107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
#ifndef OSRM_ENGINE_ALGORITHM_HPP
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#define OSRM_ENGINE_ALGORITHM_HPP
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#include <type_traits>
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namespace osrm
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{
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namespace engine
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{
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namespace routing_algorithms
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{
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// Contraction Hiearchy
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namespace ch
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{
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struct Algorithm final
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{
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};
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}
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// Contraction Hiearchy with core
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namespace corech
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{
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struct Algorithm final
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{
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};
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}
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// Multi-Level Dijkstra
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namespace mld
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{
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struct Algorithm final
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{
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};
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}
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// Algorithm names
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template <typename AlgorithmT> const char *name();
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template <> inline const char *name<ch::Algorithm>() { return "CH"; }
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template <> inline const char *name<corech::Algorithm>() { return "CoreCH"; }
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template <> inline const char *name<mld::Algorithm>() { return "MLD"; }
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template <typename AlgorithmT> struct HasAlternativePathSearch final : std::false_type
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{
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};
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template <typename AlgorithmT> struct HasShortestPathSearch final : std::false_type
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{
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};
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template <typename AlgorithmT> struct HasDirectShortestPathSearch final : std::false_type
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{
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};
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template <typename AlgorithmT> struct HasMapMatching final : std::false_type
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{
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};
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template <typename AlgorithmT> struct HasManyToManySearch final : std::false_type
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{
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};
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template <typename AlgorithmT> struct HasGetTileTurns final : std::false_type
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{
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};
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// Algorithms supported by Contraction Hierarchies
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template <> struct HasAlternativePathSearch<ch::Algorithm> final : std::true_type
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{
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};
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template <> struct HasShortestPathSearch<ch::Algorithm> final : std::true_type
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{
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};
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template <> struct HasDirectShortestPathSearch<ch::Algorithm> final : std::true_type
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{
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};
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template <> struct HasMapMatching<ch::Algorithm> final : std::true_type
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{
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};
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template <> struct HasManyToManySearch<ch::Algorithm> final : std::true_type
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{
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};
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template <> struct HasGetTileTurns<ch::Algorithm> final : std::true_type
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{
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};
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// Algorithms supported by Contraction Hierarchies with core
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// the rest is disabled because of performance reasons
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template <> struct HasShortestPathSearch<corech::Algorithm> final : std::true_type
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{
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};
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template <> struct HasDirectShortestPathSearch<corech::Algorithm> final : std::true_type
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{
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};
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template <> struct HasMapMatching<corech::Algorithm> final : std::true_type
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{
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};
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template <> struct HasGetTileTurns<corech::Algorithm> final : std::true_type
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{
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};
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// Algorithms supported by Multi-Level Dijkstra
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template <> struct HasDirectShortestPathSearch<mld::Algorithm> final : std::true_type
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{
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};
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template <> struct HasShortestPathSearch<mld::Algorithm> final : std::true_type
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{
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};
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}
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}
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}
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#endif
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