itroduce ADL via algorithm specific ch, corech and mld namespaces
This commit is contained in:
@@ -19,6 +19,8 @@ namespace engine
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{
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namespace routing_algorithms
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{
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namespace ch
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{
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namespace
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{
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@@ -48,15 +50,14 @@ struct RankedCandidateNode
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// todo: reorder parameters
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template <bool DIRECTION>
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void alternativeRoutingStep(
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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QueryHeap &heap1,
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QueryHeap &heap2,
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NodeID *middle_node,
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EdgeWeight *upper_bound_to_shortest_path_weight,
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std::vector<NodeID> &search_space_intersection,
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std::vector<SearchSpaceEdge> &search_space,
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const EdgeWeight min_edge_offset)
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void alternativeRoutingStep(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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QueryHeap &heap1,
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QueryHeap &heap2,
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NodeID *middle_node,
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EdgeWeight *upper_bound_to_shortest_path_weight,
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std::vector<NodeID> &search_space_intersection,
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std::vector<SearchSpaceEdge> &search_space,
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const EdgeWeight min_edge_offset)
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{
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QueryHeap &forward_heap = DIRECTION == FORWARD_DIRECTION ? heap1 : heap2;
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QueryHeap &reverse_heap = DIRECTION == FORWARD_DIRECTION ? heap2 : heap1;
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@@ -154,7 +155,7 @@ void retrievePackedAlternatePath(const QueryHeap &forward_heap1,
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// done at this stage
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void computeLengthAndSharingOfViaPath(
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SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const NodeID via_node,
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int *real_length_of_via_path,
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int *sharing_of_via_path,
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@@ -319,7 +320,7 @@ void computeLengthAndSharingOfViaPath(
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// conduct T-Test
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bool viaNodeCandidatePassesTTest(
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SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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QueryHeap &existing_forward_heap,
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QueryHeap &existing_reverse_heap,
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QueryHeap &new_forward_heap,
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@@ -563,7 +564,7 @@ bool viaNodeCandidatePassesTTest(
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InternalRouteResult
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alternativePathSearch(SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const PhantomNodes &phantom_node_pair)
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{
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InternalRouteResult raw_route_data;
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@@ -846,6 +847,7 @@ alternativePathSearch(SearchEngineData &engine_working_data,
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return raw_route_data;
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}
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} // namespace ch
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} // namespace routing_algorithms
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} // namespace engine
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} // namespace osrm}
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@@ -109,7 +109,7 @@ InternalRouteResult directShortestPathSearchImpl(
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template <>
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InternalRouteResult directShortestPathSearch(
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SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CoreCH> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<corech::Algorithm> &facade,
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const PhantomNodes &phantom_nodes)
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{
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return ch::directShortestPathSearchImpl(engine_working_data, facade, phantom_nodes);
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@@ -118,7 +118,7 @@ InternalRouteResult directShortestPathSearch(
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template <>
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InternalRouteResult directShortestPathSearch(
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SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<ch::Algorithm> &facade,
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const PhantomNodes &phantom_nodes)
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{
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return ch::directShortestPathSearchImpl(engine_working_data, facade, phantom_nodes);
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@@ -127,7 +127,7 @@ InternalRouteResult directShortestPathSearch(
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template <>
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InternalRouteResult directShortestPathSearch(
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SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::MLD> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<mld::Algorithm> &facade,
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const PhantomNodes &phantom_nodes)
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{
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engine_working_data.InitializeOrClearMultiLayerDijkstraThreadLocalStorage(
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@@ -17,6 +17,9 @@ namespace routing_algorithms
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using ManyToManyQueryHeap = SearchEngineData::ManyToManyQueryHeap;
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namespace ch
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{
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namespace
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{
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struct NodeBucket
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@@ -34,7 +37,7 @@ struct NodeBucket
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using SearchSpaceWithBuckets = std::unordered_map<NodeID, std::vector<NodeBucket>>;
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template <bool DIRECTION>
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void relaxOutgoingEdges(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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void relaxOutgoingEdges(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const NodeID node,
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const EdgeWeight weight,
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const EdgeWeight duration,
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@@ -69,7 +72,7 @@ void relaxOutgoingEdges(const datafacade::ContiguousInternalMemoryDataFacade<alg
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}
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}
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void forwardRoutingStep(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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void forwardRoutingStep(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const unsigned row_idx,
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const unsigned number_of_targets,
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ManyToManyQueryHeap &query_heap,
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@@ -126,11 +129,10 @@ void forwardRoutingStep(const datafacade::ContiguousInternalMemoryDataFacade<alg
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relaxOutgoingEdges<FORWARD_DIRECTION>(facade, node, source_weight, source_duration, query_heap);
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}
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void backwardRoutingStep(
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const unsigned column_idx,
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ManyToManyQueryHeap &query_heap,
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SearchSpaceWithBuckets &search_space_with_buckets)
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void backwardRoutingStep(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const unsigned column_idx,
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ManyToManyQueryHeap &query_heap,
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SearchSpaceWithBuckets &search_space_with_buckets)
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{
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const NodeID node = query_heap.DeleteMin();
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const EdgeWeight target_weight = query_heap.GetKey(node);
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@@ -150,7 +152,7 @@ void backwardRoutingStep(
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std::vector<EdgeWeight>
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manyToManySearch(SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const std::vector<PhantomNode> &phantom_nodes,
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const std::vector<std::size_t> &source_indices,
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const std::vector<std::size_t> &target_indices)
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@@ -240,6 +242,7 @@ manyToManySearch(SearchEngineData &engine_working_data,
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return durations_table;
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}
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} // namespace ch
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} // namespace routing_algorithms
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} // namespace engine
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} // namespace osrm
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@@ -419,14 +419,15 @@ mapMatchingImpl(SearchEngineData &engine_working_data,
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return sub_matchings;
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}
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SubMatchingList
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mapMatching(SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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const CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool use_tidying)
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namespace ch
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{
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SubMatchingList mapMatching(SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool use_tidying)
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{
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return mapMatchingImpl(engine_working_data,
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facade,
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@@ -436,15 +437,17 @@ mapMatching(SearchEngineData &engine_working_data,
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trace_gps_precision,
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use_tidying);
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}
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}
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SubMatchingList
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mapMatching(SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CoreCH> &facade,
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const CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool use_tidying)
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namespace corech
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{
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SubMatchingList mapMatching(SearchEngineData &engine_working_data,
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const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool use_tidying)
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{
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return mapMatchingImpl(engine_working_data,
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@@ -455,6 +458,7 @@ mapMatching(SearchEngineData &engine_working_data,
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trace_gps_precision,
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use_tidying);
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}
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}
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} // namespace routing_algorithms
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} // namespace engine
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@@ -16,7 +16,7 @@ namespace ch
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* @param to the node the CH edge finishes at
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* @param unpacked_path the sequence of original NodeIDs that make up the expanded CH edge
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*/
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void unpackEdge(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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void unpackEdge(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const NodeID from,
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const NodeID to,
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std::vector<NodeID> &unpacked_path)
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@@ -71,7 +71,7 @@ void retrievePackedPathFromSingleHeap(const SearchEngineData::QueryHeap &search_
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// && source_phantom.GetForwardWeightPlusOffset() > target_phantom.GetForwardWeightPlusOffset())
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// requires
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// a force loop, if the heaps have been initialized with positive offsets.
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void search(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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void search(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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SearchEngineData::QueryHeap &forward_heap,
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SearchEngineData::QueryHeap &reverse_heap,
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EdgeWeight &weight,
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@@ -139,190 +139,6 @@ void search(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH>
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}
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}
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// assumes that heaps are already setup correctly.
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// A forced loop might be necessary, if source and target are on the same segment.
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// If this is the case and the offsets of the respective direction are larger for the source
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// than the target
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// then a force loop is required (e.g. source_phantom.forward_segment_id ==
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// target_phantom.forward_segment_id
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// && source_phantom.GetForwardWeightPlusOffset() > target_phantom.GetForwardWeightPlusOffset())
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// requires
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// a force loop, if the heaps have been initialized with positive offsets.
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void search(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CoreCH> &facade,
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SearchEngineData::QueryHeap &forward_heap,
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SearchEngineData::QueryHeap &reverse_heap,
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SearchEngineData::QueryHeap &forward_core_heap,
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SearchEngineData::QueryHeap &reverse_core_heap,
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EdgeWeight &weight,
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std::vector<NodeID> &packed_leg,
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const bool force_loop_forward,
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const bool force_loop_reverse,
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EdgeWeight weight_upper_bound)
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{
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NodeID middle = SPECIAL_NODEID;
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weight = weight_upper_bound;
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using CoreEntryPoint = std::tuple<NodeID, EdgeWeight, NodeID>;
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std::vector<CoreEntryPoint> forward_entry_points;
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std::vector<CoreEntryPoint> reverse_entry_points;
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// get offset to account for offsets on phantom nodes on compressed edges
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const auto min_edge_offset = std::min(0, forward_heap.MinKey());
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// we only every insert negative offsets for nodes in the forward heap
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BOOST_ASSERT(reverse_heap.MinKey() >= 0);
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// run two-Target Dijkstra routing step.
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while (0 < (forward_heap.Size() + reverse_heap.Size()))
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{
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if (!forward_heap.Empty())
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{
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if (facade.IsCoreNode(forward_heap.Min()))
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{
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const NodeID node = forward_heap.DeleteMin();
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const EdgeWeight key = forward_heap.GetKey(node);
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forward_entry_points.emplace_back(node, key, forward_heap.GetData(node).parent);
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}
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else
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{
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routingStep<FORWARD_DIRECTION>(facade,
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forward_heap,
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reverse_heap,
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middle,
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weight,
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min_edge_offset,
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force_loop_forward,
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force_loop_reverse);
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}
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}
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if (!reverse_heap.Empty())
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{
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if (facade.IsCoreNode(reverse_heap.Min()))
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{
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const NodeID node = reverse_heap.DeleteMin();
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const EdgeWeight key = reverse_heap.GetKey(node);
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reverse_entry_points.emplace_back(node, key, reverse_heap.GetData(node).parent);
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}
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else
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{
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routingStep<REVERSE_DIRECTION>(facade,
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reverse_heap,
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forward_heap,
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middle,
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weight,
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min_edge_offset,
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force_loop_reverse,
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force_loop_forward);
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}
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}
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}
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const auto insertInCoreHeap = [](const CoreEntryPoint &p,
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SearchEngineData::QueryHeap &core_heap) {
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NodeID id;
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EdgeWeight weight;
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NodeID parent;
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// TODO this should use std::apply when we get c++17 support
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std::tie(id, weight, parent) = p;
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core_heap.Insert(id, weight, parent);
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};
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forward_core_heap.Clear();
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for (const auto &p : forward_entry_points)
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{
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insertInCoreHeap(p, forward_core_heap);
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}
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reverse_core_heap.Clear();
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for (const auto &p : reverse_entry_points)
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{
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insertInCoreHeap(p, reverse_core_heap);
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}
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// get offset to account for offsets on phantom nodes on compressed edges
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EdgeWeight min_core_edge_offset = 0;
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if (forward_core_heap.Size() > 0)
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{
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min_core_edge_offset = std::min(min_core_edge_offset, forward_core_heap.MinKey());
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}
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if (reverse_core_heap.Size() > 0 && reverse_core_heap.MinKey() < 0)
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{
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min_core_edge_offset = std::min(min_core_edge_offset, reverse_core_heap.MinKey());
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}
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BOOST_ASSERT(min_core_edge_offset <= 0);
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// run two-target Dijkstra routing step on core with termination criterion
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while (0 < forward_core_heap.Size() && 0 < reverse_core_heap.Size() &&
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weight > (forward_core_heap.MinKey() + reverse_core_heap.MinKey()))
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{
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routingStep<FORWARD_DIRECTION, DISABLE_STALLING>(facade,
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forward_core_heap,
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reverse_core_heap,
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middle,
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weight,
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min_core_edge_offset,
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force_loop_forward,
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force_loop_reverse);
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routingStep<REVERSE_DIRECTION, DISABLE_STALLING>(facade,
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reverse_core_heap,
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forward_core_heap,
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middle,
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weight,
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min_core_edge_offset,
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force_loop_reverse,
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force_loop_forward);
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}
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// No path found for both target nodes?
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if (weight_upper_bound <= weight || SPECIAL_NODEID == middle)
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{
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weight = INVALID_EDGE_WEIGHT;
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return;
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}
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// Was a paths over one of the forward/reverse nodes not found?
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BOOST_ASSERT_MSG((SPECIAL_NODEID != middle && INVALID_EDGE_WEIGHT != weight), "no path found");
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// we need to unpack sub path from core heaps
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if (facade.IsCoreNode(middle))
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{
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if (weight != forward_core_heap.GetKey(middle) + reverse_core_heap.GetKey(middle))
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{
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// self loop
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BOOST_ASSERT(forward_core_heap.GetData(middle).parent == middle &&
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reverse_core_heap.GetData(middle).parent == middle);
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packed_leg.push_back(middle);
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packed_leg.push_back(middle);
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}
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else
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{
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std::vector<NodeID> packed_core_leg;
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retrievePackedPathFromHeap(
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forward_core_heap, reverse_core_heap, middle, packed_core_leg);
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BOOST_ASSERT(packed_core_leg.size() > 0);
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retrievePackedPathFromSingleHeap(forward_heap, packed_core_leg.front(), packed_leg);
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std::reverse(packed_leg.begin(), packed_leg.end());
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packed_leg.insert(packed_leg.end(), packed_core_leg.begin(), packed_core_leg.end());
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retrievePackedPathFromSingleHeap(reverse_heap, packed_core_leg.back(), packed_leg);
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}
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}
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else
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{
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if (weight != forward_heap.GetKey(middle) + reverse_heap.GetKey(middle))
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{
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// self loop
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BOOST_ASSERT(forward_heap.GetData(middle).parent == middle &&
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reverse_heap.GetData(middle).parent == middle);
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packed_leg.push_back(middle);
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packed_leg.push_back(middle);
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}
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else
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{
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retrievePackedPathFromHeap(forward_heap, reverse_heap, middle, packed_leg);
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}
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}
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}
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bool needsLoopForward(const PhantomNode &source_phantom, const PhantomNode &target_phantom)
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{
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return source_phantom.forward_segment_id.enabled && target_phantom.forward_segment_id.enabled &&
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@@ -339,7 +155,7 @@ bool needsLoopBackwards(const PhantomNode &source_phantom, const PhantomNode &ta
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target_phantom.GetReverseWeightPlusOffset();
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}
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double getPathDistance(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
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double getPathDistance(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
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const std::vector<NodeID> &packed_path,
|
||||
const PhantomNode &source_phantom,
|
||||
const PhantomNode &target_phantom)
|
||||
@@ -398,54 +214,12 @@ double getPathDistance(const datafacade::ContiguousInternalMemoryDataFacade<algo
|
||||
// Requires the heaps for be empty
|
||||
// If heaps should be adjusted to be initialized outside of this function,
|
||||
// the addition of force_loop parameters might be required
|
||||
double
|
||||
getNetworkDistance(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CoreCH> &facade,
|
||||
SearchEngineData::QueryHeap &forward_heap,
|
||||
SearchEngineData::QueryHeap &reverse_heap,
|
||||
SearchEngineData::QueryHeap &forward_core_heap,
|
||||
SearchEngineData::QueryHeap &reverse_core_heap,
|
||||
const PhantomNode &source_phantom,
|
||||
const PhantomNode &target_phantom,
|
||||
EdgeWeight weight_upper_bound)
|
||||
{
|
||||
forward_heap.Clear();
|
||||
reverse_heap.Clear();
|
||||
forward_core_heap.Clear();
|
||||
reverse_core_heap.Clear();
|
||||
|
||||
insertNodesInHeaps(forward_heap, reverse_heap, {source_phantom, target_phantom});
|
||||
|
||||
EdgeWeight weight = INVALID_EDGE_WEIGHT;
|
||||
std::vector<NodeID> packed_path;
|
||||
search(facade,
|
||||
forward_heap,
|
||||
reverse_heap,
|
||||
forward_core_heap,
|
||||
reverse_core_heap,
|
||||
weight,
|
||||
packed_path,
|
||||
DO_NOT_FORCE_LOOPS,
|
||||
DO_NOT_FORCE_LOOPS,
|
||||
weight_upper_bound);
|
||||
|
||||
double distance = std::numeric_limits<double>::max();
|
||||
if (weight != INVALID_EDGE_WEIGHT)
|
||||
{
|
||||
return getPathDistance(facade, packed_path, source_phantom, target_phantom);
|
||||
}
|
||||
return distance;
|
||||
}
|
||||
|
||||
// Requires the heaps for be empty
|
||||
// If heaps should be adjusted to be initialized outside of this function,
|
||||
// the addition of force_loop parameters might be required
|
||||
double
|
||||
getNetworkDistance(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
|
||||
SearchEngineData::QueryHeap &forward_heap,
|
||||
SearchEngineData::QueryHeap &reverse_heap,
|
||||
const PhantomNode &source_phantom,
|
||||
const PhantomNode &target_phantom,
|
||||
EdgeWeight weight_upper_bound)
|
||||
double getNetworkDistance(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
|
||||
SearchEngineData::QueryHeap &forward_heap,
|
||||
SearchEngineData::QueryHeap &reverse_heap,
|
||||
const PhantomNode &source_phantom,
|
||||
const PhantomNode &target_phantom,
|
||||
EdgeWeight weight_upper_bound)
|
||||
{
|
||||
forward_heap.Clear();
|
||||
reverse_heap.Clear();
|
||||
@@ -494,8 +268,235 @@ getNetworkDistance(const datafacade::ContiguousInternalMemoryDataFacade<algorith
|
||||
|
||||
return getPathDistance(facade, packed_path, source_phantom, target_phantom);
|
||||
}
|
||||
|
||||
} // namespace ch
|
||||
|
||||
namespace corech
|
||||
{
|
||||
// Assumes that heaps are already setup correctly.
|
||||
// A forced loop might be necessary, if source and target are on the same segment.
|
||||
// If this is the case and the offsets of the respective direction are larger for the source
|
||||
// than the target
|
||||
// then a force loop is required (e.g. source_phantom.forward_segment_id ==
|
||||
// target_phantom.forward_segment_id
|
||||
// && source_phantom.GetForwardWeightPlusOffset() > target_phantom.GetForwardWeightPlusOffset())
|
||||
// requires
|
||||
// a force loop, if the heaps have been initialized with positive offsets.
|
||||
void search(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
|
||||
SearchEngineData::QueryHeap &forward_heap,
|
||||
SearchEngineData::QueryHeap &reverse_heap,
|
||||
SearchEngineData::QueryHeap &forward_core_heap,
|
||||
SearchEngineData::QueryHeap &reverse_core_heap,
|
||||
EdgeWeight &weight,
|
||||
std::vector<NodeID> &packed_leg,
|
||||
const bool force_loop_forward,
|
||||
const bool force_loop_reverse,
|
||||
EdgeWeight weight_upper_bound)
|
||||
{
|
||||
NodeID middle = SPECIAL_NODEID;
|
||||
weight = weight_upper_bound;
|
||||
|
||||
using CoreEntryPoint = std::tuple<NodeID, EdgeWeight, NodeID>;
|
||||
std::vector<CoreEntryPoint> forward_entry_points;
|
||||
std::vector<CoreEntryPoint> reverse_entry_points;
|
||||
|
||||
// get offset to account for offsets on phantom nodes on compressed edges
|
||||
const auto min_edge_offset = std::min(0, forward_heap.MinKey());
|
||||
// we only every insert negative offsets for nodes in the forward heap
|
||||
BOOST_ASSERT(reverse_heap.MinKey() >= 0);
|
||||
|
||||
// run two-Target Dijkstra routing step.
|
||||
while (0 < (forward_heap.Size() + reverse_heap.Size()))
|
||||
{
|
||||
if (!forward_heap.Empty())
|
||||
{
|
||||
if (facade.IsCoreNode(forward_heap.Min()))
|
||||
{
|
||||
const NodeID node = forward_heap.DeleteMin();
|
||||
const EdgeWeight key = forward_heap.GetKey(node);
|
||||
forward_entry_points.emplace_back(node, key, forward_heap.GetData(node).parent);
|
||||
}
|
||||
else
|
||||
{
|
||||
ch::routingStep<FORWARD_DIRECTION>(facade,
|
||||
forward_heap,
|
||||
reverse_heap,
|
||||
middle,
|
||||
weight,
|
||||
min_edge_offset,
|
||||
force_loop_forward,
|
||||
force_loop_reverse);
|
||||
}
|
||||
}
|
||||
if (!reverse_heap.Empty())
|
||||
{
|
||||
if (facade.IsCoreNode(reverse_heap.Min()))
|
||||
{
|
||||
const NodeID node = reverse_heap.DeleteMin();
|
||||
const EdgeWeight key = reverse_heap.GetKey(node);
|
||||
reverse_entry_points.emplace_back(node, key, reverse_heap.GetData(node).parent);
|
||||
}
|
||||
else
|
||||
{
|
||||
ch::routingStep<REVERSE_DIRECTION>(facade,
|
||||
reverse_heap,
|
||||
forward_heap,
|
||||
middle,
|
||||
weight,
|
||||
min_edge_offset,
|
||||
force_loop_reverse,
|
||||
force_loop_forward);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const auto insertInCoreHeap = [](const CoreEntryPoint &p,
|
||||
SearchEngineData::QueryHeap &core_heap) {
|
||||
NodeID id;
|
||||
EdgeWeight weight;
|
||||
NodeID parent;
|
||||
// TODO this should use std::apply when we get c++17 support
|
||||
std::tie(id, weight, parent) = p;
|
||||
core_heap.Insert(id, weight, parent);
|
||||
};
|
||||
|
||||
forward_core_heap.Clear();
|
||||
for (const auto &p : forward_entry_points)
|
||||
{
|
||||
insertInCoreHeap(p, forward_core_heap);
|
||||
}
|
||||
|
||||
reverse_core_heap.Clear();
|
||||
for (const auto &p : reverse_entry_points)
|
||||
{
|
||||
insertInCoreHeap(p, reverse_core_heap);
|
||||
}
|
||||
|
||||
// get offset to account for offsets on phantom nodes on compressed edges
|
||||
EdgeWeight min_core_edge_offset = 0;
|
||||
if (forward_core_heap.Size() > 0)
|
||||
{
|
||||
min_core_edge_offset = std::min(min_core_edge_offset, forward_core_heap.MinKey());
|
||||
}
|
||||
if (reverse_core_heap.Size() > 0 && reverse_core_heap.MinKey() < 0)
|
||||
{
|
||||
min_core_edge_offset = std::min(min_core_edge_offset, reverse_core_heap.MinKey());
|
||||
}
|
||||
BOOST_ASSERT(min_core_edge_offset <= 0);
|
||||
|
||||
// run two-target Dijkstra routing step on core with termination criterion
|
||||
while (0 < forward_core_heap.Size() && 0 < reverse_core_heap.Size() &&
|
||||
weight > (forward_core_heap.MinKey() + reverse_core_heap.MinKey()))
|
||||
{
|
||||
ch::routingStep<FORWARD_DIRECTION, ch::DISABLE_STALLING>(facade,
|
||||
forward_core_heap,
|
||||
reverse_core_heap,
|
||||
middle,
|
||||
weight,
|
||||
min_core_edge_offset,
|
||||
force_loop_forward,
|
||||
force_loop_reverse);
|
||||
|
||||
ch::routingStep<REVERSE_DIRECTION, ch::DISABLE_STALLING>(facade,
|
||||
reverse_core_heap,
|
||||
forward_core_heap,
|
||||
middle,
|
||||
weight,
|
||||
min_core_edge_offset,
|
||||
force_loop_reverse,
|
||||
force_loop_forward);
|
||||
}
|
||||
|
||||
// No path found for both target nodes?
|
||||
if (weight_upper_bound <= weight || SPECIAL_NODEID == middle)
|
||||
{
|
||||
weight = INVALID_EDGE_WEIGHT;
|
||||
return;
|
||||
}
|
||||
|
||||
// Was a paths over one of the forward/reverse nodes not found?
|
||||
BOOST_ASSERT_MSG((SPECIAL_NODEID != middle && INVALID_EDGE_WEIGHT != weight), "no path found");
|
||||
|
||||
// we need to unpack sub path from core heaps
|
||||
if (facade.IsCoreNode(middle))
|
||||
{
|
||||
if (weight != forward_core_heap.GetKey(middle) + reverse_core_heap.GetKey(middle))
|
||||
{
|
||||
// self loop
|
||||
BOOST_ASSERT(forward_core_heap.GetData(middle).parent == middle &&
|
||||
reverse_core_heap.GetData(middle).parent == middle);
|
||||
packed_leg.push_back(middle);
|
||||
packed_leg.push_back(middle);
|
||||
}
|
||||
else
|
||||
{
|
||||
std::vector<NodeID> packed_core_leg;
|
||||
ch::retrievePackedPathFromHeap(
|
||||
forward_core_heap, reverse_core_heap, middle, packed_core_leg);
|
||||
BOOST_ASSERT(packed_core_leg.size() > 0);
|
||||
ch::retrievePackedPathFromSingleHeap(forward_heap, packed_core_leg.front(), packed_leg);
|
||||
std::reverse(packed_leg.begin(), packed_leg.end());
|
||||
packed_leg.insert(packed_leg.end(), packed_core_leg.begin(), packed_core_leg.end());
|
||||
ch::retrievePackedPathFromSingleHeap(reverse_heap, packed_core_leg.back(), packed_leg);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (weight != forward_heap.GetKey(middle) + reverse_heap.GetKey(middle))
|
||||
{
|
||||
// self loop
|
||||
BOOST_ASSERT(forward_heap.GetData(middle).parent == middle &&
|
||||
reverse_heap.GetData(middle).parent == middle);
|
||||
packed_leg.push_back(middle);
|
||||
packed_leg.push_back(middle);
|
||||
}
|
||||
else
|
||||
{
|
||||
ch::retrievePackedPathFromHeap(forward_heap, reverse_heap, middle, packed_leg);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Requires the heaps for be empty
|
||||
// If heaps should be adjusted to be initialized outside of this function,
|
||||
// the addition of force_loop parameters might be required
|
||||
double getNetworkDistance(const datafacade::ContiguousInternalMemoryDataFacade<Algorithm> &facade,
|
||||
SearchEngineData::QueryHeap &forward_heap,
|
||||
SearchEngineData::QueryHeap &reverse_heap,
|
||||
SearchEngineData::QueryHeap &forward_core_heap,
|
||||
SearchEngineData::QueryHeap &reverse_core_heap,
|
||||
const PhantomNode &source_phantom,
|
||||
const PhantomNode &target_phantom,
|
||||
EdgeWeight weight_upper_bound)
|
||||
{
|
||||
forward_heap.Clear();
|
||||
reverse_heap.Clear();
|
||||
forward_core_heap.Clear();
|
||||
reverse_core_heap.Clear();
|
||||
|
||||
insertNodesInHeaps(forward_heap, reverse_heap, {source_phantom, target_phantom});
|
||||
|
||||
EdgeWeight weight = INVALID_EDGE_WEIGHT;
|
||||
std::vector<NodeID> packed_path;
|
||||
search(facade,
|
||||
forward_heap,
|
||||
reverse_heap,
|
||||
forward_core_heap,
|
||||
reverse_core_heap,
|
||||
weight,
|
||||
packed_path,
|
||||
DO_NOT_FORCE_LOOPS,
|
||||
DO_NOT_FORCE_LOOPS,
|
||||
weight_upper_bound);
|
||||
|
||||
double distance = std::numeric_limits<double>::max();
|
||||
if (weight != INVALID_EDGE_WEIGHT)
|
||||
{
|
||||
return ch::getPathDistance(facade, packed_path, source_phantom, target_phantom);
|
||||
}
|
||||
return distance;
|
||||
}
|
||||
} // namespace corech
|
||||
|
||||
} // namespace routing_algorithms
|
||||
} // namespace engine
|
||||
} // namespace osrm
|
||||
|
||||
@@ -198,7 +198,7 @@ void search(const datafacade::ContiguousInternalMemoryDataFacade<AlgorithmT> &fa
|
||||
}
|
||||
}
|
||||
|
||||
void unpackLegs(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
|
||||
void unpackLegs(const datafacade::ContiguousInternalMemoryDataFacade<ch::Algorithm> &facade,
|
||||
const std::vector<PhantomNodes> &phantom_nodes_vector,
|
||||
const std::vector<NodeID> &total_packed_path,
|
||||
const std::vector<std::size_t> &packed_leg_begin,
|
||||
@@ -486,7 +486,7 @@ shortestPathSearchImpl(SearchEngineData &engine_working_data,
|
||||
|
||||
InternalRouteResult
|
||||
shortestPathSearch(SearchEngineData &engine_working_data,
|
||||
const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
|
||||
const datafacade::ContiguousInternalMemoryDataFacade<ch::Algorithm> &facade,
|
||||
const std::vector<PhantomNodes> &phantom_nodes_vector,
|
||||
const boost::optional<bool> continue_straight_at_waypoint)
|
||||
{
|
||||
@@ -496,7 +496,7 @@ shortestPathSearch(SearchEngineData &engine_working_data,
|
||||
|
||||
InternalRouteResult
|
||||
shortestPathSearch(SearchEngineData &engine_working_data,
|
||||
const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CoreCH> &facade,
|
||||
const datafacade::ContiguousInternalMemoryDataFacade<corech::Algorithm> &facade,
|
||||
const std::vector<PhantomNodes> &phantom_nodes_vector,
|
||||
const boost::optional<bool> continue_straight_at_waypoint)
|
||||
{
|
||||
|
||||
@@ -8,7 +8,7 @@ namespace routing_algorithms
|
||||
{
|
||||
|
||||
std::vector<TurnData>
|
||||
getTileTurns(const datafacade::ContiguousInternalMemoryDataFacade<algorithm::CH> &facade,
|
||||
getTileTurns(const datafacade::ContiguousInternalMemoryDataFacade<ch::Algorithm> &facade,
|
||||
const std::vector<RTreeLeaf> &edges,
|
||||
const std::vector<std::size_t> &sorted_edge_indexes)
|
||||
{
|
||||
|
||||
+8
-5
@@ -18,11 +18,14 @@ namespace osrm
|
||||
|
||||
OSRM::OSRM(engine::EngineConfig &config)
|
||||
{
|
||||
using CH = engine::routing_algorithms::ch::Algorithm;
|
||||
using CoreCH = engine::routing_algorithms::corech::Algorithm;
|
||||
using MLD = engine::routing_algorithms::mld::Algorithm;
|
||||
|
||||
if (config.algorithm == EngineConfig::Algorithm::CoreCH ||
|
||||
config.algorithm == EngineConfig::Algorithm::CH)
|
||||
{
|
||||
bool corech_compatible =
|
||||
engine::Engine<engine::algorithm::CoreCH>::CheckCompability(config);
|
||||
bool corech_compatible = engine::Engine<CoreCH>::CheckCompability(config);
|
||||
|
||||
// Activate CoreCH if we can because it is faster
|
||||
if (config.algorithm == EngineConfig::Algorithm::CH && corech_compatible)
|
||||
@@ -40,13 +43,13 @@ OSRM::OSRM(engine::EngineConfig &config)
|
||||
switch (config.algorithm)
|
||||
{
|
||||
case EngineConfig::Algorithm::CH:
|
||||
engine_ = std::make_unique<engine::Engine<engine::algorithm::CH>>(config);
|
||||
engine_ = std::make_unique<engine::Engine<CH>>(config);
|
||||
break;
|
||||
case EngineConfig::Algorithm::CoreCH:
|
||||
engine_ = std::make_unique<engine::Engine<engine::algorithm::CoreCH>>(config);
|
||||
engine_ = std::make_unique<engine::Engine<CoreCH>>(config);
|
||||
break;
|
||||
case EngineConfig::Algorithm::MLD:
|
||||
engine_ = std::make_unique<engine::Engine<engine::algorithm::MLD>>(config);
|
||||
engine_ = std::make_unique<engine::Engine<MLD>>(config);
|
||||
break;
|
||||
default:
|
||||
util::exception("Algorithm not implemented!");
|
||||
|
||||
Reference in New Issue
Block a user