389 lines
9.4 KiB
C
389 lines
9.4 KiB
C
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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*
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* This file is a part of LEMON, a generic C++ optimization library.
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*
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* Copyright (C) 2003-2013
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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*
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* Permission to use, modify and distribute this software is granted
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* provided that this copyright notice appears in all copies. For
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* precise terms see the accompanying LICENSE file.
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*
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* This software is provided "AS IS" with no warranty of any kind,
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* express or implied, and with no claim as to its suitability for any
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* purpose.
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*
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*/
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#ifndef LEMON_BITS_TRAITS_H
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#define LEMON_BITS_TRAITS_H
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//\file
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//\brief Traits for graphs and maps
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//
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#include <lemon/bits/enable_if.h>
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namespace lemon {
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struct InvalidType {};
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template <typename GR, typename _Item>
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class ItemSetTraits {};
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template <typename GR, typename Enable = void>
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struct NodeNotifierIndicator {
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typedef InvalidType Type;
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};
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template <typename GR>
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struct NodeNotifierIndicator<
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GR,
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typename enable_if<typename GR::NodeNotifier::Notifier, void>::type
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> {
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typedef typename GR::NodeNotifier Type;
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};
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template <typename GR>
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class ItemSetTraits<GR, typename GR::Node> {
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public:
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typedef GR Graph;
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typedef GR Digraph;
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typedef typename GR::Node Item;
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typedef typename GR::NodeIt ItemIt;
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typedef typename NodeNotifierIndicator<GR>::Type ItemNotifier;
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template <typename V>
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class Map : public GR::template NodeMap<V> {
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typedef typename GR::template NodeMap<V> Parent;
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public:
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typedef typename GR::template NodeMap<V> Type;
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typedef typename Parent::Value Value;
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Map(const GR& _digraph) : Parent(_digraph) {}
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Map(const GR& _digraph, const Value& _value)
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: Parent(_digraph, _value) {}
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};
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};
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template <typename GR, typename Enable = void>
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struct ArcNotifierIndicator {
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typedef InvalidType Type;
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};
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template <typename GR>
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struct ArcNotifierIndicator<
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GR,
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typename enable_if<typename GR::ArcNotifier::Notifier, void>::type
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> {
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typedef typename GR::ArcNotifier Type;
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};
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template <typename GR>
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class ItemSetTraits<GR, typename GR::Arc> {
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public:
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typedef GR Graph;
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typedef GR Digraph;
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typedef typename GR::Arc Item;
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typedef typename GR::ArcIt ItemIt;
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typedef typename ArcNotifierIndicator<GR>::Type ItemNotifier;
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template <typename V>
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class Map : public GR::template ArcMap<V> {
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typedef typename GR::template ArcMap<V> Parent;
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public:
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typedef typename GR::template ArcMap<V> Type;
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typedef typename Parent::Value Value;
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Map(const GR& _digraph) : Parent(_digraph) {}
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Map(const GR& _digraph, const Value& _value)
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: Parent(_digraph, _value) {}
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};
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};
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template <typename GR, typename Enable = void>
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struct EdgeNotifierIndicator {
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typedef InvalidType Type;
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};
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template <typename GR>
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struct EdgeNotifierIndicator<
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GR,
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typename enable_if<typename GR::EdgeNotifier::Notifier, void>::type
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> {
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typedef typename GR::EdgeNotifier Type;
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};
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template <typename GR>
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class ItemSetTraits<GR, typename GR::Edge> {
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public:
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typedef GR Graph;
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typedef GR Digraph;
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typedef typename GR::Edge Item;
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typedef typename GR::EdgeIt ItemIt;
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typedef typename EdgeNotifierIndicator<GR>::Type ItemNotifier;
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template <typename V>
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class Map : public GR::template EdgeMap<V> {
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typedef typename GR::template EdgeMap<V> Parent;
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public:
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typedef typename GR::template EdgeMap<V> Type;
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typedef typename Parent::Value Value;
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Map(const GR& _digraph) : Parent(_digraph) {}
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Map(const GR& _digraph, const Value& _value)
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: Parent(_digraph, _value) {}
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};
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};
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template <typename GR, typename Enable = void>
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struct RedNodeNotifierIndicator {
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typedef InvalidType Type;
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};
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template <typename GR>
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struct RedNodeNotifierIndicator<
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GR,
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typename enable_if<typename GR::RedNodeNotifier::Notifier, void>::type
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> {
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typedef typename GR::RedNodeNotifier Type;
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};
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template <typename GR>
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class ItemSetTraits<GR, typename GR::RedNode> {
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public:
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typedef GR BpGraph;
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typedef GR Graph;
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typedef GR Digraph;
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typedef typename GR::RedNode Item;
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typedef typename GR::RedNodeIt ItemIt;
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typedef typename RedNodeNotifierIndicator<GR>::Type ItemNotifier;
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template <typename V>
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class Map : public GR::template RedNodeMap<V> {
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typedef typename GR::template RedNodeMap<V> Parent;
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public:
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typedef typename GR::template RedNodeMap<V> Type;
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typedef typename Parent::Value Value;
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Map(const GR& _bpgraph) : Parent(_bpgraph) {}
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Map(const GR& _bpgraph, const Value& _value)
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: Parent(_bpgraph, _value) {}
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};
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};
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template <typename GR, typename Enable = void>
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struct BlueNodeNotifierIndicator {
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typedef InvalidType Type;
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};
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template <typename GR>
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struct BlueNodeNotifierIndicator<
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GR,
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typename enable_if<typename GR::BlueNodeNotifier::Notifier, void>::type
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> {
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typedef typename GR::BlueNodeNotifier Type;
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};
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template <typename GR>
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class ItemSetTraits<GR, typename GR::BlueNode> {
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public:
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typedef GR BpGraph;
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typedef GR Graph;
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typedef GR Digraph;
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typedef typename GR::BlueNode Item;
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typedef typename GR::BlueNodeIt ItemIt;
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typedef typename BlueNodeNotifierIndicator<GR>::Type ItemNotifier;
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template <typename V>
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class Map : public GR::template BlueNodeMap<V> {
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typedef typename GR::template BlueNodeMap<V> Parent;
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public:
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typedef typename GR::template BlueNodeMap<V> Type;
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typedef typename Parent::Value Value;
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Map(const GR& _bpgraph) : Parent(_bpgraph) {}
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Map(const GR& _bpgraph, const Value& _value)
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: Parent(_bpgraph, _value) {}
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};
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};
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template <typename Map, typename Enable = void>
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struct MapTraits {
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typedef False ReferenceMapTag;
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typedef typename Map::Key Key;
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typedef typename Map::Value Value;
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typedef Value ConstReturnValue;
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typedef Value ReturnValue;
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};
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template <typename Map>
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struct MapTraits<
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Map, typename enable_if<typename Map::ReferenceMapTag, void>::type >
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{
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typedef True ReferenceMapTag;
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typedef typename Map::Key Key;
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typedef typename Map::Value Value;
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typedef typename Map::ConstReference ConstReturnValue;
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typedef typename Map::Reference ReturnValue;
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typedef typename Map::ConstReference ConstReference;
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typedef typename Map::Reference Reference;
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};
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template <typename MatrixMap, typename Enable = void>
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struct MatrixMapTraits {
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typedef False ReferenceMapTag;
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typedef typename MatrixMap::FirstKey FirstKey;
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typedef typename MatrixMap::SecondKey SecondKey;
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typedef typename MatrixMap::Value Value;
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typedef Value ConstReturnValue;
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typedef Value ReturnValue;
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};
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template <typename MatrixMap>
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struct MatrixMapTraits<
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MatrixMap, typename enable_if<typename MatrixMap::ReferenceMapTag,
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void>::type >
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{
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typedef True ReferenceMapTag;
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typedef typename MatrixMap::FirstKey FirstKey;
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typedef typename MatrixMap::SecondKey SecondKey;
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typedef typename MatrixMap::Value Value;
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typedef typename MatrixMap::ConstReference ConstReturnValue;
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typedef typename MatrixMap::Reference ReturnValue;
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typedef typename MatrixMap::ConstReference ConstReference;
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typedef typename MatrixMap::Reference Reference;
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};
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// Indicators for the tags
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template <typename GR, typename Enable = void>
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struct NodeNumTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct NodeNumTagIndicator<
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GR,
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typename enable_if<typename GR::NodeNumTag, void>::type
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> {
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static const bool value = true;
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};
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template <typename GR, typename Enable = void>
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struct ArcNumTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct ArcNumTagIndicator<
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GR,
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typename enable_if<typename GR::ArcNumTag, void>::type
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> {
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static const bool value = true;
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};
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template <typename GR, typename Enable = void>
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struct EdgeNumTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct EdgeNumTagIndicator<
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GR,
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typename enable_if<typename GR::EdgeNumTag, void>::type
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> {
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static const bool value = true;
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};
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template <typename GR, typename Enable = void>
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struct FindArcTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct FindArcTagIndicator<
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GR,
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typename enable_if<typename GR::FindArcTag, void>::type
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> {
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static const bool value = true;
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};
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template <typename GR, typename Enable = void>
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struct FindEdgeTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct FindEdgeTagIndicator<
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GR,
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typename enable_if<typename GR::FindEdgeTag, void>::type
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> {
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static const bool value = true;
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};
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template <typename GR, typename Enable = void>
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struct UndirectedTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct UndirectedTagIndicator<
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GR,
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typename enable_if<typename GR::UndirectedTag, void>::type
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> {
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static const bool value = true;
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};
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template <typename GR, typename Enable = void>
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struct BuildTagIndicator {
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static const bool value = false;
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};
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template <typename GR>
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struct BuildTagIndicator<
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GR,
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typename enable_if<typename GR::BuildTag, void>::type
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> {
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static const bool value = true;
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};
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}
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#endif
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