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< a href = "sat_2table_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #include " < a class = "code" href = "table_8h.html" > ortools/sat/table.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #include < algorithm> < / 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 < limits> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include < set> < / 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 > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_map.h" < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_set.h" < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include " absl/strings/str_cat.h" < / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #include " absl/strings/str_join.h" < / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / 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 id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / 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 = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "preprocessor" > #include " < a class = "code" href = "map__util_8h.html" > ortools/base/map_util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "preprocessor" > #include " < a class = "code" href = "stl__util_8h.html" > ortools/base/stl_util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / 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 id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / 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 id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / 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 = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / 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 = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "keyword" > namespace < / span > sat {< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // Converts the vector representation returned by FullDomainEncoding() to a map.< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > absl::flat_hash_map< IntegerValue, Literal> GetEncoding(IntegerVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ,< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > Model* < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > absl::flat_hash_map< IntegerValue, Literal> encoding;< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > IntegerEncoder* encoder = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< IntegerEncoder> ();< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & entry : encoder-> FullDomainEncoding(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > )) {< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > encoding[entry.value] = entry.literal;< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > }< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "keywordflow" > return< / span > encoding;< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > }< / 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" > // Add the implications and clauses to link one column of a table to the Literal< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // controling if the lines are possible or not. The column has the given values,< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // and the Literal of the column variable can be retrieved using the encoding< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // map. Thew tuples_with_any vector provides a list of line_literals that will< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > // support any value.< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keywordtype" > void< / span > ProcessOneColumn(< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keyword" > const< / span > std::vector< Literal> & line_literals,< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "keyword" > const< / span > std::vector< IntegerValue> & values,< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "keyword" > const< / span > absl::flat_hash_map< IntegerValue, Literal> & encoding,< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "keyword" > const< / span > std::vector< Literal> & tuples_with_any, Model* < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (line_literals.size(), values.size());< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > std::vector< std::pair< IntegerValue, Literal> > pairs;< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "comment" > // If a value is false (i.e not possible), then the tuple with this value< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "comment" > // is false too (i.e not possible). Conversely, if the tuple is selected,< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "comment" > // the value must be selected.< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < values.size(); ++i) {< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "keyword" > const< / span > IntegerValue v = values[i];< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "keywordflow" > if< / span > (!encoding.contains(v)) {< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > ({line_literals[i].Negated()}));< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > pairs.emplace_back(v, line_literals[i]);< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a6e056f4efb99b080ae5bdb7267339f59" > Implication< / a > (line_literals[i], < a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (encoding, v)));< / 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 > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // Regroup literal with the same value and add for each the clause: If all the< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < span class = "comment" > // tuples containing a value are false, then this value must be false too.< / span > < / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > std::sort(pairs.begin(), pairs.end());< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > std::vector< Literal> clause = tuples_with_any;< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < pairs.size();) {< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "comment" > // We always keep the tuples_with_any at the beginning of the clause.< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > clause.resize(tuples_with_any.size());< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "keyword" > const< / span > IntegerValue < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = pairs[i].first;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < span class = "keywordflow" > for< / span > (; i < pairs.size() & & pairs[i].first == < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ; ++i) {< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > clause.push_back(pairs[i].second);< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > }< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "comment" > // And the " value" literal and load the clause.< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > clause.push_back(< a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (encoding, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ).Negated());< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > (clause));< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > }< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > }< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "comment" > // Simpler encoding for table constraints with 2 variables.< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keywordtype" > void< / span > AddSizeTwoTable(< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > absl::Span< const IntegerVariable> vars,< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int64_t> > & tuples,< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keyword" > const< / span > std::vector< absl::flat_hash_set< int64_t> > & values_per_var,< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > Model* < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > n = vars.size();< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (n, 2);< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > IntegerTrail* < span class = "keyword" > const< / span > integer_trail = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< IntegerTrail> ();< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > std::vector< absl::flat_hash_map< IntegerValue, Literal> > encodings(n);< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "keyword" > const< / span > std::vector< int64_t> reached_values(values_per_var[i].begin(),< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > values_per_var[i].end());< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > integer_trail-> UpdateInitialDomain(vars[i],< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < a class = "code hl_function" href = "classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb" > Domain::FromValues< / a > (reached_values));< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "keywordflow" > if< / span > (values_per_var.size() > 1) {< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#ae282013f2321b5817fd61ad9e705e446" > FullyEncodeVariable< / a > (vars[i]));< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > encodings[i] = GetEncoding(vars[i], < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > }< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > }< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "comment" > // One variable is fixed. Propagation is complete.< / span > < / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "keywordflow" > if< / span > (values_per_var[0].size() == 1 || values_per_var[1].size() == 1) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > std::map< LiteralIndex, std::vector< Literal> > left_to_right;< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > std::map< LiteralIndex, std::vector< Literal> > right_to_left;< / 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 = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & tuple : tuples) {< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "keyword" > const< / span > IntegerValue left_value(tuple[0]);< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "keyword" > const< / span > IntegerValue right_value(tuple[1]);< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keywordflow" > if< / span > (!encodings[0].contains(left_value) ||< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > !encodings[1].contains(right_value)) {< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / 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 = "keyword" > const< / span > Literal left = < a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (encodings[0], left_value);< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keyword" > const< / span > Literal right = < a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (encodings[1], right_value);< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > left_to_right[left.Index()].push_back(right);< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > right_to_left[right.Index()].push_back(left);< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / 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 = "keywordtype" > int< / span > num_implications = 0;< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "keywordtype" > int< / span > num_clause_added = 0;< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "keywordtype" > int< / span > num_large_clause_added = 0;< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > std::vector< Literal> clause;< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keyword" > auto< / span > add_support_constraint =< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > [< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , & num_clause_added, & num_large_clause_added, & num_implications,< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > & clause](LiteralIndex lit, < span class = "keyword" > const< / span > std::vector< Literal> & supports,< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < span class = "keywordtype" > int< / span > max_support_size) {< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "keywordflow" > if< / span > (supports.size() == max_support_size) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "keywordflow" > if< / span > (supports.size() == 1) {< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a6e056f4efb99b080ae5bdb7267339f59" > Implication< / a > (Literal(lit), supports.front()));< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > num_implications++;< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > clause.assign(supports.begin(), supports.end());< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > clause.push_back(Literal(lit).Negated());< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > (clause));< / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > num_clause_added++;< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "keywordflow" > if< / span > (supports.size() > max_support_size / 2) {< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > num_large_clause_added++;< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / 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 > };< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & it : left_to_right) {< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > add_support_constraint(it.first, it.second, values_per_var[1].size());< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > }< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & it : right_to_left) {< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > add_support_constraint(it.first, it.second, values_per_var[0].size());< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > }< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Table: 2 variables, " < / span > < < tuples.size() < < < span class = "stringliteral" > " tuples encoded using " < / span > < / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < < num_clause_added < < < span class = "stringliteral" > " clauses, " < / span > < < num_large_clause_added< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < < < span class = "stringliteral" > " large clauses, " < / span > < < num_implications < < < span class = "stringliteral" > " implications" < / span > ;< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > }< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "comment" > // This method heuristically explores subsets of variables and decide if the< / span > < / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < span class = "comment" > // projection of all tuples nearly fills all the possible combination of< / span > < / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "comment" > // projected variables domains.< / span > < / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < span class = "comment" > // In that case, it creates the complement of the projected tuples and add that< / span > < / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < span class = "comment" > // as a forbidden assignment constraint.< / span > < / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < span class = "keywordtype" > void< / span > ExploreSubsetOfVariablesAndAddNegatedTables(< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int64_t> > & tuples,< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int64_t> > & var_domains,< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > absl::Span< const IntegerVariable> vars, Model* < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_vars = var_domains.size();< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > start = 0; start < num_vars; ++start) {< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > limit = start == 0 ? num_vars : < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (num_vars, start + 3);< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > end = start + 1; end < limit; ++end) {< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < span class = "comment" > // TODO(user): If we add negated table for more than one value of< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < span class = "comment" > // end, because the set of variables will be included in each other, we< / span > < / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "comment" > // could reduce the number of clauses added. I.e if we excluded< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "comment" > // (x=2, y=3) there is no need to exclude any of the tuples< / span > < / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "comment" > // (x=2, y=3, z=*).< / span > < / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "comment" > // Compute the maximum number of such prefix tuples.< / span > < / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > int64_t max_num_prefix_tuples = 1;< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = start; i < = end; ++i) {< / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > max_num_prefix_tuples =< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534" > CapProd< / a > (max_num_prefix_tuples, var_domains[i].size());< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > }< / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < span class = "comment" > // Abort early.< / span > < / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < span class = "keywordflow" > if< / span > (max_num_prefix_tuples > 2 * tuples.size()) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > absl::flat_hash_set< absl::Span< const int64_t> > prefixes;< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < span class = "keywordtype" > bool< / span > skip = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & tuple : tuples) {< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > prefixes.insert(absl::MakeSpan(& tuple[start], end - start + 1));< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < span class = "keywordflow" > if< / span > (prefixes.size() == max_num_prefix_tuples) {< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "comment" > // Nothing to add with this range [start..end].< / span > < / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > skip = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > }< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > }< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keywordflow" > if< / span > (skip) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_prefix_tuples = prefixes.size();< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > std::vector< std::vector< int64_t> > negated_tuples;< / 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 = "keywordtype" > int< / span > created = 0;< / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "keywordflow" > if< / span > (num_prefix_tuples < max_num_prefix_tuples & & < / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > max_num_prefix_tuples < num_prefix_tuples * 2) {< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > std::vector< int64_t> tmp_tuple;< / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < max_num_prefix_tuples; ++i) {< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > tmp_tuple.clear();< / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = i;< / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = start; j < = end; ++j) {< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > tmp_tuple.push_back(var_domains[j][< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > % var_domains[j].size()]);< / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > /= var_domains[j].size();< / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > }< / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordflow" > if< / span > (!prefixes.contains(tmp_tuple)) {< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > negated_tuples.push_back(tmp_tuple);< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > created++;< / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > }< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > }< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a77234dab48516b8bceef7fbf4744bba1" > AddNegatedTableConstraint< / a > (vars.subspan(start, end - start + 1),< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > negated_tuples, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " add negated tables with " < / span > < < created< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > < < < span class = "stringliteral" > " tuples on the range [" < / span > < < start < < < span class = "stringliteral" > " ," < / span > < < end < < < span class = "stringliteral" > " ]" < / span > ;< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > }< / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > }< / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > }< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > }< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > < / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < span class = "comment" > // Makes a static decomposition of a table constraint into clauses.< / span > < / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < span class = "comment" > // This uses an auxiliary vector of Literals tuple_literals.< / span > < / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "comment" > // For every column col, and every value val of that column,< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < span class = "comment" > // the decomposition uses clauses corresponding to the equivalence:< / span > < / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < span class = "comment" > // (\/_{row | tuples[row][col] = val} tuple_literals[row]) < => (vars[col] = val)< / span > < / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a15784ff0c35105c45925c9fbe29121d1" > 250< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a15784ff0c35105c45925c9fbe29121d1" > AddTableConstraint< / a > (absl::Span< const IntegerVariable> vars,< / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > std::vector< std::vector< int64_t> > tuples,< / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > n = vars.size();< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_original_tuples = tuples.size();< / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > < / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > < span class = "comment" > // Compute the set of possible values for each variable (from the table).< / span > < / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > < span class = "comment" > // Remove invalid tuples along the way.< / span > < / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > std::vector< absl::flat_hash_set< int64_t> > values_per_var(n);< / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = 0;< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > tuple_index = 0; tuple_index < num_original_tuples; ++tuple_index) {< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > < span class = "keywordtype" > bool< / span > keep = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < span class = "keyword" > const< / span > int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = tuples[tuple_index][i];< / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > < span class = "keywordflow" > if< / span > (!values_per_var[i].contains(< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) < span class = "comment" > /* cached */< / span > & & < / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > !integer_trail-> < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9" > InitialVariableDomain< / a > (vars[i]).< a class = "code hl_function" href = "classoperations__research_1_1_domain.html#a22c6c2f121586b5d76feb4b0e536dfde" > Contains< / a > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > )) {< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > keep = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > }< / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > }< / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > < span class = "keywordflow" > if< / span > (keep) {< / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > std::swap< / a > (tuples[tuple_index], tuples[< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ]);< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > values_per_var[i].insert(tuples[< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ][i]);< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > }< / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ++;< / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > }< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > }< / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > tuples.resize(< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_valid_tuples = tuples.size();< / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > < / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < span class = "keywordflow" > if< / span > (tuples.empty()) {< / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > > ()-> NotifyThatModelIsUnsat();< / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > }< / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > < / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > < span class = "keywordflow" > if< / span > (n == 2) {< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > AddSizeTwoTable(vars, tuples, values_per_var, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > }< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > < / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > < span class = "comment" > // It is easier to compute this before compression, as compression will merge< / span > < / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < span class = "comment" > // tuples.< / span > < / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "keywordtype" > int< / span > num_prefix_tuples = 0;< / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > {< / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > absl::flat_hash_set< absl::Span< const int64_t> > prefixes;< / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & tuple : tuples) {< / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > prefixes.insert(absl::MakeSpan(tuple.data(), n - 1));< / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > }< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > num_prefix_tuples = prefixes.size();< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > }< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > < / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > std::vector< std::vector< int64_t> > var_domains(n);< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < n; ++j) {< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > var_domains[j].assign(values_per_var[j].begin(), values_per_var[j].end());< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > std::sort(var_domains[j].begin(), var_domains[j].end());< / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > }< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > (vars.size(), 2);< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > ExploreSubsetOfVariablesAndAddNegatedTables(tuples, var_domains, vars, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > < / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > < span class = "comment" > // The variable domains have been computed. Fully encode variables.< / span > < / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > < span class = "comment" > // Note that in some corner cases (like duplicate vars), as we call< / span > < / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > < span class = "comment" > // UpdateInitialDomain(), the domain of other variable could become more< / span > < / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > < span class = "comment" > // restricted that values_per_var. For now, we do not try to reach a fixed< / span > < / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > < span class = "comment" > // point here.< / span > < / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > std::vector< absl::flat_hash_map< IntegerValue, Literal> > encodings(n);< / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > < span class = "keyword" > const< / span > std::vector< int64_t> reached_values(values_per_var[i].begin(),< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > values_per_var[i].end());< / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > integer_trail-> < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485" > UpdateInitialDomain< / a > (vars[i],< / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < a class = "code hl_function" href = "classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb" > Domain::FromValues< / a > (reached_values));< / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < span class = "keywordflow" > if< / span > (values_per_var.size() > 1) {< / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#ae282013f2321b5817fd61ad9e705e446" > FullyEncodeVariable< / a > (vars[i]));< / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > encodings[i] = GetEncoding(vars[i], < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > }< / 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 > < / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > < span class = "comment" > // Compress tuples.< / span > < / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < span class = "keyword" > const< / span > int64_t any_value = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::numeric_limits< int64_t> ::min< / a > ();< / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > std::vector< int64_t> domain_sizes;< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > domain_sizes.push_back(values_per_var[i].size());< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > }< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3e5f39b52251ad02e571592493b4d39f" > CompressTuples< / a > (domain_sizes, any_value, & tuples);< / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_compressed_tuples = tuples.size();< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > < / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < span class = "comment" > // Detect if prefix tuples are all different.< / span > < / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > prefixes_are_all_different = num_prefix_tuples == num_valid_tuples;< / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_define" href = "vlog__is__on_8h.html#a956152cad330225654d128f35c00efce" > VLOG_IS_ON< / a > (2)) {< / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > < span class = "comment" > // Compute the maximum number of prefix tuples.< / span > < / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > int64_t max_num_prefix_tuples = 1;< / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i + 1 < n; ++i) {< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > max_num_prefix_tuples =< / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534" > CapProd< / a > (max_num_prefix_tuples, values_per_var[i].size());< / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > }< / div >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > std::string < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > = absl::StrCat(< / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < span class = "stringliteral" > " Table: " < / span > , n, < span class = "stringliteral" > " variables, original tuples = " < / span > , num_original_tuples);< / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > < span class = "keywordflow" > if< / span > (num_valid_tuples != num_original_tuples) {< / div >
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > absl::StrAppend(& < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > , < span class = "stringliteral" > " , valid tuples = " < / span > , num_valid_tuples);< / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > }< / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > < span class = "keywordflow" > if< / span > (prefixes_are_all_different) {< / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > < span class = "keywordflow" > if< / span > (num_prefix_tuples < max_num_prefix_tuples) {< / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > absl::StrAppend(& < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > , < span class = "stringliteral" > " , partial prefix = " < / span > , num_prefix_tuples, < span class = "stringliteral" > " /" < / span > ,< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > max_num_prefix_tuples);< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > absl::StrAppend(& < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > , < span class = "stringliteral" > " , full prefix = true" < / span > );< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > }< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > absl::StrAppend(& < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > , < span class = "stringliteral" > " , num prefix tuples = " < / span > , num_prefix_tuples);< / 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 = "keywordflow" > if< / span > (num_compressed_tuples != num_valid_tuples) {< / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > absl::StrAppend(& < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > ,< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > < span class = "stringliteral" > " , compressed tuples = " < / span > , num_compressed_tuples);< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > }< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < a class = "code hl_variable" href = "trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879" > message< / a > ;< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > }< / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > < / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > < span class = "keywordflow" > if< / span > (tuples.size() == 1) {< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < span class = "comment" > // Nothing more to do.< / span > < / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > }< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > < span class = "comment" > // Create one Boolean variable per tuple to indicate if it can still be< / span > < / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > < span class = "comment" > // selected or not. Note that we don' t enforce exactly one tuple to be< / span > < / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > < span class = "comment" > // selected because these variables are just used by this constraint, so< / span > < / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > < span class = "comment" > // only the information " can' t be selected" is important.< / span > < / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > < span class = "comment" > // TODO(user): If a value in one column is unique, we don' t need to< / span > < / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > < span class = "comment" > // create a new BooleanVariable corresponding to this line since we can use< / span > < / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < span class = "comment" > // the one corresponding to this value in that column.< / span > < / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > < span class = "comment" > // Note that if there is just one tuple, there is no need to create such< / span > < / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > < span class = "comment" > // variables since they are not used.< / span > < / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > std::vector< Literal> tuple_literals;< / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > tuple_literals.reserve(tuples.size());< / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > < span class = "keywordflow" > if< / span > (tuples.size() == 2) {< / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > tuple_literals.emplace_back(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3cb95842130bc03177260ad20464bdbf" > NewBooleanVariable< / a > ()), < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > tuple_literals.emplace_back(tuple_literals[0].Negated());< / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (tuples.size() > 2) {< / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < tuples.size(); ++i) {< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > tuple_literals.emplace_back(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3cb95842130bc03177260ad20464bdbf" > NewBooleanVariable< / a > ()), < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > }< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > (tuple_literals));< / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > }< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > std::vector< Literal> active_tuple_literals;< / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > std::vector< IntegerValue> active_values;< / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > std::vector< Literal> any_tuple_literals;< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > < span class = "keywordflow" > if< / span > (values_per_var[i].size() == 1) < span class = "keywordflow" > continue< / span > ;< / 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 > active_tuple_literals.clear();< / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > active_values.clear();< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > any_tuple_literals.clear();< / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < tuple_literals.size(); ++j) {< / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < span class = "keyword" > const< / span > int64_t v = tuples[j][i];< / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > < / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > < span class = "keywordflow" > if< / span > (v == any_value) {< / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > any_tuple_literals.push_back(tuple_literals[j]);< / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > active_tuple_literals.push_back(tuple_literals[j]);< / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > active_values.push_back(IntegerValue(v));< / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > }< / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > }< / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > < / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > < span class = "keywordflow" > if< / span > (!active_tuple_literals.empty()) {< / div >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > ProcessOneColumn(active_tuple_literals, active_values, encodings[i],< / div >
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > any_tuple_literals, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > }< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > }< / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > < / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > < span class = "keywordflow" > if< / span > (prefixes_are_all_different) {< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > < span class = "comment" > // The first n-1 columns are all different, this encodes the implication< / span > < / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > < span class = "comment" > // table (tuple of size n - 1) implies value. We can add an optional< / span > < / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > 426< / span > < span class = "comment" > // propagation that should lead to better explanation.< / span > < / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > 427< / span > < span class = "comment" > // For each tuple, we add a clause prefix => last value.< / span > < / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > std::vector< Literal> clause;< / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < tuples.size(); ++j) {< / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > 430< / span > clause.clear();< / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > < span class = "keywordtype" > bool< / span > tuple_is_valid = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i + 1 < n; ++i) {< / div >
< div class = "line" > < a id = "l00433" name = "l00433" > < / a > < span class = "lineno" > 433< / span > < span class = "comment" > // Ignore fixed variables.< / span > < / div >
< div class = "line" > < a id = "l00434" name = "l00434" > < / a > < span class = "lineno" > 434< / span > < span class = "keywordflow" > if< / span > (values_per_var[i].size() == 1) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00435" name = "l00435" > < / a > < span class = "lineno" > 435< / span > < / div >
< div class = "line" > < a id = "l00436" name = "l00436" > < / a > < span class = "lineno" > 436< / span > < span class = "keyword" > const< / span > int64_t v = tuples[j][i];< / div >
< div class = "line" > < a id = "l00437" name = "l00437" > < / a > < span class = "lineno" > 437< / span > < span class = "comment" > // Ignored ' any' created during compression.< / span > < / div >
< div class = "line" > < a id = "l00438" name = "l00438" > < / a > < span class = "lineno" > 438< / span > < span class = "keywordflow" > if< / span > (v == any_value) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > 439< / span > < / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > < span class = "keyword" > const< / span > IntegerValue < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (v);< / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > < span class = "keywordflow" > if< / span > (!encodings[i].contains(< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > )) {< / div >
< div class = "line" > < a id = "l00442" name = "l00442" > < / a > < span class = "lineno" > 442< / span > tuple_is_valid = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00443" name = "l00443" > < / a > < span class = "lineno" > 443< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00444" name = "l00444" > < / a > < span class = "lineno" > 444< / span > }< / div >
< div class = "line" > < a id = "l00445" name = "l00445" > < / a > < span class = "lineno" > 445< / span > clause.push_back(< a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (encodings[i], < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ).Negated());< / div >
< div class = "line" > < a id = "l00446" name = "l00446" > < / a > < span class = "lineno" > 446< / span > }< / div >
< div class = "line" > < a id = "l00447" name = "l00447" > < / a > < span class = "lineno" > 447< / span > < span class = "keywordflow" > if< / span > (!tuple_is_valid) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00448" name = "l00448" > < / a > < span class = "lineno" > 448< / span > < / div >
< div class = "line" > < a id = "l00449" name = "l00449" > < / a > < span class = "lineno" > 449< / span > < span class = "comment" > // Add the target of the implication.< / span > < / div >
< div class = "line" > < a id = "l00450" name = "l00450" > < / a > < span class = "lineno" > 450< / span > < span class = "keyword" > const< / span > IntegerValue target_value = IntegerValue(tuples[j][n - 1]);< / div >
< div class = "line" > < a id = "l00451" name = "l00451" > < / a > < span class = "lineno" > 451< / span > < span class = "keywordflow" > if< / span > (!encodings[n - 1].contains(target_value)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00452" name = "l00452" > < / a > < span class = "lineno" > 452< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > target_literal =< / div >
< div class = "line" > < a id = "l00453" name = "l00453" > < / a > < span class = "lineno" > 453< / span > < a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (encodings[n - 1], target_value);< / div >
< div class = "line" > < a id = "l00454" name = "l00454" > < / a > < span class = "lineno" > 454< / span > clause.push_back(target_literal);< / div >
< div class = "line" > < a id = "l00455" name = "l00455" > < / a > < span class = "lineno" > 455< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > (clause));< / 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" > 457< / span > }< / div >
< div class = "line" > < a id = "l00458" name = "l00458" > < / a > < span class = "lineno" > 458< / span > }< / div >
< div class = "line" > < a id = "l00459" name = "l00459" > < / a > < span class = "lineno" > 459< / span > < / div >
< div class = "line" > < a id = "l00460" name = "l00460" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a77234dab48516b8bceef7fbf4744bba1" > 460< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a77234dab48516b8bceef7fbf4744bba1" > AddNegatedTableConstraint< / a > (absl::Span< const IntegerVariable> vars,< / div >
< div class = "line" > < a id = "l00461" name = "l00461" > < / a > < span class = "lineno" > 461< / span > std::vector< std::vector< int64_t> > tuples,< / div >
< div class = "line" > < a id = "l00462" name = "l00462" > < / a > < span class = "lineno" > 462< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00463" name = "l00463" > < / a > < span class = "lineno" > 463< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > n = vars.size();< / div >
< div class = "line" > < a id = "l00464" name = "l00464" > < / a > < span class = "lineno" > 464< / span > < span class = "keyword" > auto< / span > * integer_trail = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a id = "l00465" name = "l00465" > < / a > < span class = "lineno" > 465< / span > < span class = "keyword" > auto< / span > * integer_encoder = < 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_integer_encoder.html" > IntegerEncoder< / a > > ();< / div >
< div class = "line" > < a id = "l00466" name = "l00466" > < / a > < span class = "lineno" > 466< / span > < / div >
< div class = "line" > < a id = "l00467" name = "l00467" > < / a > < span class = "lineno" > 467< / span > < span class = "comment" > // Remove unreachable tuples.< / span > < / div >
< div class = "line" > < a id = "l00468" name = "l00468" > < / a > < span class = "lineno" > 468< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = 0;< / div >
< div class = "line" > < a id = "l00469" name = "l00469" > < / a > < span class = "lineno" > 469< / span > < span class = "keywordflow" > while< / span > (< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < tuples.size()) {< / div >
< div class = "line" > < a id = "l00470" name = "l00470" > < / a > < span class = "lineno" > 470< / span > < span class = "keywordtype" > bool< / span > remove = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00471" name = "l00471" > < / a > < span class = "lineno" > 471< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00472" name = "l00472" > < / a > < span class = "lineno" > 472< / span > < span class = "keywordflow" > if< / span > (!integer_trail-> InitialVariableDomain(vars[i]).Contains(< / div >
< div class = "line" > < a id = "l00473" name = "l00473" > < / a > < span class = "lineno" > 473< / span > tuples[< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ][i])) {< / div >
< div class = "line" > < a id = "l00474" name = "l00474" > < / a > < span class = "lineno" > 474< / span > remove = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00475" name = "l00475" > < / a > < span class = "lineno" > 475< / span > < span class = "keywordflow" > break< / 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 = "keywordflow" > if< / span > (remove) {< / div >
< div class = "line" > < a id = "l00479" name = "l00479" > < / a > < span class = "lineno" > 479< / span > tuples[< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ] = tuples.back();< / div >
< div class = "line" > < a id = "l00480" name = "l00480" > < / a > < span class = "lineno" > 480< / span > tuples.pop_back();< / div >
< div class = "line" > < a id = "l00481" name = "l00481" > < / a > < span class = "lineno" > 481< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00482" name = "l00482" > < / a > < span class = "lineno" > 482< / span > < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ++;< / 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 > }< / div >
< div class = "line" > < a id = "l00485" name = "l00485" > < / a > < span class = "lineno" > 485< / span > < / div >
< div class = "line" > < a id = "l00486" name = "l00486" > < / a > < span class = "lineno" > 486< / span > < span class = "keywordflow" > if< / span > (tuples.empty()) {< / div >
< div class = "line" > < a id = "l00487" name = "l00487" > < / a > < span class = "lineno" > 487< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00488" name = "l00488" > < / a > < span class = "lineno" > 488< / span > }< / div >
< div class = "line" > < a id = "l00489" name = "l00489" > < / a > < span class = "lineno" > 489< / span > < / div >
< div class = "line" > < a id = "l00490" name = "l00490" > < / a > < span class = "lineno" > 490< / span > < span class = "comment" > // Compress tuples.< / span > < / div >
< div class = "line" > < a id = "l00491" name = "l00491" > < / a > < span class = "lineno" > 491< / span > < span class = "keyword" > const< / span > int64_t any_value = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::numeric_limits< int64_t> ::min< / a > ();< / div >
< div class = "line" > < a id = "l00492" name = "l00492" > < / a > < span class = "lineno" > 492< / span > std::vector< int64_t> domain_sizes;< / div >
< div class = "line" > < a id = "l00493" name = "l00493" > < / a > < span class = "lineno" > 493< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00494" name = "l00494" > < / a > < span class = "lineno" > 494< / span > domain_sizes.push_back(< / div >
< div class = "line" > < a id = "l00495" name = "l00495" > < / a > < span class = "lineno" > 495< / span > integer_trail-> InitialVariableDomain(vars[i]).Size());< / div >
< div class = "line" > < a id = "l00496" name = "l00496" > < / a > < span class = "lineno" > 496< / span > }< / div >
< div class = "line" > < a id = "l00497" name = "l00497" > < / a > < span class = "lineno" > 497< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3e5f39b52251ad02e571592493b4d39f" > CompressTuples< / a > (domain_sizes, any_value, & tuples);< / div >
< div class = "line" > < a id = "l00498" name = "l00498" > < / a > < span class = "lineno" > 498< / span > < / div >
< div class = "line" > < a id = "l00499" name = "l00499" > < / a > < span class = "lineno" > 499< / span > < span class = "comment" > // Collect all relevant var == value literal.< / span > < / div >
< div class = "line" > < a id = "l00500" name = "l00500" > < / a > < span class = "lineno" > 500< / span > std::vector< absl::flat_hash_map< int64_t, Literal> > mapping(n);< / div >
< div class = "line" > < a id = "l00501" name = "l00501" > < / a > < span class = "lineno" > 501< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00502" name = "l00502" > < / a > < span class = "lineno" > 502< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > pair : integer_encoder-> PartialDomainEncoding(vars[i])) {< / div >
< div class = "line" > < a id = "l00503" name = "l00503" > < / a > < span class = "lineno" > 503< / span > mapping[i][pair.value.value()] = pair.literal;< / div >
< div class = "line" > < a id = "l00504" name = "l00504" > < / a > < span class = "lineno" > 504< / span > }< / 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" > 506< / span > < / div >
< div class = "line" > < a id = "l00507" name = "l00507" > < / a > < span class = "lineno" > 507< / span > < span class = "comment" > // For each tuple, forbid the variables values to be this tuple.< / span > < / div >
< div class = "line" > < a id = "l00508" name = "l00508" > < / a > < span class = "lineno" > 508< / span > std::vector< Literal> clause;< / div >
< div class = "line" > < a id = "l00509" name = "l00509" > < / a > < span class = "lineno" > 509< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & tuple : tuples) {< / div >
< div class = "line" > < a id = "l00510" name = "l00510" > < / a > < span class = "lineno" > 510< / span > < span class = "keywordtype" > bool< / span > add_tuple = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00511" name = "l00511" > < / a > < span class = "lineno" > 511< / span > clause.clear();< / div >
< div class = "line" > < a id = "l00512" name = "l00512" > < / a > < span class = "lineno" > 512< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a id = "l00513" name = "l00513" > < / a > < span class = "lineno" > 513< / span > < span class = "keyword" > const< / span > int64_t < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = tuple[i];< / div >
< div class = "line" > < a id = "l00514" name = "l00514" > < / a > < span class = "lineno" > 514< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > == any_value) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00515" name = "l00515" > < / a > < span class = "lineno" > 515< / span > < / div >
< div class = "line" > < a id = "l00516" name = "l00516" > < / a > < span class = "lineno" > 516< / span > < span class = "comment" > // If a literal associated to var == value exist, use it, otherwise< / span > < / div >
< div class = "line" > < a id = "l00517" name = "l00517" > < / a > < span class = "lineno" > 517< / span > < span class = "comment" > // just use (and eventually create) the two literals var > = value + 1< / span > < / div >
< div class = "line" > < a id = "l00518" name = "l00518" > < / a > < span class = "lineno" > 518< / span > < span class = "comment" > // and var < = value - 1.< / span > < / div >
< div class = "line" > < a id = "l00519" name = "l00519" > < / a > < span class = "lineno" > 519< / span > < span class = "keywordflow" > if< / span > (mapping[i].contains(< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > )) {< / div >
< div class = "line" > < a id = "l00520" name = "l00520" > < / a > < span class = "lineno" > 520< / span > clause.push_back(< a class = "code hl_function" href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > (mapping[i], < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ).Negated());< / div >
< div class = "line" > < a id = "l00521" name = "l00521" > < / a > < span class = "lineno" > 521< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00522" name = "l00522" > < / a > < span class = "lineno" > 522< / span > < span class = "keyword" > const< / span > int64_t lb = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3ad49ae9019c528851f6fd084479a567" > LowerBound< / a > (vars[i]));< / div >
< div class = "line" > < a id = "l00523" name = "l00523" > < / a > < span class = "lineno" > 523< / span > < span class = "keyword" > const< / span > int64_t ub = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Get(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a9e815eb2193f1bb6903274c7f0859cd7" > UpperBound< / a > (vars[i]));< / 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" > // TODO(user): test the full initial domain instead of just checking< / span > < / div >
< div class = "line" > < a id = "l00526" name = "l00526" > < / a > < span class = "lineno" > 526< / span > < span class = "comment" > // the bounds. That shouldn' t change too much since the literals added< / span > < / div >
< div class = "line" > < a id = "l00527" name = "l00527" > < / a > < span class = "lineno" > 527< / span > < span class = "comment" > // below will be trivially true or false though.< / span > < / div >
< div class = "line" > < a id = "l00528" name = "l00528" > < / a > < span class = "lineno" > 528< / span > < span class = "keywordflow" > if< / span > (value < lb || value > ub) {< / div >
< div class = "line" > < a id = "l00529" name = "l00529" > < / a > < span class = "lineno" > 529< / span > add_tuple = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00530" name = "l00530" > < / a > < span class = "lineno" > 530< / span > < span class = "keywordflow" > break< / 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 = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > > lb) {< / div >
< div class = "line" > < a id = "l00533" name = "l00533" > < / a > < span class = "lineno" > 533< / span > clause.push_back(integer_encoder-> GetOrCreateAssociatedLiteral(< / div >
< div class = "line" > < a id = "l00534" name = "l00534" > < / a > < span class = "lineno" > 534< / span > < a class = "code hl_function" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > IntegerLiteral::LowerOrEqual< / a > (vars[i], IntegerValue(< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > - 1))));< / div >
< div class = "line" > < a id = "l00535" name = "l00535" > < / a > < span class = "lineno" > 535< / span > }< / div >
< div class = "line" > < a id = "l00536" name = "l00536" > < / a > < span class = "lineno" > 536< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < ub) {< / div >
< div class = "line" > < a id = "l00537" name = "l00537" > < / a > < span class = "lineno" > 537< / span > clause.push_back(integer_encoder-> GetOrCreateAssociatedLiteral(< / div >
< div class = "line" > < a id = "l00538" name = "l00538" > < / a > < span class = "lineno" > 538< / span > < a class = "code hl_function" href = "structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63" > IntegerLiteral::GreaterOrEqual< / a > (vars[i],< / div >
< div class = "line" > < a id = "l00539" name = "l00539" > < / a > < span class = "lineno" > 539< / span > IntegerValue(< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > + 1))));< / div >
< div class = "line" > < a id = "l00540" name = "l00540" > < / a > < span class = "lineno" > 540< / span > }< / div >
< div class = "line" > < a id = "l00541" name = "l00541" > < / a > < span class = "lineno" > 541< / span > }< / div >
< div class = "line" > < a id = "l00542" name = "l00542" > < / a > < span class = "lineno" > 542< / span > }< / div >
< div class = "line" > < a id = "l00543" name = "l00543" > < / a > < span class = "lineno" > 543< / span > < span class = "keywordflow" > if< / span > (add_tuple) < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > (clause));< / 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 > }< / div >
< div class = "line" > < a id = "l00546" name = "l00546" > < / a > < span class = "lineno" > 546< / span > < / div >
< div class = "line" > < a id = "l00547" name = "l00547" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a37b0e14e8d3650d11ce21a6b8d0a03ab" > 547< / a > < / span > std::function< void(< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > *)> < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37b0e14e8d3650d11ce21a6b8d0a03ab" > LiteralTableConstraint< / a > (< / div >
< div class = "line" > < a id = "l00548" name = "l00548" > < / a > < span class = "lineno" > 548< / span > < span class = "keyword" > const< / span > std::vector< std::vector< Literal> > & literal_tuples,< / div >
< div class = "line" > < a id = "l00549" name = "l00549" > < / a > < span class = "lineno" > 549< / span > < span class = "keyword" > const< / span > std::vector< Literal> & line_literals) {< / div >
< div class = "line" > < a id = "l00550" name = "l00550" > < / a > < span class = "lineno" > 550< / span > < span class = "keywordflow" > return< / span > [=](< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00551" name = "l00551" > < / a > < span class = "lineno" > 551< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (literal_tuples.size(), line_literals.size());< / div >
< div class = "line" > < a id = "l00552" name = "l00552" > < / a > < span class = "lineno" > 552< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_tuples = line_literals.size();< / div >
< div class = "line" > < a id = "l00553" name = "l00553" > < / a > < span class = "lineno" > 553< / span > < span class = "keywordflow" > if< / span > (num_tuples == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00554" name = "l00554" > < / a > < span class = "lineno" > 554< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > tuple_size = literal_tuples[0].size();< / div >
< div class = "line" > < a id = "l00555" name = "l00555" > < / a > < span class = "lineno" > 555< / span > < span class = "keywordflow" > if< / span > (tuple_size == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00556" name = "l00556" > < / a > < span class = "lineno" > 556< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 1; i < num_tuples; ++i) {< / div >
< div class = "line" > < a id = "l00557" name = "l00557" > < / a > < span class = "lineno" > 557< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (tuple_size, literal_tuples[i].size());< / div >
< div class = "line" > < a id = "l00558" name = "l00558" > < / a > < span class = "lineno" > 558< / span > }< / div >
< div class = "line" > < a id = "l00559" name = "l00559" > < / a > < span class = "lineno" > 559< / span > < / div >
< div class = "line" > < a id = "l00560" name = "l00560" > < / a > < span class = "lineno" > 560< / span > absl::flat_hash_map< LiteralIndex, std::vector< LiteralIndex> > < / div >
< div class = "line" > < a id = "l00561" name = "l00561" > < / a > < span class = "lineno" > 561< / span > line_literals_per_literal;< / div >
< div class = "line" > < a id = "l00562" name = "l00562" > < / a > < span class = "lineno" > 562< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_tuples; ++i) {< / div >
< div class = "line" > < a id = "l00563" name = "l00563" > < / a > < span class = "lineno" > 563< / span > < span class = "keyword" > const< / span > LiteralIndex selected_index = line_literals[i].Index();< / div >
< div class = "line" > < a id = "l00564" name = "l00564" > < / a > < span class = "lineno" > 564< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > l : literal_tuples[i]) {< / div >
< div class = "line" > < a id = "l00565" name = "l00565" > < / a > < span class = "lineno" > 565< / span > line_literals_per_literal[l.Index()].push_back(selected_index);< / div >
< div class = "line" > < a id = "l00566" name = "l00566" > < / a > < span class = "lineno" > 566< / 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 > < / div >
< div class = "line" > < a id = "l00569" name = "l00569" > < / a > < span class = "lineno" > 569< / span > < span class = "comment" > // line_literals[i] == true => literal_tuples[i][j] == true.< / span > < / div >
< div class = "line" > < a id = "l00570" name = "l00570" > < / a > < span class = "lineno" > 570< / span > < span class = "comment" > // literal_tuples[i][j] == false => line_literals[i] == false.< / span > < / div >
< div class = "line" > < a id = "l00571" name = "l00571" > < / a > < span class = "lineno" > 571< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_tuples; ++i) {< / div >
< div class = "line" > < a id = "l00572" name = "l00572" > < / a > < span class = "lineno" > 572< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > line_is_selected = line_literals[i];< / div >
< div class = "line" > < a id = "l00573" name = "l00573" > < / a > < span class = "lineno" > 573< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > lit : literal_tuples[i]) {< / div >
< div class = "line" > < a id = "l00574" name = "l00574" > < / a > < span class = "lineno" > 574< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a6e056f4efb99b080ae5bdb7267339f59" > Implication< / a > (line_is_selected, lit));< / div >
< div class = "line" > < a id = "l00575" name = "l00575" > < / a > < span class = "lineno" > 575< / span > }< / div >
< div class = "line" > < a id = "l00576" name = "l00576" > < / a > < span class = "lineno" > 576< / span > }< / div >
< div class = "line" > < a id = "l00577" name = "l00577" > < / a > < span class = "lineno" > 577< / span > < / div >
< div class = "line" > < a id = "l00578" name = "l00578" > < / a > < span class = "lineno" > 578< / span > < span class = "comment" > // Exactly one selected literal is true.< / span > < / div >
< div class = "line" > < a id = "l00579" name = "l00579" > < / a > < span class = "lineno" > 579< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#accfda9e32067da0a88da8e325cf39c7c" > ExactlyOneConstraint< / a > (line_literals));< / div >
< div class = "line" > < a id = "l00580" name = "l00580" > < / a > < span class = "lineno" > 580< / span > < / div >
< div class = "line" > < a id = "l00581" name = "l00581" > < / a > < span class = "lineno" > 581< / span > < span class = "comment" > // If all selected literals of the lines containing a literal are false,< / span > < / div >
< div class = "line" > < a id = "l00582" name = "l00582" > < / a > < span class = "lineno" > 582< / span > < span class = "comment" > // then the literal is false.< / span > < / div >
< div class = "line" > < a id = "l00583" name = "l00583" > < / a > < span class = "lineno" > 583< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & p : line_literals_per_literal) {< / div >
< div class = "line" > < a id = "l00584" name = "l00584" > < / a > < span class = "lineno" > 584< / span > std::vector< Literal> clause;< / div >
< div class = "line" > < a id = "l00585" name = "l00585" > < / a > < span class = "lineno" > 585< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & < a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > : p.second) {< / div >
< div class = "line" > < a id = "l00586" name = "l00586" > < / a > < span class = "lineno" > 586< / span > clause.push_back(< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ));< / div >
< div class = "line" > < a id = "l00587" name = "l00587" > < / a > < span class = "lineno" > 587< / span > }< / div >
< div class = "line" > < a id = "l00588" name = "l00588" > < / a > < span class = "lineno" > 588< / span > clause.push_back(< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (p.first).< a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644" > Negated< / a > ());< / div >
< div class = "line" > < a id = "l00589" name = "l00589" > < / a > < span class = "lineno" > 589< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > ClauseConstraint< / a > (clause));< / div >
< div class = "line" > < a id = "l00590" name = "l00590" > < / a > < span class = "lineno" > 590< / span > }< / div >
< div class = "line" > < a id = "l00591" name = "l00591" > < / a > < span class = "lineno" > 591< / span > };< / div >
< div class = "line" > < a id = "l00592" name = "l00592" > < / a > < span class = "lineno" > 592< / span > }< / 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" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#ac0a34ced2e6cd6cdffe05f2d3fd7a9e8" > 594< / a > < / span > std::function< void(< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > *)> < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#ac0a34ced2e6cd6cdffe05f2d3fd7a9e8" > TransitionConstraint< / a > (< / div >
< div class = "line" > < a id = "l00595" name = "l00595" > < / a > < span class = "lineno" > 595< / span > < span class = "keyword" > const< / span > std::vector< IntegerVariable> & vars,< / div >
< div class = "line" > < a id = "l00596" name = "l00596" > < / a > < span class = "lineno" > 596< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int64_t> > & automaton, int64_t initial_state,< / div >
< div class = "line" > < a id = "l00597" name = "l00597" > < / a > < span class = "lineno" > 597< / span > < span class = "keyword" > const< / span > std::vector< int64_t> & final_states) {< / div >
< div class = "line" > < a id = "l00598" name = "l00598" > < / a > < span class = "lineno" > 598< / span > < span class = "keywordflow" > return< / span > [=](< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00599" name = "l00599" > < / a > < span class = "lineno" > 599< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> GetOrCreate< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > > ();< / div >
< div class = "line" > < a id = "l00600" name = "l00600" > < / a > < span class = "lineno" > 600< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > n = vars.size();< / div >
< div class = "line" > < a id = "l00601" name = "l00601" > < / a > < span class = "lineno" > 601< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > (n, 0) < < < span class = "stringliteral" > " No variables in TransitionConstraint()." < / span > ;< / div >
< div class = "line" > < a id = "l00602" name = "l00602" > < / a > < span class = "lineno" > 602< / span > < / div >
< div class = "line" > < a id = "l00603" name = "l00603" > < / a > < span class = "lineno" > 603< / span > < span class = "comment" > // Test precondition.< / span > < / div >
< div class = "line" > < a id = "l00604" name = "l00604" > < / a > < span class = "lineno" > 604< / span > {< / div >
< div class = "line" > < a id = "l00605" name = "l00605" > < / a > < span class = "lineno" > 605< / span > std::set< std::pair< int64_t, int64_t> > unique_transition_checker;< / div >
< div class = "line" > < a id = "l00606" name = "l00606" > < / a > < span class = "lineno" > 606< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & transition : automaton) {< / div >
< div class = "line" > < a id = "l00607" name = "l00607" > < / a > < span class = "lineno" > 607< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (transition.size(), 3);< / div >
< div class = "line" > < a id = "l00608" name = "l00608" > < / a > < span class = "lineno" > 608< / span > < span class = "keyword" > const< / span > std::pair< int64_t, int64_t> p{transition[0], transition[1]};< / div >
< div class = "line" > < a id = "l00609" name = "l00609" > < / a > < span class = "lineno" > 609< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (unique_transition_checker, p))< / div >
< div class = "line" > < a id = "l00610" name = "l00610" > < / a > < span class = "lineno" > 610< / span > < < < span class = "stringliteral" > " Duplicate outgoing transitions with value " < / span > < < transition[1]< / div >
< div class = "line" > < a id = "l00611" name = "l00611" > < / a > < span class = "lineno" > 611< / span > < < < span class = "stringliteral" > " from state " < / span > < < transition[0] < < < span class = "stringliteral" > " ." < / span > ;< / div >
< div class = "line" > < a id = "l00612" name = "l00612" > < / a > < span class = "lineno" > 612< / span > unique_transition_checker.insert(p);< / 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 > }< / div >
< div class = "line" > < a id = "l00615" name = "l00615" > < / a > < span class = "lineno" > 615< / span > < / div >
< div class = "line" > < a id = "l00616" name = "l00616" > < / a > < span class = "lineno" > 616< / span > < span class = "comment" > // Construct a table with the possible values of each vars.< / span > < / div >
< div class = "line" > < a id = "l00617" name = "l00617" > < / a > < span class = "lineno" > 617< / span > std::vector< absl::flat_hash_set< int64_t> > possible_values(n);< / div >
< div class = "line" > < a id = "l00618" name = "l00618" > < / a > < span class = "lineno" > 618< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > = 0; < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > < n; ++< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ) {< / div >
< div class = "line" > < a id = "l00619" name = "l00619" > < / a > < span class = "lineno" > 619< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > domain = integer_trail-> < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9" > InitialVariableDomain< / a > (vars[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ]);< / div >
< div class = "line" > < a id = "l00620" name = "l00620" > < / a > < span class = "lineno" > 620< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & transition : automaton) {< / div >
< div class = "line" > < a id = "l00621" name = "l00621" > < / a > < span class = "lineno" > 621< / span > < span class = "comment" > // TODO(user): quadratic algo, improve!< / span > < / div >
< div class = "line" > < a id = "l00622" name = "l00622" > < / a > < span class = "lineno" > 622< / span > < span class = "keywordflow" > if< / span > (domain.Contains(transition[1])) {< / div >
< div class = "line" > < a id = "l00623" name = "l00623" > < / a > < span class = "lineno" > 623< / span > possible_values[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ].insert(transition[1]);< / div >
< div class = "line" > < a id = "l00624" name = "l00624" > < / a > < span class = "lineno" > 624< / span > }< / 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 > }< / div >
< div class = "line" > < a id = "l00627" name = "l00627" > < / a > < span class = "lineno" > 627< / span > < / div >
< div class = "line" > < a id = "l00628" name = "l00628" > < / a > < span class = "lineno" > 628< / span > < span class = "comment" > // Compute the set of reachable state at each time point.< / span > < / div >
< div class = "line" > < a id = "l00629" name = "l00629" > < / a > < span class = "lineno" > 629< / span > std::vector< std::set< int64_t> > reachable_states(n + 1);< / div >
< div class = "line" > < a id = "l00630" name = "l00630" > < / a > < span class = "lineno" > 630< / span > reachable_states[0].insert(initial_state);< / div >
< div class = "line" > < a id = "l00631" name = "l00631" > < / a > < span class = "lineno" > 631< / span > reachable_states[n] = {final_states.begin(), final_states.end()};< / div >
< div class = "line" > < a id = "l00632" name = "l00632" > < / a > < span class = "lineno" > 632< / span > < / div >
< div class = "line" > < a id = "l00633" name = "l00633" > < / a > < span class = "lineno" > 633< / span > < span class = "comment" > // Forward.< / span > < / div >
< div class = "line" > < a id = "l00634" name = "l00634" > < / a > < span class = "lineno" > 634< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00635" name = "l00635" > < / a > < span class = "lineno" > 635< / span > < span class = "comment" > // TODO(user): filter using the domain of vars[time] that may not contain< / span > < / div >
< div class = "line" > < a id = "l00636" name = "l00636" > < / a > < span class = "lineno" > 636< / span > < span class = "comment" > // all the possible transitions.< / span > < / div >
< div class = "line" > < a id = "l00637" name = "l00637" > < / a > < span class = "lineno" > 637< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > = 0; < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > + 1 < n; ++< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ) {< / div >
< div class = "line" > < a id = "l00638" name = "l00638" > < / a > < span class = "lineno" > 638< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & transition : automaton) {< / div >
< div class = "line" > < a id = "l00639" name = "l00639" > < / a > < span class = "lineno" > 639< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], transition[0])) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00640" name = "l00640" > < / a > < span class = "lineno" > 640< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (possible_values[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], transition[1])) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00641" name = "l00641" > < / a > < span class = "lineno" > 641< / span > reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > + 1].insert(transition[2]);< / div >
< div class = "line" > < a id = "l00642" name = "l00642" > < / a > < span class = "lineno" > 642< / span > }< / div >
< div class = "line" > < a id = "l00643" name = "l00643" > < / a > < span class = "lineno" > 643< / span > }< / div >
< div class = "line" > < a id = "l00644" name = "l00644" > < / a > < span class = "lineno" > 644< / span > < / div >
< div class = "line" > < a id = "l00645" name = "l00645" > < / a > < span class = "lineno" > 645< / span > < span class = "comment" > // Backward.< / span > < / div >
< div class = "line" > < a id = "l00646" name = "l00646" > < / a > < span class = "lineno" > 646< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > = n - 1; < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > > 0; --< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ) {< / div >
< div class = "line" > < a id = "l00647" name = "l00647" > < / a > < span class = "lineno" > 647< / span > std::set< int64_t> new_set;< / div >
< div class = "line" > < a id = "l00648" name = "l00648" > < / a > < span class = "lineno" > 648< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & transition : automaton) {< / div >
< div class = "line" > < a id = "l00649" name = "l00649" > < / a > < span class = "lineno" > 649< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], transition[0])) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00650" name = "l00650" > < / a > < span class = "lineno" > 650< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (possible_values[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], transition[1])) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00651" name = "l00651" > < / a > < span class = "lineno" > 651< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > + 1], transition[2]))< / div >
< div class = "line" > < a id = "l00652" name = "l00652" > < / a > < span class = "lineno" > 652< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00653" name = "l00653" > < / a > < span class = "lineno" > 653< / span > new_set.insert(transition[0]);< / div >
< div class = "line" > < a id = "l00654" name = "l00654" > < / a > < span class = "lineno" > 654< / span > }< / div >
< div class = "line" > < a id = "l00655" name = "l00655" > < / a > < span class = "lineno" > 655< / span > reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ].swap(new_set);< / div >
< div class = "line" > < a id = "l00656" name = "l00656" > < / a > < span class = "lineno" > 656< / span > }< / div >
< div class = "line" > < a id = "l00657" name = "l00657" > < / a > < span class = "lineno" > 657< / span > < / div >
< div class = "line" > < a id = "l00658" name = "l00658" > < / a > < span class = "lineno" > 658< / span > < span class = "comment" > // We will model at each time step the current automaton state using Boolean< / span > < / div >
< div class = "line" > < a id = "l00659" name = "l00659" > < / a > < span class = "lineno" > 659< / span > < span class = "comment" > // variables. We will have n+1 time step. At time zero, we start in the< / span > < / div >
< div class = "line" > < a id = "l00660" name = "l00660" > < / a > < span class = "lineno" > 660< / span > < span class = "comment" > // initial state, and at time n we should be in one of the final states. We< / span > < / div >
< div class = "line" > < a id = "l00661" name = "l00661" > < / a > < span class = "lineno" > 661< / span > < span class = "comment" > // don' t need to create Booleans at at time when there is just one possible< / span > < / div >
< div class = "line" > < a id = "l00662" name = "l00662" > < / a > < span class = "lineno" > 662< / span > < span class = "comment" > // state (like at time zero).< / span > < / div >
< div class = "line" > < a id = "l00663" name = "l00663" > < / a > < span class = "lineno" > 663< / span > absl::flat_hash_map< IntegerValue, Literal> encoding;< / div >
< div class = "line" > < a id = "l00664" name = "l00664" > < / a > < span class = "lineno" > 664< / span > absl::flat_hash_map< IntegerValue, Literal> in_encoding;< / div >
< div class = "line" > < a id = "l00665" name = "l00665" > < / a > < span class = "lineno" > 665< / span > absl::flat_hash_map< IntegerValue, Literal> out_encoding;< / div >
< div class = "line" > < a id = "l00666" name = "l00666" > < / a > < span class = "lineno" > 666< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > = 0; < a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > < n; ++< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ) {< / div >
< div class = "line" > < a id = "l00667" name = "l00667" > < / a > < span class = "lineno" > 667< / span > < span class = "comment" > // All these vector have the same size. We will use them to enforce a< / span > < / div >
< div class = "line" > < a id = "l00668" name = "l00668" > < / a > < span class = "lineno" > 668< / span > < span class = "comment" > // local table constraint representing one step of the automaton at the< / span > < / div >
< div class = "line" > < a id = "l00669" name = "l00669" > < / a > < span class = "lineno" > 669< / span > < span class = "comment" > // given time.< / span > < / div >
< div class = "line" > < a id = "l00670" name = "l00670" > < / a > < span class = "lineno" > 670< / span > std::vector< Literal> tuple_literals;< / div >
< div class = "line" > < a id = "l00671" name = "l00671" > < / a > < span class = "lineno" > 671< / span > std::vector< IntegerValue> in_states;< / div >
< div class = "line" > < a id = "l00672" name = "l00672" > < / a > < span class = "lineno" > 672< / span > std::vector< IntegerValue> transition_values;< / div >
< div class = "line" > < a id = "l00673" name = "l00673" > < / a > < span class = "lineno" > 673< / span > std::vector< IntegerValue> out_states;< / div >
< div class = "line" > < a id = "l00674" name = "l00674" > < / a > < span class = "lineno" > 674< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64_t> & transition : automaton) {< / div >
< div class = "line" > < a id = "l00675" name = "l00675" > < / a > < span class = "lineno" > 675< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], transition[0])) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00676" name = "l00676" > < / a > < span class = "lineno" > 676< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (possible_values[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], transition[1])) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00677" name = "l00677" > < / a > < span class = "lineno" > 677< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (reachable_states[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > + 1], transition[2]))< / div >
< div class = "line" > < a id = "l00678" name = "l00678" > < / a > < span class = "lineno" > 678< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00679" name = "l00679" > < / a > < span class = "lineno" > 679< / span > < / div >
< div class = "line" > < a id = "l00680" name = "l00680" > < / a > < span class = "lineno" > 680< / span > < span class = "comment" > // TODO(user): if this transition correspond to just one in-state or< / span > < / div >
< div class = "line" > < a id = "l00681" name = "l00681" > < / a > < span class = "lineno" > 681< / span > < span class = "comment" > // one-out state or one variable value, we could reuse the corresponding< / span > < / div >
< div class = "line" > < a id = "l00682" name = "l00682" > < / a > < span class = "lineno" > 682< / span > < span class = "comment" > // Boolean variable instead of creating a new one!< / span > < / div >
< div class = "line" > < a id = "l00683" name = "l00683" > < / a > < span class = "lineno" > 683< / span > tuple_literals.push_back(< / div >
< div class = "line" > < a id = "l00684" name = "l00684" > < / a > < span class = "lineno" > 684< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3cb95842130bc03177260ad20464bdbf" > NewBooleanVariable< / a > ()), < span class = "keyword" > true< / span > ));< / div >
< div class = "line" > < a id = "l00685" name = "l00685" > < / a > < span class = "lineno" > 685< / span > in_states.push_back(IntegerValue(transition[0]));< / div >
< div class = "line" > < a id = "l00686" name = "l00686" > < / a > < span class = "lineno" > 686< / span > < / div >
< div class = "line" > < a id = "l00687" name = "l00687" > < / a > < span class = "lineno" > 687< / span > transition_values.push_back(IntegerValue(transition[1]));< / div >
< div class = "line" > < a id = "l00688" name = "l00688" > < / a > < span class = "lineno" > 688< / span > < / div >
< div class = "line" > < a id = "l00689" name = "l00689" > < / a > < span class = "lineno" > 689< / span > < span class = "comment" > // On the last step we don' t need to distinguish the output states, so< / span > < / div >
< div class = "line" > < a id = "l00690" name = "l00690" > < / a > < span class = "lineno" > 690< / span > < span class = "comment" > // we use zero.< / span > < / div >
< div class = "line" > < a id = "l00691" name = "l00691" > < / a > < span class = "lineno" > 691< / span > out_states.push_back(< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > + 1 == n ? IntegerValue(0)< / div >
< div class = "line" > < a id = "l00692" name = "l00692" > < / a > < span class = "lineno" > 692< / span > : IntegerValue(transition[2]));< / div >
< div class = "line" > < a id = "l00693" name = "l00693" > < / a > < span class = "lineno" > 693< / span > }< / div >
< div class = "line" > < a id = "l00694" name = "l00694" > < / a > < span class = "lineno" > 694< / span > < / div >
< div class = "line" > < a id = "l00695" name = "l00695" > < / a > < span class = "lineno" > 695< / span > < span class = "comment" > // Fully instantiate vars[time].< / span > < / div >
< div class = "line" > < a id = "l00696" name = "l00696" > < / a > < span class = "lineno" > 696< / span > < span class = "comment" > // Tricky: because we started adding constraints that can propagate, the< / span > < / div >
< div class = "line" > < a id = "l00697" name = "l00697" > < / a > < span class = "lineno" > 697< / span > < span class = "comment" > // possible values returned by encoding might not contains all the value< / span > < / div >
< div class = "line" > < a id = "l00698" name = "l00698" > < / a > < span class = "lineno" > 698< / span > < span class = "comment" > // computed in transition_values.< / span > < / div >
< div class = "line" > < a id = "l00699" name = "l00699" > < / a > < span class = "lineno" > 699< / span > {< / div >
< div class = "line" > < a id = "l00700" name = "l00700" > < / a > < span class = "lineno" > 700< / span > std::vector< IntegerValue> s = transition_values;< / div >
< div class = "line" > < a id = "l00701" name = "l00701" > < / a > < span class = "lineno" > 701< / span > < a class = "code hl_function" href = "namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d" > gtl::STLSortAndRemoveDuplicates< / a > (& s);< / div >
< div class = "line" > < a id = "l00702" name = "l00702" > < / a > < span class = "lineno" > 702< / span > < / div >
< div class = "line" > < a id = "l00703" name = "l00703" > < / a > < span class = "lineno" > 703< / span > encoding.clear();< / div >
< div class = "line" > < a id = "l00704" name = "l00704" > < / a > < span class = "lineno" > 704< / span > < span class = "keywordflow" > if< / span > (s.size() > 1) {< / div >
< div class = "line" > < a id = "l00705" name = "l00705" > < / a > < span class = "lineno" > 705< / span > std::vector< int64_t> values;< / div >
< div class = "line" > < a id = "l00706" name = "l00706" > < / a > < span class = "lineno" > 706< / span > values.reserve(s.size());< / div >
< div class = "line" > < a id = "l00707" name = "l00707" > < / a > < span class = "lineno" > 707< / span > < span class = "keywordflow" > for< / span > (IntegerValue v : s) values.push_back(v.value());< / div >
< div class = "line" > < a id = "l00708" name = "l00708" > < / a > < span class = "lineno" > 708< / span > integer_trail-> < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485" > UpdateInitialDomain< / a > (vars[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ],< / div >
< div class = "line" > < a id = "l00709" name = "l00709" > < / a > < span class = "lineno" > 709< / span > < a class = "code hl_function" href = "classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb" > Domain::FromValues< / a > (values));< / div >
< div class = "line" > < a id = "l00710" name = "l00710" > < / a > < span class = "lineno" > 710< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#ae282013f2321b5817fd61ad9e705e446" > FullyEncodeVariable< / a > (vars[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ]));< / div >
< div class = "line" > < a id = "l00711" name = "l00711" > < / a > < span class = "lineno" > 711< / span > encoding = GetEncoding(vars[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00712" name = "l00712" > < / a > < span class = "lineno" > 712< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00713" name = "l00713" > < / a > < span class = "lineno" > 713< / span > < span class = "comment" > // Fix vars[time] to its unique possible value.< / span > < / div >
< div class = "line" > < a id = "l00714" name = "l00714" > < / a > < span class = "lineno" > 714< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (s.size(), 1);< / div >
< div class = "line" > < a id = "l00715" name = "l00715" > < / a > < span class = "lineno" > 715< / span > < span class = "keyword" > const< / span > int64_t unique_value = s.begin()-> value();< / div >
< div class = "line" > < a id = "l00716" name = "l00716" > < / a > < span class = "lineno" > 716< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3f35d207f7fbd9abc30ced851352b069" > LowerOrEqual< / a > (vars[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], unique_value));< / div >
< div class = "line" > < a id = "l00717" name = "l00717" > < / a > < span class = "lineno" > 717< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#ab3ba1ab2a4a6cdc0ea4324d409ddbe7e" > GreaterOrEqual< / a > (vars[< a class = "code hl_variable" href = "resource_8cc.html#aee52de7b225665566aa47246b9d6b8fa" > time< / a > ], unique_value));< / div >
< div class = "line" > < a id = "l00718" name = "l00718" > < / a > < span class = "lineno" > 718< / span > }< / div >
< div class = "line" > < a id = "l00719" name = "l00719" > < / a > < span class = "lineno" > 719< / span > }< / div >
< div class = "line" > < a id = "l00720" name = "l00720" > < / a > < span class = "lineno" > 720< / span > < / div >
< div class = "line" > < a id = "l00721" name = "l00721" > < / a > < span class = "lineno" > 721< / span > < span class = "comment" > // For each possible out states, create one Boolean variable.< / span > < / div >
< div class = "line" > < a id = "l00722" name = "l00722" > < / a > < span class = "lineno" > 722< / span > {< / div >
< div class = "line" > < a id = "l00723" name = "l00723" > < / a > < span class = "lineno" > 723< / span > std::vector< IntegerValue> s = out_states;< / div >
< div class = "line" > < a id = "l00724" name = "l00724" > < / a > < span class = "lineno" > 724< / span > < a class = "code hl_function" href = "namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d" > gtl::STLSortAndRemoveDuplicates< / a > (& s);< / div >
< div class = "line" > < a id = "l00725" name = "l00725" > < / a > < span class = "lineno" > 725< / span > < / div >
< div class = "line" > < a id = "l00726" name = "l00726" > < / a > < span class = "lineno" > 726< / span > out_encoding.clear();< / div >
< div class = "line" > < a id = "l00727" name = "l00727" > < / a > < span class = "lineno" > 727< / span > < span class = "keywordflow" > if< / span > (s.size() == 2) {< / div >
< div class = "line" > < a id = "l00728" name = "l00728" > < / a > < span class = "lineno" > 728< / span > < span class = "keyword" > const< / span > BooleanVariable < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3cb95842130bc03177260ad20464bdbf" > NewBooleanVariable< / a > ());< / div >
< div class = "line" > < a id = "l00729" name = "l00729" > < / a > < span class = "lineno" > 729< / span > out_encoding[s.front()] = < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00730" name = "l00730" > < / a > < span class = "lineno" > 730< / span > out_encoding[s.back()] = < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00731" name = "l00731" > < / a > < span class = "lineno" > 731< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (s.size() > 1) {< / div >
< div class = "line" > < a id = "l00732" name = "l00732" > < / a > < span class = "lineno" > 732< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > IntegerValue state : s) {< / div >
< div class = "line" > < a id = "l00733" name = "l00733" > < / a > < span class = "lineno" > 733< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > l = < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > -> Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3cb95842130bc03177260ad20464bdbf" > NewBooleanVariable< / a > ()), < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00734" name = "l00734" > < / a > < span class = "lineno" > 734< / span > out_encoding[state] = l;< / div >
< div class = "line" > < a id = "l00735" name = "l00735" > < / a > < span class = "lineno" > 735< / span > }< / div >
< div class = "line" > < a id = "l00736" name = "l00736" > < / a > < span class = "lineno" > 736< / span > }< / div >
< div class = "line" > < a id = "l00737" name = "l00737" > < / a > < span class = "lineno" > 737< / span > }< / div >
< div class = "line" > < a id = "l00738" name = "l00738" > < / a > < span class = "lineno" > 738< / span > < / div >
< div class = "line" > < a id = "l00739" name = "l00739" > < / a > < span class = "lineno" > 739< / span > < span class = "comment" > // Now we link everything together.< / span > < / div >
< div class = "line" > < a id = "l00740" name = "l00740" > < / a > < span class = "lineno" > 740< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00741" name = "l00741" > < / a > < span class = "lineno" > 741< / span > < span class = "comment" > // Note that we do not need the ExactlyOneConstraint(tuple_literals)< / span > < / div >
< div class = "line" > < a id = "l00742" name = "l00742" > < / a > < span class = "lineno" > 742< / span > < span class = "comment" > // because it is already implicitely encoded since we have exactly one< / span > < / div >
< div class = "line" > < a id = "l00743" name = "l00743" > < / a > < span class = "lineno" > 743< / span > < span class = "comment" > // transition value.< / span > < / div >
< div class = "line" > < a id = "l00744" name = "l00744" > < / a > < span class = "lineno" > 744< / span > < span class = "keywordflow" > if< / span > (!in_encoding.empty()) {< / div >
< div class = "line" > < a id = "l00745" name = "l00745" > < / a > < span class = "lineno" > 745< / span > ProcessOneColumn(tuple_literals, in_states, in_encoding, {}, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00746" name = "l00746" > < / a > < span class = "lineno" > 746< / span > }< / div >
< div class = "line" > < a id = "l00747" name = "l00747" > < / a > < span class = "lineno" > 747< / span > < span class = "keywordflow" > if< / span > (!encoding.empty()) {< / div >
< div class = "line" > < a id = "l00748" name = "l00748" > < / a > < span class = "lineno" > 748< / span > ProcessOneColumn(tuple_literals, transition_values, encoding, {},< / div >
< div class = "line" > < a id = "l00749" name = "l00749" > < / a > < span class = "lineno" > 749< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00750" name = "l00750" > < / a > < span class = "lineno" > 750< / span > }< / div >
< div class = "line" > < a id = "l00751" name = "l00751" > < / a > < span class = "lineno" > 751< / span > < span class = "keywordflow" > if< / span > (!out_encoding.empty()) {< / div >
< div class = "line" > < a id = "l00752" name = "l00752" > < / a > < span class = "lineno" > 752< / span > ProcessOneColumn(tuple_literals, out_states, out_encoding, {}, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00753" name = "l00753" > < / a > < span class = "lineno" > 753< / span > }< / div >
< div class = "line" > < a id = "l00754" name = "l00754" > < / a > < span class = "lineno" > 754< / span > in_encoding = out_encoding;< / div >
< div class = "line" > < a id = "l00755" name = "l00755" > < / a > < span class = "lineno" > 755< / span > }< / div >
< div class = "line" > < a id = "l00756" name = "l00756" > < / a > < span class = "lineno" > 756< / span > };< / div >
< div class = "line" > < a id = "l00757" name = "l00757" > < / a > < span class = "lineno" > 757< / span > }< / div >
< div class = "line" > < a id = "l00758" name = "l00758" > < / a > < span class = "lineno" > 758< / span > < / div >
< div class = "line" > < a id = "l00759" name = "l00759" > < / a > < span class = "lineno" > 759< / span > } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a id = "l00760" name = "l00760" > < / a > < span class = "lineno" > 760< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > min< / a > < / div > < div class = "ttdeci" > int64_t min< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00139" > alldiff_cst.cc:139< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274" > < div class = "ttname" > < a href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > < / div > < div class = "ttdeci" > #define CHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00491" > base/logging.h:491< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > < / div > < div class = "ttdeci" > #define CHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00698" > base/logging.h:698< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7e03ec13560fa94a8fea569960d7efc6" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > < / div > < div class = "ttdeci" > #define CHECK_GT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00703" > base/logging.h:703< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927" > < div class = "ttname" > < a href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > < / div > < div class = "ttdeci" > #define VLOG(verboselevel)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00979" > base/logging.h:979< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_domain_html_a22c6c2f121586b5d76feb4b0e536dfde" > < div class = "ttname" > < a href = "classoperations__research_1_1_domain.html#a22c6c2f121586b5d76feb4b0e536dfde" > operations_research::Domain::Contains< / a > < / div > < div class = "ttdeci" > bool Contains(int64_t value) const< / div > < div class = "ttdoc" > Returns true iff value is in Domain.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sorted__interval__list_8cc_source.html#l00236" > sorted_interval_list.cc:236< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_domain_html_ac2d88de67793063ad5f5e923ffd1c0eb" > < div class = "ttname" > < a href = "classoperations__research_1_1_domain.html#ac2d88de67793063ad5f5e923ffd1c0eb" > operations_research::Domain::FromValues< / a > < / div > < div class = "ttdeci" > static Domain FromValues(std::vector< int64_t > values)< / div > < div class = "ttdoc" > Creates a domain from the union of an unsorted list of integer values.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sorted__interval__list_8cc_source.html#l00138" > sorted_interval_list.cc:138< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_encoder_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_encoder.html" > operations_research::sat::IntegerEncoder< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00306" > integer.h:306< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html" > operations_research::sat::IntegerTrail< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00574" > integer.h:574< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html_af4303d31360f06c50729f156b1fbc2a9" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html#af4303d31360f06c50729f156b1fbc2a9" > operations_research::sat::IntegerTrail::InitialVariableDomain< / a > < / div > < div class = "ttdeci" > const Domain & InitialVariableDomain(IntegerVariable var) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8cc_source.html#l00682" > integer.cc:682< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html_af931801f592e954a6623cab8cf9a4485" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html#af931801f592e954a6623cab8cf9a4485" > operations_research::sat::IntegerTrail::UpdateInitialDomain< / a > < / div > < div class = "ttdeci" > bool UpdateInitialDomain(IntegerVariable var, Domain domain)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8cc_source.html#l00686" > integer.cc:686< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_literal_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html" > operations_research::sat::Literal< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00065" > sat_base.h:65< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_literal_html_a886e9c024f7209181c0a850b6e90c644" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644" > operations_research::sat::Literal::Negated< / a > < / div > < div class = "ttdeci" > Literal Negated() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00092" > sat_base.h:92< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model.html" > operations_research::sat::Model< / a > < / div > < div class = "ttdoc" > Class that owns everything related to a particular optimization model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2model_8h_source.html#l00038" > sat/model.h:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html" > operations_research::sat::SatSolver< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00058" > sat_solver.h:58< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
< div class = "ttc" id = "agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf" > < div class = "ttname" > < a href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > < / div > < div class = "ttdeci" > GRBmodel * model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gurobi__interface_8cc_source.html#l00273" > gurobi_interface.cc:273< / a > < / div > < / div >
< div class = "ttc" id = "aint__type_8h_html" > < div class = "ttname" > < a href = "int__type_8h.html" > int_type.h< / a > < / div > < / div >
< div class = "ttc" id = "amap__util_8h_html" > < div class = "ttname" > < a href = "map__util_8h.html" > map_util.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_a288a1dc92da5d3ad62d4bc4cec9e8b1d" > < div class = "ttname" > < a href = "namespacegtl.html#a288a1dc92da5d3ad62d4bc4cec9e8b1d" > gtl::STLSortAndRemoveDuplicates< / a > < / div > < div class = "ttdeci" > void STLSortAndRemoveDuplicates(T *v, const LessFunc & less_func)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stl__util_8h_source.html#l00058" > stl_util.h:58< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_a73f41ac11336b94768fdd41594153d59" > < div class = "ttname" > < a href = "namespacegtl.html#a73f41ac11336b94768fdd41594153d59" > gtl::FindOrDie< / a > < / div > < div class = "ttdeci" > const Collection::value_type::second_type & FindOrDie(const Collection & collection, const typename Collection::value_type::first_type & key)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00206" > map_util.h:206< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_aae28e97bd1fa93cb0032642550da7455" > < div class = "ttname" > < a href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > < / div > < div class = "ttdeci" > bool ContainsKey(const Collection & collection, const Key & key)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00200" > map_util.h:200< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1math__opt_html_a5de89a1f6e3f80a49a0d76136d8044e2" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > operations_research::math_opt::swap< / a > < / div > < div class = "ttdeci" > void swap(IdMap< K, V > & a, IdMap< K, V > & b)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "id__map_8h_source.html#l00263" > id_map.h:263< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a15784ff0c35105c45925c9fbe29121d1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a15784ff0c35105c45925c9fbe29121d1" > operations_research::sat::AddTableConstraint< / a > < / div > < div class = "ttdeci" > void AddTableConstraint(absl::Span< const IntegerVariable > vars, std::vector< std::vector< int64_t > > tuples, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2table_8cc_source.html#l00250" > sat/table.cc:250< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a37093a0df3cca500d5f58b1d5482bdc6" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a37093a0df3cca500d5f58b1d5482bdc6" > operations_research::sat::ClauseConstraint< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> ClauseConstraint(absl::Span< const Literal > literals)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00906" > sat_solver.h:906< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a37b0e14e8d3650d11ce21a6b8d0a03ab" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a37b0e14e8d3650d11ce21a6b8d0a03ab" > operations_research::sat::LiteralTableConstraint< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> LiteralTableConstraint(const std::vector< std::vector< Literal > > & literal_tuples, const std::vector< Literal > & line_literals)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2table_8cc_source.html#l00547" > sat/table.cc:547< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3ad49ae9019c528851f6fd084479a567" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3ad49ae9019c528851f6fd084479a567" > operations_research::sat::LowerBound< / a > < / div > < div class = "ttdeci" > std::function< int64_t(const Model & )> LowerBound(IntegerVariable v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01524" > integer.h:1524< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3cb95842130bc03177260ad20464bdbf" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3cb95842130bc03177260ad20464bdbf" > operations_research::sat::NewBooleanVariable< / a > < / div > < div class = "ttdeci" > std::function< BooleanVariable(Model *)> NewBooleanVariable()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01469" > integer.h:1469< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3e5f39b52251ad02e571592493b4d39f" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3e5f39b52251ad02e571592493b4d39f" > operations_research::sat::CompressTuples< / a > < / div > < div class = "ttdeci" > void CompressTuples(absl::Span< const int64_t > domain_sizes, int64_t any_value, std::vector< std::vector< int64_t > > *tuples)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2util_8cc_source.html#l00113" > sat/util.cc:113< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3f35d207f7fbd9abc30ced851352b069" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3f35d207f7fbd9abc30ced851352b069" > operations_research::sat::LowerOrEqual< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> LowerOrEqual(IntegerVariable v, int64_t ub)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01567" > integer.h:1567< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a6e056f4efb99b080ae5bdb7267339f59" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a6e056f4efb99b080ae5bdb7267339f59" > operations_research::sat::Implication< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> Implication(const std::vector< Literal > & enforcement_literals, IntegerLiteral i)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01595" > integer.h:1595< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a77234dab48516b8bceef7fbf4744bba1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a77234dab48516b8bceef7fbf4744bba1" > operations_research::sat::AddNegatedTableConstraint< / a > < / div > < div class = "ttdeci" > void AddNegatedTableConstraint(absl::Span< const IntegerVariable > vars, std::vector< std::vector< int64_t > > tuples, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2table_8cc_source.html#l00460" > sat/table.cc:460< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a9e815eb2193f1bb6903274c7f0859cd7" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a9e815eb2193f1bb6903274c7f0859cd7" > operations_research::sat::UpperBound< / a > < / div > < div class = "ttdeci" > std::function< int64_t(const Model & )> UpperBound(IntegerVariable v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01530" > integer.h:1530< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ab3ba1ab2a4a6cdc0ea4324d409ddbe7e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ab3ba1ab2a4a6cdc0ea4324d409ddbe7e" > operations_research::sat::GreaterOrEqual< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> GreaterOrEqual(IntegerVariable v, int64_t lb)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01552" > integer.h:1552< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ac0a34ced2e6cd6cdffe05f2d3fd7a9e8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ac0a34ced2e6cd6cdffe05f2d3fd7a9e8" > operations_research::sat::TransitionConstraint< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> TransitionConstraint(const std::vector< IntegerVariable > & vars, const std::vector< std::vector< int64_t > > & automaton, int64_t initial_state, const std::vector< int64_t > & final_states)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2table_8cc_source.html#l00594" > sat/table.cc:594< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_accfda9e32067da0a88da8e325cf39c7c" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#accfda9e32067da0a88da8e325cf39c7c" > operations_research::sat::ExactlyOneConstraint< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> ExactlyOneConstraint(const std::vector< Literal > & literals)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00878" > sat_solver.h:878< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ae282013f2321b5817fd61ad9e705e446" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ae282013f2321b5817fd61ad9e705e446" > operations_research::sat::FullyEncodeVariable< / a > < / div > < div class = "ttdeci" > std::function< std::vector< IntegerEncoder::ValueLiteralPair > (Model *)> FullyEncodeVariable(IntegerVariable var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01645" > integer.h:1645< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aa64bf49d041052c7cb3f40f7496d7534" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534" > operations_research::CapProd< / a > < / div > < div class = "ttdeci" > int64_t CapProd(int64_t x, int64_t y)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "saturated__arithmetic_8h_source.html#l00233" > saturated_arithmetic.h:233< / a > < / div > < / div >
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< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html_a3e2eb445631727dd4abf1d5343f16b2f" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f" > operations_research::sat::IntegerLiteral::LowerOrEqual< / a > < / div > < div class = "ttdeci" > static IntegerLiteral LowerOrEqual(IntegerVariable i, IntegerValue bound)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01315" > integer.h:1315< / a > < / div > < / div >
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