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< a href = "circuit_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_SAT_CIRCUIT_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_SAT_CIRCUIT_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < functional> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < memory> < / span > < / div >
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< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < utility> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #include " absl/container/btree_set.h" < / 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 " < a class = "code" href = "integral__types_8h.html" > ortools/base/integral_types.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / 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 = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #include " < a class = "code" href = "macros_8h.html" > ortools/base/macros.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "preprocessor" > #include " < a class = "code" href = "integer_8h.html" > ortools/sat/integer.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 = "sat_2model_8h.html" > ortools/sat/model.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 = "sat__base_8h.html" > ortools/sat/sat_base.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 = "rev_8h.html" > ortools/util/rev.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 = "strong__integers_8h.html" > ortools/util/strong_integers.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "keyword" > namespace < / span > sat {< / 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 = "comment" > // Circuit/sub-circuit constraint.< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "comment" > // Nodes that are not in the unique allowed sub-circuit must point to themseves.< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "comment" > // A nodes that has no self-arc must thus be inside the sub-circuit. If there is< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // no self-arc at all, then this constaint forces the circuit to go through all< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // the nodes. Multi-arcs are NOT supported.< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "comment" > // Important: for correctness, this constraint requires that " exactly one" < / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "comment" > // constraints have been added for all the incoming (resp. outgoing) arcs of< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // each node. Also, such constraint must propagate before this one.< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html" > 46< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html" > CircuitPropagator< / a > : < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_propagator_interface.html" > PropagatorInterface< / a > , < a class = "code hl_class" href = "classoperations__research_1_1_reversible_interface.html" > ReversibleInterface< / a > {< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html" > 48< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html" > Options< / a > {< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "comment" > // Hack for the VRP to allow for more than one sub-circuit and forces all< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "comment" > // the subcircuits to go through the node zero.< / span > < / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html#af1123baeaa5412b68d37d8adf43ccb7c" > 51< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_variable" href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html#af1123baeaa5412b68d37d8adf43ccb7c" > multiple_subcircuit_through_zero< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > };< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // The constraints take a sparse representation of a graph on [0, n). Each arc< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // being present when the given literal is true.< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#ab724d1b4067da7ec830cb4d1b8284ee7" > CircuitPropagator< / a > (< span class = "keywordtype" > int< / span > num_nodes, < span class = "keyword" > const< / span > std::vector< int> & tails,< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keyword" > const< / span > std::vector< int> & heads,< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keyword" > const< / span > std::vector< Literal> & literals, < a class = "code hl_struct" href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html" > Options< / a > options,< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / 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 = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#a176d2c659864433ccd869b5fba8d57af" > SetLevel< / a > (< span class = "keywordtype" > int< / span > level) < span class = "keyword" > final< / span > ;< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e" > Propagate< / a > () final;< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#a45321337f970685d9847db005c4b3de1" > IncrementalPropagate< / a > (const < a class = "code hl_namespace" href = "namespacestd.html" > std< / a > ::vector< < span class = "keywordtype" > int< / span > > & watch_indices) final;< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736" > RegisterWith< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_generic_literal_watcher.html" > GenericLiteralWatcher< / a > * watcher);< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > private:< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "comment" > // Updates the structures when the given arc is added to the paths.< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "keywordtype" > void< / span > AddArc(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , LiteralIndex literal_index);< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "comment" > // Clears and fills reason with the literals of the arcs that form a path from< / span > < / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "comment" > // the given node. The path can be a cycle, but in this case it must end at< / span > < / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "comment" > // start (not like a rho shape).< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "keywordtype" > void< / span > FillReasonForPath(< span class = "keywordtype" > int< / span > start_node, < a class = "code hl_namespace" href = "namespacestd.html" > std< / a > ::vector< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > > * reason) const;< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > const < span class = "keywordtype" > int< / span > num_nodes_;< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > const < a class = "code hl_struct" href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html" > Options< / a > options_;< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > * trail_;< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > const < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_variables_assignment.html" > VariablesAssignment< / a > & assignment_;< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < span class = "comment" > // We use this to query in O(1) for an arc existence. The self-arcs are< / span > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "comment" > // accessed often, so we use a more efficient std::vector< > for them. Note< / span > < / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "comment" > // that we do not add self-arcs to graph_.< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "comment" > // TODO(user): for large dense graph, using a matrix is faster and uses less< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "comment" > // memory. If the need arise we can have the two implementations.< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < a class = "code hl_namespace" href = "namespacestd.html" > std< / a > ::vector< < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > > self_arcs_;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < a class = "code hl_namespace" href = "namespaceabsl.html" > absl< / a > ::flat_hash_map< < a class = "code hl_namespace" href = "namespacestd.html" > std< / a > ::pair< < span class = "keywordtype" > int< / span > , < span class = "keywordtype" > int< / span > > , < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_literal.html" > Literal< / a > > graph_;< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "comment" > // Data used to interpret the watch indices passed to IncrementalPropagate().< / span > < / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > struct < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > {< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ;< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ;< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > };< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > std::vector< Literal> watch_index_to_literal_;< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > std::vector< std::vector< Arc> > watch_index_to_arcs_;< / 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" > // Index in trail_ up to which we propagated all the assigned Literals.< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keywordtype" > int< / span > propagation_trail_index_ = 0;< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > // Current partial chains of arc that are present.< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > std::vector< int> next_; < span class = "comment" > // -1 if not assigned yet.< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > std::vector< int> prev_; < span class = "comment" > // -1 if not assigned yet.< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > std::vector< LiteralIndex> next_literal_;< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "comment" > // Backtrack support for the partial chains of arcs, level_ends_[level] is an< / span > < / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "comment" > // index in added_arcs_;< / span > < / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > std::vector< int> level_ends_;< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > std::vector< Arc> added_arcs_;< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "comment" > // Reversible list of node that must be in a cycle. A node must be in a cycle< / span > < / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "comment" > // iff self_arcs_[node] is false. This graph entry can be used as a reason.< / span > < / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "keywordtype" > int< / span > rev_must_be_in_cycle_size_ = 0;< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > std::vector< int> must_be_in_cycle_;< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "comment" > // Temporary vectors.< / span > < / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > std::vector< bool> processed_;< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > std::vector< bool> in_current_path_;< / 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 > DISALLOW_COPY_AND_ASSIGN(< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_circuit_propagator.html" > CircuitPropagator< / a > );< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / 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 > < span class = "comment" > // This constraint ensures that the graph is a covering of all nodes by< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < span class = "comment" > // circuits and loops, such that all circuits contain exactly one distinguished< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "comment" > // node. Those distinguished nodes are meant to be depots.< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "comment" > // This constraint does not need ExactlyOnePerRowAndPerColumn() to be correct,< / span > < / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "comment" > // but it does not propagate degree deductions (only fails if a node has more< / span > < / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "comment" > // than one outgoing arc or more than one incoming arc), so that adding< / span > < / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "comment" > // ExactlyOnePerRowAndPerColumn() should work better.< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < span class = "comment" > // TODO(user): Make distinguished nodes an array of Boolean variables,< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "comment" > // so this can be used for facility location problems.< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html" > 133< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html" > CircuitCoveringPropagator< / a > : < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_propagator_interface.html" > PropagatorInterface< / a > , < a class = "code hl_class" href = "classoperations__research_1_1_reversible_interface.html" > ReversibleInterface< / a > {< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a23247af46794e2b13e7ff3018a48800d" > CircuitCoveringPropagator< / a > (std::vector< std::vector< Literal> > graph,< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < span class = "keyword" > const< / span > std::vector< int> & distinguished_nodes,< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / 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 = "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" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a176d2c659864433ccd869b5fba8d57af" > SetLevel< / a > (< span class = "keywordtype" > int< / span > level) < span class = "keyword" > final< / span > ;< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e" > Propagate< / a > () < span class = "keyword" > final< / span > ;< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a45321337f970685d9847db005c4b3de1" > IncrementalPropagate< / a > (< span class = "keyword" > const< / span > std::vector< int> & watch_indices) < span class = "keyword" > final< / span > ;< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736" > RegisterWith< / a > (< a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_generic_literal_watcher.html" > GenericLiteralWatcher< / a > * watcher);< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "comment" > // Adds all literals on the path/circuit from tail to head in the graph of< / span > < / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < span class = "comment" > // literals set to true.< / span > < / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "comment" > // next_[i] should be filled with a node j s.t. graph_[i][j] is true, or -1.< / span > < / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "keywordtype" > void< / span > FillFixedPathInReason(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe" > start< / a > , < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > , std::vector< Literal> * reason);< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < span class = "comment" > // Input data.< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "keyword" > const< / span > std::vector< std::vector< Literal> > graph_;< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes_;< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > std::vector< bool> node_is_distinguished_;< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < span class = "comment" > // SAT incremental state.< / span > < / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < a class = "code hl_class" href = "classoperations__research_1_1sat_1_1_trail.html" > Trail< / a > * trail_;< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > std::vector< std::pair< int, int> > watch_index_to_arc_;< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > std::vector< std::pair< int, int> > fixed_arcs_;< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > std::vector< int> level_ends_;< / 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 > < span class = "comment" > // Used in Propagate() to represent paths and circuits.< / span > < / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > std::vector< int> next_;< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > std::vector< int> prev_;< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > std::vector< bool> visited_;< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > };< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "comment" > // Changes the node indices so that we get a graph in [0, num_nodes) where every< / span > < / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < span class = "comment" > // node has at least one incoming or outgoing arc. Returns the number of nodes.< / span > < / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > IntContainer> < / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a8f4f9889ab3527ce5381ed32e2fae25a" > 170< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a8f4f9889ab3527ce5381ed32e2fae25a" > ReindexArcs< / a > (IntContainer* tails, IntContainer* heads) {< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_arcs = tails-> size();< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "keywordflow" > if< / span > (num_arcs == 0) < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < span class = "comment" > // Put all nodes in a set.< / span > < / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > absl::btree_set< int> < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > ;< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = 0; < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > < num_arcs; ++< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ) {< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > .insert((*tails)[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ]);< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > .insert((*heads)[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ]);< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > }< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < span class = "comment" > // Compute the new indices while keeping a stable order.< / span > < / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "keywordtype" > int< / span > new_index = 0;< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > absl::flat_hash_map< int, int> mapping;< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > node : < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > ) {< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > mapping[node] = new_index++;< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > }< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < span class = "comment" > // Remap the arcs.< / span > < / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = 0; < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > < num_arcs; ++< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ) {< / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > (*tails)[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ] = mapping[(*tails)[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ]];< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > (*heads)[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ] = mapping[(*heads)[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ]];< / 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 = "keywordflow" > return< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > .size();< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > }< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < / div >
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< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > < span class = "comment" > // ============================================================================< / span > < / div >
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< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < span class = "comment" > // Model based functions.< / span > < / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "comment" > // ============================================================================< / 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" > // This just wraps CircuitPropagator. See the comment there to see what this< / span > < / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < span class = "comment" > // does. Note that any nodes with no outoing or no incoming arc will cause the< / span > < / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < span class = "comment" > // problem to be UNSAT. One can call ReindexArcs() first to ignore such nodes.< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > std::function< void(Model*)> < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a3c25e2ace66c05a1078d9d8128ca33c3" > SubcircuitConstraint< / a > (< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < span class = "keywordtype" > int< / span > num_nodes, < span class = "keyword" > const< / span > std::vector< int> & tails, < span class = "keyword" > const< / span > std::vector< int> & heads,< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keyword" > const< / span > std::vector< Literal> & literals,< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < span class = "keywordtype" > bool< / span > multiple_subcircuit_through_zero = < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "comment" > // TODO(user): Change to a sparse API like for the function above.< / span > < / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > std::function< void(Model*)> < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a56eb4b0de637f0345f0062c3a32489fa" > ExactlyOnePerRowAndPerColumn< / a > (< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "keyword" > const< / span > std::vector< std::vector< Literal> > & graph);< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > std::function< void(Model*)> < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a438f7ec8890517aa946e815414b6c10e" > CircuitCovering< / a > (< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "keyword" > const< / span > std::vector< std::vector< Literal> > & graph,< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keyword" > const< / span > std::vector< int> & distinguished_nodes);< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > } < span class = "comment" > // namespace operations_research< / span > < / 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 = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_SAT_CIRCUIT_H_< / span > < / div >
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< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_reversible_interface_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_reversible_interface.html" > operations_research::ReversibleInterface< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "rev_8h_source.html#l00029" > rev.h:29< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html" > operations_research::sat::CircuitCoveringPropagator< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8h_source.html#l00133" > circuit.h:133< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a176d2c659864433ccd869b5fba8d57af" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a176d2c659864433ccd869b5fba8d57af" > operations_research::sat::CircuitCoveringPropagator::SetLevel< / a > < / div > < div class = "ttdeci" > void SetLevel(int level) final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00376" > circuit.cc:376< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a23247af46794e2b13e7ff3018a48800d" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a23247af46794e2b13e7ff3018a48800d" > operations_research::sat::CircuitCoveringPropagator::CircuitCoveringPropagator< / a > < / div > < div class = "ttdeci" > CircuitCoveringPropagator(std::vector< std::vector< Literal > > graph, const std::vector< int > & distinguished_nodes, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00344" > circuit.cc:344< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a45321337f970685d9847db005c4b3de1" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a45321337f970685d9847db005c4b3de1" > operations_research::sat::CircuitCoveringPropagator::IncrementalPropagate< / a > < / div > < div class = "ttdeci" > bool IncrementalPropagate(const std::vector< int > & watch_indices) final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00389" > circuit.cc:389< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_a6ee8ed57254aec3ae99d399bae5b3736" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736" > operations_research::sat::CircuitCoveringPropagator::RegisterWith< / a > < / div > < div class = "ttdeci" > void RegisterWith(GenericLiteralWatcher *watcher)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00356" > circuit.cc:356< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_covering_propagator_html_ac1fe9b1f2b978c4283e42f12e586eb1e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_covering_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e" > operations_research::sat::CircuitCoveringPropagator::Propagate< / a > < / div > < div class = "ttdeci" > bool Propagate() final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00410" > circuit.cc:410< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_propagator_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_propagator.html" > operations_research::sat::CircuitPropagator< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8h_source.html#l00046" > circuit.h:46< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_propagator_html_a176d2c659864433ccd869b5fba8d57af" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#a176d2c659864433ccd869b5fba8d57af" > operations_research::sat::CircuitPropagator::SetLevel< / a > < / div > < div class = "ttdeci" > void SetLevel(int level) final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00116" > circuit.cc:116< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_propagator_html_a45321337f970685d9847db005c4b3de1" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#a45321337f970685d9847db005c4b3de1" > operations_research::sat::CircuitPropagator::IncrementalPropagate< / a > < / div > < div class = "ttdeci" > bool IncrementalPropagate(const std::vector< int > & watch_indices) final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00161" > circuit.cc:161< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_propagator_html_a6ee8ed57254aec3ae99d399bae5b3736" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#a6ee8ed57254aec3ae99d399bae5b3736" > operations_research::sat::CircuitPropagator::RegisterWith< / a > < / div > < div class = "ttdeci" > void RegisterWith(GenericLiteralWatcher *watcher)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00100" > circuit.cc:100< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_propagator_html_ab724d1b4067da7ec830cb4d1b8284ee7" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#ab724d1b4067da7ec830cb4d1b8284ee7" > operations_research::sat::CircuitPropagator::CircuitPropagator< / a > < / div > < div class = "ttdeci" > CircuitPropagator(int num_nodes, const std::vector< int > & tails, const std::vector< int > & heads, const std::vector< Literal > & literals, Options options, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00033" > circuit.cc:33< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_circuit_propagator_html_ac1fe9b1f2b978c4283e42f12e586eb1e" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_circuit_propagator.html#ac1fe9b1f2b978c4283e42f12e586eb1e" > operations_research::sat::CircuitPropagator::Propagate< / a > < / div > < div class = "ttdeci" > bool Propagate() final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00205" > circuit.cc:205< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_generic_literal_watcher_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_generic_literal_watcher.html" > operations_research::sat::GenericLiteralWatcher< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01228" > integer.h:1228< / 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#l00067" > sat_base.h:67< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model.html" > operations_research::sat::Model< / a > < / div > < div class = "ttdoc" > Class that owns everything related to a particular optimization model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2model_8h_source.html#l00042" > sat/model.h:42< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_propagator_interface_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_propagator_interface.html" > operations_research::sat::PropagatorInterface< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l01180" > integer.h:1180< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_trail_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_trail.html" > operations_research::sat::Trail< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00236" > sat_base.h:236< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_variables_assignment_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_variables_assignment.html" > operations_research::sat::VariablesAssignment< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__base_8h_source.html#l00125" > sat_base.h:125< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf" > < div class = "ttname" > < a href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > < / div > < div class = "ttdeci" > GRBmodel * model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gurobi__interface_8cc_source.html#l00274" > gurobi_interface.cc:274< / a > < / div > < / div >
< div class = "ttc" id = "ainteger_8h_html" > < div class = "ttname" > < a href = "integer_8h.html" > integer.h< / a > < / div > < / div >
< div class = "ttc" id = "aintegral__types_8h_html" > < div class = "ttname" > < a href = "integral__types_8h.html" > integral_types.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "alocal__search_8cc_html_a30b5726116ac85ea64777e5d6e333894" > < div class = "ttname" > < a href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > < / div > < div class = "ttdeci" > int arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02751" > local_search.cc:2751< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "amacros_8h_html" > < div class = "ttname" > < a href = "macros_8h.html" > macros.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceabsl_html" > < div class = "ttname" > < a href = "namespaceabsl.html" > absl< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cleanup_8h_source.html#l00022" > cleanup.h:22< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3c25e2ace66c05a1078d9d8128ca33c3" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3c25e2ace66c05a1078d9d8128ca33c3" > operations_research::sat::SubcircuitConstraint< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> SubcircuitConstraint(int num_nodes, const std::vector< int > & tails, const std::vector< int > & heads, const std::vector< Literal > & literals, bool multiple_subcircuit_through_zero)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00507" > circuit.cc:507< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a438f7ec8890517aa946e815414b6c10e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a438f7ec8890517aa946e815414b6c10e" > operations_research::sat::CircuitCovering< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> CircuitCovering(const std::vector< std::vector< Literal > > & graph, const std::vector< int > & distinguished_nodes)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00549" > circuit.cc:549< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a56eb4b0de637f0345f0062c3a32489fa" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a56eb4b0de637f0345f0062c3a32489fa" > operations_research::sat::ExactlyOnePerRowAndPerColumn< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> ExactlyOnePerRowAndPerColumn(const std::vector< std::vector< Literal > > & graph)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8cc_source.html#l00488" > circuit.cc:488< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a8f4f9889ab3527ce5381ed32e2fae25a" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a8f4f9889ab3527ce5381ed32e2fae25a" > operations_research::sat::ReindexArcs< / a > < / div > < div class = "ttdeci" > int ReindexArcs(IntContainer *tails, IntContainer *heads)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8h_source.html#l00170" > circuit.h:170< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< 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_a7deeae530369e107f9d91c1a189f451f" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > operations_research::Arc< / a > < / div > < div class = "ttdeci" > std::pair< int64_t, int64_t > Arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "search_8cc_source.html#l03434" > search.cc:3434< / a > < / div > < / div >
< div class = "ttc" id = "anamespacestd_html" > < div class = "ttname" > < a href = "namespacestd.html" > std< / a > < / div > < div class = "ttdoc" > STL namespace.< / div > < / div >
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< div class = "ttc" id = "arouting__flow_8cc_html_a64e7efc5529154ba56903e75f5300990" > < div class = "ttname" > < a href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > < / div > < div class = "ttdeci" > int64_t tail< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00149" > routing_flow.cc:149< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_afca32f65388659a4b0956496169488b4" > < div class = "ttname" > < a href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > < / div > < div class = "ttdeci" > int64_t head< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00150" > routing_flow.cc:150< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "arouting__search_8cc_html_a6b7983ccd32c86cbbc3d4d9cda4cac17" > < div class = "ttname" > < a href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > < / div > < div class = "ttdeci" > int nodes< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__search_8cc_source.html#l03997" > routing_search.cc:3997< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "asat_2model_8h_html" > < div class = "ttname" > < a href = "sat_2model_8h.html" > model.h< / a > < / div > < / div >
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< div class = "ttc" id = "asparse__submatrix_8cc_html_a4d53eac2ef2732c28fa9fb663e0c19a7" > < div class = "ttname" > < a href = "sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7" > end< / a > < / div > < div class = "ttdeci" > std::optional< int64_t > end< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__submatrix_8cc_source.html#l00036" > sparse_submatrix.cc:36< / a > < / div > < / div >
< div class = "ttc" id = "asparse__submatrix_8cc_html_a9b7656b922ea4ec96097d7380c0e61fe" > < div class = "ttname" > < a href = "sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe" > start< / a > < / div > < div class = "ttdeci" > int64_t start< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse__submatrix_8cc_source.html#l00035" > sparse_submatrix.cc:35< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "astrong__integers_8h_html" > < div class = "ttname" > < a href = "strong__integers_8h.html" > strong_integers.h< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_circuit_propagator_1_1_options_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html" > operations_research::sat::CircuitPropagator::Options< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8h_source.html#l00048" > circuit.h:48< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_circuit_propagator_1_1_options_html_af1123baeaa5412b68d37d8adf43ccb7c" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_circuit_propagator_1_1_options.html#af1123baeaa5412b68d37d8adf43ccb7c" > operations_research::sat::CircuitPropagator::Options::multiple_subcircuit_through_zero< / a > < / div > < div class = "ttdeci" > bool multiple_subcircuit_through_zero< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "circuit_8h_source.html#l00051" > circuit.h:51< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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