same value.< / span > < / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > < span class = "comment" > // TODO(user): Also regroup cte and -cte?< / span > < / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af4847724208dd09ba3fea8b53132d197" > ExploitFixedDomain< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > < / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > < span class = "comment" > // A " canonical domain" always have a MinOf() equal to zero.< / span > < / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < span class = "comment" > // If needed we introduce a new variable with such canonical domain and< / span > < / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > < span class = "comment" > // add the relation X = Y + offset.< / span > < / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < span class = "comment" > // This is useful in some corner case to avoid overflow.< / span > < / div >
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< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > < span class = "comment" > // TODO(user): When we can always get rid of affine relation, it might be good< / span > < / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > < span class = "comment" > // to do a final pass to canonicalize all domains in a model after presolve.< / span > < / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7b54dd25e40790d8161c7e7b5ba64242" > CanonicalizeVariable< / a > (< span class = "keywordtype" > int< / span > ref);< / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < span class = "comment" > // Given the relation (X * coeff % mod = rhs % mod), this creates a new< / span > < / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < span class = "comment" > // variable so that X = mod * Y + cte.< / span > < / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < span class = "comment" > // This requires mod != 0 and coeff != 0.< / span > < / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > < span class = "comment" > // Note that the new variable will have a canonical domain (i.e. min == 0).< / span > < / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "comment" > // We also do not create anything if this fixes the given variable or the< / span > < / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < span class = "comment" > // relation simplifies. Returns false if the model is infeasible.< / span > < / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0106fb380cd3f9c642575e6318e95f07" > CanonicalizeAffineVariable< / a > (< span class = "keywordtype" > int< / span > ref, int64_t < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , int64_t mod,< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > int64_t rhs);< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > < span class = "comment" > // Adds the relation (ref_x = coeff * ref_y + offset) to the repository.< / span > < / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > < span class = "comment" > // Returns false if we detect infeasability because of this.< / span > < / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > < span class = "comment" > // Once the relation is added, it doesn' t need to be enforced by a constraint< / span > < / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > < span class = "comment" > // in the model proto, since we will propagate such relation directly and add< / span > < / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > < span class = "comment" > // them to the proto at the end of the presolve.< / span > < / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > < span class = "comment" > // Note that this should always add a relation, even though it might need to< / span > < / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < span class = "comment" > // create a new representative for both ref_x and ref_y in some cases. Like if< / span > < / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > < span class = "comment" > // x = 3z and y = 5t are already added, if we add x = 2y, we have 3z = 10t and< / span > < / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > < span class = "comment" > // can only resolve this by creating a new variable r such that z = 10r and t< / span > < / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > < span class = "comment" > // = 3r.< / span > < / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > < span class = "comment" > // All involved variables will be marked to appear in the special< / span > < / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < span class = "comment" > // kAffineRelationConstraint. This will allow to identify when a variable is< / span > < / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > < span class = "comment" > // no longer needed (only appear there and is not a representative).< / span > < / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138" > StoreAffineRelation< / a > (< span class = "keywordtype" > int< / span > ref_x, < span class = "keywordtype" > int< / span > ref_y, int64_t < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > , int64_t offset,< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > < span class = "keywordtype" > bool< / span > debug_no_recursion = < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > < / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > < span class = "comment" > // Adds the fact that ref_a == ref_b using StoreAffineRelation() above.< / span > < / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < span class = "comment" > // Returns false if this makes the problem infeasible.< / span > < / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd" > StoreBooleanEqualityRelation< / a > (< span class = "keywordtype" > int< / span > ref_a, < span class = "keywordtype" > int< / span > ref_b);< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > < span class = "comment" > // Stores/Get the relation target_ref = abs(ref); The first function returns< / span > < / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > < span class = "comment" > // false if it already exist and the second false if it is not present.< / span > < / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a06f0856b91c0399720273b5da85ce280" > StoreAbsRelation< / a > (< span class = "keywordtype" > int< / span > target_ref, < span class = "keywordtype" > int< / span > ref);< / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af97bdc26758ff0f27314cafb7c2d7044" > GetAbsRelation< / a > (< span class = "keywordtype" > int< / span > target_ref, < span class = "keywordtype" > int< / span > * ref);< / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > < / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > < span class = "comment" > // Returns the representative of a literal.< / span > < / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f" > GetLiteralRepresentative< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
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< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > < / div >
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< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > < span class = "comment" > // Returns another reference with exactly the same value.< / span > < / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6387e91b098c081f059892e1346a29ed" > GetVariableRepresentative< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > < / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > < span class = "comment" > // Used for statistics.< / span > < / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#abd6f7af5d9b31061a7b03ec44488ea4c" > 291< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#abd6f7af5d9b31061a7b03ec44488ea4c" > NumAffineRelations< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > affine_relations_.< a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#acee7699cd3aad1b8ce9721e4952b36e7" > NumRelations< / a > (); }< / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#acb73a5ab7e240d5f93938262f2d8b826" > 292< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#acb73a5ab7e240d5f93938262f2d8b826" > NumEquivRelations< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > var_equiv_relations_.< a class = "code hl_function" href = "classoperations__research_1_1_affine_relation.html#acee7699cd3aad1b8ce9721e4952b36e7" > NumRelations< / a > (); }< / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "comment" > // This makes sure that the affine relation only uses one of the< / span > < / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < span class = "comment" > // representative from the var_equiv_relations.< / span > < / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > < a class = "code hl_struct" href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > AffineRelation::Relation< / a > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814" > GetAffineRelation< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "comment" > // To facilitate debugging.< / span > < / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e" > RefDebugString< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa" > AffineRelationDebugString< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
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< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < / div >
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< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > < span class = "comment" > // Makes sure the domain of ref and of its representative are in sync.< / span > < / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > < span class = "comment" > // Returns false on unsat.< / span > < / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad" > PropagateAffineRelation< / a > (< span class = "keywordtype" > int< / span > ref);< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > < / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > < span class = "comment" > // Creates the internal structure for any new variables in working_model.< / span > < / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e" > InitializeNewDomains< / a > ();< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > < / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > < span class = "comment" > // Clears the " rules" statistics.< / span > < / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a24b22e509fdbdb4cd49ccec6a88c46ab" > ClearStats< / a > ();< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > < / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > < span class = "comment" > // Inserts the given literal to encode ref == value.< / span > < / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > < span class = "comment" > // If an encoding already exists, it adds the two implications between< / span > < / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > < span class = "comment" > // the previous encoding and the new encoding.< / span > < / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > < span class = "comment" > // Important: This does not update the constraint< -> variable graph, so< / span > < / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > < span class = "comment" > // ConstraintVariableGraphIsUpToDate() will be false until< / span > < / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > < span class = "comment" > // UpdateNewConstraintsVariableUsage() is called.< / span > < / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > < span class = "comment" > // Returns false if the model become UNSAT.< / span > < / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < span class = "comment" > // TODO(user): This function is not always correct if< / span > < / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > < span class = "comment" > // !context-> DomainOf(ref).contains(value), we could make it correct but it< / span > < / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < span class = "comment" > // might be a bit expansive to do so. For now we just have a DCHECK().< / span > < / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c" > InsertVarValueEncoding< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > , < span class = "keywordtype" > int< / span > ref, int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > < span class = "comment" > // Gets the associated literal if it is already created. Otherwise< / span > < / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > < span class = "comment" > // create it, add the corresponding constraints and returns it.< / span > < / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < span class = "comment" > // Important: This does not update the constraint< -> variable graph, so< / span > < / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > < span class = "comment" > // ConstraintVariableGraphIsUpToDate() will be false until< / span > < / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > < span class = "comment" > // UpdateNewConstraintsVariableUsage() is called.< / span > < / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4f9423ff72ed20e477fff16e8887df96" > GetOrCreateVarValueEncoding< / a > (< span class = "keywordtype" > int< / span > ref, int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > < / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > < span class = "comment" > // Gets the associated literal if it is already created. Otherwise< / span > < / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > < span class = "comment" > // create it, add the corresponding constraints and returns it.< / span > < / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > < span class = "comment" > // Important: This does not update the constraint< -> variable graph, so< / span > < / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > < span class = "comment" > // ConstraintVariableGraphIsUpToDate() will be false until< / span > < / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > < span class = "comment" > // UpdateNewConstraintsVariableUsage() is called.< / span > < / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a3bb6775f0bab3c01b35622e3ce68ab1d" > GetOrCreateAffineValueEncoding< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr,< / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
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< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < / div >
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< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > < span class = "comment" > // If not already done, adds a Boolean to represent any integer variables that< / span > < / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > < span class = "comment" > // take only two values. Make sure all the relevant affine and encoding< / span > < / div >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < span class = "comment" > // relations are updated.< / span > < / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < span class = "comment" > // Note that this might create a new Boolean variable.< / span > < / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7ea7bb314db4dbe4f3b2cac16a2af20f" > CanonicalizeDomainOfSizeTwo< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > < / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > < span class = "comment" > // Returns true if a literal attached to ref == var exists.< / span > < / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > < span class = "comment" > // It assigns the corresponding to `literal` if non null.< / span > < / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9925335988ccbe70e9150a9ce71b9952" > HasVarValueEncoding< / a > (< span class = "keywordtype" > int< / span > ref, int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > , < span class = "keywordtype" > int< / span > * < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > = < span class = "keyword" > nullptr< / span > );< / div >
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< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > < / div >
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< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > < span class = "comment" > // Returns true if we have literal < => var = value for all values of var.< / span > < / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > < span class = "comment" > // TODO(user): If the domain was shrunk, we can have a false positive.< / span > < / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > < span class = "comment" > // Still it means that the number of values removed is greater than the number< / span > < / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > < span class = "comment" > // of values not encoded.< / span > < / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f" > IsFullyEncoded< / a > (< span class = "keywordtype" > int< / span > ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > < / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > < span class = "comment" > // This methods only works for affine expressions (checked).< / span > < / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > < span class = "comment" > // It returns true iff the expression is constant or its one variable is full< / span > < / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > < span class = "comment" > // encoded.< / span > < / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f" > IsFullyEncoded< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& expr) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > < / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > < span class = "comment" > // Stores the fact that literal implies var == value.< / span > < / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > < span class = "comment" > // It returns true if that information is new.< / span > < / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#afdf0f5e877efe4e1d003300f0ce1234f" > StoreLiteralImpliesVarEqValue< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > < span class = "comment" > // Stores the fact that literal implies var != value.< / span > < / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > < span class = "comment" > // It returns true if that information is new.< / span > < / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2877bce637c80df492977b5b6487d563" > StoreLiteralImpliesVarNEqValue< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > < / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > < span class = "comment" > // Objective handling functions. We load it at the beginning so that during< / span > < / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > < span class = "comment" > // presolve we can work on the more efficient hash_map representation.< / span > < / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > < span class = "comment" > // Note that ReadObjectiveFromProto() makes sure that var_to_constraints of< / span > < / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > < span class = "comment" > // all the variable that appear in the objective contains -1. This is later< / span > < / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > < span class = "comment" > // enforced by all the functions modifying the objective.< / span > < / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > < span class = "comment" > // Note(user): Because we process affine relation only on< / span > < / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > < span class = "comment" > // CanonicalizeObjective(), it is possible that when processing a< / span > < / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > < span class = "comment" > // canonicalized linear constraint, we don' t detect that a variable in affine< / span > < / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > < span class = "comment" > // relation is in the objective. For now this is fine, because when this is< / span > < / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > < span class = "comment" > // the case, we also have an affine linear constraint, so we can' t really do< / span > < / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > < span class = "comment" > // anything with that variable since it appear in at least two constraints.< / span > < / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aed2a07aad05b4ad8e05cf5fe7b239a1a" > ReadObjectiveFromProto< / a > ();< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aef45b513b4e0c641dd9e8e0fa414ab56" > AddToObjectiveOffset< / a > (int64_t < a class = "code hl_variable" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > );< / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4773e8b11aa128c3e7613264982e3a91" > CanonicalizeOneObjectiveVariable< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2ff0654486b944d24ec212846d9ea4c1" > CanonicalizeObjective< / a > (< span class = "keywordtype" > bool< / span > simplify_domain = < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a36794cf424ca2d69bc4774437a61a88e" > WriteObjectiveToProto< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a46a91d63a8cc54d2d4d7660022eb1c87" > ScaleFloatingPointObjective< / a > ();< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > < / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > < span class = "comment" > // Some function need the domain to be up to date in the proto.< / span > < / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < span class = "comment" > // This make sures our in-memory domain are writted back to the proto.< / span > < / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6dbf60b03175ebeb45b650fb76b53dbc" > WriteVariableDomainsToProto< / a > () < span class = "keyword" > const< / span > ;< / div >
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< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > < / div >
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< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > < span class = "comment" > // Checks if the given exactly_one is included in the objective, and simplify< / span > < / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > < span class = "comment" > // the objective by adding a constant value to all the exactly one terms.< / span > < / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae42cae46d8792621471dd137bf9bb3cc" > ExploitExactlyOneInObjective< / a > (absl::Span< const int> exactly_one);< / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > < / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > < span class = "comment" > // Allows to manipulate the objective coefficients.< / span > < / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aaed725b098e5d931862a74b496564e37" > RemoveVariableFromObjective< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1e65dc236d5729de4938834d779d9f6f" > AddToObjective< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > < / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < span class = "comment" > // Given a variable defined by the given inequality that also appear in the< / span > < / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > < span class = "comment" > // objective, remove it from the objective by transferring its cost to other< / span > < / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > < span class = "comment" > // variables in the equality.< / span > < / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > < span class = "comment" > // If new_vars_in_objective is not nullptr, it will be filled with " new" < / span > < / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > < span class = "comment" > // variables that where not in the objective before and are after< / span > < / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > < span class = "comment" > // substitution.< / span > < / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > < span class = "comment" > // Returns false, if the substitution cannot be done. This is the case if the< / span > < / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > < span class = "comment" > // model become UNSAT or if doing it will result in an objective that do not< / span > < / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > < span class = "comment" > // satisfy our overflow preconditions. Note that this can only happen if the< / span > < / div >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > < span class = "comment" > // substitued variable is not implied free (i.e. if its domain is smaller than< / span > < / div >
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > < span class = "comment" > // the implied domain from the equality).< / span > < / div >
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > ABSL_MUST_USE_RESULT < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4bf47c6b5724e9a3a7df78486f9bdc41" > SubstituteVariableInObjective< / a > (< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > < span class = "keywordtype" > int< / span > var_in_equality, int64_t coeff_in_equality,< / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > < span class = "keyword" > const< / span > ConstraintProto& equality,< / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > std::vector< int> * new_vars_in_objective = < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > < / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > < span class = "comment" > // Objective getters.< / span > < / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#afed8dbc0462255ec9df4c98384d6e7d7" > 426< / a > < / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > & < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#afed8dbc0462255ec9df4c98384d6e7d7" > ObjectiveDomain< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > objective_domain_; }< / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a89521813136093d6dcbff6ce1d4f45d2" > 427< / a > < / span > < span class = "keyword" > const< / span > absl::flat_hash_map< int, int64_t> & < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a89521813136093d6dcbff6ce1d4f45d2" > ObjectiveMap< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > < span class = "keywordflow" > return< / span > objective_map_;< / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > }< / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a483ddc58170919b851be240df84c77af" > 430< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a483ddc58170919b851be240df84c77af" > ObjectiveDomainIsConstraining< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > < span class = "keywordflow" > return< / span > objective_domain_is_constraining_;< / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > }< / div >
< div class = "line" > < a id = "l00433" name = "l00433" > < / a > < span class = "lineno" > 433< / span > < / div >
< div class = "line" > < a id = "l00434" name = "l00434" > < / a > < span class = "lineno" > 434< / span > < span class = "comment" > // Advanced usage. This should be called when a variable can be removed from< / span > < / div >
< div class = "line" > < a id = "l00435" name = "l00435" > < / a > < span class = "lineno" > 435< / span > < span class = "comment" > // the problem, so we don' t count it as part of an affine relation anymore.< / span > < / div >
< div class = "line" > < a id = "l00436" name = "l00436" > < / a > < span class = "lineno" > 436< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5763f8709716596a3aa728bacae05a7b" > RemoveVariableFromAffineRelation< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00437" name = "l00437" > < / a > < span class = "lineno" > 437< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aabb328e6969888226a7a69a972e22c56" > RemoveAllVariablesFromAffineRelationConstraint< / a > ();< / div >
< div class = "line" > < a id = "l00438" name = "l00438" > < / a > < span class = "lineno" > 438< / span > < / div >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > 439< / span > < span class = "comment" > // Variable < -> constraint graph.< / span > < / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > < span class = "comment" > // The vector list is sorted and contains unique elements.< / span > < / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00442" name = "l00442" > < / a > < span class = "lineno" > 442< / span > < span class = "comment" > // Important: To properly handle the objective, var_to_constraints[objective]< / span > < / div >
< div class = "line" > < a id = "l00443" name = "l00443" > < / a > < span class = "lineno" > 443< / span > < span class = "comment" > // contains kObjectiveConstraint (i.e. -1) so that if the objective appear in< / span > < / div >
< div class = "line" > < a id = "l00444" name = "l00444" > < / a > < span class = "lineno" > 444< / span > < span class = "comment" > // only one constraint, the constraint cannot be simplified.< / span > < / div >
< div class = "line" > < a id = "l00445" name = "l00445" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab0a65c5bf248d19b78506eef2f59d902" > 445< / a > < / span > < span class = "keyword" > const< / span > std::vector< std::vector< int> > & < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab0a65c5bf248d19b78506eef2f59d902" > ConstraintToVarsGraph< / a > ()< span class = "keyword" > const < / span > {< / div >
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< div class = "line" > < a id = "l00446" name = "l00446" > < / a > < span class = "lineno" > 446< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f" > ConstraintVariableGraphIsUpToDate< / a > ());< / div >
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< div class = "line" > < a id = "l00447" name = "l00447" > < / a > < span class = "lineno" > 447< / span > < span class = "keywordflow" > return< / span > constraint_to_vars_;< / div >
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< div class = "line" > < a id = "l00448" name = "l00448" > < / a > < span class = "lineno" > 448< / span > }< / div >
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< div class = "line" > < a id = "l00449" name = "l00449" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a86f29c8b6fd538e5b35bc79044ce3fc8" > 449< / a > < / span > < span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a86f29c8b6fd538e5b35bc79044ce3fc8" > ConstraintToVars< / a > (< span class = "keywordtype" > int< / span > c)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00450" name = "l00450" > < / a > < span class = "lineno" > 450< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f" > ConstraintVariableGraphIsUpToDate< / a > ());< / div >
< div class = "line" > < a id = "l00451" name = "l00451" > < / a > < span class = "lineno" > 451< / span > < span class = "keywordflow" > return< / span > constraint_to_vars_[c];< / div >
< div class = "line" > < a id = "l00452" name = "l00452" > < / a > < span class = "lineno" > 452< / span > }< / div >
< div class = "line" > < a id = "l00453" name = "l00453" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a131ebbc155a924f0bc825b1e234d5960" > 453< / a > < / span > < span class = "keyword" > const< / span > absl::flat_hash_set< int> & < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a131ebbc155a924f0bc825b1e234d5960" > VarToConstraints< / a > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00454" name = "l00454" > < / a > < span class = "lineno" > 454< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f" > ConstraintVariableGraphIsUpToDate< / a > ());< / div >
< div class = "line" > < a id = "l00455" name = "l00455" > < / a > < span class = "lineno" > 455< / span > < span class = "keywordflow" > return< / span > var_to_constraints_[< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ];< / div >
< div class = "line" > < a id = "l00456" name = "l00456" > < / a > < span class = "lineno" > 456< / span > }< / div >
< div class = "line" > < a id = "l00457" name = "l00457" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a90674fa816d7a066e251337852214e84" > 457< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a90674fa816d7a066e251337852214e84" > IntervalUsage< / a > (< span class = "keywordtype" > int< / span > c)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00458" name = "l00458" > < / a > < span class = "lineno" > 458< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f" > ConstraintVariableGraphIsUpToDate< / a > ());< / div >
< div class = "line" > < a id = "l00459" name = "l00459" > < / a > < span class = "lineno" > 459< / span > < span class = "keywordflow" > return< / span > interval_usage_[c];< / div >
< div class = "line" > < a id = "l00460" name = "l00460" > < / a > < span class = "lineno" > 460< / span > }< / div >
< div class = "line" > < a id = "l00461" name = "l00461" > < / a > < span class = "lineno" > 461< / span > < / div >
< div class = "line" > < a id = "l00462" name = "l00462" > < / a > < span class = "lineno" > 462< / span > < span class = "comment" > // Checks if a constraint contains an enforcement literal set to false,< / span > < / div >
< div class = "line" > < a id = "l00463" name = "l00463" > < / a > < span class = "lineno" > 463< / span > < span class = "comment" > // or if it has been cleared.< / span > < / div >
< div class = "line" > < a id = "l00464" name = "l00464" > < / a > < span class = "lineno" > 464< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a100a8cc947bbdb3fd264d42eeeeaa849" > ConstraintIsInactive< / a > (< span class = "keywordtype" > int< / span > ct_index) < span class = "keyword" > const< / span > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00465" name = "l00465" > < / a > < span class = "lineno" > 465< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00466" name = "l00466" > < / a > < span class = "lineno" > 466< / span > < span class = "comment" > // Checks if a constraint contains an enforcement literal not fixed, and< / span > < / div >
< div class = "line" > < a id = "l00467" name = "l00467" > < / a > < span class = "lineno" > 467< / span > < span class = "comment" > // no enforcement literals set to false.< / span > < / div >
< div class = "line" > < a id = "l00468" name = "l00468" > < / a > < span class = "lineno" > 468< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad72f81052c0b904f369ac1cee7217b83" > ConstraintIsOptional< / a > (< span class = "keywordtype" > int< / span > ct_ref) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00469" name = "l00469" > < / a > < span class = "lineno" > 469< / span > < / div >
< div class = "line" > < a id = "l00470" name = "l00470" > < / a > < span class = "lineno" > 470< / span > < span class = "comment" > // Make sure we never delete an " assumption" literal by using a special< / span > < / div >
< div class = "line" > < a id = "l00471" name = "l00471" > < / a > < span class = "lineno" > 471< / span > < span class = "comment" > // constraint for that.< / span > < / div >
< div class = "line" > < a id = "l00472" name = "l00472" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af35921d036d22c6497777d7a5964a13d" > 472< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#af35921d036d22c6497777d7a5964a13d" > RegisterVariablesUsedInAssumptions< / a > () {< / div >
< div class = "line" > < a id = "l00473" name = "l00473" > < / a > < span class = "lineno" > 473< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > ref : < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417" > working_model< / a > -> assumptions()) {< / div >
< div class = "line" > < a id = "l00474" name = "l00474" > < / a > < span class = "lineno" > 474< / span > var_to_constraints_[< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed" > PositiveRef< / a > (ref)].insert(< a class = "code hl_variable" href = "namespaceoperations__research_1_1sat.html#abe4ecb2ef8f498b18a55fbcbbf54e550" > kAssumptionsConstraint< / a > );< / div >
< div class = "line" > < a id = "l00475" name = "l00475" > < / a > < span class = "lineno" > 475< / span > }< / div >
< div class = "line" > < a id = "l00476" name = "l00476" > < / a > < span class = "lineno" > 476< / span > }< / div >
< div class = "line" > < a id = "l00477" name = "l00477" > < / a > < span class = "lineno" > 477< / span > < / div >
< div class = "line" > < a id = "l00478" name = "l00478" > < / a > < span class = "lineno" > 478< / span > < span class = "comment" > // The " expansion" phase should be done once and allow to transform complex< / span > < / div >
< div class = "line" > < a id = "l00479" name = "l00479" > < / a > < span class = "lineno" > 479< / span > < span class = "comment" > // constraints into basic ones (see cp_model_expand.h). Some presolve rules< / span > < / div >
< div class = "line" > < a id = "l00480" name = "l00480" > < / a > < span class = "lineno" > 480< / span > < span class = "comment" > // need to know if the expansion was ran before beeing applied.< / span > < / div >
< div class = "line" > < a id = "l00481" name = "l00481" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a13c8d5cf71bf7735663c489f5493d036" > 481< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a13c8d5cf71bf7735663c489f5493d036" > ModelIsExpanded< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > model_is_expanded_; }< / div >
< div class = "line" > < a id = "l00482" name = "l00482" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a268e694a54b376ada250df521eab2e07" > 482< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a268e694a54b376ada250df521eab2e07" > NotifyThatModelIsExpanded< / a > () { model_is_expanded_ = < span class = "keyword" > true< / span > ; }< / div >
< div class = "line" > < a id = "l00483" name = "l00483" > < / a > < span class = "lineno" > 483< / span > < / div >
< div class = "line" > < a id = "l00484" name = "l00484" > < / a > < span class = "lineno" > 484< / span > < span class = "comment" > // The following helper adds the following constraint:< / span > < / div >
< div class = "line" > < a id = "l00485" name = "l00485" > < / a > < span class = "lineno" > 485< / span > < span class = "comment" > // result < => (time_i < = time_j & & active_i is true & & active_j is true)< / span > < / div >
< div class = "line" > < a id = "l00486" name = "l00486" > < / a > < span class = "lineno" > 486< / span > < span class = "comment" > // and returns the (cached) literal result.< / span > < / div >
< div class = "line" > < a id = "l00487" name = "l00487" > < / a > < span class = "lineno" > 487< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00488" name = "l00488" > < / a > < span class = "lineno" > 488< / span > < span class = "comment" > // Note that this cache should just be used temporarily and then cleared< / span > < / div >
< div class = "line" > < a id = "l00489" name = "l00489" > < / a > < span class = "lineno" > 489< / span > < span class = "comment" > // with ClearPrecedenceCache() because there is no mechanism to update the< / span > < / div >
< div class = "line" > < a id = "l00490" name = "l00490" > < / a > < span class = "lineno" > 490< / span > < span class = "comment" > // cached literals when literal equivalence are detected.< / span > < / div >
< div class = "line" > < a id = "l00491" name = "l00491" > < / a > < span class = "lineno" > 491< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2b7f0524381be1a7b01b5f707b98cb9a" > GetOrCreateReifiedPrecedenceLiteral< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& time_i,< / div >
< div class = "line" > < a id = "l00492" name = "l00492" > < / a > < span class = "lineno" > 492< / span > < span class = "keyword" > const< / span > LinearExpressionProto& time_j,< / div >
< div class = "line" > < a id = "l00493" name = "l00493" > < / a > < span class = "lineno" > 493< / span > < span class = "keywordtype" > int< / span > active_i, < span class = "keywordtype" > int< / span > active_j);< / div >
< div class = "line" > < a id = "l00494" name = "l00494" > < / a > < span class = "lineno" > 494< / span > < / div >
< div class = "line" > < a id = "l00495" name = "l00495" > < / a > < span class = "lineno" > 495< / span > std::tuple< int, int64_t, int, int64_t, int64_t, int, int> < / div >
< div class = "line" > < a id = "l00496" name = "l00496" > < / a > < span class = "lineno" > 496< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a" > GetReifiedPrecedenceKey< / a > (< span class = "keyword" > const< / span > LinearExpressionProto& time_i,< / div >
< div class = "line" > < a id = "l00497" name = "l00497" > < / a > < span class = "lineno" > 497< / span > < span class = "keyword" > const< / span > LinearExpressionProto& time_j, < span class = "keywordtype" > int< / span > active_i,< / div >
< div class = "line" > < a id = "l00498" name = "l00498" > < / a > < span class = "lineno" > 498< / span > < span class = "keywordtype" > int< / span > active_j);< / div >
< div class = "line" > < a id = "l00499" name = "l00499" > < / a > < span class = "lineno" > 499< / span > < / div >
< div class = "line" > < a id = "l00500" name = "l00500" > < / a > < span class = "lineno" > 500< / span > < span class = "comment" > // Clear the precedence cache.< / span > < / div >
< div class = "line" > < a id = "l00501" name = "l00501" > < / a > < span class = "lineno" > 501< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae58b8c61c87bd4625b0a5db975652151" > ClearPrecedenceCache< / a > ();< / div >
< div class = "line" > < a id = "l00502" name = "l00502" > < / a > < span class = "lineno" > 502< / span > < / div >
< div class = "line" > < a id = "l00503" name = "l00503" > < / a > < span class = "lineno" > 503< / span > < span class = "comment" > // Logs stats to the logger.< / span > < / div >
< div class = "line" > < a id = "l00504" name = "l00504" > < / a > < span class = "lineno" > 504< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a40432f5ffa1ea8255071161d96f598d1" > LogInfo< / a > ();< / div >
< div class = "line" > < a id = "l00505" name = "l00505" > < / a > < span class = "lineno" > 505< / span > < / div >
< div class = "line" > < a id = "l00506" name = "l00506" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae6409447bd52c1eac2a2349b182abbf5" > 506< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1_solver_logger.html" > SolverLogger< / a > * < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae6409447bd52c1eac2a2349b182abbf5" > logger< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > logger_; }< / div >
< div class = "line" > < a id = "l00507" name = "l00507" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#adf692eb15f403dc98a748ac0d3e3f897" > 507< / a > < / span > < span class = "keyword" > const< / span > SatParameters& < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#adf692eb15f403dc98a748ac0d3e3f897" > params< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > params_; }< / div >
< div class = "line" > < a id = "l00508" name = "l00508" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac1bcd5d5de204f78ff2c6c5ccdd0e35a" > 508< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > * < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac1bcd5d5de204f78ff2c6c5ccdd0e35a" > time_limit< / a > () { < span class = "keywordflow" > return< / span > time_limit_; }< / div >
< div class = "line" > < a id = "l00509" name = "l00509" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6afa6731a456dda14071be84ca9f0209" > 509< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > ModelRandomGenerator< / a > * < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6afa6731a456dda14071be84ca9f0209" > random< / a > () { < span class = "keywordflow" > return< / span > random_; }< / div >
< div class = "line" > < a id = "l00510" name = "l00510" > < / a > < span class = "lineno" > 510< / span > < / div >
< div class = "line" > < a id = "l00511" name = "l00511" > < / a > < span class = "lineno" > 511< / span > < span class = "comment" > // For each variables, list the constraints that just enforce a lower bound< / span > < / div >
< div class = "line" > < a id = "l00512" name = "l00512" > < / a > < span class = "lineno" > 512< / span > < span class = "comment" > // (resp. upper bound) on that variable. If all the constraints in which a< / span > < / div >
< div class = "line" > < a id = "l00513" name = "l00513" > < / a > < span class = "lineno" > 513< / span > < span class = "comment" > // variable appear are in the same direction, then we can usually fix a< / span > < / div >
< div class = "line" > < a id = "l00514" name = "l00514" > < / a > < span class = "lineno" > 514< / span > < span class = "comment" > // variable to one of its bound (modulo its cost).< / span > < / div >
< div class = "line" > < a id = "l00515" name = "l00515" > < / a > < span class = "lineno" > 515< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00516" name = "l00516" > < / a > < span class = "lineno" > 516< / span > < span class = "comment" > // TODO(user): Keeping these extra vector of hash_set seems inefficient. Come< / span > < / div >
< div class = "line" > < a id = "l00517" name = "l00517" > < / a > < span class = "lineno" > 517< / span > < span class = "comment" > // up with a better way to detect if a variable is only constrainted in one< / span > < / div >
< div class = "line" > < a id = "l00518" name = "l00518" > < / a > < span class = "lineno" > 518< / span > < span class = "comment" > // direction.< / span > < / div >
< div class = "line" > < a id = "l00519" name = "l00519" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a47714f887512a3d7acebfcb4a348291a" > 519< / a > < / span > std::vector< absl::flat_hash_set< int> > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a47714f887512a3d7acebfcb4a348291a" > var_to_ub_only_constraints< / a > ;< / div >
< div class = "line" > < a id = "l00520" name = "l00520" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a23aa815e8a7a860998c4d35760fa087e" > 520< / a > < / span > std::vector< absl::flat_hash_set< int> > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a23aa815e8a7a860998c4d35760fa087e" > var_to_lb_only_constraints< / a > ;< / div >
< div class = "line" > < a id = "l00521" name = "l00521" > < / a > < span class = "lineno" > 521< / span > < / div >
< div class = "line" > < a id = "l00522" name = "l00522" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417" > 522< / a > < / span > CpModelProto* < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417" > working_model< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a id = "l00523" name = "l00523" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4b3b9ef9c5f214dd4427daa2646eceda" > 523< / a > < / span > CpModelProto* < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4b3b9ef9c5f214dd4427daa2646eceda" > mapping_model< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a id = "l00524" name = "l00524" > < / a > < span class = "lineno" > 524< / span > < / div >
< div class = "line" > < a id = "l00525" name = "l00525" > < / a > < span class = "lineno" > 525< / span > < span class = "comment" > // Indicate if we are allowed to remove irrelevant feasible solution from the< / span > < / div >
< div class = "line" > < a id = "l00526" name = "l00526" > < / a > < span class = "lineno" > 526< / span > < span class = "comment" > // set of feasible solution. For example, if a variable is unused, can we fix< / span > < / div >
< div class = "line" > < a id = "l00527" name = "l00527" > < / a > < span class = "lineno" > 527< / span > < span class = "comment" > // it to an arbitrary value (or its mimimum objective one)? This must be true< / span > < / div >
< div class = "line" > < a id = "l00528" name = "l00528" > < / a > < span class = "lineno" > 528< / span > < span class = "comment" > // if the client wants to enumerate all solutions or wants correct tightened< / span > < / div >
< div class = "line" > < a id = "l00529" name = "l00529" > < / a > < span class = "lineno" > 529< / span > < span class = "comment" > // bounds in the response.< / span > < / div >
< div class = "line" > < a id = "l00530" name = "l00530" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab7b13b808e3dea6fc1e4006f7134e9f9" > 530< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab7b13b808e3dea6fc1e4006f7134e9f9" > keep_all_feasible_solutions< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00531" name = "l00531" > < / a > < span class = "lineno" > 531< / span > < / div >
< div class = "line" > < a id = "l00532" name = "l00532" > < / a > < span class = "lineno" > 532< / span > < span class = "comment" > // Number of " rules" applied. This should be equal to the sum of all numbers< / span > < / div >
< div class = "line" > < a id = "l00533" name = "l00533" > < / a > < span class = "lineno" > 533< / span > < span class = "comment" > // in stats_by_rule_name. This is used to decide if we should do one more pass< / span > < / div >
< div class = "line" > < a id = "l00534" name = "l00534" > < / a > < span class = "lineno" > 534< / span > < span class = "comment" > // of the presolve or not. Note that depending on the presolve transformation,< / span > < / div >
< div class = "line" > < a id = "l00535" name = "l00535" > < / a > < span class = "lineno" > 535< / span > < span class = "comment" > // a rule can correspond to a tiny change or a big change. Because of that,< / span > < / div >
< div class = "line" > < a id = "l00536" name = "l00536" > < / a > < span class = "lineno" > 536< / span > < span class = "comment" > // this isn' t a perfect proxy for the efficacy of the presolve.< / span > < / div >
< div class = "line" > < a id = "l00537" name = "l00537" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5f9c1ea2555cc36fcd716296e54ed17a" > 537< / a > < / span > int64_t < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5f9c1ea2555cc36fcd716296e54ed17a" > num_presolve_operations< / a > = 0;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00538" name = "l00538" > < / a > < span class = "lineno" > 538< / span > < / div >
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< div class = "line" > < a id = "l00539" name = "l00539" > < / a > < span class = "lineno" > 539< / span > < span class = "comment" > // Temporary storage.< / span > < / div >
< div class = "line" > < a id = "l00540" name = "l00540" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a436752c51b5f6010033151b7bd7966da" > 540< / a > < / span > std::vector< int> < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a436752c51b5f6010033151b7bd7966da" > tmp_literals< / a > ;< / div >
< div class = "line" > < a id = "l00541" name = "l00541" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac3d1eecbbf2000282606576273ccf06c" > 541< / a > < / span > std::vector< Domain> < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac3d1eecbbf2000282606576273ccf06c" > tmp_term_domains< / a > ;< / div >
< div class = "line" > < a id = "l00542" name = "l00542" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7305c507aa07aea8104037f2e2441876" > 542< / a > < / span > std::vector< Domain> < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7305c507aa07aea8104037f2e2441876" > tmp_left_domains< / a > ;< / div >
< div class = "line" > < a id = "l00543" name = "l00543" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aeb77639debea43978becf1d990581537" > 543< / a > < / span > absl::flat_hash_set< int> < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#aeb77639debea43978becf1d990581537" > tmp_literal_set< / a > ;< / div >
< div class = "line" > < a id = "l00544" name = "l00544" > < / a > < span class = "lineno" > 544< / span > < / div >
< div class = "line" > < a id = "l00545" name = "l00545" > < / a > < span class = "lineno" > 545< / span > < span class = "comment" > // Each time a domain is modified this is set to true.< / span > < / div >
< div class = "line" > < a id = "l00546" name = "l00546" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5d2d471474e85237022276d0868114dd" > 546< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1_sparse_bitset.html" > SparseBitset< int> < / a > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5d2d471474e85237022276d0868114dd" > modified_domains< / a > ;< / div >
< div class = "line" > < a id = "l00547" name = "l00547" > < / a > < span class = "lineno" > 547< / span > < / div >
< div class = "line" > < a id = "l00548" name = "l00548" > < / a > < span class = "lineno" > 548< / span > < span class = "comment" > // Each time the constraint < -> variable graph is updated, we update this.< / span > < / div >
< div class = "line" > < a id = "l00549" name = "l00549" > < / a > < span class = "lineno" > 549< / span > < span class = "comment" > // A variable is added here iff its usage decreased and is now one or two.< / span > < / div >
< div class = "line" > < a id = "l00550" name = "l00550" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7fcea532f65d5ed0a6110ad27b3d1c4e" > 550< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1_sparse_bitset.html" > SparseBitset< int> < / a > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7fcea532f65d5ed0a6110ad27b3d1c4e" > var_with_reduced_small_degree< / a > ;< / div >
< div class = "line" > < a id = "l00551" name = "l00551" > < / a > < span class = "lineno" > 551< / span > < / div >
< div class = "line" > < a id = "l00552" name = "l00552" > < / a > < span class = "lineno" > 552< / span > < span class = "comment" > // Advanced presolve. See this class comment.< / span > < / div >
< div class = "line" > < a id = "l00553" name = "l00553" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6e086436e931cd8b341d85e6889b838d" > 553< / a > < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_domain_deductions.html" > DomainDeductions< / a > < a class = "code hl_variable" href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6e086436e931cd8b341d85e6889b838d" > deductions< / a > ;< / div >
< div class = "line" > < a id = "l00554" name = "l00554" > < / a > < span class = "lineno" > 554< / span > < / div >
< div class = "line" > < a id = "l00555" name = "l00555" > < / a > < span class = "lineno" > 555< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00556" name = "l00556" > < / a > < span class = "lineno" > 556< / span > < span class = "keywordtype" > void< / span > EraseFromVarToConstraint(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keywordtype" > int< / span > c);< / div >
< div class = "line" > < a id = "l00557" name = "l00557" > < / a > < span class = "lineno" > 557< / span > < / div >
< div class = "line" > < a id = "l00558" name = "l00558" > < / a > < span class = "lineno" > 558< / span > < span class = "comment" > // Helper to add an affine relation x = c.y + o to the given repository.< / span > < / div >
< div class = "line" > < a id = "l00559" name = "l00559" > < / a > < span class = "lineno" > 559< / span > < span class = "keywordtype" > bool< / span > AddRelation(< span class = "keywordtype" > int< / span > x, < span class = "keywordtype" > int< / span > y, int64_t c, int64_t o, < a class = "code hl_class" href = "classoperations__research_1_1_affine_relation.html" > AffineRelation< / a > * repo);< / div >
< div class = "line" > < a id = "l00560" name = "l00560" > < / a > < span class = "lineno" > 560< / span > < / div >
< div class = "line" > < a id = "l00561" name = "l00561" > < / a > < span class = "lineno" > 561< / span > < span class = "keywordtype" > void< / span > AddVariableUsage(< span class = "keywordtype" > int< / span > c);< / div >
< div class = "line" > < a id = "l00562" name = "l00562" > < / a > < span class = "lineno" > 562< / span > < span class = "keywordtype" > void< / span > UpdateLinear1Usage(< span class = "keyword" > const< / span > ConstraintProto& < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > , < span class = "keywordtype" > int< / span > c);< / div >
< div class = "line" > < a id = "l00563" name = "l00563" > < / a > < span class = "lineno" > 563< / span > < / div >
< div class = "line" > < a id = "l00564" name = "l00564" > < / a > < span class = "lineno" > 564< / span > < span class = "comment" > // Returns true iff the variable is not the representative of an equivalence< / span > < / div >
< div class = "line" > < a id = "l00565" name = "l00565" > < / a > < span class = "lineno" > 565< / span > < span class = "comment" > // class of size at least 2.< / span > < / div >
< div class = "line" > < a id = "l00566" name = "l00566" > < / a > < span class = "lineno" > 566< / span > < span class = "keywordtype" > bool< / span > VariableIsNotRepresentativeOfEquivalenceClass(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00567" name = "l00567" > < / a > < span class = "lineno" > 567< / span > < / div >
< div class = "line" > < a id = "l00568" name = "l00568" > < / a > < span class = "lineno" > 568< / span > < span class = "comment" > // Makes sure we only insert encoding about the current representative.< / span > < / div >
< div class = "line" > < a id = "l00569" name = "l00569" > < / a > < span class = "lineno" > 569< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00570" name = "l00570" > < / a > < span class = "lineno" > 570< / span > < span class = "comment" > // Returns false if ref cannot take the given value (it might not have been< / span > < / div >
< div class = "line" > < a id = "l00571" name = "l00571" > < / a > < span class = "lineno" > 571< / span > < span class = "comment" > // propagated yet).< / span > < / div >
< div class = "line" > < a id = "l00572" name = "l00572" > < / a > < span class = "lineno" > 572< / span > < span class = "keywordtype" > bool< / span > CanonicalizeEncoding(< span class = "keywordtype" > int< / span > * ref, int64_t* < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00573" name = "l00573" > < / a > < span class = "lineno" > 573< / span > < / div >
< div class = "line" > < a id = "l00574" name = "l00574" > < / a > < span class = "lineno" > 574< / span > < span class = "comment" > // Inserts an half reified var value encoding (literal => var ==/!= value).< / span > < / div >
< div class = "line" > < a id = "l00575" name = "l00575" > < / a > < span class = "lineno" > 575< / span > < span class = "comment" > // It returns true if the new state is different from the old state.< / span > < / div >
< div class = "line" > < a id = "l00576" name = "l00576" > < / a > < span class = "lineno" > 576< / span > < span class = "comment" > // Not that if imply_eq is false, the literal will be stored in its negated< / span > < / div >
< div class = "line" > < a id = "l00577" name = "l00577" > < / a > < span class = "lineno" > 577< / span > < span class = "comment" > // form.< / span > < / div >
< div class = "line" > < a id = "l00578" name = "l00578" > < / a > < span class = "lineno" > 578< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00579" name = "l00579" > < / a > < span class = "lineno" > 579< / span > < span class = "comment" > // Thus, if you detect literal < => var == value, then two calls must be made:< / span > < / div >
< div class = "line" > < a id = "l00580" name = "l00580" > < / a > < span class = "lineno" > 580< / span > < span class = "comment" > // InsertHalfVarValueEncoding(literal, var, value, true);< / span > < / div >
< div class = "line" > < a id = "l00581" name = "l00581" > < / a > < span class = "lineno" > 581< / span > < span class = "comment" > // InsertHalfVarValueEncoding(NegatedRef(literal), var, value, false);< / span > < / div >
< div class = "line" > < a id = "l00582" name = "l00582" > < / a > < span class = "lineno" > 582< / span > < span class = "keywordtype" > bool< / span > InsertHalfVarValueEncoding(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ,< / div >
< div class = "line" > < a id = "l00583" name = "l00583" > < / a > < span class = "lineno" > 583< / span > < span class = "keywordtype" > bool< / span > imply_eq);< / div >
< div class = "line" > < a id = "l00584" name = "l00584" > < / a > < span class = "lineno" > 584< / span > < / div >
< div class = "line" > < a id = "l00585" name = "l00585" > < / a > < span class = "lineno" > 585< / span > < span class = "comment" > // Insert fully reified var-value encoding.< / span > < / div >
< div class = "line" > < a id = "l00586" name = "l00586" > < / a > < span class = "lineno" > 586< / span > < span class = "keywordtype" > void< / span > InsertVarValueEncodingInternal(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ,< / div >
< div class = "line" > < a id = "l00587" name = "l00587" > < / a > < span class = "lineno" > 587< / span > < span class = "keywordtype" > bool< / span > add_constraints);< / div >
< div class = "line" > < a id = "l00588" name = "l00588" > < / a > < span class = "lineno" > 588< / span > < / div >
< div class = "line" > < a id = "l00589" name = "l00589" > < / a > < span class = "lineno" > 589< / span > < a class = "code hl_class" href = "classoperations__research_1_1_solver_logger.html" > SolverLogger< / a > * logger_;< / div >
< div class = "line" > < a id = "l00590" name = "l00590" > < / a > < span class = "lineno" > 590< / span > < span class = "keyword" > const< / span > SatParameters& params_;< / div >
< div class = "line" > < a id = "l00591" name = "l00591" > < / a > < span class = "lineno" > 591< / span > < a class = "code hl_class" href = "classoperations__research_1_1_time_limit.html" > TimeLimit< / a > * time_limit_;< / div >
< div class = "line" > < a id = "l00592" name = "l00592" > < / a > < span class = "lineno" > 592< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > ModelRandomGenerator< / a > * random_;< / div >
< div class = "line" > < a id = "l00593" name = "l00593" > < / a > < span class = "lineno" > 593< / span > < / div >
< div class = "line" > < a id = "l00594" name = "l00594" > < / a > < span class = "lineno" > 594< / span > < span class = "comment" > // Initially false, and set to true on the first inconsistency.< / span > < / div >
< div class = "line" > < a id = "l00595" name = "l00595" > < / a > < span class = "lineno" > 595< / span > < span class = "keywordtype" > bool< / span > is_unsat_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00596" name = "l00596" > < / a > < span class = "lineno" > 596< / span > < / div >
< div class = "line" > < a id = "l00597" name = "l00597" > < / a > < span class = "lineno" > 597< / span > < span class = "comment" > // The current domain of each variables.< / span > < / div >
< div class = "line" > < a id = "l00598" name = "l00598" > < / a > < span class = "lineno" > 598< / span > std::vector< Domain> domains;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00599" name = "l00599" > < / a > < span class = "lineno" > 599< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00600" name = "l00600" > < / a > < span class = "lineno" > 600< / span > < span class = "comment" > // Internal representation of the objective. During presolve, we first load< / span > < / div >
< div class = "line" > < a id = "l00601" name = "l00601" > < / a > < span class = "lineno" > 601< / span > < span class = "comment" > // the objective in this format in order to have more efficient substitution< / span > < / div >
< div class = "line" > < a id = "l00602" name = "l00602" > < / a > < span class = "lineno" > 602< / span > < span class = "comment" > // on large problems (also because the objective is often dense). At the end< / span > < / div >
< div class = "line" > < a id = "l00603" name = "l00603" > < / a > < span class = "lineno" > 603< / span > < span class = "comment" > // we re-convert it to its proto form.< / span > < / div >
< div class = "line" > < a id = "l00604" name = "l00604" > < / a > < span class = "lineno" > 604< / span > absl::flat_hash_map< int, int64_t> objective_map_;< / div >
< div class = "line" > < a id = "l00605" name = "l00605" > < / a > < span class = "lineno" > 605< / span > int64_t objective_overflow_detection_;< / div >
< div class = "line" > < a id = "l00606" name = "l00606" > < / a > < span class = "lineno" > 606< / span > std::vector< std::pair< int, int64_t> > tmp_entries_;< / div >
< div class = "line" > < a id = "l00607" name = "l00607" > < / a > < span class = "lineno" > 607< / span > < span class = "keywordtype" > bool< / span > objective_domain_is_constraining_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00608" name = "l00608" > < / a > < span class = "lineno" > 608< / span > < a class = "code hl_class" href = "classoperations__research_1_1_domain.html" > Domain< / a > objective_domain_;< / div >
< div class = "line" > < a id = "l00609" name = "l00609" > < / a > < span class = "lineno" > 609< / span > < span class = "keywordtype" > double< / span > objective_offset_;< / div >
< div class = "line" > < a id = "l00610" name = "l00610" > < / a > < span class = "lineno" > 610< / span > < span class = "keywordtype" > double< / span > objective_scaling_factor_;< / div >
< div class = "line" > < a id = "l00611" name = "l00611" > < / a > < span class = "lineno" > 611< / span > int64_t objective_integer_offset_;< / div >
< div class = "line" > < a id = "l00612" name = "l00612" > < / a > < span class = "lineno" > 612< / span > int64_t objective_integer_scaling_factor_;< / div >
< div class = "line" > < a id = "l00613" name = "l00613" > < / a > < span class = "lineno" > 613< / span > < / div >
< div class = "line" > < a id = "l00614" name = "l00614" > < / a > < span class = "lineno" > 614< / span > < span class = "comment" > // Constraints < -> Variables graph.< / span > < / div >
< div class = "line" > < a id = "l00615" name = "l00615" > < / a > < span class = "lineno" > 615< / span > std::vector< std::vector< int> > constraint_to_vars_;< / div >
< div class = "line" > < a id = "l00616" name = "l00616" > < / a > < span class = "lineno" > 616< / span > std::vector< absl::flat_hash_set< int> > var_to_constraints_;< / div >
< div class = "line" > < a id = "l00617" name = "l00617" > < / a > < span class = "lineno" > 617< / span > < / div >
< div class = "line" > < a id = "l00618" name = "l00618" > < / a > < span class = "lineno" > 618< / span > < span class = "comment" > // Number of constraints of the form [lit => ] var in domain.< / span > < / div >
< div class = "line" > < a id = "l00619" name = "l00619" > < / a > < span class = "lineno" > 619< / span > std::vector< int> constraint_to_linear1_var_;< / div >
< div class = "line" > < a id = "l00620" name = "l00620" > < / a > < span class = "lineno" > 620< / span > std::vector< int> var_to_num_linear1_;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00621" name = "l00621" > < / a > < span class = "lineno" > 621< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00622" name = "l00622" > < / a > < span class = "lineno" > 622< / span > < span class = "comment" > // We maintain how many time each interval is used.< / span > < / div >
< div class = "line" > < a id = "l00623" name = "l00623" > < / a > < span class = "lineno" > 623< / span > std::vector< std::vector< int> > constraint_to_intervals_;< / div >
< div class = "line" > < a id = "l00624" name = "l00624" > < / a > < span class = "lineno" > 624< / span > std::vector< int> interval_usage_;< / div >
< div class = "line" > < a id = "l00625" name = "l00625" > < / a > < span class = "lineno" > 625< / span > < / div >
< div class = "line" > < a id = "l00626" name = "l00626" > < / a > < span class = "lineno" > 626< / span > < span class = "comment" > // Contains abs relation (key = abs(saved_variable)).< / span > < / div >
< div class = "line" > < a id = "l00627" name = "l00627" > < / a > < span class = "lineno" > 627< / span > absl::flat_hash_map< int, SavedVariable> abs_relations_;< / div >
< div class = "line" > < a id = "l00628" name = "l00628" > < / a > < span class = "lineno" > 628< / span > < / div >
< div class = "line" > < a id = "l00629" name = "l00629" > < / a > < span class = "lineno" > 629< / span > < span class = "comment" > // For each constant variable appearing in the model, we maintain a reference< / span > < / div >
< div class = "line" > < a id = "l00630" name = "l00630" > < / a > < span class = "lineno" > 630< / span > < span class = "comment" > // variable with the same constant value. If two variables end up having the< / span > < / div >
< div class = "line" > < a id = "l00631" name = "l00631" > < / a > < span class = "lineno" > 631< / span > < span class = "comment" > // same fixed value, then we can detect it using this and add a new< / span > < / div >
< div class = "line" > < a id = "l00632" name = "l00632" > < / a > < span class = "lineno" > 632< / span > < span class = "comment" > // equivalence relation. See ExploitFixedDomain().< / span > < / div >
< div class = "line" > < a id = "l00633" name = "l00633" > < / a > < span class = "lineno" > 633< / span > absl::flat_hash_map< int64_t, SavedVariable> constant_to_ref_;< / div >
< div class = "line" > < a id = "l00634" name = "l00634" > < / a > < span class = "lineno" > 634< / span > < / div >
< div class = "line" > < a id = "l00635" name = "l00635" > < / a > < span class = "lineno" > 635< / span > < span class = "comment" > // Contains variables with some encoded value: encoding_[i][v] points< / span > < / div >
< div class = "line" > < a id = "l00636" name = "l00636" > < / a > < span class = "lineno" > 636< / span > < span class = "comment" > // to the literal attached to the value v of the variable i.< / span > < / div >
< div class = "line" > < a id = "l00637" name = "l00637" > < / a > < span class = "lineno" > 637< / span > absl::flat_hash_map< int, absl::flat_hash_map< int64_t, SavedLiteral> > < / div >
< div class = "line" > < a id = "l00638" name = "l00638" > < / a > < span class = "lineno" > 638< / span > encoding_;< / div >
< div class = "line" > < a id = "l00639" name = "l00639" > < / a > < span class = "lineno" > 639< / span > < / div >
< div class = "line" > < a id = "l00640" name = "l00640" > < / a > < span class = "lineno" > 640< / span > < span class = "comment" > // Contains the currently collected half value encodings:< / span > < / div >
< div class = "line" > < a id = "l00641" name = "l00641" > < / a > < span class = "lineno" > 641< / span > < span class = "comment" > // i.e.: literal => var ==/!= value< / span > < / div >
< div class = "line" > < a id = "l00642" name = "l00642" > < / a > < span class = "lineno" > 642< / span > < span class = "comment" > // The state is accumulated (adding x => var == value then !x => var != value)< / span > < / div >
< div class = "line" > < a id = "l00643" name = "l00643" > < / a > < span class = "lineno" > 643< / span > < span class = "comment" > // will deduce that x equivalent to var == value.< / span > < / div >
< div class = "line" > < a id = "l00644" name = "l00644" > < / a > < span class = "lineno" > 644< / span > absl::flat_hash_map< int,< / div >
< div class = "line" > < a id = "l00645" name = "l00645" > < / a > < span class = "lineno" > 645< / span > absl::flat_hash_map< int64_t, absl::flat_hash_set< int> > > < / div >
< div class = "line" > < a id = "l00646" name = "l00646" > < / a > < span class = "lineno" > 646< / span > eq_half_encoding_;< / div >
< div class = "line" > < a id = "l00647" name = "l00647" > < / a > < span class = "lineno" > 647< / span > absl::flat_hash_map< int,< / div >
< div class = "line" > < a id = "l00648" name = "l00648" > < / a > < span class = "lineno" > 648< / span > absl::flat_hash_map< int64_t, absl::flat_hash_set< int> > > < / div >
< div class = "line" > < a id = "l00649" name = "l00649" > < / a > < span class = "lineno" > 649< / span > neq_half_encoding_;< / div >
< div class = "line" > < a id = "l00650" name = "l00650" > < / a > < span class = "lineno" > 650< / span > < / div >
< div class = "line" > < a id = "l00651" name = "l00651" > < / a > < span class = "lineno" > 651< / span > < span class = "comment" > // This regroups all the affine relations between variables. Note that the< / span > < / div >
< div class = "line" > < a id = "l00652" name = "l00652" > < / a > < span class = "lineno" > 652< / span > < span class = "comment" > // constraints used to detect such relations will not be removed from the< / span > < / div >
< div class = "line" > < a id = "l00653" name = "l00653" > < / a > < span class = "lineno" > 653< / span > < span class = "comment" > // model at detection time (thus allowing proper domain propagation). However,< / span > < / div >
< div class = "line" > < a id = "l00654" name = "l00654" > < / a > < span class = "lineno" > 654< / span > < span class = "comment" > // if the arity of a variable becomes one, then such constraint will be< / span > < / div >
< div class = "line" > < a id = "l00655" name = "l00655" > < / a > < span class = "lineno" > 655< / span > < span class = "comment" > // removed.< / span > < / div >
< div class = "line" > < a id = "l00656" name = "l00656" > < / a > < span class = "lineno" > 656< / span > < a class = "code hl_class" href = "classoperations__research_1_1_affine_relation.html" > AffineRelation< / a > affine_relations_;< / div >
< div class = "line" > < a id = "l00657" name = "l00657" > < / a > < span class = "lineno" > 657< / span > < a class = "code hl_class" href = "classoperations__research_1_1_affine_relation.html" > AffineRelation< / a > var_equiv_relations_;< / div >
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< div class = "line" > < a id = "l00658" name = "l00658" > < / a > < span class = "lineno" > 658< / span > < / div >
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< div class = "line" > < a id = "l00659" name = "l00659" > < / a > < span class = "lineno" > 659< / span > std::vector< int> tmp_new_usage_;< / div >
< div class = "line" > < a id = "l00660" name = "l00660" > < / a > < span class = "lineno" > 660< / span > < / div >
< div class = "line" > < a id = "l00661" name = "l00661" > < / a > < span class = "lineno" > 661< / span > < span class = "comment" > // Used by SetVariableAsRemoved() and VariableWasRemoved().< / span > < / div >
< div class = "line" > < a id = "l00662" name = "l00662" > < / a > < span class = "lineno" > 662< / span > absl::flat_hash_set< int> removed_variables_;< / div >
< div class = "line" > < a id = "l00663" name = "l00663" > < / a > < span class = "lineno" > 663< / span > < / div >
< div class = "line" > < a id = "l00664" name = "l00664" > < / a > < span class = "lineno" > 664< / span > < span class = "comment" > // Cache for the reified precedence literals created during the expansion of< / span > < / div >
< div class = "line" > < a id = "l00665" name = "l00665" > < / a > < span class = "lineno" > 665< / span > < span class = "comment" > // the reservoir constraint. This cache is only valid during the expansion< / span > < / div >
< div class = "line" > < a id = "l00666" name = "l00666" > < / a > < span class = "lineno" > 666< / span > < span class = "comment" > // phase, and is cleared afterwards.< / span > < / div >
< div class = "line" > < a id = "l00667" name = "l00667" > < / a > < span class = "lineno" > 667< / span > absl::flat_hash_map< std::tuple< int, int64_t, int, int64_t, int64_t, int, int> ,< / div >
< div class = "line" > < a id = "l00668" name = "l00668" > < / a > < span class = "lineno" > 668< / span > < span class = "keywordtype" > int< / span > > < / div >
< div class = "line" > < a id = "l00669" name = "l00669" > < / a > < span class = "lineno" > 669< / span > reified_precedences_cache_;< / div >
< div class = "line" > < a id = "l00670" name = "l00670" > < / a > < span class = "lineno" > 670< / span > < / div >
< div class = "line" > < a id = "l00671" name = "l00671" > < / a > < span class = "lineno" > 671< / span > < span class = "comment" > // Just used to display statistics on the presolve rules that were used.< / span > < / div >
< div class = "line" > < a id = "l00672" name = "l00672" > < / a > < span class = "lineno" > 672< / span > absl::flat_hash_map< std::string, int> stats_by_rule_name_;< / div >
< div class = "line" > < a id = "l00673" name = "l00673" > < / a > < span class = "lineno" > 673< / span > < / div >
< div class = "line" > < a id = "l00674" name = "l00674" > < / a > < span class = "lineno" > 674< / span > < span class = "keywordtype" > bool< / span > model_is_expanded_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00675" name = "l00675" > < / a > < span class = "lineno" > 675< / span > };< / div >
< div class = "line" > < a id = "l00676" name = "l00676" > < / a > < span class = "lineno" > 676< / span > < / div >
< div class = "line" > < a id = "l00677" name = "l00677" > < / a > < span class = "lineno" > 677< / span > < span class = "comment" > // Utility function to load the current problem into a in-memory representation< / span > < / div >
< div class = "line" > < a id = "l00678" name = "l00678" > < / a > < span class = "lineno" > 678< / span > < span class = "comment" > // that will be used for probing. Returns false if UNSAT.< / span > < / div >
< div class = "line" > < a id = "l00679" name = "l00679" > < / a > < span class = "lineno" > 679< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#ac2ccdb02f35bbd7a53cc10a09210b200" > LoadModelForProbing< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_presolve_context.html" > PresolveContext< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6" > context< / a > , < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * local_model);< / div >
< div class = "line" > < a id = "l00680" name = "l00680" > < / a > < span class = "lineno" > 680< / span > < / div >
< div class = "line" > < a id = "l00681" name = "l00681" > < / a > < span class = "lineno" > 681< / span > } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a id = "l00682" name = "l00682" > < / a > < span class = "lineno" > 682< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00683" name = "l00683" > < / a > < span class = "lineno" > 683< / span > < / div >
< div class = "line" > < a id = "l00684" name = "l00684" > < / a > < span class = "lineno" > 684< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_SAT_PRESOLVE_CONTEXT_H_< / span > < / div >
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< div class = "ttc" id = "aaffine__relation_8h_html" > < div class = "ttname" > < a href = "affine__relation_8h.html" > affine_relation.h< / a > < / div > < / div >
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< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00890" > base/logging.h:890< / a > < / div > < / div >
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< div class = "ttc" id = "abitset_8h_html" > < div class = "ttname" > < a href = "bitset_8h.html" > bitset.h< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html" > operations_research::AffineRelation< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00036" > affine_relation.h:36< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_affine_relation_html_acee7699cd3aad1b8ce9721e4952b36e7" > < div class = "ttname" > < a href = "classoperations__research_1_1_affine_relation.html#acee7699cd3aad1b8ce9721e4952b36e7" > operations_research::AffineRelation::NumRelations< / a > < / div > < div class = "ttdeci" > int NumRelations() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00041" > affine_relation.h:41< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_domain_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_domain.html" > operations_research::Domain< / a > < / div > < div class = "ttdoc" > We call domain any subset of Int64 = [kint64min, kint64max].< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sorted__interval__list_8h_source.html#l00081" > sorted_interval_list.h:81< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_solver_logger_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_solver_logger.html" > operations_research::SolverLogger< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "util_2logging_8h_source.html#l00033" > util/logging.h:33< / a > < / div > < / div >
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< div class = "ttc" id = "aclassoperations__research_1_1_sparse_bitset_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_sparse_bitset.html" > operations_research::SparseBitset< int > < / a > < / div > < / div >
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< 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#l00106" > time_limit.h:106< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_domain_deductions_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_domain_deductions.html" > operations_research::sat::DomainDeductions< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__util_8h_source.html#l00050" > presolve_util.h:50< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model.html" > operations_research::sat::Model< / a > < / div > < div class = "ttdoc" > Class that owns everything related to a particular optimization model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2model_8h_source.html#l00042" > sat/model.h:42< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_random_generator_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model_random_generator.html" > operations_research::sat::ModelRandomGenerator< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2util_8h_source.html#l00115" > sat/util.h:115< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html" > operations_research::sat::PresolveContext< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00079" > presolve_context.h:79< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a0000c1621c1de75511d17c9d14aae0e8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8" > operations_research::sat::PresolveContext::VariableIsRemovable< / a > < / div > < div class = "ttdeci" > bool VariableIsRemovable(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00338" > presolve_context.cc:338< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a00f995618e00d575372ff823a12553a9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9" > operations_research::sat::PresolveContext::MaxOf< / a > < / div > < div class = "ttdeci" > int64_t MaxOf(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00146" > presolve_context.cc:146< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a0106fb380cd3f9c642575e6318e95f07" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0106fb380cd3f9c642575e6318e95f07" > operations_research::sat::PresolveContext::CanonicalizeAffineVariable< / a > < / div > < div class = "ttdeci" > bool CanonicalizeAffineVariable(int ref, int64_t coeff, int64_t mod, int64_t rhs)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00834" > presolve_context.cc:834< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a0481547ad6462a8cb545e2533bff1dc3" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0481547ad6462a8cb545e2533bff1dc3" > operations_research::sat::PresolveContext::ExpressionIsALiteral< / a > < / div > < div class = "ttdeci" > bool ExpressionIsALiteral(const LinearExpressionProto & expr, int *literal=nullptr) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00228" > presolve_context.cc:228< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a058746ebd0b438afbdd49eb5bd290d8f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f" > operations_research::sat::PresolveContext::IsFullyEncoded< / a > < / div > < div class = "ttdeci" > bool IsFullyEncoded(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01420" > presolve_context.cc:1420< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a06f0856b91c0399720273b5da85ce280" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a06f0856b91c0399720273b5da85ce280" > operations_research::sat::PresolveContext::StoreAbsRelation< / a > < / div > < div class = "ttdeci" > bool StoreAbsRelation(int target_ref, int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01091" > presolve_context.cc:1091< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a0967c575f9db0c79ed2e7930a0d6a091" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091" > operations_research::sat::PresolveContext::NewBoolVar< / a > < / div > < div class = "ttdeci" > int NewBoolVar()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00074" > presolve_context.cc:74< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a0d7555344bad8a6d860796d76df34c31" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a0d7555344bad8a6d860796d76df34c31" > operations_research::sat::PresolveContext::VariableWithCostIsUnique< / a > < / div > < div class = "ttdeci" > bool VariableWithCostIsUnique(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00354" > presolve_context.cc:354< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a100a8cc947bbdb3fd264d42eeeeaa849" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a100a8cc947bbdb3fd264d42eeeeaa849" > operations_research::sat::PresolveContext::ConstraintIsInactive< / a > < / div > < div class = "ttdeci" > bool ConstraintIsInactive(int ct_index) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00510" > presolve_context.cc:510< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a11f5290ed8216eea13b9d7383cb4c55f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a11f5290ed8216eea13b9d7383cb4c55f" > operations_research::sat::PresolveContext::ConstraintVariableUsageIsConsistent< / a > < / div > < div class = "ttdeci" > bool ConstraintVariableUsageIsConsistent()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00628" > presolve_context.cc:628< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a131ebbc155a924f0bc825b1e234d5960" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a131ebbc155a924f0bc825b1e234d5960" > operations_research::sat::PresolveContext::VarToConstraints< / a > < / div > < div class = "ttdeci" > const absl::flat_hash_set< int > & VarToConstraints(int var) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00453" > presolve_context.h:453< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a13c8d5cf71bf7735663c489f5493d036" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a13c8d5cf71bf7735663c489f5493d036" > operations_research::sat::PresolveContext::ModelIsExpanded< / a > < / div > < div class = "ttdeci" > bool ModelIsExpanded() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00481" > presolve_context.h:481< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a1718a4c289ba4833e88f7e6cd0207a81" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1718a4c289ba4833e88f7e6cd0207a81" > operations_research::sat::PresolveContext::PresolveContext< / a > < / div > < div class = "ttdeci" > PresolveContext(Model *model, CpModelProto *cp_model, CpModelProto *mapping)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00081" > presolve_context.h:81< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a1aadaad9b8af16ab5a208c682e2e1717" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717" > operations_research::sat::PresolveContext::AddImplication< / a > < / div > < div class = "ttdeci" > void AddImplication(int a, int b)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00088" > presolve_context.cc:88< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a1cd25a05e3e88efc9ffe50461fb21d63" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1cd25a05e3e88efc9ffe50461fb21d63" > operations_research::sat::PresolveContext::ModelIsUnsat< / a > < / div > < div class = "ttdeci" > bool ModelIsUnsat() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00208" > presolve_context.h:208< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a1e65dc236d5729de4938834d779d9f6f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a1e65dc236d5729de4938834d779d9f6f" > operations_research::sat::PresolveContext::AddToObjective< / a > < / div > < div class = "ttdeci" > void AddToObjective(int var, int64_t value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01705" > presolve_context.cc:1705< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a20097880105b02917a50dd5d97b80e55" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55" > operations_research::sat::PresolveContext::IntersectDomainWith< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool IntersectDomainWith(int ref, const Domain & domain, bool *domain_modified=nullptr)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00441" > presolve_context.cc:441< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a23aa815e8a7a860998c4d35760fa087e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a23aa815e8a7a860998c4d35760fa087e" > operations_research::sat::PresolveContext::var_to_lb_only_constraints< / a > < / div > < div class = "ttdeci" > std::vector< absl::flat_hash_set< int > > var_to_lb_only_constraints< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00520" > presolve_context.h:520< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a24b22e509fdbdb4cd49ccec6a88c46ab" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a24b22e509fdbdb4cd49ccec6a88c46ab" > operations_research::sat::PresolveContext::ClearStats< / a > < / div > < div class = "ttdeci" > void ClearStats()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00065" > presolve_context.cc:65< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a2563663eeef59c23110ae4e2a80d8c9f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f" > operations_research::sat::PresolveContext::ConstraintVariableGraphIsUpToDate< / a > < / div > < div class = "ttdeci" > bool ConstraintVariableGraphIsUpToDate() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00609" > presolve_context.cc:609< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a268e694a54b376ada250df521eab2e07" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a268e694a54b376ada250df521eab2e07" > operations_research::sat::PresolveContext::NotifyThatModelIsExpanded< / a > < / div > < div class = "ttdeci" > void NotifyThatModelIsExpanded()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00482" > presolve_context.h:482< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a2877bce637c80df492977b5b6487d563" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2877bce637c80df492977b5b6487d563" > operations_research::sat::PresolveContext::StoreLiteralImpliesVarNEqValue< / a > < / div > < div class = "ttdeci" > bool StoreLiteralImpliesVarNEqValue(int literal, int var, int64_t value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01398" > presolve_context.cc:1398< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a2b7f0524381be1a7b01b5f707b98cb9a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2b7f0524381be1a7b01b5f707b98cb9a" > operations_research::sat::PresolveContext::GetOrCreateReifiedPrecedenceLiteral< / a > < / div > < div class = "ttdeci" > int GetOrCreateReifiedPrecedenceLiteral(const LinearExpressionProto & time_i, const LinearExpressionProto & time_j, int active_i, int active_j)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01898" > presolve_context.cc:1898< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a2ff0654486b944d24ec212846d9ea4c1" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a2ff0654486b944d24ec212846d9ea4c1" > operations_research::sat::PresolveContext::CanonicalizeObjective< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool CanonicalizeObjective(bool simplify_domain=true)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01631" > presolve_context.cc:1631< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a307dddcaccf0a7efca0143d0cdf0cacd" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd" > operations_research::sat::PresolveContext::StoreBooleanEqualityRelation< / a > < / div > < div class = "ttdeci" > bool StoreBooleanEqualityRelation(int ref_a, int ref_b)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01068" > presolve_context.cc:1068< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a308f62525f1941cc6ef7f943bd2c4c18" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18" > operations_research::sat::PresolveContext::StartMin< / a > < / div > < div class = "ttdeci" > int64_t StartMin(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00286" > presolve_context.cc:286< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a33f90dcf20e1ce9197e60eb3bed25974" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a33f90dcf20e1ce9197e60eb3bed25974" > operations_research::sat::PresolveContext::DomainOfVarIsIncludedIn< / a > < / div > < div class = "ttdeci" > bool DomainOfVarIsIncludedIn(int var, const Domain & domain)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00152" > presolve_context.h:152< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a34e2cd343e0dfb06af9f67df8c4c3502" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a34e2cd343e0dfb06af9f67df8c4c3502" > operations_research::sat::PresolveContext::VariableWithCostIsUniqueAndRemovable< / a > < / div > < div class = "ttdeci" > bool VariableWithCostIsUniqueAndRemovable(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00366" > presolve_context.cc:366< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a36794cf424ca2d69bc4774437a61a88e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a36794cf424ca2d69bc4774437a61a88e" > operations_research::sat::PresolveContext::WriteObjectiveToProto< / a > < / div > < div class = "ttdeci" > void WriteObjectiveToProto() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01866" > presolve_context.cc:1866< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a36a3dfcbe2bf048497070296b91ed97d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a36a3dfcbe2bf048497070296b91ed97d" > operations_research::sat::PresolveContext::ExpressionIsSingleVariable< / a > < / div > < div class = "ttdeci" > bool ExpressionIsSingleVariable(const LinearExpressionProto & expr) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00223" > presolve_context.cc:223< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a37770bda4577c8ad121d77d99a63cb0f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f" > operations_research::sat::PresolveContext::GetLiteralRepresentative< / a > < / div > < div class = "ttdeci" > int GetLiteralRepresentative(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01125" > presolve_context.cc:1125< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a37ed950834f3f3b427a707631fd745f4" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a37ed950834f3f3b427a707631fd745f4" > operations_research::sat::PresolveContext::SetLiteralToTrue< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool SetLiteralToTrue(int lit)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00506" > presolve_context.cc:506< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a3bb6775f0bab3c01b35622e3ce68ab1d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a3bb6775f0bab3c01b35622e3ce68ab1d" > operations_research::sat::PresolveContext::GetOrCreateAffineValueEncoding< / a > < / div > < div class = "ttdeci" > int GetOrCreateAffineValueEncoding(const LinearExpressionProto & expr, int64_t value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01506" > presolve_context.cc:1506< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a40432f5ffa1ea8255071161d96f598d1" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a40432f5ffa1ea8255071161d96f598d1" > operations_research::sat::PresolveContext::LogInfo< / a > < / div > < div class = "ttdeci" > void LogInfo()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l02002" > presolve_context.cc:2002< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a436752c51b5f6010033151b7bd7966da" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a436752c51b5f6010033151b7bd7966da" > operations_research::sat::PresolveContext::tmp_literals< / a > < / div > < div class = "ttdeci" > std::vector< int > tmp_literals< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00540" > presolve_context.h:540< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a46a91d63a8cc54d2d4d7660022eb1c87" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a46a91d63a8cc54d2d4d7660022eb1c87" > operations_research::sat::PresolveContext::ScaleFloatingPointObjective< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool ScaleFloatingPointObjective()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00815" > presolve_context.cc:815< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a47714f887512a3d7acebfcb4a348291a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a47714f887512a3d7acebfcb4a348291a" > operations_research::sat::PresolveContext::var_to_ub_only_constraints< / a > < / div > < div class = "ttdeci" > std::vector< absl::flat_hash_set< int > > var_to_ub_only_constraints< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00519" > presolve_context.h:519< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a4773e8b11aa128c3e7613264982e3a91" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4773e8b11aa128c3e7613264982e3a91" > operations_research::sat::PresolveContext::CanonicalizeOneObjectiveVariable< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool CanonicalizeOneObjectiveVariable(int var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01578" > presolve_context.cc:1578< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a483ddc58170919b851be240df84c77af" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a483ddc58170919b851be240df84c77af" > operations_research::sat::PresolveContext::ObjectiveDomainIsConstraining< / a > < / div > < div class = "ttdeci" > bool ObjectiveDomainIsConstraining() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00430" > presolve_context.h:430< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a4b3b9ef9c5f214dd4427daa2646eceda" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4b3b9ef9c5f214dd4427daa2646eceda" > operations_research::sat::PresolveContext::mapping_model< / a > < / div > < div class = "ttdeci" > CpModelProto * mapping_model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00523" > presolve_context.h:523< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a4bf47c6b5724e9a3a7df78486f9bdc41" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4bf47c6b5724e9a3a7df78486f9bdc41" > operations_research::sat::PresolveContext::SubstituteVariableInObjective< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool SubstituteVariableInObjective(int var_in_equality, int64_t coeff_in_equality, const ConstraintProto & equality, std::vector< int > *new_vars_in_objective=nullptr)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01722" > presolve_context.cc:1722< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a4f9423ff72ed20e477fff16e8887df96" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a4f9423ff72ed20e477fff16e8887df96" > operations_research::sat::PresolveContext::GetOrCreateVarValueEncoding< / a > < / div > < div class = "ttdeci" > int GetOrCreateVarValueEncoding(int ref, int64_t value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01434" > presolve_context.cc:1434< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a52bccf051bec19d96584096844070eaa" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa" > operations_research::sat::PresolveContext::UpdateNewConstraintsVariableUsage< / a > < / div > < div class = "ttdeci" > void UpdateNewConstraintsVariableUsage()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00613" > presolve_context.cc:613< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a54cf7f0077717d59a828b656b60c1615" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a54cf7f0077717d59a828b656b60c1615" > operations_research::sat::PresolveContext::VariableIsUniqueAndRemovable< / a > < / div > < div class = "ttdeci" > bool VariableIsUniqueAndRemovable(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00348" > presolve_context.cc:348< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5763f8709716596a3aa728bacae05a7b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5763f8709716596a3aa728bacae05a7b" > operations_research::sat::PresolveContext::RemoveVariableFromAffineRelation< / a > < / div > < div class = "ttdeci" > void RemoveVariableFromAffineRelation(int var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00774" > presolve_context.cc:774< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5aa53538ba8adaa0bea1c3c0727425b0" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0" > operations_research::sat::PresolveContext::NotifyThatModelIsUnsat< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool NotifyThatModelIsUnsat(const std::string & message=" " )< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00200" > presolve_context.h:200< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5c2f01871b9baa2bc0dc556803c5a1ad" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad" > operations_research::sat::PresolveContext::PropagateAffineRelation< / a > < / div > < div class = "ttdeci" > bool PropagateAffineRelation(int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00743" > presolve_context.cc:743< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5cc6a3ed49ec11734164c7ef646b15d5" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5cc6a3ed49ec11734164c7ef646b15d5" > operations_research::sat::PresolveContext::EndMin< / a > < / div > < div class = "ttdeci" > int64_t EndMin(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00298" > presolve_context.cc:298< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5d2d471474e85237022276d0868114dd" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5d2d471474e85237022276d0868114dd" > operations_research::sat::PresolveContext::modified_domains< / a > < / div > < div class = "ttdeci" > SparseBitset< int > modified_domains< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00546" > presolve_context.h:546< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5e86fd5ce0fc653d355ab7303f373e00" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00" > operations_research::sat::PresolveContext::DomainOf< / a > < / div > < div class = "ttdeci" > Domain DomainOf(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00414" > presolve_context.cc:414< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a5f9c1ea2555cc36fcd716296e54ed17a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a5f9c1ea2555cc36fcd716296e54ed17a" > operations_research::sat::PresolveContext::num_presolve_operations< / a > < / div > < div class = "ttdeci" > int64_t num_presolve_operations< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00537" > presolve_context.h:537< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a62cd771660767621e917b2c256182c4e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e" > operations_research::sat::PresolveContext::InitializeNewDomains< / a > < / div > < div class = "ttdeci" > void InitializeNewDomains()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01188" > presolve_context.cc:1188< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a6387e91b098c081f059892e1346a29ed" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6387e91b098c081f059892e1346a29ed" > operations_research::sat::PresolveContext::GetVariableRepresentative< / a > < / div > < div class = "ttdeci" > int GetVariableRepresentative(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01154" > presolve_context.cc:1154< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a66810fcd97b5e9c5fd745226607cd7aa" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa" > operations_research::sat::PresolveContext::AffineRelationDebugString< / a > < / div > < div class = "ttdeci" > std::string AffineRelationDebugString(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01181" > presolve_context.cc:1181< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a67699a1a5830ef51dab6941449b02044" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044" > operations_research::sat::PresolveContext::NewIntVar< / a > < / div > < div class = "ttdeci" > int NewIntVar(const Domain & domain)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00067" > presolve_context.cc:67< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a6939dc7b9db01cf3deff10405e260461" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6939dc7b9db01cf3deff10405e260461" > operations_research::sat::PresolveContext::MarkVariableAsRemoved< / a > < / div > < div class = "ttdeci" > void MarkVariableAsRemoved(int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00380" > presolve_context.cc:380< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a69fea604a632b4b91ed950a0e622489c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c" > operations_research::sat::PresolveContext::InsertVarValueEncoding< / a > < / div > < div class = "ttdeci" > bool InsertVarValueEncoding(int literal, int ref, int64_t value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01381" > presolve_context.cc:1381< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a6afa6731a456dda14071be84ca9f0209" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6afa6731a456dda14071be84ca9f0209" > operations_research::sat::PresolveContext::random< / a > < / div > < div class = "ttdeci" > ModelRandomGenerator * random()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00509" > presolve_context.h:509< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a6dbf60b03175ebeb45b650fb76b53dbc" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6dbf60b03175ebeb45b650fb76b53dbc" > operations_research::sat::PresolveContext::WriteVariableDomainsToProto< / a > < / div > < div class = "ttdeci" > void WriteVariableDomainsToProto() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01892" > presolve_context.cc:1892< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a6e086436e931cd8b341d85e6889b838d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a6e086436e931cd8b341d85e6889b838d" > operations_research::sat::PresolveContext::deductions< / a > < / div > < div class = "ttdeci" > DomainDeductions deductions< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00553" > presolve_context.h:553< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a7305c507aa07aea8104037f2e2441876" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7305c507aa07aea8104037f2e2441876" > operations_research::sat::PresolveContext::tmp_left_domains< / a > < / div > < div class = "ttdeci" > std::vector< Domain > tmp_left_domains< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00542" > presolve_context.h:542< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a77e37831a01ff737a7b5bd7e12c2ecf7" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7" > operations_research::sat::PresolveContext::DomainIsEmpty< / a > < / div > < div class = "ttdeci" > bool DomainIsEmpty(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00107" > presolve_context.cc:107< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a7b54dd25e40790d8161c7e7b5ba64242" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7b54dd25e40790d8161c7e7b5ba64242" > operations_research::sat::PresolveContext::CanonicalizeVariable< / a > < / div > < div class = "ttdeci" > void CanonicalizeVariable(int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00804" > presolve_context.cc:804< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a7ea7bb314db4dbe4f3b2cac16a2af20f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7ea7bb314db4dbe4f3b2cac16a2af20f" > operations_research::sat::PresolveContext::CanonicalizeDomainOfSizeTwo< / a > < / div > < div class = "ttdeci" > void CanonicalizeDomainOfSizeTwo(int var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01205" > presolve_context.cc:1205< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a7fcea532f65d5ed0a6110ad27b3d1c4e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a7fcea532f65d5ed0a6110ad27b3d1c4e" > operations_research::sat::PresolveContext::var_with_reduced_small_degree< / a > < / div > < div class = "ttdeci" > SparseBitset< int > var_with_reduced_small_degree< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00550" > presolve_context.h:550< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a83cb3816d487395542f17a17776b9a1a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a83cb3816d487395542f17a17776b9a1a" > operations_research::sat::PresolveContext::StartMax< / a > < / div > < div class = "ttdeci" > int64_t StartMax(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00292" > presolve_context.cc:292< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a86f29c8b6fd538e5b35bc79044ce3fc8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a86f29c8b6fd538e5b35bc79044ce3fc8" > operations_research::sat::PresolveContext::ConstraintToVars< / a > < / div > < div class = "ttdeci" > const std::vector< int > & ConstraintToVars(int c) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00449" > presolve_context.h:449< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a8851194fe8ce04aab258d31f06c472e2" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2" > operations_research::sat::PresolveContext::FixedValue< / a > < / div > < div class = "ttdeci" > int64_t FixedValue(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00152" > presolve_context.cc:152< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a890f923209473cf55ac002d1b14bd9e2" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2" > operations_research::sat::PresolveContext::LiteralIsTrue< / a > < / div > < div class = "ttdeci" > bool LiteralIsTrue(int lit) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00122" > presolve_context.cc:122< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a89521813136093d6dcbff6ce1d4f45d2" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a89521813136093d6dcbff6ce1d4f45d2" > operations_research::sat::PresolveContext::ObjectiveMap< / a > < / div > < div class = "ttdeci" > const absl::flat_hash_map< int, int64_t > & ObjectiveMap() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00427" > presolve_context.h:427< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a8d58acb908ccc68472fe1a162957086a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a" > operations_research::sat::PresolveContext::GetReifiedPrecedenceKey< / a > < / div > < div class = "ttdeci" > std::tuple< int, int64_t, int, int64_t, int64_t, int, int > GetReifiedPrecedenceKey(const LinearExpressionProto & time_i, const LinearExpressionProto & time_j, int active_i, int active_j)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01979" > presolve_context.cc:1979< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a90674fa816d7a066e251337852214e84" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a90674fa816d7a066e251337852214e84" > operations_research::sat::PresolveContext::IntervalUsage< / a > < / div > < div class = "ttdeci" > int IntervalUsage(int c) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00457" > presolve_context.h:457< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a928c29f37c6ed9d5bba711f905783417" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417" > operations_research::sat::PresolveContext::working_model< / a > < / div > < div class = "ttdeci" > CpModelProto * working_model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00522" > presolve_context.h:522< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a9925335988ccbe70e9150a9ce71b9952" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9925335988ccbe70e9150a9ce71b9952" > operations_research::sat::PresolveContext::HasVarValueEncoding< / a > < / div > < div class = "ttdeci" > bool HasVarValueEncoding(int ref, int64_t value, int *literal=nullptr)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01405" > presolve_context.cc:1405< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a9da1edd6532c2c2b0c09544eade57805" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9da1edd6532c2c2b0c09544eade57805" > operations_research::sat::PresolveContext::IntervalIsConstant< / a > < / div > < div class = "ttdeci" > bool IntervalIsConstant(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00251" > presolve_context.cc:251< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a9dd01897679ba54fca524a3b0b7d5612" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612" > operations_research::sat::PresolveContext::DomainContains< / a > < / div > < div class = "ttdeci" > bool DomainContains(int ref, int64_t value) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00424" > presolve_context.cc:424< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_a9f3443b281c705edf1779f746637ad9b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b" > operations_research::sat::PresolveContext::LiteralIsFalse< / a > < / div > < div class = "ttdeci" > bool LiteralIsFalse(int lit) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00131" > presolve_context.cc:131< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aa49a8967edab300018eeaa14a27b7210" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210" > operations_research::sat::PresolveContext::UpdateRuleStats< / a > < / div > < div class = "ttdeci" > void UpdateRuleStats(const std::string & name, int num_times=1)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00532" > presolve_context.cc:532< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aabb328e6969888226a7a69a972e22c56" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aabb328e6969888226a7a69a972e22c56" > operations_research::sat::PresolveContext::RemoveAllVariablesFromAffineRelationConstraint< / a > < / div > < div class = "ttdeci" > void RemoveAllVariablesFromAffineRelationConstraint()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00765" > presolve_context.cc:765< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aaddc5f58e8a40a5a308531949153f814" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814" > operations_research::sat::PresolveContext::GetAffineRelation< / a > < / div > < div class = "ttdeci" > AffineRelation::Relation GetAffineRelation(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01164" > presolve_context.cc:1164< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aaed725b098e5d931862a74b496564e37" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aaed725b098e5d931862a74b496564e37" > operations_research::sat::PresolveContext::RemoveVariableFromObjective< / a > < / div > < div class = "ttdeci" > void RemoveVariableFromObjective(int var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01700" > presolve_context.cc:1700< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ab0a65c5bf248d19b78506eef2f59d902" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab0a65c5bf248d19b78506eef2f59d902" > operations_research::sat::PresolveContext::ConstraintToVarsGraph< / a > < / div > < div class = "ttdeci" > const std::vector< std::vector< int > > & ConstraintToVarsGraph() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00445" > presolve_context.h:445< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ab246112417bad87cb948820e304208ab" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab246112417bad87cb948820e304208ab" > operations_research::sat::PresolveContext::VariableIsNotUsedAnymore< / a > < / div > < div class = "ttdeci" > bool VariableIsNotUsedAnymore(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00375" > presolve_context.cc:375< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ab75a27c0aeda2de9c3957719b8196c36" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab75a27c0aeda2de9c3957719b8196c36" > operations_research::sat::PresolveContext::UpdateConstraintVariableUsage< / a > < / div > < div class = "ttdeci" > void UpdateConstraintVariableUsage(int c)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00573" > presolve_context.cc:573< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ab7b13b808e3dea6fc1e4006f7134e9f9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ab7b13b808e3dea6fc1e4006f7134e9f9" > operations_research::sat::PresolveContext::keep_all_feasible_solutions< / a > < / div > < div class = "ttdeci" > bool keep_all_feasible_solutions< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00530" > presolve_context.h:530< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_abb6eb29f56c3a33b8ae1b74b08b755c2" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2" > operations_research::sat::PresolveContext::IsFixed< / a > < / div > < div class = "ttdeci" > bool IsFixed(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00111" > presolve_context.cc:111< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_abd6f7af5d9b31061a7b03ec44488ea4c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#abd6f7af5d9b31061a7b03ec44488ea4c" > operations_research::sat::PresolveContext::NumAffineRelations< / a > < / div > < div class = "ttdeci" > int NumAffineRelations() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00291" > presolve_context.h:291< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ac1bcd5d5de204f78ff2c6c5ccdd0e35a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac1bcd5d5de204f78ff2c6c5ccdd0e35a" > operations_research::sat::PresolveContext::time_limit< / a > < / div > < div class = "ttdeci" > TimeLimit * time_limit()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00508" > presolve_context.h:508< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ac3d1eecbbf2000282606576273ccf06c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac3d1eecbbf2000282606576273ccf06c" > operations_research::sat::PresolveContext::tmp_term_domains< / a > < / div > < div class = "ttdeci" > std::vector< Domain > tmp_term_domains< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00541" > presolve_context.h:541< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ac43d47cf9df6d6e9c8e8ffb7fc01c138" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138" > operations_research::sat::PresolveContext::StoreAffineRelation< / a > < / div > < div class = "ttdeci" > bool StoreAffineRelation(int ref_x, int ref_y, int64_t coeff, int64_t offset, bool debug_no_recursion=false)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00894" > presolve_context.cc:894< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_acb5ca2d891a58b6b9e55eee532c2557c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#acb5ca2d891a58b6b9e55eee532c2557c" > operations_research::sat::PresolveContext::IntervalDebugString< / a > < / div > < div class = "ttdeci" > std::string IntervalDebugString(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00260" > presolve_context.cc:260< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_acb73a5ab7e240d5f93938262f2d8b826" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#acb73a5ab7e240d5f93938262f2d8b826" > operations_research::sat::PresolveContext::NumEquivRelations< / a > < / div > < div class = "ttdeci" > int NumEquivRelations() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00292" > presolve_context.h:292< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ad0d1a630c07ba2321cf43d97a425bc30" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30" > operations_research::sat::PresolveContext::SetLiteralToFalse< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool SetLiteralToFalse(int lit)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00500" > presolve_context.cc:500< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ad1cddf8749d0ce1686f1f428926cfb1d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad1cddf8749d0ce1686f1f428926cfb1d" > operations_research::sat::PresolveContext::LiteralForExpressionMax< / a > < / div > < div class = "ttdeci" > int LiteralForExpressionMax(const LinearExpressionProto & expr) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00217" > presolve_context.cc:217< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ad5e9882b154b8a7e8619b29c5631386e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e" > operations_research::sat::PresolveContext::RefDebugString< / a > < / div > < div class = "ttdeci" > std::string RefDebugString(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01176" > presolve_context.cc:1176< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ad6ab55f6b68272caeaf24ff0d69818a4" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4" > operations_research::sat::PresolveContext::EndMax< / a > < / div > < div class = "ttdeci" > int64_t EndMax(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00304" > presolve_context.cc:304< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ad72f81052c0b904f369ac1cee7217b83" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ad72f81052c0b904f369ac1cee7217b83" > operations_research::sat::PresolveContext::ConstraintIsOptional< / a > < / div > < div class = "ttdeci" > bool ConstraintIsOptional(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00522" > presolve_context.cc:522< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ada5d036ab04018d9ee3ed60888843102" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102" > operations_research::sat::PresolveContext::GetOrCreateConstantVar< / a > < / div > < div class = "ttdeci" > int GetOrCreateConstantVar(int64_t cst)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00076" > presolve_context.cc:76< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_adf692eb15f403dc98a748ac0d3e3f897" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#adf692eb15f403dc98a748ac0d3e3f897" > operations_research::sat::PresolveContext::params< / a > < / div > < div class = "ttdeci" > const SatParameters & params() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00507" > presolve_context.h:507< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_adff3b5f900c3d62132781fc25b54fb1a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#adff3b5f900c3d62132781fc25b54fb1a" > operations_research::sat::PresolveContext::ExpressionIsAffineBoolean< / a > < / div > < div class = "ttdeci" > bool ExpressionIsAffineBoolean(const LinearExpressionProto & expr) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00211" > presolve_context.cc:211< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ae3ad719e8a03c11498d2d0ab18558f95" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95" > operations_research::sat::PresolveContext::SizeMax< / a > < / div > < div class = "ttdeci" > int64_t SizeMax(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00316" > presolve_context.cc:316< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ae42cae46d8792621471dd137bf9bb3cc" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae42cae46d8792621471dd137bf9bb3cc" > operations_research::sat::PresolveContext::ExploitExactlyOneInObjective< / a > < / div > < div class = "ttdeci" > bool ExploitExactlyOneInObjective(absl::Span< const int > exactly_one)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01816" > presolve_context.cc:1816< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ae58b8c61c87bd4625b0a5db975652151" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae58b8c61c87bd4625b0a5db975652151" > operations_research::sat::PresolveContext::ClearPrecedenceCache< / a > < / div > < div class = "ttdeci" > void ClearPrecedenceCache()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01998" > presolve_context.cc:1998< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ae6409447bd52c1eac2a2349b182abbf5" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae6409447bd52c1eac2a2349b182abbf5" > operations_research::sat::PresolveContext::logger< / a > < / div > < div class = "ttdeci" > SolverLogger * logger() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00506" > presolve_context.h:506< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_ae7450e5b3b9b22663ec7e1fe0d82b6b9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#ae7450e5b3b9b22663ec7e1fe0d82b6b9" > operations_research::sat::PresolveContext::DomainSuperSetOf< / a > < / div > < div class = "ttdeci" > Domain DomainSuperSetOf(const LinearExpressionProto & expr) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00201" > presolve_context.cc:201< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aeb77639debea43978becf1d990581537" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aeb77639debea43978becf1d990581537" > operations_research::sat::PresolveContext::tmp_literal_set< / a > < / div > < div class = "ttdeci" > absl::flat_hash_set< int > tmp_literal_set< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00543" > presolve_context.h:543< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aed2a07aad05b4ad8e05cf5fe7b239a1a" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aed2a07aad05b4ad8e05cf5fe7b239a1a" > operations_research::sat::PresolveContext::ReadObjectiveFromProto< / a > < / div > < div class = "ttdeci" > void ReadObjectiveFromProto()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01525" > presolve_context.cc:1525< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aef0a687ec05a3e5dd7aa78745e9fb382" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382" > operations_research::sat::PresolveContext::SizeMin< / a > < / div > < div class = "ttdeci" > int64_t SizeMin(int ct_ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00310" > presolve_context.cc:310< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_aef45b513b4e0c641dd9e8e0fa414ab56" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#aef45b513b4e0c641dd9e8e0fa414ab56" > operations_research::sat::PresolveContext::AddToObjectiveOffset< / a > < / div > < div class = "ttdeci" > void AddToObjectiveOffset(int64_t delta)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01715" > presolve_context.cc:1715< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af0280b2bda95804c4166638e7b490ce9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9" > operations_research::sat::PresolveContext::AddImplyInDomain< / a > < / div > < div class = "ttdeci" > void AddImplyInDomain(int b, int x, const Domain & domain)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00095" > presolve_context.cc:95< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af188bac2776d4545aab9405f5c801cd8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8" > operations_research::sat::PresolveContext::CanBeUsedAsLiteral< / a > < / div > < div class = "ttdeci" > bool CanBeUsedAsLiteral(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00117" > presolve_context.cc:117< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af248c1021eda72d628e2f3537eb98ded" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded" > operations_research::sat::PresolveContext::VariableWasRemoved< / a > < / div > < div class = "ttdeci" > bool VariableWasRemoved(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00387" > presolve_context.cc:387< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af35921d036d22c6497777d7a5964a13d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af35921d036d22c6497777d7a5964a13d" > operations_research::sat::PresolveContext::RegisterVariablesUsedInAssumptions< / a > < / div > < div class = "ttdeci" > void RegisterVariablesUsedInAssumptions()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00472" > presolve_context.h:472< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af4847724208dd09ba3fea8b53132d197" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af4847724208dd09ba3fea8b53132d197" > operations_research::sat::PresolveContext::ExploitFixedDomain< / a > < / div > < div class = "ttdeci" > void ExploitFixedDomain(int var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00721" > presolve_context.cc:721< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af597da31a1aed22d4bbd0e9398728a9b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b" > operations_research::sat::PresolveContext::MinOf< / a > < / div > < div class = "ttdeci" > int64_t MinOf(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00140" > presolve_context.cc:140< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af7e074480c08f4887da40ca045624b6c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af7e074480c08f4887da40ca045624b6c" > operations_research::sat::PresolveContext::VariableIsOnlyUsedInEncodingAndMaybeInObjective< / a > < / div > < div class = "ttdeci" > bool VariableIsOnlyUsedInEncodingAndMaybeInObjective(int ref) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00405" > presolve_context.cc:405< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_af97bdc26758ff0f27314cafb7c2d7044" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#af97bdc26758ff0f27314cafb7c2d7044" > operations_research::sat::PresolveContext::GetAbsRelation< / a > < / div > < div class = "ttdeci" > bool GetAbsRelation(int target_ref, int *ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01106" > presolve_context.cc:1106< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_afdf0f5e877efe4e1d003300f0ce1234f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#afdf0f5e877efe4e1d003300f0ce1234f" > operations_research::sat::PresolveContext::StoreLiteralImpliesVarEqValue< / a > < / div > < div class = "ttdeci" > bool StoreLiteralImpliesVarEqValue(int literal, int var, int64_t value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l01391" > presolve_context.cc:1391< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_presolve_context_html_afed8dbc0462255ec9df4c98384d6e7d7" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_presolve_context.html#afed8dbc0462255ec9df4c98384d6e7d7" > operations_research::sat::PresolveContext::ObjectiveDomain< / a > < / div > < div class = "ttdeci" > const Domain & ObjectiveDomain() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00426" > presolve_context.h:426< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_literal_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_literal.html" > operations_research::sat::SavedLiteral< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00056" > presolve_context.h:56< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_literal_html_a24f5a711e542ac97673337e549a74e7c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_literal.html#a24f5a711e542ac97673337e549a74e7c" > operations_research::sat::SavedLiteral::SavedLiteral< / a > < / div > < div class = "ttdeci" > SavedLiteral()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00058" > presolve_context.h:58< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_literal_html_ad134f35430fd7787cea20a3714c123e0" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_literal.html#ad134f35430fd7787cea20a3714c123e0" > operations_research::sat::SavedLiteral::SavedLiteral< / a > < / div > < div class = "ttdeci" > SavedLiteral(int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00059" > presolve_context.h:59< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_literal_html_adf2db0610413d540ca6c4e4f1cce5fd6" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_literal.html#adf2db0610413d540ca6c4e4f1cce5fd6" > operations_research::sat::SavedLiteral::Get< / a > < / div > < div class = "ttdeci" > int Get(PresolveContext *context) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00057" > presolve_context.cc:57< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_variable_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_variable.html" > operations_research::sat::SavedVariable< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00067" > presolve_context.h:67< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_variable_html_abbc9b5ccc44af7db8e8a5703dce41b7d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_variable.html#abbc9b5ccc44af7db8e8a5703dce41b7d" > operations_research::sat::SavedVariable::SavedVariable< / a > < / div > < div class = "ttdeci" > SavedVariable(int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00070" > presolve_context.h:70< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_variable_html_adf2db0610413d540ca6c4e4f1cce5fd6" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_variable.html#adf2db0610413d540ca6c4e4f1cce5fd6" > operations_research::sat::SavedVariable::Get< / a > < / div > < div class = "ttdeci" > int Get(PresolveContext *context) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l00061" > presolve_context.cc:61< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_saved_variable_html_aea29b5bb569ea104749893b9f321697c" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_saved_variable.html#aea29b5bb569ea104749893b9f321697c" > operations_research::sat::SavedVariable::SavedVariable< / a > < / div > < div class = "ttdeci" > SavedVariable()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00069" > presolve_context.h:69< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > < / div > < div class = "ttdeci" > int64_t b< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00047" > constraint_solver/table.cc:47< / a > < / div > < / div >
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > < / div > < div class = "ttdeci" > int64_t a< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00046" > constraint_solver/table.cc:46< / a > < / div > < / div >
< div class = "ttc" id = "acp__model__utils_8h_html" > < div class = "ttname" > < a href = "cp__model__utils_8h.html" > cp_model_utils.h< / a > < / div > < / div >
< div class = "ttc" id = "adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267" > < div class = "ttname" > < a href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > < / div > < div class = "ttdeci" > const std::string name< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "default__search_8cc_source.html#l00813" > default_search.cc:813< / 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#l00274" > gurobi_interface.cc:274< / a > < / div > < / div >
< div class = "ttc" id = "agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6" > < div class = "ttname" > < a href = "gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6" > context< / a > < / div > < div class = "ttdeci" > GurobiMPCallbackContext * context< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gurobi__interface_8cc_source.html#l00514" > gurobi_interface.cc:514< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a55963ffe87280b37dce97b9a8cbd03ae" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae" > operations_research::sat::kAffineRelationConstraint< / a > < / div > < div class = "ttdeci" > constexpr int kAffineRelationConstraint< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00047" > presolve_context.h:47< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_abe4ecb2ef8f498b18a55fbcbbf54e550" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#abe4ecb2ef8f498b18a55fbcbbf54e550" > operations_research::sat::kAssumptionsConstraint< / a > < / div > < div class = "ttdeci" > constexpr int kAssumptionsConstraint< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00048" > presolve_context.h:48< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ac2ccdb02f35bbd7a53cc10a09210b200" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ac2ccdb02f35bbd7a53cc10a09210b200" > operations_research::sat::LoadModelForProbing< / a > < / div > < div class = "ttdeci" > bool LoadModelForProbing(PresolveContext *context, Model *local_model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8cc_source.html#l02019" > presolve_context.cc:2019< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aca25bc3ffa54b3f2668c6eeddffd8d1d" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d" > operations_research::sat::kObjectiveConstraint< / a > < / div > < div class = "ttdeci" > constexpr int kObjectiveConstraint< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "presolve__context_8h_source.html#l00046" > presolve_context.h:46< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_acdbc8ad33149d45a6e6fcd8b72fd68ed" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed" > operations_research::sat::PositiveRef< / a > < / div > < div class = "ttdeci" > int PositiveRef(int ref)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__utils_8h_source.html#l00035" > cp_model_utils.h:35< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_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 >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b" > < div class = "ttname" > < a href = "optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b" > literal< / a > < / div > < div class = "ttdeci" > Literal literal< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "optimization_8cc_source.html#l00089" > optimization.cc:89< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "apresolve__util_8h_html" > < div class = "ttname" > < a href = "presolve__util_8h.html" > presolve_util.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aresource_8cc_html_af12056bc2a8e3ec563f0940d87abbd2e" > < div class = "ttname" > < a href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > < / div > < div class = "ttdeci" > int64_t delta< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "resource_8cc_source.html#l01694" > resource.cc:1694< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "asat_2model_8h_html" > < div class = "ttname" > < a href = "sat_2model_8h.html" > model.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 >
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< div class = "ttc" id = "astructoperations__research_1_1_affine_relation_1_1_relation_html" > < div class = "ttname" > < a href = "structoperations__research_1_1_affine_relation_1_1_relation.html" > operations_research::AffineRelation::Relation< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "affine__relation_8h_source.html#l00076" > affine_relation.h:76< / a > < / div > < / div >
< div class = "ttc" id = "atime__limit_8h_html" > < div class = "ttname" > < a href = "time__limit_8h.html" > time_limit.h< / a > < / div > < / div >
< div class = "ttc" id = "atrace_8cc_html_a36bd74109f547f7f8198faf5a12d2879" > < div class = "ttname" > < a href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > < / div > < div class = "ttdeci" > std::string message< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "trace_8cc_source.html#l00398" > trace.cc:398< / a > < / div > < / div >
< div class = "ttc" id = "autil_2logging_8h_html" > < div class = "ttname" > < a href = "util_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "autil_2logging_8h_html_a5f67b653dd99ddbe5e3367e3b4b7b532" > < div class = "ttname" > < a href = "util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532" > SOLVER_LOG< / a > < / div > < div class = "ttdeci" > #define SOLVER_LOG(logger,...)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "util_2logging_8h_source.html#l00069" > util/logging.h:69< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "avariable__and__expressions_8cc_html_a2091cd7d80fdd31762020bce86138587" > < div class = "ttname" > < a href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > < / div > < div class = "ttdeci" > const double coeff< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__and__expressions_8cc_source.html#l00105" > variable_and_expressions.cc:105< / a > < / div > < / div >
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