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< a href = "arc__flow__builder_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #include " < a class = "code" href = "arc__flow__builder_8h.html" > ortools/packing/arc_flow_builder.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < cstdint> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_map.h" < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include " absl/strings/str_cat.h" < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include " absl/strings/str_join.h" < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #include " < a class = "code" href = "commandlineflags_8h.html" > ortools/base/commandlineflags.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " < a class = "code" href = "map__util_8h.html" > ortools/base/map_util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " < a class = "code" href = "stl__util_8h.html" > ortools/base/stl_util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include " < a class = "code" href = "topologicalsorter_8h.html" > ortools/graph/topologicalsorter.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
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< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1packing.html" > 28< / a > < / span > < span class = "keyword" > namespace < / span > packing {< / div >
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< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "keyword" > class < / span > ArcFlowBuilder {< / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > // Same arguments as BuildArcFlowGraph(): see the .h.< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > ArcFlowBuilder(< span class = "keyword" > const< / span > std::vector< int> & bin_dimensions,< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int> > & item_dimensions_by_type,< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "keyword" > const< / span > std::vector< int> & demand_by_type);< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "comment" > // Builds the arc-flow graph.< / span > < / div >
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< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < a class = "code hl_struct" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html" > ArcFlowGraph< / a > BuildVectorBinPackingGraph();< / div >
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< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // For debugging purposes.tring(< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "comment" > // Returns the number of states explored in the dynamic programming phase.< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > int64_t NumDpStates() < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "comment" > // All items data, regrouped for sorting purposes.< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "keyword" > struct < / span > Item {< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#a85d16954ed793ec11f3250a16cab2a36" > 48< / a > < / span > std::vector< int> < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a85d16954ed793ec11f3250a16cab2a36" > dimensions< / a > ;< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#a03bbf16021794da27dc482d7eb9fc0d1" > 49< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a03bbf16021794da27dc482d7eb9fc0d1" > demand< / a > ;< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#a5139ed46ade38540eb6e74fdfe1f6cdf" > 50< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a5139ed46ade38540eb6e74fdfe1f6cdf" > original_index< / a > ;< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // Used to sort items by relative size.< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "keywordtype" > double< / span > NormalizedSize(< span class = "keyword" > const< / span > std::vector< int> & bin_dimensions) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > };< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > // State of the dynamic programming algorithm.< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keyword" > struct < / span > DpState {< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#a6ea315065af0629a9a1918dc6fc200be" > 58< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a6ea315065af0629a9a1918dc6fc200be" > cur_item_index< / a > ;< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#aae42aa6220faf3fb92b61c3fe6c88648" > 59< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#aae42aa6220faf3fb92b61c3fe6c88648" > cur_item_quantity< / a > ;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > 60< / a > < / span > std::vector< int> < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ;< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > // DP State indices of the states that can be obtained by moving< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // either " right" to (cur_item_index, cur_item_quantity++) or " up" < / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > // to (cur_item_index++, cur_item_quantity=0). -1 if impossible.< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > 64< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > ;< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__builder_8cc.html#a260e42164c01b215483de885316fe5d9" > 65< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a260e42164c01b215483de885316fe5d9" > up_child< / a > ;< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > };< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "comment" > // Add item iteratively to create all possible nodes in a forward pass.< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "keywordtype" > void< / span > ForwardCreationPass(DpState* dp_state);< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "comment" > // Scan DP-nodes backward to relabels each nodes by increasing them as much< / span > < / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "comment" > // as possible.< / span > < / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keywordtype" > void< / span > BackwardCompressionPass(< span class = "keywordtype" > int< / span > state_index);< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "comment" > // Relabel nodes by decreasing them as much as possible.< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < span class = "keywordtype" > void< / span > ForwardCompressionPass(< span class = "keyword" > const< / span > std::vector< int> & source_node);< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < span class = "comment" > // Can we fit one more item in the bin?< / span > < / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < span class = "keywordtype" > bool< / span > CanFitNewItem(< span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , < span class = "keywordtype" > int< / span > item) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "comment" > // Create a new used_dimensions that is used_dimensions + item dimensions.< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > std::vector< int> AddItem(< span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ,< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < span class = "keywordtype" > int< / span > item) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "comment" > // DpState helpers.< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "keywordtype" > int< / span > LookupOrCreateDpState(< span class = "keywordtype" > int< / span > item, < span class = "keywordtype" > int< / span > quantity,< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > );< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "keyword" > const< / span > std::vector< int> bin_dimensions_;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > std::vector< Item> items_;< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "keyword" > typedef< / span > absl::flat_hash_map< std::vector< int> , < span class = "keywordtype" > int< / span > > VectorIntIntMap;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "keywordtype" > int< / span > GetOrCreateNode(< span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > );< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > // We store all DP states in a dense vector, and remember their index< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "comment" > // in the dp_state_index_ map (we use a tri-dimensional indexing because< / span > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "comment" > // it' s faster for the hash part).< / span > < / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > std::vector< DpState*> dp_states_;< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > std::vector< std::vector< VectorIntIntMap> > dp_state_index_;< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "comment" > // The ArcFlowGraph will have nodes which will correspond to " some" < / span > < / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "comment" > // of the vector< int> representing the partial bin usages encountered during< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > // the algo. These two data structures map one to the other (note that nodes< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "comment" > // are dense integers).< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > absl::flat_hash_map< std::vector< int> , < span class = "keywordtype" > int< / span > > node_indices_;< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > std::vector< std::vector< int> > nodes_;< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > std::set< ArcFlowGraph::Arc> arcs_;< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > };< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keywordtype" > double< / span > ArcFlowBuilder::Item::NormalizedSize(< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "keyword" > const< / span > std::vector< int> & bin_dimensions)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "keywordtype" > double< / span > size = 0.0;< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < bin_dimensions.size(); ++i) {< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > size += < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a85d16954ed793ec11f3250a16cab2a36" > dimensions< / a > [i]) / bin_dimensions[i];< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > }< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < span class = "keywordflow" > return< / span > size;< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > }< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > int64_t ArcFlowBuilder::NumDpStates()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > int64_t res = 1; < span class = "comment" > // We do not store the initial state.< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & it1 : dp_state_index_) {< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & it2 : it1) {< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > res += it2.size();< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > }< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > }< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > }< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > ArcFlowBuilder::ArcFlowBuilder(< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keyword" > const< / span > std::vector< int> & bin_dimensions,< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int> > & item_dimensions_by_type,< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keyword" > const< / span > std::vector< int> & demand_by_type)< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > : bin_dimensions_(bin_dimensions) {< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "comment" > // Checks dimensions.< / span > < / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < bin_dimensions.size(); ++i) {< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > (bin_dimensions[i], 0);< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > }< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_items = item_dimensions_by_type.size();< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > items_.resize(num_items);< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_items; ++i) {< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > items_[i].dimensions = item_dimensions_by_type[i];< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > items_[i].demand = demand_by_type[i];< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > items_[i].original_index = i;< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > }< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > std::sort(items_.begin(), items_.end(), [& ](< span class = "keyword" > const< / span > Item& < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keyword" > const< / span > Item& < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > ) {< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > return a.NormalizedSize(bin_dimensions_) > < / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > b.NormalizedSize(bin_dimensions_);< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > });< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > }< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < span class = "keywordtype" > bool< / span > ArcFlowBuilder::CanFitNewItem(< span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ,< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "keywordtype" > int< / span > item)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > d = 0; d < bin_dimensions_.size(); ++d) {< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > [d] + items_[item].< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a85d16954ed793ec11f3250a16cab2a36" > dimensions< / a > [d] > bin_dimensions_[d]) {< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > }< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > }< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > }< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > std::vector< int> ArcFlowBuilder::AddItem(< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , < span class = "keywordtype" > int< / span > item)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (CanFitNewItem(< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , item));< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > std::vector< int> result = < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ;< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > d = 0; d < bin_dimensions_.size(); ++d) {< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > result[d] += items_[item].dimensions[d];< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > }< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > }< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < span class = "keywordtype" > int< / span > ArcFlowBuilder::GetOrCreateNode(< span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ) {< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & it = node_indices_.find(< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > );< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "keywordflow" > if< / span > (it != node_indices_.end()) {< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keywordflow" > return< / span > it-> second;< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > }< / div >
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< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = node_indices_.size();< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > node_indices_[< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ] = < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ;< / div >
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< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > nodes_.push_back(< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > );< / div >
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< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ;< / div >
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< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > }< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > ArcFlowGraph ArcFlowBuilder::BuildVectorBinPackingGraph() {< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "comment" > // Initialize the DP states map.< / span > < / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > dp_state_index_.resize(items_.size());< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < items_.size(); ++i) {< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > dp_state_index_[i].resize(items_[i].< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a03bbf16021794da27dc482d7eb9fc0d1" > demand< / a > + 1);< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > }< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < span class = "comment" > // Explore all possible DP states (starting from the initial ' empty' state),< / span > < / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "comment" > // and remember their ancestry.< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > std::vector< int> zero(bin_dimensions_.size(), 0);< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > dp_states_.push_back(< span class = "keyword" > new< / span > DpState({0, 0, zero, -1, -1}));< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < dp_states_.size(); ++i) {< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > ForwardCreationPass(dp_states_[i]);< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > }< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > < span class = "comment" > // We can clear the dp_state_index map as it will not be used anymore.< / span > < / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < span class = "comment" > // From now on, we will use the dp_states.used_dimensions to store the new< / span > < / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "comment" > // labels in the backward pass.< / span > < / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < span class = "keyword" > const< / span > int64_t num_dp_states = NumDpStates();< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > dp_state_index_.clear();< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < span class = "comment" > // Backwards pass: " push" the bin dimensions as far as possible.< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_states = dp_states_.size();< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > std::vector< std::pair< int, int> > flat_deps;< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < dp_states_.size(); ++i) {< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < span class = "keywordflow" > if< / span > (dp_states_[i]-> < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a260e42164c01b215483de885316fe5d9" > up_child< / a > != -1) {< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > flat_deps.push_back(std::make_pair(dp_states_[i]-> < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a260e42164c01b215483de885316fe5d9" > up_child< / a > , i));< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > }< / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < span class = "keywordflow" > if< / span > (dp_states_[i]-> < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > != -1) {< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > flat_deps.push_back(std::make_pair(dp_states_[i]-> < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > , i));< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > }< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > }< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keyword" > const< / span > std::vector< int> sorted_work =< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < a class = "code hl_function" href = "namespaceutil_1_1graph.html#a1b429182836eddf34189e5af39f1e886" > util::graph::DenseIntStableTopologicalSortOrDie< / a > (num_states, flat_deps);< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > w : sorted_work) {< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > BackwardCompressionPass(w);< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > }< / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "comment" > // ForwardCreationPass again, push the bin dimensions as low as possible.< / span > < / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > < span class = "keyword" > const< / span > std::vector< int> source_node = dp_states_[0]-> used_dimensions;< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "comment" > // We can now delete the states stored in dp_states_.< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < a class = "code hl_function" href = "namespacegtl.html#a4ee3db0c4acaa0f277a0d7006f5ad1e6" > gtl::STLDeleteElements< / a > (& dp_states_);< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > ForwardCompressionPass(source_node);< / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > < span class = "comment" > // We need to connect all nodes that corresponds to at least one item selected< / span > < / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < span class = "comment" > // to the sink node.< / span > < / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sink_node_index = nodes_.size() - 1;< / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node = 1; node < sink_node_index; ++node) {< / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > arcs_.insert({node, sink_node_index, -1});< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > }< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > ArcFlowGraph result;< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > result.arcs.assign(arcs_.begin(), arcs_.end());< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > result.nodes.assign(nodes_.begin(), nodes_.end());< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > result.num_dp_states = num_dp_states;< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > }< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < span class = "keywordtype" > int< / span > ArcFlowBuilder::LookupOrCreateDpState(< / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > < span class = "keywordtype" > int< / span > item, < span class = "keywordtype" > int< / span > quantity, < span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > ) {< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > VectorIntIntMap& map = dp_state_index_[item][quantity];< / div >
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< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > =< / div >
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< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > map.insert({< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , dp_states_.size()}).first-> second;< / div >
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< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < a class = "code hl_function" href = "parser_8yy_8cc.html#a33e91cd0cef6786e9e3a27ac67707207" > if< / a > (< a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > == dp_states_.size()) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > dp_states_.push_back(< / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < span class = "keyword" > new< / span > DpState({item, quantity, < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , -1, -1}));< / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > }< / div >
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< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > }< / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > < / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "keywordtype" > void< / span > ArcFlowBuilder::ForwardCreationPass(DpState* dp_state) {< / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > item = dp_state-> cur_item_index;< / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > quantity = dp_state-> cur_item_quantity;< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > < span class = "keyword" > const< / span > std::vector< int> & < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > = dp_state-> used_dimensions;< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > < span class = "comment" > // Explore path up.< / span > < / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > < span class = "keywordflow" > if< / span > (item < items_.size() - 1) {< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > dp_state-> up_child = LookupOrCreateDpState(item + 1, 0, < a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > );< / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > dp_state-> up_child = -1;< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > }< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > < / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > < span class = "comment" > // Explore path right.< / span > < / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < span class = "keywordflow" > if< / span > (quantity < items_[item].< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a03bbf16021794da27dc482d7eb9fc0d1" > demand< / a > & & CanFitNewItem(< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , item)) {< / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > < span class = "keyword" > const< / span > std::vector< int> added = AddItem(< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > , item);< / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > dp_state-> right_child = LookupOrCreateDpState(item, quantity + 1, added);< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > dp_state-> right_child = -1;< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > }< / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > }< / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > < / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < span class = "keywordtype" > void< / span > ArcFlowBuilder::BackwardCompressionPass(< span class = "keywordtype" > int< / span > state_index) {< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > < span class = "comment" > // The goal of this function is to fill this.< / span > < / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > std::vector< int> & result = dp_states_[state_index]-> used_dimensions;< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > < / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < span class = "comment" > // Inherit our result from the result one step up.< / span > < / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > up_index = dp_states_[state_index]-> up_child;< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < span class = "keyword" > const< / span > std::vector< int> & result_up =< / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > up_index == -1 ? bin_dimensions_ : dp_states_[up_index]-> used_dimensions;< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > result = result_up;< / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > < / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < span class = "comment" > // Adjust our result from the result one step right.< / span > < / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > right_index = dp_states_[state_index]-> right_child;< / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > < span class = "keywordflow" > if< / span > (right_index == -1) < span class = "keywordflow" > return< / span > ; < span class = "comment" > // We' re done.< / span > < / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > < span class = "keyword" > const< / span > std::vector< int> & result_right =< / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > dp_states_[right_index]-> used_dimensions;< / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > < span class = "keyword" > const< / span > Item& item = items_[dp_states_[state_index]-> cur_item_index];< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > d = 0; d < bin_dimensions_.size(); ++d) {< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > result[d] = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (result[d], result_right[d] - item.dimensions[d]);< / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > }< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > < / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > < span class = "comment" > // Insert the arc from the node to the " right" node.< / span > < / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > node = GetOrCreateNode(result);< / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > right_node = GetOrCreateNode(result_right);< / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > (node, right_node);< / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > arcs_.insert({node, right_node, item.original_index});< / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < span class = "comment" > // Also insert the ' dotted' arc from the node to the " up" node (if different).< / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "keywordflow" > if< / span > (result != result_up) {< / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > up_node = GetOrCreateNode(result_up);< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > arcs_.insert({node, up_node, -1});< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > }< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > }< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > < / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < span class = "comment" > // Reverse version of the backward pass.< / span > < / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > < span class = "comment" > // Revisit states forward, and relabel nodes with the longest path in each< / span > < / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > < span class = "comment" > // dimensions from the source. The only meaningfull difference is that we use< / span > < / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > < span class = "comment" > // arcs and nodes, instead of dp_states.< / span > < / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > < span class = "keywordtype" > void< / span > ArcFlowBuilder::ForwardCompressionPass(< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > < span class = "keyword" > const< / span > std::vector< int> & source_node) {< / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = node_indices_.size();< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_dims = bin_dimensions_.size();< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > std::set< ArcFlowGraph::Arc> new_arcs;< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > std::vector< std::vector< int> > new_nodes;< / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > VectorIntIntMap new_node_indices;< / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > std::vector< int> node_remap(num_nodes, -1);< / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > < span class = "comment" > // We need to revert the sorting of items as arcs store the original index.< / span > < / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > std::vector< int> reverse_item_index_map(items_.size(), -1);< / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < items_.size(); ++i) {< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > reverse_item_index_map[items_[i].original_index] = i;< / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > }< / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > std::vector< std::pair< int, int> > forward_deps;< / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > std::vector< std::vector< ArcFlowGraph::Arc> > incoming_arcs(num_nodes);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > ArcFlowGraph::Arc< / a > & < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > : arcs_) {< / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > forward_deps.push_back(std::make_pair(< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination));< / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > incoming_arcs[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination].push_back(< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > }< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > < / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < span class = "keyword" > const< / span > std::vector< int> sorted_work =< / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < a class = "code hl_function" href = "namespaceutil_1_1graph.html#a1b429182836eddf34189e5af39f1e886" > util::graph::DenseIntStableTopologicalSortOrDie< / a > (num_nodes, forward_deps);< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > < / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > old_source_node = GetOrCreateNode(source_node);< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > old_sink_node = GetOrCreateNode(bin_dimensions_);< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (sorted_work.front(), old_source_node);< / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (sorted_work.back(), old_sink_node);< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > < / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < span class = "comment" > // Process nodes in order and remap state to max(previous_state + item< / span > < / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > < span class = "comment" > // dimensions).< / span > < / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > w : sorted_work) {< / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > std::vector< int> new_used(num_dims, 0);< / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < span class = "keywordflow" > if< / span > (w == sorted_work.back()) { < span class = "comment" > // Do not compress the sink node.< / span > < / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > new_used = bin_dimensions_;< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > } < span class = "keywordflow" > else< / span > {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > ArcFlowGraph::Arc< / a > & < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > : incoming_arcs[w]) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > item =< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index == -1 ? -1 : reverse_item_index_map[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index];< / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > prev_node = node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source];< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < span class = "keyword" > const< / span > std::vector< int> & prev = new_nodes[prev_node];< / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > (prev_node, -1);< / div >
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > d = 0; d < num_dims; ++d) {< / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > < span class = "keywordflow" > if< / span > (item != -1) {< / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > new_used[d] =< / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (new_used[d], prev[d] + items_[item].< a class = "code hl_variable" href = "arc__flow__builder_8cc.html#a85d16954ed793ec11f3250a16cab2a36" > dimensions< / a > [d]);< / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > new_used[d] = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (new_used[d], prev[d]);< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > }< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > }< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > }< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > }< / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & it = new_node_indices.find(new_used);< / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > < span class = "keywordflow" > if< / span > (it != new_node_indices.end()) {< / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > node_remap[w] = it-> second;< / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > new_index = new_nodes.size();< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > new_nodes.push_back(new_used);< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > new_node_indices[new_used] = new_index;< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > node_remap[w] = new_index;< / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > }< / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > }< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < span class = "comment" > // Remap arcs.< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > ArcFlowGraph::Arc< / a > & < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > : arcs_) {< / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source], -1);< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination], -1);< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > < span class = "comment" > // Remove loss arcs between merged nodes.< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index == -1 & & < / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source] == node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination])< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > new_arcs.insert(< / div >
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< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > {node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source], node_remap[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination], < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index});< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > }< / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Reduced nodes from " < / span > < < num_nodes < < < span class = "stringliteral" > " to " < / span > < < new_nodes.size();< / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Reduced arcs from " < / span > < < arcs_.size() < < < span class = "stringliteral" > " to " < / span > < < new_arcs.size();< / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > nodes_ = new_nodes;< / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > arcs_ = new_arcs;< / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (node_remap[old_source_node], -1);< / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (0, node_remap[old_source_node]);< / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (node_remap[old_sink_node], -1);< / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (nodes_.size() - 1, node_remap[old_sink_node]);< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > }< / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > < / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > < / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#aa35720e78eab1f8a077d383799ebed93" > 393< / a > < / span > < span class = "keywordtype" > bool< / span > ArcFlowGraph::Arc::operator< (< span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html" > ArcFlowGraph::Arc< / a > & other)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > < span class = "keywordflow" > if< / span > (source != other.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a07a87b2e6ed927503e2f95f119c9fc23" > source< / a > ) < span class = "keywordflow" > return< / span > source < other.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a07a87b2e6ed927503e2f95f119c9fc23" > source< / a > ;< / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > < span class = "keywordflow" > if< / span > (destination != other.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a17744967a9eda456c21490b51b74917a" > destination< / a > ) < span class = "keywordflow" > return< / span > destination < other.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a17744967a9eda456c21490b51b74917a" > destination< / a > ;< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < span class = "keywordflow" > return< / span > item_index < other.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a0540161270ce77bf9080009fb3263264" > item_index< / a > ;< / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > }< / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > < / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1packing.html#a43c15c357e1f59a9ff10700a5ac7b63e" > 399< / a > < / span > < a class = "code hl_struct" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html" > ArcFlowGraph< / a > < a class = "code hl_function" href = "namespaceoperations__research_1_1packing.html#a43c15c357e1f59a9ff10700a5ac7b63e" > BuildArcFlowGraph< / a > (< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > < span class = "keyword" > const< / span > std::vector< int> & bin_dimensions,< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > < span class = "keyword" > const< / span > std::vector< std::vector< int> > & item_dimensions_by_type,< / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > < span class = "keyword" > const< / span > std::vector< int> & demand_by_type) {< / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > ArcFlowBuilder afb(bin_dimensions, item_dimensions_by_type, demand_by_type);< / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > < span class = "keywordflow" > return< / span > afb.BuildVectorBinPackingGraph();< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > }< / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > < / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > } < span class = "comment" > // namespace packing< / span > < / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > max< / a > < / div > < div class = "ttdeci" > int64_t max< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00140" > alldiff_cst.cc:140< / a > < / div > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > min< / a > < / div > < div class = "ttdeci" > int64_t min< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00139" > alldiff_cst.cc:139< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a03bbf16021794da27dc482d7eb9fc0d1" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a03bbf16021794da27dc482d7eb9fc0d1" > demand< / a > < / div > < div class = "ttdeci" > int demand< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00049" > arc_flow_builder.cc:49< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a260e42164c01b215483de885316fe5d9" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a260e42164c01b215483de885316fe5d9" > up_child< / a > < / div > < div class = "ttdeci" > int up_child< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00065" > arc_flow_builder.cc:65< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a37a60bd8e1de6871a556b2822884edea" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a37a60bd8e1de6871a556b2822884edea" > right_child< / a > < / div > < div class = "ttdeci" > int right_child< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00064" > arc_flow_builder.cc:64< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a5139ed46ade38540eb6e74fdfe1f6cdf" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a5139ed46ade38540eb6e74fdfe1f6cdf" > original_index< / a > < / div > < div class = "ttdeci" > int original_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00050" > arc_flow_builder.cc:50< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a6ea315065af0629a9a1918dc6fc200be" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a6ea315065af0629a9a1918dc6fc200be" > cur_item_index< / a > < / div > < div class = "ttdeci" > int cur_item_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00058" > arc_flow_builder.cc:58< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_a85d16954ed793ec11f3250a16cab2a36" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#a85d16954ed793ec11f3250a16cab2a36" > dimensions< / a > < / div > < div class = "ttdeci" > std::vector< int > dimensions< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00048" > arc_flow_builder.cc:48< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_aae42aa6220faf3fb92b61c3fe6c88648" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#aae42aa6220faf3fb92b61c3fe6c88648" > cur_item_quantity< / a > < / div > < div class = "ttdeci" > int cur_item_quantity< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00059" > arc_flow_builder.cc:59< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8cc_html_ad249426c3cedf4f2cc83386b8d884c00" > < div class = "ttname" > < a href = "arc__flow__builder_8cc.html#ad249426c3cedf4f2cc83386b8d884c00" > used_dimensions< / a > < / div > < div class = "ttdeci" > std::vector< int > used_dimensions< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00060" > arc_flow_builder.cc:60< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__builder_8h_html" > < div class = "ttname" > < a href = "arc__flow__builder_8h.html" > arc_flow_builder.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0" > < div class = "ttname" > < a href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > < / div > < div class = "ttdeci" > #define DCHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00892" > base/logging.h:892< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > < / div > < div class = "ttdeci" > #define CHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00703" > base/logging.h:703< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7e03ec13560fa94a8fea569960d7efc6" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > < / div > < div class = "ttdeci" > #define CHECK_GT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00708" > base/logging.h:708< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > < / div > < div class = "ttdeci" > #define CHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00704" > base/logging.h:704< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00890" > base/logging.h:890< / a > < / div > < / div >
< 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#l00984" > base/logging.h:984< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "acommandlineflags_8h_html" > < div class = "ttname" > < a href = "commandlineflags_8h.html" > commandlineflags.h< / a > < / div > < / div >
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > < / div > < div class = "ttdeci" > int64_t b< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00047" > constraint_solver/table.cc:47< / a > < / div > < / div >
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > < / div > < div class = "ttdeci" > int64_t a< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00046" > constraint_solver/table.cc:46< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "alocal__search_8cc_html_a30b5726116ac85ea64777e5d6e333894" > < div class = "ttname" > < a href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > < / div > < div class = "ttdeci" > int arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02751" > local_search.cc:2751< / a > < / div > < / div >
< div class = "ttc" id = "alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02750" > local_search.cc:2750< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "amap__util_8h_html" > < div class = "ttname" > < a href = "map__util_8h.html" > map_util.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_a4ee3db0c4acaa0f277a0d7006f5ad1e6" > < div class = "ttname" > < a href = "namespacegtl.html#a4ee3db0c4acaa0f277a0d7006f5ad1e6" > gtl::STLDeleteElements< / a > < / div > < div class = "ttdeci" > void STLDeleteElements(T *container)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stl__util_8h_source.html#l00372" > stl_util.h:372< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1packing_html_a43c15c357e1f59a9ff10700a5ac7b63e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1packing.html#a43c15c357e1f59a9ff10700a5ac7b63e" > operations_research::packing::BuildArcFlowGraph< / a > < / div > < div class = "ttdeci" > ArcFlowGraph BuildArcFlowGraph(const std::vector< int > & bin_dimensions, const std::vector< std::vector< int > > & item_dimensions_by_type, const std::vector< int > & demand_by_type)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00399" > arc_flow_builder.cc:399< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a7deeae530369e107f9d91c1a189f451f" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > operations_research::Arc< / a > < / div > < div class = "ttdeci" > std::pair< int64_t, int64_t > Arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "search_8cc_source.html#l03434" > search.cc:3434< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "anamespaceutil_1_1graph_html_a1b429182836eddf34189e5af39f1e886" > < div class = "ttname" > < a href = "namespaceutil_1_1graph.html#a1b429182836eddf34189e5af39f1e886" > util::graph::DenseIntStableTopologicalSortOrDie< / a > < / div > < div class = "ttdeci" > std::vector< int > DenseIntStableTopologicalSortOrDie(int num_nodes, const std::vector< std::pair< int, int > > & arcs)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "topologicalsorter_8h_source.html#l00526" > topologicalsorter.h:526< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aparser_8yy_8cc_html_a33e91cd0cef6786e9e3a27ac67707207" > < div class = "ttname" > < a href = "parser_8yy_8cc.html#a33e91cd0cef6786e9e3a27ac67707207" > if< / a > < / div > < div class = "ttdeci" > if(!yyg-> yy_init)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "parser_8yy_8cc_source.html#l00965" > parser.yy.cc:965< / a > < / div > < / div >
< div class = "ttc" id = "astl__util_8h_html" > < div class = "ttname" > < a href = "stl__util_8h.html" > stl_util.h< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc_html" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html" > operations_research::packing::ArcFlowGraph::Arc< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00057" > arc_flow_builder.h:57< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc_html_a0540161270ce77bf9080009fb3263264" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a0540161270ce77bf9080009fb3263264" > operations_research::packing::ArcFlowGraph::Arc::item_index< / a > < / div > < div class = "ttdeci" > int item_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00060" > arc_flow_builder.h:60< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc_html_a07a87b2e6ed927503e2f95f119c9fc23" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a07a87b2e6ed927503e2f95f119c9fc23" > operations_research::packing::ArcFlowGraph::Arc::source< / a > < / div > < div class = "ttdeci" > int source< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00058" > arc_flow_builder.h:58< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc_html_a17744967a9eda456c21490b51b74917a" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html#a17744967a9eda456c21490b51b74917a" > operations_research::packing::ArcFlowGraph::Arc::destination< / a > < / div > < div class = "ttdeci" > int destination< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00059" > arc_flow_builder.h:59< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_html" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html" > operations_research::packing::ArcFlowGraph< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00056" > arc_flow_builder.h:56< / a > < / div > < / div >
< div class = "ttc" id = "atopologicalsorter_8h_html" > < div class = "ttname" > < a href = "topologicalsorter_8h.html" > topologicalsorter.h< / a > < / div > < / div >
2021-09-30 01:18:45 +02:00
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