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< a href = "encoding_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2010-2018 Google LLC< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a 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 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 name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a 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 name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a 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 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 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 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 name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "comment" > // Algorithms to encode constraints into their SAT representation. Currently,< / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "comment" > // this contains one possible encoding of a cardinality constraint as used by< / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "comment" > // the core-based optimization algorithm in optimization.h.< / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #ifndef OR_TOOLS_SAT_ENCODING_H_< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #define OR_TOOLS_SAT_ENCODING_H_< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include < deque> < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "int__type_8h.html" > ortools/base/int_type.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "integral__types_8h.html" > ortools/base/integral_types.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "macros_8h.html" > ortools/base/macros.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "boolean__problem_8pb_8h.html" > ortools/sat/boolean_problem.pb.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "pb__constraint_8h.html" > ortools/sat/pb_constraint.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "sat__base_8h.html" > ortools/sat/sat_base.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "sat__solver_8h.html" > ortools/sat/sat_solver.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keyword" > namespace < / span > sat {< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // This class represents a number in [0, ub]. The encoding uses ub binary< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > // variables x_i with i in [0, ub) where x_i means that the number is > i. It is< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // called an EncodingNode, because it represents one node of the tree used to< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "comment" > // encode a cardinality constraint.< / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "comment" > // In practice, not all literals are explicitly created:< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // - Only the literals in [lb, current_ub) are " active" at a given time.< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > // - The represented number is known to be > = lb.< / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > // - It may be greater than current_ub, but the extra literals will be only< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "comment" > // created lazily. In all our solves, the literal current_ub - 1, will always< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > // be assumed to false (i.e. the number will be < = current_ub - 1).< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // - Note that lb may increase and ub decrease as more information is learned< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // about this node by the sat solver.< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // This is roughly based on the cardinality constraint encoding described in:< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // Bailleux and Yacine Boufkhad, " Efficient CNF Encoding of Boolean Cardinality< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > // Constraints" , In Proc. of CP 2003, pages 108-122, 2003.< / span > < / div >
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< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > 53< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > {< / div >
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< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keyword" > public< / span > :< / div >
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< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcc0ba7af448641ff70c751416efb4ae" > 55< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcc0ba7af448641ff70c751416efb4ae" > EncodingNode< / a > () {}< / div >
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< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "comment" > // Constructs a EncodingNode of size one, just formed by the given literal.< / span > < / div >
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< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcc0ba7af448641ff70c751416efb4ae" > EncodingNode< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > l);< / div >
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< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > // Creates a " full" encoding node on n new variables, the represented number< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "comment" > // beeing in [lb, ub = lb + n). The variables are added to the given solver< / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > // with the basic implications linking them:< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // literal(0) > = ... > = literal(n-1)< / span > < / div >
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< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6e81565ea8f030c21126024751b8d4be" > InitializeFullNode< / a > (< span class = "keywordtype" > int< / span > n, < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * < a class = "code" href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * < a class = "code" href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > ,< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver);< / div >
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< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // Creates a " lazy" encoding node representing the sum of a and b.< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "comment" > // Only one literals will be created by this operation. Note that no clauses< / span > < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > // linking it with a or b are added by this function.< / span > < / div >
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< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6bea440eb7f63954ecf88b597d182ecb" > InitializeLazyNode< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * < a class = "code" href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * < a class = "code" href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver);< / div >
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< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "comment" > // Returns a literal with the meaning ' this node number is > i' .< / span > < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > // The given i must be in [lb_, current_ub).< / span > < / div >
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< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#ad43b46262f3e4103bd59aae627925fdf" > 74< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#ad43b46262f3e4103bd59aae627925fdf" > GreaterThan< / a > (< span class = "keywordtype" > int< / span > i)< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a8d59d3e1fa9887ff055c7a6853055198" > literal< / a > (i - lb_); }< / div >
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< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // Accessors to size() and literals in [lb, current_ub).< / span > < / div >
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< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#af9593d4a5ff4274efaf429cb4f9e57cc" > 77< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#af9593d4a5ff4274efaf429cb4f9e57cc" > size< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > literals_.size(); }< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a8d59d3e1fa9887ff055c7a6853055198" > 78< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a8d59d3e1fa9887ff055c7a6853055198" > literal< / a > (< span class = "keywordtype" > int< / span > i)< span class = "keyword" > const < / span > {< / div >
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< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < a class = "code" href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > (i, 0);< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < a class = "code" href = "base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82" > CHECK_LT< / a > (i, literals_.size());< / div >
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< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > return< / span > literals_[i];< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   }< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // Sort by decreasing depth first and then by increasing variable index.< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > // This is meant to be used by the priority queue in MergeAllNodesWithPQ().< / span > < / div >
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< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcf37f1f013451c059ca2074be226078" > 86< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcf37f1f013451c059ca2074be226078" > operator< < / a > (< span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > & other)< span class = "keyword" > const < / span > {< / div >
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< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordflow" > return< / span > depth_ > other.depth_ ||< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   (depth_ == other.depth_ & & other.for_sorting_ > for_sorting_);< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   }< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // Creates a new literals and increases current_ub.< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > // Returns false if we were already at the upper bound for this node.< / span > < / div >
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< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a29f3df8e348017bbeaab35d77a4b3fa8" > IncreaseCurrentUB< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver);< / div >
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< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "comment" > // Removes the left-side literals fixed to 1 and returns the number of< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "comment" > // literals removed this way. Note that this increases lb_ and reduces the< / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "comment" > // number of active literals. It also removes any right-side literals fixed to< / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "comment" > // 0. If such a literal exists, ub is updated accordingly.< / span > < / div >
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< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a1fadb46d73a6b7e1b449e6070cfa697f" > Reduce< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > & solver);< / div >
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< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > // Fix the right-side variables with indices > = to the given upper_bound to< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "comment" > // false.< / span > < / div >
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< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#aa8ff3ff545b564b3bdde393df6c37faa" > ApplyUpperBound< / a > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > upper_bound, < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver);< / div >
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< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < / div >
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< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#ac92f797a3120e43647b75cc41aa9033e" > 105< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#ac92f797a3120e43647b75cc41aa9033e" > set_weight< / a > (Coefficient w) { weight_ = w; }< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a7f57c0d3f4a1efca82d8c0721556b9d7" > 106< / a > < / span >   Coefficient < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a7f57c0d3f4a1efca82d8c0721556b9d7" > weight< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > weight_; }< / div >
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< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
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< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6fdd73f8011695b97659f2bea29325cb" > 108< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6fdd73f8011695b97659f2bea29325cb" > depth< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > depth_; }< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a42fc122b08d9872df0fe327946356be9" > 109< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a42fc122b08d9872df0fe327946356be9" > lb< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > lb_; }< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a4101c336fb4c5135ceef3ab532d755cd" > 110< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a4101c336fb4c5135ceef3ab532d755cd" > current_ub< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > lb_ + literals_.size(); }< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a45469cb8257ad81b6b29393836a4ac5b" > 111< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a45469cb8257ad81b6b29393836a4ac5b" > ub< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > ub_; }< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a27d90c80eb645f49ebc49be959505d54" > 112< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#a27d90c80eb645f49ebc49be959505d54" > child_a< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > child_a_; }< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_encoding_node.html#ab068d566c00fb2de9fdb252752ca839b" > 113< / a > < / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html#ab068d566c00fb2de9fdb252752ca839b" > child_b< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > child_b_; }< / div >
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< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keywordtype" > int< / span > depth_;< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordtype" > int< / span > lb_;< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordtype" > int< / span > ub_;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   BooleanVariable for_sorting_;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   Coefficient weight_;< / div >
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< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * child_a_;< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_encoding_node.html" > EncodingNode< / a > * child_b_;< / div >
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< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // The literals of this node in order.< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   std::vector< Literal> literals_;< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   };< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
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< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "comment" > // Note that we use < = because on 32 bits architecture, the size will actually< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "comment" > // be smaller than 64 bytes. One exception is with visual studio on windows, in< / span > < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "comment" > // debug mode, where the struct is bigger.< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "preprocessor" > #if defined(_M_X64) & & defined(_DEBUG)< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > // In debug, with msvc, std::Vector< T> is 32< / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   static_assert(< span class = "keyword" > sizeof< / span > (EncodingNode) == 72,< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "stringliteral" > " ERROR_EncodingNode_is_not_well_compacted" < / span > );< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "preprocessor" > #else< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "comment" > // Note that we use < = because on 32 bits architecture, the size will actually< / span > < / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "comment" > // be smaller than 64 bytes.< / span > < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   static_assert(< span class = "keyword" > sizeof< / span > (EncodingNode) < = 64,< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "stringliteral" > " ERROR_EncodingNode_is_not_well_compacted" < / span > );< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > // Merges the two given EncodingNodes by creating a new node that corresponds to< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "comment" > // the sum of the two given ones. Only the left-most binary variable is created< / span > < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "comment" > // for the parent node, the other ones will be created later when needed.< / span > < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   EncodingNode < a class = "code" href = "namespaceoperations__research_1_1sat.html#a99e372550892ddd117f7a23e4fd73518" > LazyMerge< / a > (EncodingNode* < a class = "code" href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > , EncodingNode* < a class = "code" href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > , SatSolver* solver);< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // Increases the size of the given node by one. To keep all the needed relations< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "comment" > // with its children, we also need to increase their size by one, and so on< / span > < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "comment" > // recursively. Also adds all the necessary clauses linking the newly added< / span > < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "comment" > // literals.< / span > < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a6af701ea48c91ef8a59a67b5b8d355c2" > IncreaseNodeSize< / a > (EncodingNode* node, SatSolver* solver);< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "comment" > // Merges the two given EncodingNode by creating a new node that corresponds to< / span > < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "comment" > // the sum of the two given ones. The given upper_bound is interpreted as a< / span > < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "comment" > // bound on this sum, and allows creating fewer binary variables.< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   EncodingNode < a class = "code" href = "namespaceoperations__research_1_1sat.html#aa357501e62925d41514301a6fd211c3e" > FullMerge< / a > (Coefficient upper_bound, EncodingNode* < a class = "code" href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > ,< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   EncodingNode* < a class = "code" href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > , SatSolver* solver);< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "comment" > // Merges all the given nodes two by two until there is only one left. Returns< / span > < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "comment" > // the final node which encodes the sum of all the given nodes.< / span > < / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   EncodingNode* < a class = "code" href = "namespaceoperations__research_1_1sat.html#a29ff75f2188e0ac1c58fa4b0cf793a00" > MergeAllNodesWithDeque< / a > (Coefficient upper_bound,< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keyword" > const< / span > std::vector< EncodingNode*> & nodes,< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   SatSolver* solver,< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   std::deque< EncodingNode> * repository);< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "comment" > // Same as MergeAllNodesWithDeque() but use a priority queue to merge in< / span > < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "comment" > // priority nodes with smaller sizes.< / span > < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   EncodingNode* < a class = "code" href = "namespaceoperations__research_1_1sat.html#a58a0f80524e7d3e00ba0eb8e3ff27048" > LazyMergeAllNodeWithPQ< / a > (< span class = "keyword" > const< / span > std::vector< EncodingNode*> & nodes,< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   SatSolver* solver,< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   std::deque< EncodingNode> * repository);< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > // Returns a vector with one new EncodingNode by variable in the given< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "comment" > // objective. Sets the offset to the negated sum of the negative coefficient,< / span > < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "comment" > // because in this case we negate the literals to have only positive< / span > < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // coefficients.< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   std::vector< EncodingNode*> < a class = "code" href = "namespaceoperations__research_1_1sat.html#aea70549adb843d22d06bef763a0960c8" > CreateInitialEncodingNodes< / a > (< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keyword" > const< / span > std::vector< Literal> & literals,< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keyword" > const< / span > std::vector< Coefficient> & coeffs, Coefficient* offset,< / div >
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< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   std::deque< EncodingNode> * repository);< / div >
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< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   std::vector< EncodingNode*> < a class = "code" href = "namespaceoperations__research_1_1sat.html#aea70549adb843d22d06bef763a0960c8" > CreateInitialEncodingNodes< / a > (< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keyword" > const< / span > LinearObjective& objective_proto, Coefficient* offset,< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   std::deque< EncodingNode> * repository);< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "comment" > // Reduces the nodes using the now fixed literals, update the lower-bound, and< / span > < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "comment" > // returns the set of assumptions for the next round of the core-based< / span > < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // algorithm. Returns an empty set of assumptions if everything is fixed.< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   std::vector< Literal> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a3c7b9fb850d243d90ea59790db13a676" > ReduceNodesAndExtractAssumptions< / a > (< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   Coefficient upper_bound, Coefficient stratified_lower_bound,< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   Coefficient* lower_bound, std::vector< EncodingNode*> * nodes,< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   SatSolver* solver);< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "comment" > // Returns the minimum weight of the nodes in the core. Note that the literal in< / span > < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "comment" > // the core must appear in the same order as the one in nodes.< / span > < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   Coefficient < a class = "code" href = "namespaceoperations__research_1_1sat.html#a1c9d74b9b207b6e5513334dd135a00a9" > ComputeCoreMinWeight< / a > (< span class = "keyword" > const< / span > std::vector< EncodingNode*> & nodes,< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keyword" > const< / span > std::vector< Literal> & core);< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "comment" > // Returns the maximum node weight under the given upper_bound. Returns zero if< / span > < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "comment" > // no such weight exist (note that a node weight is strictly positive, so this< / span > < / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "comment" > // make sense).< / span > < / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   Coefficient < a class = "code" href = "namespaceoperations__research_1_1sat.html#ad6c9cfad7e2fa7ae1bbff31720394436" > MaxNodeWeightSmallerThan< / a > (< span class = "keyword" > const< / span > std::vector< EncodingNode*> & nodes,< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   Coefficient upper_bound);< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "comment" > // Updates the encoding using the given core. The literals in the core must< / span > < / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "comment" > // match the order in nodes.< / span > < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ab87119f7f6691eca8af4c552828fc4c4" > ProcessCore< / a > (< span class = "keyword" > const< / span > std::vector< Literal> & core, Coefficient min_weight,< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   std::deque< EncodingNode> * repository,< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   std::vector< EncodingNode*> * nodes, SatSolver* solver);< / div >
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< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < / div >
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< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "preprocessor" > #endif // OR_TOOLS_SAT_ENCODING_H_< / span > < / div >
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< / div > <!-- fragment --> < / div > <!-- contents -->
< / div > <!-- doc - content -->
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< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a42fc122b08d9872df0fe327946356be9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a42fc122b08d9872df0fe327946356be9" > operations_research::sat::EncodingNode::lb< / a > < / div > < div class = "ttdeci" > int lb() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00109" > encoding.h:109< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "aintegral__types_8h_html" > < div class = "ttname" > < a href = "integral__types_8h.html" > integral_types.h< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a6fdd73f8011695b97659f2bea29325cb" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6fdd73f8011695b97659f2bea29325cb" > operations_research::sat::EncodingNode::depth< / a > < / div > < div class = "ttdeci" > int depth() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00108" > encoding.h:108< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > < / div > < div class = "ttdeci" > #define CHECK_GE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00701" > base/logging.h:701< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
2020-12-29 22:27:47 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html" > operations_research::sat::SatSolver< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00057" > sat_solver.h:57< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a29ff75f2188e0ac1c58fa4b0cf793a00" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a29ff75f2188e0ac1c58fa4b0cf793a00" > operations_research::sat::MergeAllNodesWithDeque< / a > < / div > < div class = "ttdeci" > EncodingNode * MergeAllNodesWithDeque(Coefficient upper_bound, const std::vector< EncodingNode * > & nodes, SatSolver *solver, std::deque< EncodingNode > *repository)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00263" > encoding.cc:263< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ab87119f7f6691eca8af4c552828fc4c4" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ab87119f7f6691eca8af4c552828fc4c4" > operations_research::sat::ProcessCore< / a > < / div > < div class = "ttdeci" > void ProcessCore(const std::vector< Literal > & core, Coefficient min_weight, std::deque< EncodingNode > *repository, std::vector< EncodingNode * > *nodes, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00445" > encoding.cc:445< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_afcf37f1f013451c059ca2074be226078" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcf37f1f013451c059ca2074be226078" > operations_research::sat::EncodingNode::operator< < / a > < / div > < div class = "ttdeci" > bool operator< (const EncodingNode & other) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00086" > encoding.h:86< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82" > < div class = "ttname" > < a href = "base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82" > CHECK_LT< / a > < / div > < div class = "ttdeci" > #define CHECK_LT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00700" > base/logging.h:700< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "amacros_8h_html" > < div class = "ttname" > < a href = "macros_8h.html" > macros.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a" > < div class = "ttname" > < a href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < / div > < div class = "ttdeci" > int64_t int64< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integral__types_8h_source.html#l00034" > integral_types.h:34< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a8d59d3e1fa9887ff055c7a6853055198" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a8d59d3e1fa9887ff055c7a6853055198" > operations_research::sat::EncodingNode::literal< / a > < / div > < div class = "ttdeci" > Literal literal(int i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00078" > encoding.h:78< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "asat__solver_8h_html" > < div class = "ttname" > < a href = "sat__solver_8h.html" > sat_solver.h< / a > < / div > < / div >
< div class = "ttc" id = "asat__base_8h_html" > < div class = "ttname" > < a href = "sat__base_8h.html" > sat_base.h< / a > < / div > < / div >
< div class = "ttc" id = "apb__constraint_8h_html" > < div class = "ttname" > < a href = "pb__constraint_8h.html" > pb_constraint.h< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_aa8ff3ff545b564b3bdde393df6c37faa" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#aa8ff3ff545b564b3bdde393df6c37faa" > operations_research::sat::EncodingNode::ApplyUpperBound< / a > < / div > < div class = "ttdeci" > void ApplyUpperBound(int64 upper_bound, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00097" > encoding.cc:97< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_af730895c6c6ef6e03caaf6251192dfd2" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > < / div > < div class = "ttdeci" > int64 a< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00042" > constraint_solver/table.cc:42< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a1c9d74b9b207b6e5513334dd135a00a9" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a1c9d74b9b207b6e5513334dd135a00a9" > operations_research::sat::ComputeCoreMinWeight< / a > < / div > < div class = "ttdeci" > Coefficient ComputeCoreMinWeight(const std::vector< EncodingNode * > & nodes, const std::vector< Literal > & core)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00418" > encoding.cc:418< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a58a0f80524e7d3e00ba0eb8e3ff27048" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a58a0f80524e7d3e00ba0eb8e3ff27048" > operations_research::sat::LazyMergeAllNodeWithPQ< / a > < / div > < div class = "ttdeci" > EncodingNode * LazyMergeAllNodeWithPQ(const std::vector< EncodingNode * > & nodes, SatSolver *solver, std::deque< EncodingNode > *repository)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00285" > encoding.cc:285< / a > < / div > < / div >
< div class = "ttc" id = "aint__type_8h_html" > < div class = "ttname" > < a href = "int__type_8h.html" > int_type.h< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_ab068d566c00fb2de9fdb252752ca839b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#ab068d566c00fb2de9fdb252752ca839b" > operations_research::sat::EncodingNode::child_b< / a > < / div > < div class = "ttdeci" > EncodingNode * child_b() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00113" > encoding.h:113< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "aboolean__problem_8pb_8h_html" > < div class = "ttname" > < a href = "boolean__problem_8pb_8h.html" > boolean_problem.pb.h< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a4101c336fb4c5135ceef3ab532d755cd" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a4101c336fb4c5135ceef3ab532d755cd" > operations_research::sat::EncodingNode::current_ub< / a > < / div > < div class = "ttdeci" > int current_ub() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00110" > encoding.h:110< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a45469cb8257ad81b6b29393836a4ac5b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a45469cb8257ad81b6b29393836a4ac5b" > operations_research::sat::EncodingNode::ub< / a > < / div > < div class = "ttdeci" > int ub() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00111" > encoding.h:111< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3c7b9fb850d243d90ea59790db13a676" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3c7b9fb850d243d90ea59790db13a676" > operations_research::sat::ReduceNodesAndExtractAssumptions< / a > < / div > < div class = "ttdeci" > std::vector< Literal > ReduceNodesAndExtractAssumptions(Coefficient upper_bound, Coefficient stratified_lower_bound, Coefficient *lower_bound, std::vector< EncodingNode * > *nodes, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00366" > encoding.cc:366< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ad6c9cfad7e2fa7ae1bbff31720394436" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ad6c9cfad7e2fa7ae1bbff31720394436" > operations_research::sat::MaxNodeWeightSmallerThan< / a > < / div > < div class = "ttdeci" > Coefficient MaxNodeWeightSmallerThan(const std::vector< EncodingNode * > & nodes, Coefficient upper_bound)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00433" > encoding.cc:433< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a99e372550892ddd117f7a23e4fd73518" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a99e372550892ddd117f7a23e4fd73518" > operations_research::sat::LazyMerge< / a > < / div > < div class = "ttdeci" > EncodingNode LazyMerge(EncodingNode *a, EncodingNode *b, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00106" > encoding.cc:106< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a6e81565ea8f030c21126024751b8d4be" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6e81565ea8f030c21126024751b8d4be" > operations_research::sat::EncodingNode::InitializeFullNode< / a > < / div > < div class = "ttdeci" > void InitializeFullNode(int n, EncodingNode *a, EncodingNode *b, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00035" > encoding.cc:35< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a29f3df8e348017bbeaab35d77a4b3fa8" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a29f3df8e348017bbeaab35d77a4b3fa8" > operations_research::sat::EncodingNode::IncreaseCurrentUB< / a > < / div > < div class = "ttdeci" > bool IncreaseCurrentUB(SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00071" > encoding.cc:71< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_literal_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html" > operations_research::sat::Literal< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00064" > sat_base.h:64< / a > < / div > < / div >
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< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aa357501e62925d41514301a6fd211c3e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aa357501e62925d41514301a6fd211c3e" > operations_research::sat::FullMerge< / a > < / div > < div class = "ttdeci" > EncodingNode FullMerge(Coefficient upper_bound, EncodingNode *a, EncodingNode *b, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00212" > encoding.cc:212< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a6af701ea48c91ef8a59a67b5b8d355c2" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a6af701ea48c91ef8a59a67b5b8d355c2" > operations_research::sat::IncreaseNodeSize< / a > < / div > < div class = "ttdeci" > void IncreaseNodeSize(EncodingNode *node, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00116" > encoding.cc:116< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_ad43b46262f3e4103bd59aae627925fdf" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#ad43b46262f3e4103bd59aae627925fdf" > operations_research::sat::EncodingNode::GreaterThan< / a > < / div > < div class = "ttdeci" > Literal GreaterThan(int i) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00074" > encoding.h:74< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html" > operations_research::sat::EncodingNode< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00053" > encoding.h:53< / a > < / div > < / div >
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< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > < / div > < div class = "ttdeci" > int64 b< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00043" > constraint_solver/table.cc:43< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a27d90c80eb645f49ebc49be959505d54" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a27d90c80eb645f49ebc49be959505d54" > operations_research::sat::EncodingNode::child_a< / a > < / div > < div class = "ttdeci" > EncodingNode * child_a() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00112" > encoding.h:112< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_afcc0ba7af448641ff70c751416efb4ae" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#afcc0ba7af448641ff70c751416efb4ae" > operations_research::sat::EncodingNode::EncodingNode< / a > < / div > < div class = "ttdeci" > EncodingNode()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00055" > encoding.h:55< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a6bea440eb7f63954ecf88b597d182ecb" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a6bea440eb7f63954ecf88b597d182ecb" > operations_research::sat::EncodingNode::InitializeLazyNode< / a > < / div > < div class = "ttdeci" > void InitializeLazyNode(EncodingNode *a, EncodingNode *b, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00055" > encoding.cc:55< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a7f57c0d3f4a1efca82d8c0721556b9d7" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a7f57c0d3f4a1efca82d8c0721556b9d7" > operations_research::sat::EncodingNode::weight< / a > < / div > < div class = "ttdeci" > Coefficient weight() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00106" > encoding.h:106< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_a1fadb46d73a6b7e1b449e6070cfa697f" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#a1fadb46d73a6b7e1b449e6070cfa697f" > operations_research::sat::EncodingNode::Reduce< / a > < / div > < div class = "ttdeci" > int Reduce(const SatSolver & solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00081" > encoding.cc:81< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aea70549adb843d22d06bef763a0960c8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aea70549adb843d22d06bef763a0960c8" > operations_research::sat::CreateInitialEncodingNodes< / a > < / div > < div class = "ttdeci" > std::vector< EncodingNode * > CreateInitialEncodingNodes(const std::vector< Literal > & literals, const std::vector< Coefficient > & coeffs, Coefficient *offset, std::deque< EncodingNode > *repository)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8cc_source.html#l00302" > encoding.cc:302< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_ac92f797a3120e43647b75cc41aa9033e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#ac92f797a3120e43647b75cc41aa9033e" > operations_research::sat::EncodingNode::set_weight< / a > < / div > < div class = "ttdeci" > void set_weight(Coefficient w)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00105" > encoding.h:105< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_encoding_node_html_af9593d4a5ff4274efaf429cb4f9e57cc" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_encoding_node.html#af9593d4a5ff4274efaf429cb4f9e57cc" > operations_research::sat::EncodingNode::size< / a > < / div > < div class = "ttdeci" > int size() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "encoding_8h_source.html#l00077" > encoding.h:77< / a > < / div > < / div >
2020-09-01 16:00:33 +02:00
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