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< a href = "routing__flow_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2010-2018 Google LLC< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "routing_8h.html" > ortools/constraint_solver/routing.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "routing__lp__scheduling_8h.html" > ortools/constraint_solver/routing_lp_scheduling.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "min__cost__flow_8h.html" > ortools/graph/min_cost_flow.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // Compute set of disjunctions involved in a pickup and delivery pair.< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Disjunctions> < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keywordtype" > void< / span > AddDisjunctionsFromNodes(< span class = "keyword" > const< / span > RoutingModel& < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > const< / span > std::vector< int64> & nodes,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   Disjunctions* disjunctions) {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > node : nodes) {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > disjunction : < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionIndices(node)) {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   disjunctions-> insert(disjunction);< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   }< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   }< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   }< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < / div >
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< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_routing_model.html#ac8347e84488d1b5eb7b5e6972fb32be3" > 34< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1_routing_model.html#ac8347e84488d1b5eb7b5e6972fb32be3" > RoutingModel::IsMatchingModel< / a > ()< span class = "keyword" > const < / span > {< / div >
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< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > // TODO(user): Support overlapping disjunctions and disjunctions with< / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // a cardinality > 1.< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   absl::flat_hash_set< int> disjunction_nodes;< / div >
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< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#afa7cbbd4db2dd5d0bec3393efc9ebac1" > DisjunctionIndex< / a > i(0); i < < a class = "code" href = "classoperations__research_1_1_routing_model.html#aa9ed1612ddad261cf7e75643534d0aa0" > GetNumberOfDisjunctions< / a > (); ++i) {< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a1090dab71b48b49153d70b9e6c299c25" > GetDisjunctionMaxCardinality< / a > (i) > 1) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > node : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89b2c610c22a3223f1cac10233d7992d" > GetDisjunctionIndices< / a > (i)) {< / div >
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< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > if< / span > (!disjunction_nodes.insert(node).second) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   }< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   }< / div >
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< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pd_pairs : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a9e42e15bdb23d63ae78137b97a4882de" > GetPickupAndDeliveryPairs< / a > ()) {< / div >
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< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   absl::flat_hash_set< DisjunctionIndex> disjunctions;< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   AddDisjunctionsFromNodes(*< span class = "keyword" > this< / span > , pd_pairs.first, & disjunctions);< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   AddDisjunctionsFromNodes(*< span class = "keyword" > this< / span > , pd_pairs.second, & disjunctions);< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // Pairs involving more than 2 disjunctions are not supported.< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordflow" > if< / span > (disjunctions.size() > 2) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   }< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // Detect if a " unary" dimension prevents from having more than a single< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > // non-start/end node (or a single pickup and delivery pair) on a route.< / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "comment" > // Binary dimensions are not considered because they would result in a< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "comment" > // quadratic check.< / span > < / div >
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< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1_routing_dimension.html" > RoutingDimension< / a > * < span class = "keyword" > const< / span > dimension : dimensions_) {< / div >
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< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "comment" > // TODO(user): Support vehicle-dependent dimension callbacks.< / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > if< / span > (dimension-> class_evaluators_.size() != 1) {< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   }< / div >
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< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "classoperations__research_1_1_routing_model.html#a204041e5264282d54dfd198011e776d3" > TransitCallback1< / a > & transit =< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a44afcc03d5cb68c01acefa253de9edcf" > UnaryTransitCallbackOrNull< / a > (dimension-> class_evaluators_[0]);< / div >
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< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keywordflow" > if< / span > (transit == < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   }< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > max_vehicle_capacity = 0;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > vehicle_capacity : dimension-> vehicle_capacities()) {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   max_vehicle_capacity = < a class = "code" href = "alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a" > std::max< / a > (max_vehicle_capacity, vehicle_capacity);< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   }< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   std::vector< int64> transits(nexts_.size(), < a class = "code" href = "integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719" > kint64max< / a > );< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < nexts_.size(); ++i) {< / div >
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< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "classoperations__research_1_1_routing_model.html#ae1adbc353c105572655ae866124c61b6" > IsStart< / a > (i) & & !< a class = "code" href = "classoperations__research_1_1_routing_model.html#ae2530e17cabaf267e12929ca0ee1bee0" > IsEnd< / a > (i)) {< / div >
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< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   transits[i] = < a class = "code" href = "alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37" > std::min< / a > (transits[i], transit(i));< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   }< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   }< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > min_transit = < a class = "code" href = "integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719" > kint64max< / a > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // Find the minimal accumulated value resulting from a pickup and delivery< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > // pair.< / span > < / div >
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< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pd_pairs : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a9e42e15bdb23d63ae78137b97a4882de" > GetPickupAndDeliveryPairs< / a > ()) {< / div >
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< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > transit_cmp = [& transits](< span class = "keywordtype" > int< / span > i, < span class = "keywordtype" > int< / span > j) {< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keywordflow" > return< / span > transits[i] < transits[j];< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   };< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   min_transit = < a class = "code" href = "alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37" > std::min< / a > (< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   min_transit,< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // Min transit from pickup.< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   transits[*std::min_element(pd_pairs.first.begin(),< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   pd_pairs.first.end(), transit_cmp)] +< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "comment" > // Min transit from delivery.< / span > < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   transits[*std::min_element(pd_pairs.second.begin(),< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   pd_pairs.second.end(), transit_cmp)]);< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   }< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // Find the minimal accumulated value resulting from a non-pickup/delivery< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > // node.< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < transits.size(); ++i) {< / div >
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< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#ae82492179600550970bd0b0dccf0b3f1" > GetPickupIndexPairs< / a > (i).empty() & & < a class = "code" href = "classoperations__research_1_1_routing_model.html#afad671d4876daa753d520bf2adceafbd" > GetDeliveryIndexPairs< / a > (i).empty()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   min_transit = < a class = "code" href = "alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37" > std::min< / a > (min_transit, transits[i]);< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "comment" > // If there cannot be more than one node or pickup and delivery, a matching< / span > < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // problem has been detected.< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespaceoperations__research.html#ab216763dccd16f5060d2fbcfb08173fb" > CapProd< / a > (min_transit, 2) > max_vehicle_capacity) < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   }< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   }< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > // Solve matching model using a min-cost flow. Here is the underlyihg flow:< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // ---------- Source -------------< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // | (1,0) | (N,0)< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // V V< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // (vehicles) unperformed< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > // | (1,cost) |< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // V |< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // (nodes/pickup/deliveries) | (1,penalty)< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "comment" > // | (1,0) |< / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "comment" > // V |< / span > < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > // disjunction < ---------< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "comment" > // | (1, 0)< / span > < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "comment" > // V< / span > < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > // Sink< / span > < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "comment" > // On arcs, (,) represents (capacity, cost).< / span > < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "comment" > // N: number of disjunctions< / span > < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keyword" > struct < / span > FlowArc {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > < a class = "line" href = "routing__flow_8cc.html#a10b672faee4b99c6a02feb0e343f3b0f" > 127< / a > < / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < a class = "code" href = "routing__flow_8cc.html#a10b672faee4b99c6a02feb0e343f3b0f" > tail< / a > ;< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > < a class = "line" href = "routing__flow_8cc.html#ac891d9f514e55ec8ee1212757a147888" > 128< / a > < / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < a class = "code" href = "routing__flow_8cc.html#ac891d9f514e55ec8ee1212757a147888" > head< / a > ;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > < a class = "line" href = "routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf" > 129< / a > < / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < a class = "code" href = "routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf" > capacity< / a > ;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > < a class = "line" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > 130< / a > < / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > ;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   };< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordtype" > bool< / span > RoutingModel::SolveMatchingModel(< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   Assignment* assignment, < span class = "keyword" > const< / span > RoutingSearchParameters& < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > ) {< / div >
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< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Solving with flow" < / span > ;< / div >
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< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   assignment-> Clear();< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "comment" > // Collect dimensions with costs.< / span > < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "comment" > // TODO(user): If the costs are soft cumul upper (resp. lower) bounds only,< / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > // do not use the LP model.< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keyword" > const< / span > std::vector< RoutingDimension*> dimensions =< / div >
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< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a6e0fb2d4d5bbda1cad6bf795152cbe13" > GetDimensionsWithSoftOrSpanCosts< / a > ();< / div >
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< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   std::vector< LocalDimensionCumulOptimizer> optimizers;< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   optimizers.reserve(dimensions.size());< / div >
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< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a50ba9dd11704e0be7edaa9e9f24142ff" > RoutingDimension< / a > * dimension : dimensions) {< / div >
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< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   optimizers.emplace_back(dimension,< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < a class = "code" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > .continuous_scheduling_solver());< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   }< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordtype" > int< / span > num_flow_nodes = 0;< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   std::vector< std::vector< int64> > disjunction_to_flow_nodes;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   std::vector< int64> disjunction_penalties;< / div >
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< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   std::vector< bool> in_disjunction(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a354dd8c252cf59b748602b342db6019d" > Size< / a > (), < span class = "keyword" > false< / span > );< / div >
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< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "comment" > // Create pickup and delivery pair flow nodes.< / span > < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "comment" > // TODO(user): Check pair alternatives correspond exactly to at most two< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "comment" > // disjunctions.< / span > < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   absl::flat_hash_map< int, std::pair< int64, int64> > flow_to_pd;< / div >
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< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pd_pairs : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a9e42e15bdb23d63ae78137b97a4882de" > GetPickupAndDeliveryPairs< / a > ()) {< / div >
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< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   disjunction_to_flow_nodes.push_back({});< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   absl::flat_hash_set< DisjunctionIndex> disjunctions;< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   AddDisjunctionsFromNodes(*< span class = "keyword" > this< / span > , pd_pairs.first, & disjunctions);< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   AddDisjunctionsFromNodes(*< span class = "keyword" > this< / span > , pd_pairs.second, & disjunctions);< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > pickup : pd_pairs.first) {< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   in_disjunction[pickup] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > delivery : pd_pairs.second) {< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   in_disjunction[delivery] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   flow_to_pd[num_flow_nodes] = {pickup, delivery};< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   disjunction_to_flow_nodes.back().push_back(num_flow_nodes);< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   num_flow_nodes++;< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   }< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   }< / div >
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< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (disjunctions.size(), 2);< / div >
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< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > penalty = 0;< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "keywordflow" > if< / span > (disjunctions.size() < 2) {< / div >
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< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   penalty = < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89db28c1da47c5aef8a0aa380a1800ec" > kNoPenalty< / a > ;< / div >
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< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   } < span class = "keywordflow" > else< / span > {< / div >
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< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#afa7cbbd4db2dd5d0bec3393efc9ebac1" > DisjunctionIndex< / a > < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > : disjunctions) {< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > d_penalty = < a class = "code" href = "classoperations__research_1_1_routing_model.html#a276086c8aada62b6301aa44e4289347d" > GetDisjunctionPenalty< / a > (< a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordflow" > if< / span > (d_penalty == < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89db28c1da47c5aef8a0aa380a1800ec" > kNoPenalty< / a > ) {< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   penalty = < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89db28c1da47c5aef8a0aa380a1800ec" > kNoPenalty< / a > ;< / div >
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< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   }< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   penalty = < a class = "code" href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > CapAdd< / a > (penalty, d_penalty);< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   }< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   }< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   disjunction_penalties.push_back(penalty);< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   }< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "comment" > // Create non-pickup and delivery flow nodes.< / span > < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   absl::flat_hash_map< int, int64> flow_to_non_pd;< / div >
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< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node = 0; node < < a class = "code" href = "classoperations__research_1_1_routing_model.html#a354dd8c252cf59b748602b342db6019d" > Size< / a > (); ++node) {< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#ae1adbc353c105572655ae866124c61b6" > IsStart< / a > (node) || in_disjunction[node]) < span class = "keywordflow" > continue< / span > ;< / div >
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< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keyword" > const< / span > std::vector< DisjunctionIndex> & disjunctions =< / div >
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< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89b2c610c22a3223f1cac10233d7992d" > GetDisjunctionIndices< / a > (node);< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (disjunctions.size(), 1);< / div >
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< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   disjunction_to_flow_nodes.push_back({});< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   disjunction_penalties.push_back(< / div >
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< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   disjunctions.empty() ? < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89db28c1da47c5aef8a0aa380a1800ec" > kNoPenalty< / a > < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a276086c8aada62b6301aa44e4289347d" > GetDisjunctionPenalty< / a > (disjunctions.back()));< / div >
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< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordflow" > if< / span > (disjunctions.empty()) {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   in_disjunction[node] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   flow_to_non_pd[num_flow_nodes] = node;< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   disjunction_to_flow_nodes.back().push_back(num_flow_nodes);< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   num_flow_nodes++;< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   } < span class = "keywordflow" > else< / span > {< / div >
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< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > n : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89b2c610c22a3223f1cac10233d7992d" > GetDisjunctionIndices< / a > (disjunctions.back())) {< / div >
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< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   in_disjunction[n] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   flow_to_non_pd[num_flow_nodes] = n;< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   disjunction_to_flow_nodes.back().push_back(num_flow_nodes);< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   num_flow_nodes++;< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   }< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   }< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   }< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   std::vector< FlowArc> arcs;< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "comment" > // Build a flow node for each disjunction and corresponding arcs.< / span > < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "comment" > // Each node exits to the sink through a node, for which the outgoing< / span > < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "comment" > // capacity is one (only one of the nodes in the disjunction is performed).< / span > < / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   absl::flat_hash_map< int, int> flow_to_disjunction;< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < disjunction_to_flow_nodes.size(); ++i) {< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keyword" > const< / span > std::vector< int64> & flow_nodes = disjunction_to_flow_nodes[i];< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "keywordflow" > if< / span > (flow_nodes.size() == 1) {< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   flow_to_disjunction[flow_nodes.back()] = i;< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   flow_to_disjunction[num_flow_nodes] = i;< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > flow_node : flow_nodes) {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   arcs.push_back({flow_node, num_flow_nodes, 1, 0});< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   num_flow_nodes++;< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   }< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   }< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "comment" > // Build arcs from each vehicle to each non-vehicle flow node; the cost of< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "comment" > // each arc corresponds to:< / span > < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "comment" > // start(vehicle) -> pickup -> delivery -> end(vehicle)< / span > < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "comment" > // or< / span > < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "comment" > // start(vehicle) -> node -> end(vehicle)< / span > < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   std::vector< int> vehicle_to_flow;< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   absl::flat_hash_map< int, int> flow_to_vehicle;< / div >
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< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code" href = "classoperations__research_1_1_routing_model.html#aa9e7ba89833775f29889744fe9480d29" > vehicles< / a > (); ++vehicle) {< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > start = < a class = "code" href = "classoperations__research_1_1_routing_model.html#acbdbdfc9491ef0586459d38cc5ef4cb8" > Start< / a > (vehicle);< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > end = < a class = "code" href = "classoperations__research_1_1_routing_model.html#a1dc8d32892f78532c8ee7a7186158e07" > End< / a > (vehicle);< / div >
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< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::vector< int64> & flow_nodes : disjunction_to_flow_nodes) {< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > flow_node : flow_nodes) {< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   std::pair< int64, int64> pd_pair;< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > node = -1;< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > = 0;< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "keywordtype" > bool< / span > add_arc = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_pd, flow_node, & pd_pair)) {< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > pickup = pd_pair.first;< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > delivery = pd_pair.second;< / div >
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< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a43c49fc1660ae71cdb30ae93bcac80d7" > IsVehicleAllowedForIndex< / a > (vehicle, pickup) & & < / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a43c49fc1660ae71cdb30ae93bcac80d7" > IsVehicleAllowedForIndex< / a > (vehicle, delivery)) {< / div >
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< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   add_arc = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < a class = "code" href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > CapAdd< / a > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a50dd6fccc1cca84aa10efc8f3ece396c" > GetArcCostForVehicle< / a > (start, pickup, vehicle),< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < a class = "code" href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > CapAdd< / a > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a50dd6fccc1cca84aa10efc8f3ece396c" > GetArcCostForVehicle< / a > (pickup, delivery, vehicle),< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a50dd6fccc1cca84aa10efc8f3ece396c" > GetArcCostForVehicle< / a > (delivery, end, vehicle)));< / div >
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< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keyword" > const< / span > absl::flat_hash_map< int64, int64> nexts = {< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   {start, pickup}, {pickup, delivery}, {delivery, end}};< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > for< / span > (LocalDimensionCumulOptimizer& optimizer : optimizers) {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > cumul_cost_value = 0;< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "comment" > // TODO(user): if the result is RELAXED_OPTIMAL_ONLY, do a< / span > < / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "comment" > // second pass with an MP solver.< / span > < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordflow" > if< / span > (optimizer.ComputeRouteCumulCostWithoutFixedTransits(< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   vehicle,< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   [& nexts](< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > node) { return nexts.find(node)-> second; },< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   & cumul_cost_value) !=< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < a class = "code" href = "namespaceoperations__research.html#aa0787bf78fb09d1e30f2451b5a68d4b8a6faaca695f728b47f47dd389f31e4a93" > DimensionSchedulingStatus::INFEASIBLE< / a > ) {< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > = < a class = "code" href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > CapAdd< / a > (< a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > , cumul_cost_value);< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   add_arc = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   }< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   }< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   }< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_non_pd, flow_node, & node)) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a43c49fc1660ae71cdb30ae93bcac80d7" > IsVehicleAllowedForIndex< / a > (vehicle, node)) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   add_arc = < span class = "keyword" > true< / span > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > = < a class = "code" href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > CapAdd< / a > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#a50dd6fccc1cca84aa10efc8f3ece396c" > GetArcCostForVehicle< / a > (start, node, vehicle),< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a50dd6fccc1cca84aa10efc8f3ece396c" > GetArcCostForVehicle< / a > (node, end, vehicle));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keyword" > const< / span > absl::flat_hash_map< int64, int64> nexts = {{start, node},< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   {node, end}};< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > for< / span > (LocalDimensionCumulOptimizer& optimizer : optimizers) {< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > cumul_cost_value = 0;< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "comment" > // TODO(user): if the result is RELAXED_OPTIMAL_ONLY, do a< / span > < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "comment" > // second pass with an MP solver.< / span > < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordflow" > if< / span > (optimizer.ComputeRouteCumulCostWithoutFixedTransits(< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   vehicle,< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   [& nexts](< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > node) { return nexts.find(node)-> second; },< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   & cumul_cost_value) !=< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < a class = "code" href = "namespaceoperations__research.html#aa0787bf78fb09d1e30f2451b5a68d4b8a6faaca695f728b47f47dd389f31e4a93" > DimensionSchedulingStatus::INFEASIBLE< / a > ) {< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > = < a class = "code" href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > CapAdd< / a > (< a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > , cumul_cost_value);< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   add_arc = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   }< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   }< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   }< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   } < span class = "keywordflow" > else< / span > {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< span class = "keyword" > false< / span > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   }< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > if< / span > (add_arc) {< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   arcs.push_back({num_flow_nodes, flow_node, 1, < a class = "code" href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > });< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   }< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   }< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   }< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   flow_to_vehicle[num_flow_nodes] = vehicle;< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   vehicle_to_flow.push_back(num_flow_nodes);< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   num_flow_nodes++;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   }< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "comment" > // Create flow source and sink nodes.< / span > < / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > source = num_flow_nodes + 1;< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sink = source + 1;< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "comment" > // Source connected to vehicle nodes.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code" href = "classoperations__research_1_1_routing_model.html#aa9e7ba89833775f29889744fe9480d29" > vehicles< / a > (); ++vehicle) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   arcs.push_back({source, vehicle_to_flow[vehicle], 1, 0});< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   }< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "comment" > // Handle unperformed nodes.< / span > < / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "comment" > // Create a node to catch unperformed nodes and connect it to source.< / span > < / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > unperformed = num_flow_nodes;< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > flow_supply = disjunction_to_flow_nodes.size();< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   arcs.push_back({source, unperformed, flow_supply, 0});< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & flow_disjunction_element : flow_to_disjunction) {< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > flow_node = flow_disjunction_element.first;< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > penalty =< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   disjunction_penalties[flow_disjunction_element.second];< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keywordflow" > if< / span > (penalty != < a class = "code" href = "classoperations__research_1_1_routing_model.html#a89db28c1da47c5aef8a0aa380a1800ec" > kNoPenalty< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   arcs.push_back({unperformed, flow_node, 1, penalty});< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   }< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "comment" > // Connect non-vehicle flow nodes to sinks.< / span > < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   arcs.push_back({flow_node, sink, 1, 0});< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   }< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "comment" > // Rescale costs for min-cost flow; assuming max cost resulting from the< / span > < / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "comment" > // push-relabel flow algorithm is max_arc_cost * (num_nodes+1) * (num_nodes+1)< / span > < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "comment" > // (cost-scaling multiplies arc costs by num_nodes+1 and the flow itself can< / span > < / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "comment" > // accumulate num_nodes+1 such arcs (with capacity being 1 for costed arcs)).< / span > < / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > scale_factor = 1;< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < span class = "keyword" > const< / span > FlowArc& arc_with_max_cost = *std::max_element(< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   arcs.begin(), arcs.end(),< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   [](< span class = "keyword" > const< / span > FlowArc& < a class = "code" href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > , < span class = "keyword" > const< / span > FlowArc& < a class = "code" href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > ) { return a.cost < b.cost; });< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "comment" > // SimpleMinCostFlow adds a source and a sink node, so actual number of< / span > < / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "comment" > // nodes to consider is num_flow_nodes + 3.< / span > < / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > actual_flow_num_nodes = num_flow_nodes + 3;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < span class = "keywordflow" > if< / span > (log(< span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (arc_with_max_cost.cost) + 1) +< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   2 * log(actual_flow_num_nodes) > < / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   log(< a class = "code" href = "alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a" > std::numeric_limits< int64> ::max< / a > ())) {< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   scale_factor = < a class = "code" href = "namespaceoperations__research.html#ab216763dccd16f5060d2fbcfb08173fb" > CapProd< / a > (actual_flow_num_nodes, actual_flow_num_nodes);< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   }< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   SimpleMinCostFlow flow;< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "comment" > // Add arcs to flow.< / span > < / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > FlowArc& arc : arcs) {< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   flow.AddArcWithCapacityAndUnitCost(arc.tail, arc.head, arc.capacity,< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   arc.cost / scale_factor);< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   }< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "comment" > // Set flow supply (number of non-vehicle nodes or pairs).< / span > < / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   flow.SetNodeSupply(source, flow_supply);< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   flow.SetNodeSupply(sink, -flow_supply);< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "comment" > // TODO(user): Take time limit into account.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "keywordflow" > if< / span > (flow.Solve() != < a class = "code" href = "classoperations__research_1_1_min_cost_flow_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2579881e7c83261bc21bafb5a5c92cad" > SimpleMinCostFlow::OPTIMAL< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   }< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < span class = "comment" > // Map the flow result to assignment, only setting next variables.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   std::vector< bool> used_vehicles(< a class = "code" href = "classoperations__research_1_1_routing_model.html#aa9e7ba89833775f29889744fe9480d29" > vehicles< / a > (), < span class = "keyword" > false< / span > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   absl::flat_hash_set< int> used_nodes;< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < flow.NumArcs(); ++i) {< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordflow" > if< / span > (flow.Flow(i) > 0 & & flow.Tail(i) != source & & flow.Head(i) != sink) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   std::vector< int> < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   std::pair< int64, int64> pd_pair;< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < span class = "keywordtype" > int< / span > node = -1;< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = -1;< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_pd, flow.Head(i), & pd_pair)) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > .push_back(pd_pair.first);< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > .push_back(pd_pair.second);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_non_pd, flow.Head(i), & node)) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > .push_back(node);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_disjunction, flow.Head(i), & < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > )) {< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > flow_node : disjunction_to_flow_nodes[< a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ]) {< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_pd, flow_node, & pd_pair)) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > .push_back(pd_pair.first);< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > .push_back(pd_pair.second);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_non_pd, flow_node, & node)) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > .push_back(node);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   }< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   }< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   }< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keywordtype" > int< / span > vehicle = -1;< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "keywordflow" > if< / span > (flow.Tail(i) == unperformed) {< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "comment" > // Head is unperformed.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > ) {< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   assignment-> Add(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a66fb44c05f9875685e9c332fbdfb643b" > NextVar< / a > (node))-> SetValue(node);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   used_nodes.insert(node);< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   }< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > (flow_to_vehicle, flow.Tail(i), & vehicle)) {< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < span class = "comment" > // Head is performed on a vehicle.< / span > < / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   used_vehicles[vehicle] = < span class = "keyword" > true< / span > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordtype" > int< / span > current = < a class = "code" href = "classoperations__research_1_1_routing_model.html#acbdbdfc9491ef0586459d38cc5ef4cb8" > Start< / a > (vehicle);< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node : < a class = "code" href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > nodes< / a > ) {< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   assignment-> Add(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a66fb44c05f9875685e9c332fbdfb643b" > NextVar< / a > (current))-> SetValue(node);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   used_nodes.insert(node);< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   current = node;< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   assignment-> Add(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a66fb44c05f9875685e9c332fbdfb643b" > NextVar< / a > (current))-> SetValue(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a1dc8d32892f78532c8ee7a7186158e07" > End< / a > (vehicle));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   }< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   }< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   }< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < span class = "comment" > // Adding unused nodes.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node = 0; node < < a class = "code" href = "classoperations__research_1_1_routing_model.html#a354dd8c252cf59b748602b342db6019d" > Size< / a > (); ++node) {< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "classoperations__research_1_1_routing_model.html#ae1adbc353c105572655ae866124c61b6" > IsStart< / a > (node) & & used_nodes.count(node) == 0) {< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   assignment-> Add(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a66fb44c05f9875685e9c332fbdfb643b" > NextVar< / a > (node))-> SetValue(node);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   }< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   }< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "comment" > // Adding unused vehicles.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code" href = "classoperations__research_1_1_routing_model.html#aa9e7ba89833775f29889744fe9480d29" > vehicles< / a > (); ++vehicle) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "keywordflow" > if< / span > (!used_vehicles[vehicle]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   assignment-> Add(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a66fb44c05f9875685e9c332fbdfb643b" > NextVar< / a > (< a class = "code" href = "classoperations__research_1_1_routing_model.html#acbdbdfc9491ef0586459d38cc5ef4cb8" > Start< / a > (vehicle)))-> SetValue(< a class = "code" href = "classoperations__research_1_1_routing_model.html#a1dc8d32892f78532c8ee7a7186158e07" > End< / a > (vehicle));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   }< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   }< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   }< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37" > min< / a > < / div > < div class = "ttdeci" > int64 min< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00138" > alldiff_cst.cc:138< / a > < / div > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a" > max< / a > < / div > < div class = "ttdeci" > int64 max< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00139" > alldiff_cst.cc:139< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2" > < div class = "ttname" > < a href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > < / div > < div class = "ttdeci" > #define DCHECK_LE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00887" > base/logging.h:887< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00884" > base/logging.h:884< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< 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#l00978" > base/logging.h:978< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_min_cost_flow_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba2579881e7c83261bc21bafb5a5c92cad" > < div class = "ttname" > < a href = "classoperations__research_1_1_min_cost_flow_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2579881e7c83261bc21bafb5a5c92cad" > operations_research::MinCostFlowBase::OPTIMAL< / a > < / div > < div class = "ttdeci" > @ OPTIMAL< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "min__cost__flow_8h_source.html#l00196" > min_cost_flow.h:196< / a > < / div > < / div >
2021-02-16 18:34:57 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_dimension_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_dimension.html" > operations_research::RoutingDimension< / a > < / div > < div class = "ttdoc" > Dimensions represent quantities accumulated at nodes along the routes.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l02368" > routing.h:2368< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a0f38add802397fef1f57b7d90ccd5aef" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a0f38add802397fef1f57b7d90ccd5aef" > operations_research::RoutingModel::nodes< / a > < / div > < div class = "ttdeci" > int nodes() const< / div > < div class = "ttdoc" > Sizes and indices Returns the number of nodes in the model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01343" > routing.h:1343< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a1090dab71b48b49153d70b9e6c299c25" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a1090dab71b48b49153d70b9e6c299c25" > operations_research::RoutingModel::GetDisjunctionMaxCardinality< / a > < / div > < div class = "ttdeci" > int64 GetDisjunctionMaxCardinality(DisjunctionIndex index) const< / div > < div class = "ttdoc" > Returns the maximum number of possible active nodes of the node disjunction of index 'index'.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00663" > routing.h:663< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a1dc8d32892f78532c8ee7a7186158e07" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a1dc8d32892f78532c8ee7a7186158e07" > operations_research::RoutingModel::End< / a > < / div > < div class = "ttdeci" > int64 End(int vehicle) const< / div > < div class = "ttdoc" > Returns the variable index of the ending node of a vehicle route.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01182" > routing.h:1182< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a204041e5264282d54dfd198011e776d3" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a204041e5264282d54dfd198011e776d3" > operations_research::RoutingModel::TransitCallback1< / a > < / div > < div class = "ttdeci" > RoutingTransitCallback1 TransitCallback1< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00242" > routing.h:242< / a > < / div > < / div >
2021-02-16 18:34:57 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a276086c8aada62b6301aa44e4289347d" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a276086c8aada62b6301aa44e4289347d" > operations_research::RoutingModel::GetDisjunctionPenalty< / a > < / div > < div class = "ttdeci" > int64 GetDisjunctionPenalty(DisjunctionIndex index) const< / div > < div class = "ttdoc" > Returns the penalty of the node disjunction of index 'index'.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00658" > routing.h:658< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a354dd8c252cf59b748602b342db6019d" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a354dd8c252cf59b748602b342db6019d" > operations_research::RoutingModel::Size< / a > < / div > < div class = "ttdeci" > int64 Size() const< / div > < div class = "ttdoc" > Returns the number of next variables in the model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01347" > routing.h:1347< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a43c49fc1660ae71cdb30ae93bcac80d7" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a43c49fc1660ae71cdb30ae93bcac80d7" > operations_research::RoutingModel::IsVehicleAllowedForIndex< / a > < / div > < div class = "ttdeci" > bool IsVehicleAllowedForIndex(int vehicle, int64 index)< / div > < div class = "ttdoc" > Returns true if a vehicle is allowed to visit a given node.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00694" > routing.h:694< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a44afcc03d5cb68c01acefa253de9edcf" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a44afcc03d5cb68c01acefa253de9edcf" > operations_research::RoutingModel::UnaryTransitCallbackOrNull< / a > < / div > < div class = "ttdeci" > const TransitCallback1 & UnaryTransitCallbackOrNull(int callback_index) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00417" > routing.h:417< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a50ba9dd11704e0be7edaa9e9f24142ff" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a50ba9dd11704e0be7edaa9e9f24142ff" > operations_research::RoutingModel::RoutingDimension< / a > < / div > < div class = "ttdeci" > friend class RoutingDimension< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01936" > routing.h:1936< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a50dd6fccc1cca84aa10efc8f3ece396c" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a50dd6fccc1cca84aa10efc8f3ece396c" > operations_research::RoutingModel::GetArcCostForVehicle< / a > < / div > < div class = "ttdeci" > int64 GetArcCostForVehicle(int64 from_index, int64 to_index, int64 vehicle) const< / div > < div class = "ttdoc" > Returns the cost of the transit arc between two nodes for a given vehicle.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8cc_source.html#l03918" > routing.cc:3918< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a66fb44c05f9875685e9c332fbdfb643b" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a66fb44c05f9875685e9c332fbdfb643b" > operations_research::RoutingModel::NextVar< / a > < / div > < div class = "ttdeci" > IntVar * NextVar(int64 index) const< / div > < div class = "ttdoc" > !defined(SWIGPYTHON)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01207" > routing.h:1207< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a6e0fb2d4d5bbda1cad6bf795152cbe13" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a6e0fb2d4d5bbda1cad6bf795152cbe13" > operations_research::RoutingModel::GetDimensionsWithSoftOrSpanCosts< / a > < / div > < div class = "ttdeci" > std::vector< RoutingDimension * > GetDimensionsWithSoftOrSpanCosts() const< / div > < div class = "ttdoc" > Returns dimensions with soft or vehicle span costs.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8cc_source.html#l04996" > routing.cc:4996< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a89b2c610c22a3223f1cac10233d7992d" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a89b2c610c22a3223f1cac10233d7992d" > operations_research::RoutingModel::GetDisjunctionIndices< / a > < / div > < div class = "ttdeci" > const std::vector< DisjunctionIndex > & GetDisjunctionIndices(int64 index) const< / div > < div class = "ttdoc" > Returns the indices of the disjunctions to which an index belongs.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00631" > routing.h:631< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a89db28c1da47c5aef8a0aa380a1800ec" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a89db28c1da47c5aef8a0aa380a1800ec" > operations_research::RoutingModel::kNoPenalty< / a > < / div > < div class = "ttdeci" > static const int64 kNoPenalty< / div > < div class = "ttdoc" > Constant used to express a hard constraint instead of a soft penalty.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00384" > routing.h:384< / a > < / div > < / div >
2021-02-16 18:34:57 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a9e42e15bdb23d63ae78137b97a4882de" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a9e42e15bdb23d63ae78137b97a4882de" > operations_research::RoutingModel::GetPickupAndDeliveryPairs< / a > < / div > < div class = "ttdeci" > const IndexPairs & GetPickupAndDeliveryPairs() const< / div > < div class = "ttdoc" > Returns pickup and delivery pairs currently in the model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00746" > routing.h:746< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_aa9e7ba89833775f29889744fe9480d29" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#aa9e7ba89833775f29889744fe9480d29" > operations_research::RoutingModel::vehicles< / a > < / div > < div class = "ttdeci" > int vehicles() const< / div > < div class = "ttdoc" > Returns the number of vehicle routes in the model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01345" > routing.h:1345< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_aa9ed1612ddad261cf7e75643534d0aa0" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#aa9ed1612ddad261cf7e75643534d0aa0" > operations_research::RoutingModel::GetNumberOfDisjunctions< / a > < / div > < div class = "ttdeci" > int GetNumberOfDisjunctions() const< / div > < div class = "ttdoc" > Returns the number of node disjunctions in the model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00667" > routing.h:667< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_ac8347e84488d1b5eb7b5e6972fb32be3" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#ac8347e84488d1b5eb7b5e6972fb32be3" > operations_research::RoutingModel::IsMatchingModel< / a > < / div > < div class = "ttdeci" > bool IsMatchingModel() const< / div > < div class = "ttdoc" > Returns true if a vehicle/node matching problem is detected.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00034" > routing_flow.cc:34< / a > < / div > < / div >
2021-02-16 18:34:57 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_acbdbdfc9491ef0586459d38cc5ef4cb8" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#acbdbdfc9491ef0586459d38cc5ef4cb8" > operations_research::RoutingModel::Start< / a > < / div > < div class = "ttdeci" > int64 Start(int vehicle) const< / div > < div class = "ttdoc" > Model inspection.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01180" > routing.h:1180< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_ae1adbc353c105572655ae866124c61b6" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#ae1adbc353c105572655ae866124c61b6" > operations_research::RoutingModel::IsStart< / a > < / div > < div class = "ttdeci" > bool IsStart(int64 index) const< / div > < div class = "ttdoc" > Returns true if 'index' represents the first node of a route.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8cc_source.html#l03896" > routing.cc:3896< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_ae2530e17cabaf267e12929ca0ee1bee0" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#ae2530e17cabaf267e12929ca0ee1bee0" > operations_research::RoutingModel::IsEnd< / a > < / div > < div class = "ttdeci" > bool IsEnd(int64 index) const< / div > < div class = "ttdoc" > Returns true if 'index' represents the last node of a route.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l01186" > routing.h:1186< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_ae82492179600550970bd0b0dccf0b3f1" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#ae82492179600550970bd0b0dccf0b3f1" > operations_research::RoutingModel::GetPickupIndexPairs< / a > < / div > < div class = "ttdeci" > const std::vector< std::pair< int, int > > & GetPickupIndexPairs(int64 node_index) const< / div > < div class = "ttdoc" > Returns pairs for which the node is a pickup; the first element of each pair is the index in the pick...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8cc_source.html#l01707" > routing.cc:1707< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_afa7cbbd4db2dd5d0bec3393efc9ebac1" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#afa7cbbd4db2dd5d0bec3393efc9ebac1" > operations_research::RoutingModel::DisjunctionIndex< / a > < / div > < div class = "ttdeci" > RoutingDisjunctionIndex DisjunctionIndex< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00240" > routing.h:240< / a > < / div > < / div >
2021-02-16 18:34:57 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_afad671d4876daa753d520bf2adceafbd" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#afad671d4876daa753d520bf2adceafbd" > operations_research::RoutingModel::GetDeliveryIndexPairs< / a > < / div > < div class = "ttdeci" > const std::vector< std::pair< int, int > > & GetDeliveryIndexPairs(int64 node_index) const< / div > < div class = "ttdoc" > Same as above for deliveries.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8cc_source.html#l01713" > routing.cc:1713< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6" > b< / a > < / div > < div class = "ttdeci" > int64 b< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00043" > constraint_solver/table.cc:43< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_af730895c6c6ef6e03caaf6251192dfd2" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2" > a< / a > < / div > < div class = "ttdeci" > int64 a< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00042" > constraint_solver/table.cc:42< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219" > < div class = "ttname" > < a href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > < / div > < div class = "ttdeci" > SatParameters parameters< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__fz__solver_8cc_source.html#l00108" > cp_model_fz_solver.cc:108< / a > < / div > < / div >
2021-01-26 11:28:50 +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#l00272" > gurobi_interface.cc:272< / a > < / div > < / div >
2021-02-16 18:34:57 +01:00
< div class = "ttc" id = "aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719" > < div class = "ttname" > < a href = "integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719" > kint64max< / a > < / div > < div class = "ttdeci" > static const int64 kint64max< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integral__types_8h_source.html#l00053" > integral_types.h:53< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a" > < div class = "ttname" > < a href = "integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a" > int64< / a > < / div > < div class = "ttdeci" > int64_t int64< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integral__types_8h_source.html#l00034" > integral_types.h:34< / a > < / div > < / div >
< div class = "ttc" id = "amin__cost__flow_8h_html" > < div class = "ttname" > < a href = "min__cost__flow_8h.html" > min_cost_flow.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_a6a4238d2e35cf819a8e83d60d331ea64" > < div class = "ttname" > < a href = "namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64" > gtl::FindCopy< / a > < / div > < div class = "ttdeci" > bool FindCopy(const Collection & collection, const Key & key, Value *const value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00155" > map_util.h:155< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a99264812cf177270e521f226a5c012c3" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3" > operations_research::CapAdd< / a > < / div > < div class = "ttdeci" > int64 CapAdd(int64 x, int64 y)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "saturated__arithmetic_8h_source.html#l00124" > saturated_arithmetic.h:124< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aa0787bf78fb09d1e30f2451b5a68d4b8a6faaca695f728b47f47dd389f31e4a93" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aa0787bf78fb09d1e30f2451b5a68d4b8a6faaca695f728b47f47dd389f31e4a93" > operations_research::DimensionSchedulingStatus::INFEASIBLE< / a > < / div > < div class = "ttdeci" > @ INFEASIBLE< / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_ab216763dccd16f5060d2fbcfb08173fb" > < div class = "ttname" > < a href = "namespaceoperations__research.html#ab216763dccd16f5060d2fbcfb08173fb" > operations_research::CapProd< / a > < / div > < div class = "ttdeci" > int64 CapProd(int64 x, int64 y)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "saturated__arithmetic_8h_source.html#l00231" > saturated_arithmetic.h:231< / a > < / div > < / div >
< div class = "ttc" id = "apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pack_8cc_source.html#l00508" > pack.cc:508< / a > < / div > < / div >
< div class = "ttc" id = "arouting_8h_html" > < div class = "ttname" > < a href = "routing_8h.html" > routing.h< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_a10b672faee4b99c6a02feb0e343f3b0f" > < div class = "ttname" > < a href = "routing__flow_8cc.html#a10b672faee4b99c6a02feb0e343f3b0f" > tail< / a > < / div > < div class = "ttdeci" > int64 tail< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00127" > routing_flow.cc:127< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_a26a8cbbc7bcf4117c2bf65104b4a54b4" > < div class = "ttname" > < a href = "routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4" > cost< / a > < / div > < div class = "ttdeci" > int64 cost< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00130" > routing_flow.cc:130< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_ac891d9f514e55ec8ee1212757a147888" > < div class = "ttname" > < a href = "routing__flow_8cc.html#ac891d9f514e55ec8ee1212757a147888" > head< / a > < / div > < div class = "ttdeci" > int64 head< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00128" > routing_flow.cc:128< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_adf3be22c64f10c0783c0cf277e857adf" > < div class = "ttname" > < a href = "routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf" > capacity< / a > < / div > < div class = "ttdeci" > int64 capacity< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00129" > routing_flow.cc:129< / a > < / div > < / div >
< div class = "ttc" id = "arouting__lp__scheduling_8h_html" > < div class = "ttname" > < a href = "routing__lp__scheduling_8h.html" > routing_lp_scheduling.h< / a > < / div > < / div >
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2020-09-02 09:42:51 +02:00
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