[906] | 1 | /* -*- C++ -*- |
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| 2 | * |
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[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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| 5 | * Copyright (C) 2003-2006 |
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| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[906] | 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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[921] | 19 | #ifndef LEMON_MAPS_H |
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| 20 | #define LEMON_MAPS_H |
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[286] | 21 | |
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[1778] | 22 | #include <iterator> |
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| 23 | |
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[1993] | 24 | #include <lemon/bits/utility.h> |
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| 25 | #include <lemon/bits/traits.h> |
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[1041] | 26 | |
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[286] | 27 | ///\file |
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[1041] | 28 | ///\ingroup maps |
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[286] | 29 | ///\brief Miscellaneous property maps |
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| 30 | /// |
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[959] | 31 | ///\todo This file has the same name as the concept file in concept/, |
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[286] | 32 | /// and this is not easily detectable in docs... |
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| 33 | |
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| 34 | #include <map> |
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| 35 | |
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[921] | 36 | namespace lemon { |
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[286] | 37 | |
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[1041] | 38 | /// \addtogroup maps |
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| 39 | /// @{ |
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| 40 | |
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[720] | 41 | /// Base class of maps. |
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| 42 | |
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[805] | 43 | /// Base class of maps. |
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| 44 | /// It provides the necessary <tt>typedef</tt>s required by the map concept. |
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[1705] | 45 | template<typename K, typename T> |
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[1675] | 46 | class MapBase { |
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[720] | 47 | public: |
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[911] | 48 | ///\e |
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[987] | 49 | typedef K Key; |
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[911] | 50 | ///\e |
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[987] | 51 | typedef T Value; |
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[720] | 52 | }; |
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| 53 | |
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[805] | 54 | /// Null map. (a.k.a. DoNothingMap) |
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[286] | 55 | |
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| 56 | /// If you have to provide a map only for its type definitions, |
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[805] | 57 | /// or if you have to provide a writable map, but |
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| 58 | /// data written to it will sent to <tt>/dev/null</tt>... |
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[1705] | 59 | template<typename K, typename T> |
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| 60 | class NullMap : public MapBase<K, T> { |
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[286] | 61 | public: |
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[1705] | 62 | typedef MapBase<K, T> Parent; |
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[1675] | 63 | typedef typename Parent::Key Key; |
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| 64 | typedef typename Parent::Value Value; |
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[1420] | 65 | |
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[805] | 66 | /// Gives back a default constructed element. |
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[286] | 67 | T operator[](const K&) const { return T(); } |
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[805] | 68 | /// Absorbs the value. |
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[286] | 69 | void set(const K&, const T&) {} |
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| 70 | }; |
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| 71 | |
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[1420] | 72 | template <typename K, typename V> |
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[1705] | 73 | NullMap<K, V> nullMap() { |
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| 74 | return NullMap<K, V>(); |
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[1420] | 75 | } |
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| 76 | |
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[286] | 77 | |
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| 78 | /// Constant map. |
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| 79 | |
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[805] | 80 | /// This is a readable map which assigns a specified value to each key. |
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| 81 | /// In other aspects it is equivalent to the \ref NullMap. |
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| 82 | /// \todo set could be used to set the value. |
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[1705] | 83 | template<typename K, typename T> |
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| 84 | class ConstMap : public MapBase<K, T> { |
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[1675] | 85 | private: |
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[286] | 86 | T v; |
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| 87 | public: |
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| 88 | |
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[1705] | 89 | typedef MapBase<K, T> Parent; |
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[1675] | 90 | typedef typename Parent::Key Key; |
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| 91 | typedef typename Parent::Value Value; |
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[1420] | 92 | |
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[805] | 93 | /// Default constructor |
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| 94 | |
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| 95 | /// The value of the map will be uninitialized. |
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| 96 | /// (More exactly it will be default constructed.) |
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[286] | 97 | ConstMap() {} |
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[911] | 98 | ///\e |
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[805] | 99 | |
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| 100 | /// \param _v The initial value of the map. |
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[911] | 101 | /// |
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[286] | 102 | ConstMap(const T &_v) : v(_v) {} |
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| 103 | |
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| 104 | T operator[](const K&) const { return v; } |
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| 105 | void set(const K&, const T&) {} |
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| 106 | |
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| 107 | template<typename T1> |
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| 108 | struct rebind { |
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[1675] | 109 | typedef ConstMap<K, T1> other; |
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[286] | 110 | }; |
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| 111 | |
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| 112 | template<typename T1> |
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[1675] | 113 | ConstMap(const ConstMap<K, T1> &, const T &_v) : v(_v) {} |
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[286] | 114 | }; |
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| 115 | |
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[1076] | 116 | ///Returns a \ref ConstMap class |
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| 117 | |
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| 118 | ///This function just returns a \ref ConstMap class. |
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| 119 | ///\relates ConstMap |
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[1675] | 120 | template<typename K, typename V> |
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[1705] | 121 | inline ConstMap<K, V> constMap(const V &v) { |
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| 122 | return ConstMap<K, V>(v); |
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[1076] | 123 | } |
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| 124 | |
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| 125 | |
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[1660] | 126 | //\todo to document later |
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[890] | 127 | template<typename T, T v> |
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| 128 | struct Const { }; |
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[1675] | 129 | |
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[1660] | 130 | //\todo to document later |
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[1705] | 131 | template<typename K, typename V, V v> |
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| 132 | class ConstMap<K, Const<V, v> > : public MapBase<K, V> { |
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[890] | 133 | public: |
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[1705] | 134 | typedef MapBase<K, V> Parent; |
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[1675] | 135 | typedef typename Parent::Key Key; |
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| 136 | typedef typename Parent::Value Value; |
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| 137 | |
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[890] | 138 | ConstMap() { } |
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| 139 | V operator[](const K&) const { return v; } |
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| 140 | void set(const K&, const V&) { } |
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| 141 | }; |
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[286] | 142 | |
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[1675] | 143 | ///Returns a \ref ConstMap class |
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| 144 | |
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| 145 | ///This function just returns a \ref ConstMap class. |
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| 146 | ///\relates ConstMap |
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| 147 | template<typename K, typename V, V v> |
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[1705] | 148 | inline ConstMap<K, Const<V, v> > constMap() { |
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| 149 | return ConstMap<K, Const<V, v> >(); |
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[1675] | 150 | } |
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| 151 | |
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[286] | 152 | /// \c std::map wrapper |
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| 153 | |
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| 154 | /// This is essentially a wrapper for \c std::map. With addition that |
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[987] | 155 | /// you can specify a default value different from \c Value() . |
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[286] | 156 | /// |
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| 157 | /// \todo Provide allocator parameter... |
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[987] | 158 | template <typename K, typename T, typename Compare = std::less<K> > |
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[1675] | 159 | class StdMap : public std::map<K, T, Compare> { |
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| 160 | typedef std::map<K, T, Compare> parent; |
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[286] | 161 | T v; |
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| 162 | typedef typename parent::value_type PairType; |
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| 163 | |
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| 164 | public: |
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[1456] | 165 | ///\e |
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[987] | 166 | typedef K Key; |
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[1456] | 167 | ///\e |
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[987] | 168 | typedef T Value; |
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[1456] | 169 | ///\e |
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[987] | 170 | typedef T& Reference; |
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[1456] | 171 | ///\e |
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[987] | 172 | typedef const T& ConstReference; |
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[286] | 173 | |
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| 174 | |
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[345] | 175 | StdMap() : v() {} |
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[286] | 176 | /// Constructor with specified default value |
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| 177 | StdMap(const T& _v) : v(_v) {} |
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| 178 | |
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| 179 | /// \brief Constructs the map from an appropriate std::map. |
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| 180 | /// |
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| 181 | /// \warning Inefficient: copies the content of \c m ! |
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| 182 | StdMap(const parent &m) : parent(m) {} |
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| 183 | /// \brief Constructs the map from an appropriate std::map, and explicitly |
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| 184 | /// specifies a default value. |
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| 185 | /// |
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| 186 | /// \warning Inefficient: copies the content of \c m ! |
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| 187 | StdMap(const parent &m, const T& _v) : parent(m), v(_v) {} |
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| 188 | |
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| 189 | template<typename T1, typename Comp1> |
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[1675] | 190 | StdMap(const StdMap<Key, T1,Comp1> &m, const T &_v) { |
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[389] | 191 | //FIXME; |
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| 192 | } |
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[286] | 193 | |
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[987] | 194 | Reference operator[](const Key &k) { |
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[346] | 195 | return insert(PairType(k,v)).first -> second; |
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[286] | 196 | } |
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[1675] | 197 | |
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[987] | 198 | ConstReference operator[](const Key &k) const { |
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[389] | 199 | typename parent::iterator i = lower_bound(k); |
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[391] | 200 | if (i == parent::end() || parent::key_comp()(k, (*i).first)) |
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[286] | 201 | return v; |
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| 202 | return (*i).second; |
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| 203 | } |
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[345] | 204 | void set(const Key &k, const T &t) { |
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[346] | 205 | parent::operator[](k) = t; |
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[345] | 206 | } |
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[286] | 207 | |
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| 208 | /// Changes the default value of the map. |
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| 209 | /// \return Returns the previous default value. |
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| 210 | /// |
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[805] | 211 | /// \warning The value of some keys (which has already been queried, but |
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[286] | 212 | /// the value has been unchanged from the default) may change! |
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| 213 | T setDefault(const T &_v) { T old=v; v=_v; return old; } |
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| 214 | |
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| 215 | template<typename T1> |
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| 216 | struct rebind { |
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[1675] | 217 | typedef StdMap<Key, T1,Compare> other; |
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[286] | 218 | }; |
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| 219 | }; |
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[1041] | 220 | |
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[1402] | 221 | /// @} |
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| 222 | |
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| 223 | /// \addtogroup map_adaptors |
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| 224 | /// @{ |
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| 225 | |
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[1531] | 226 | /// \brief Identity mapping. |
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| 227 | /// |
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| 228 | /// This mapping gives back the given key as value without any |
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| 229 | /// modification. |
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[1705] | 230 | template <typename T> |
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| 231 | class IdentityMap : public MapBase<T, T> { |
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[1531] | 232 | public: |
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[1705] | 233 | typedef MapBase<T, T> Parent; |
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[1675] | 234 | typedef typename Parent::Key Key; |
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| 235 | typedef typename Parent::Value Value; |
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[1531] | 236 | |
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[1675] | 237 | const T& operator[](const T& t) const { |
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[1531] | 238 | return t; |
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| 239 | } |
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| 240 | }; |
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[1402] | 241 | |
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[1675] | 242 | ///Returns an \ref IdentityMap class |
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| 243 | |
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| 244 | ///This function just returns an \ref IdentityMap class. |
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| 245 | ///\relates IdentityMap |
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| 246 | template<typename T> |
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[1705] | 247 | inline IdentityMap<T> identityMap() { |
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| 248 | return IdentityMap<T>(); |
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[1675] | 249 | } |
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| 250 | |
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| 251 | |
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[1547] | 252 | ///Convert the \c Value of a map to another type. |
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[1178] | 253 | |
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| 254 | ///This \ref concept::ReadMap "read only map" |
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| 255 | ///converts the \c Value of a maps to type \c T. |
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[1547] | 256 | ///Its \c Key is inherited from \c M. |
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[1705] | 257 | template <typename M, typename T> |
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| 258 | class ConvertMap : public MapBase<typename M::Key, T> { |
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| 259 | const M& m; |
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[1178] | 260 | public: |
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[1705] | 261 | typedef MapBase<typename M::Key, T> Parent; |
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[1675] | 262 | typedef typename Parent::Key Key; |
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| 263 | typedef typename Parent::Value Value; |
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[1178] | 264 | |
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| 265 | ///Constructor |
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| 266 | |
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| 267 | ///Constructor |
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[1536] | 268 | ///\param _m is the underlying map |
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[1178] | 269 | ConvertMap(const M &_m) : m(_m) {}; |
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[1346] | 270 | |
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| 271 | /// \brief The subscript operator. |
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| 272 | /// |
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| 273 | /// The subscript operator. |
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[1536] | 274 | /// \param k The key |
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[1346] | 275 | /// \return The target of the edge |
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[1675] | 276 | Value operator[](const Key& k) const {return m[k];} |
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[1178] | 277 | }; |
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| 278 | |
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| 279 | ///Returns an \ref ConvertMap class |
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| 280 | |
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| 281 | ///This function just returns an \ref ConvertMap class. |
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| 282 | ///\relates ConvertMap |
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| 283 | ///\todo The order of the template parameters are changed. |
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[1675] | 284 | template<typename T, typename M> |
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[1705] | 285 | inline ConvertMap<M, T> convertMap(const M &m) { |
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| 286 | return ConvertMap<M, T>(m); |
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[1178] | 287 | } |
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[1041] | 288 | |
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| 289 | ///Sum of two maps |
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| 290 | |
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| 291 | ///This \ref concept::ReadMap "read only map" returns the sum of the two |
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| 292 | ///given maps. Its \c Key and \c Value will be inherited from \c M1. |
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| 293 | ///The \c Key and \c Value of M2 must be convertible to those of \c M1. |
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| 294 | |
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[1705] | 295 | template<typename M1, typename M2> |
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| 296 | class AddMap : public MapBase<typename M1::Key, typename M1::Value> { |
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| 297 | const M1& m1; |
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| 298 | const M2& m2; |
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[1420] | 299 | |
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[1041] | 300 | public: |
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[1705] | 301 | typedef MapBase<typename M1::Key, typename M1::Value> Parent; |
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[1675] | 302 | typedef typename Parent::Key Key; |
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| 303 | typedef typename Parent::Value Value; |
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[1041] | 304 | |
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| 305 | ///Constructor |
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| 306 | AddMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {}; |
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[1044] | 307 | Value operator[](Key k) const {return m1[k]+m2[k];} |
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[1041] | 308 | }; |
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| 309 | |
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| 310 | ///Returns an \ref AddMap class |
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| 311 | |
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| 312 | ///This function just returns an \ref AddMap class. |
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| 313 | ///\todo How to call these type of functions? |
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| 314 | /// |
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| 315 | ///\relates AddMap |
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| 316 | ///\todo Wrong scope in Doxygen when \c \\relates is used |
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[1675] | 317 | template<typename M1, typename M2> |
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[1705] | 318 | inline AddMap<M1, M2> addMap(const M1 &m1,const M2 &m2) { |
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| 319 | return AddMap<M1, M2>(m1,m2); |
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[1041] | 320 | } |
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| 321 | |
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[1547] | 322 | ///Shift a map with a constant. |
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[1070] | 323 | |
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| 324 | ///This \ref concept::ReadMap "read only map" returns the sum of the |
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| 325 | ///given map and a constant value. |
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| 326 | ///Its \c Key and \c Value is inherited from \c M. |
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| 327 | /// |
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| 328 | ///Actually, |
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| 329 | ///\code |
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| 330 | /// ShiftMap<X> sh(x,v); |
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| 331 | ///\endcode |
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[1547] | 332 | ///is equivalent with |
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[1070] | 333 | ///\code |
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| 334 | /// ConstMap<X::Key, X::Value> c_tmp(v); |
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| 335 | /// AddMap<X, ConstMap<X::Key, X::Value> > sh(x,v); |
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| 336 | ///\endcode |
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[1705] | 337 | template<typename M, typename C = typename M::Value> |
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| 338 | class ShiftMap : public MapBase<typename M::Key, typename M::Value> { |
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| 339 | const M& m; |
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[1691] | 340 | C v; |
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[1070] | 341 | public: |
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[1705] | 342 | typedef MapBase<typename M::Key, typename M::Value> Parent; |
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[1675] | 343 | typedef typename Parent::Key Key; |
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| 344 | typedef typename Parent::Value Value; |
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[1070] | 345 | |
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| 346 | ///Constructor |
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| 347 | |
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| 348 | ///Constructor |
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| 349 | ///\param _m is the undelying map |
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| 350 | ///\param _v is the shift value |
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[1691] | 351 | ShiftMap(const M &_m, const C &_v ) : m(_m), v(_v) {}; |
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| 352 | Value operator[](Key k) const {return m[k] + v;} |
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[1070] | 353 | }; |
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| 354 | |
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| 355 | ///Returns an \ref ShiftMap class |
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| 356 | |
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| 357 | ///This function just returns an \ref ShiftMap class. |
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| 358 | ///\relates ShiftMap |
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| 359 | ///\todo A better name is required. |
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[1691] | 360 | template<typename M, typename C> |
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[1705] | 361 | inline ShiftMap<M, C> shiftMap(const M &m,const C &v) { |
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| 362 | return ShiftMap<M, C>(m,v); |
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[1070] | 363 | } |
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| 364 | |
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[1041] | 365 | ///Difference of two maps |
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| 366 | |
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| 367 | ///This \ref concept::ReadMap "read only map" returns the difference |
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[1547] | 368 | ///of the values of the two |
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[1041] | 369 | ///given maps. Its \c Key and \c Value will be inherited from \c M1. |
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| 370 | ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1. |
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| 371 | |
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[1705] | 372 | template<typename M1, typename M2> |
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| 373 | class SubMap : public MapBase<typename M1::Key, typename M1::Value> { |
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| 374 | const M1& m1; |
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| 375 | const M2& m2; |
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[1041] | 376 | public: |
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[1705] | 377 | typedef MapBase<typename M1::Key, typename M1::Value> Parent; |
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[1675] | 378 | typedef typename Parent::Key Key; |
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| 379 | typedef typename Parent::Value Value; |
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[1041] | 380 | |
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| 381 | ///Constructor |
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| 382 | SubMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {}; |
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[1044] | 383 | Value operator[](Key k) const {return m1[k]-m2[k];} |
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[1041] | 384 | }; |
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| 385 | |
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| 386 | ///Returns a \ref SubMap class |
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| 387 | |
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| 388 | ///This function just returns a \ref SubMap class. |
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| 389 | /// |
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| 390 | ///\relates SubMap |
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[1675] | 391 | template<typename M1, typename M2> |
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[1705] | 392 | inline SubMap<M1, M2> subMap(const M1 &m1, const M2 &m2) { |
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| 393 | return SubMap<M1, M2>(m1, m2); |
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[1041] | 394 | } |
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| 395 | |
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| 396 | ///Product of two maps |
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| 397 | |
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| 398 | ///This \ref concept::ReadMap "read only map" returns the product of the |
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[1547] | 399 | ///values of the two |
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[1041] | 400 | ///given |
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| 401 | ///maps. Its \c Key and \c Value will be inherited from \c M1. |
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| 402 | ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1. |
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| 403 | |
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[1705] | 404 | template<typename M1, typename M2> |
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| 405 | class MulMap : public MapBase<typename M1::Key, typename M1::Value> { |
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| 406 | const M1& m1; |
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| 407 | const M2& m2; |
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[1041] | 408 | public: |
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[1705] | 409 | typedef MapBase<typename M1::Key, typename M1::Value> Parent; |
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[1675] | 410 | typedef typename Parent::Key Key; |
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| 411 | typedef typename Parent::Value Value; |
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[1041] | 412 | |
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| 413 | ///Constructor |
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| 414 | MulMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {}; |
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[1044] | 415 | Value operator[](Key k) const {return m1[k]*m2[k];} |
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[1041] | 416 | }; |
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| 417 | |
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| 418 | ///Returns a \ref MulMap class |
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| 419 | |
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| 420 | ///This function just returns a \ref MulMap class. |
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| 421 | ///\relates MulMap |
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[1675] | 422 | template<typename M1, typename M2> |
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[1705] | 423 | inline MulMap<M1, M2> mulMap(const M1 &m1,const M2 &m2) { |
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| 424 | return MulMap<M1, M2>(m1,m2); |
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[1041] | 425 | } |
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| 426 | |
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[1547] | 427 | ///Scales a maps with a constant. |
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[1070] | 428 | |
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| 429 | ///This \ref concept::ReadMap "read only map" returns the value of the |
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[1691] | 430 | ///given map multiplied from the left side with a constant value. |
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[1070] | 431 | ///Its \c Key and \c Value is inherited from \c M. |
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| 432 | /// |
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| 433 | ///Actually, |
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| 434 | ///\code |
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| 435 | /// ScaleMap<X> sc(x,v); |
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| 436 | ///\endcode |
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[1547] | 437 | ///is equivalent with |
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[1070] | 438 | ///\code |
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| 439 | /// ConstMap<X::Key, X::Value> c_tmp(v); |
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| 440 | /// MulMap<X, ConstMap<X::Key, X::Value> > sc(x,v); |
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| 441 | ///\endcode |
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[1705] | 442 | template<typename M, typename C = typename M::Value> |
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| 443 | class ScaleMap : public MapBase<typename M::Key, typename M::Value> { |
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| 444 | const M& m; |
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[1691] | 445 | C v; |
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[1070] | 446 | public: |
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[1705] | 447 | typedef MapBase<typename M::Key, typename M::Value> Parent; |
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[1675] | 448 | typedef typename Parent::Key Key; |
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| 449 | typedef typename Parent::Value Value; |
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[1070] | 450 | |
---|
| 451 | ///Constructor |
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| 452 | |
---|
| 453 | ///Constructor |
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| 454 | ///\param _m is the undelying map |
---|
| 455 | ///\param _v is the scaling value |
---|
[1691] | 456 | ScaleMap(const M &_m, const C &_v ) : m(_m), v(_v) {}; |
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| 457 | Value operator[](Key k) const {return v * m[k];} |
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[1070] | 458 | }; |
---|
| 459 | |
---|
| 460 | ///Returns an \ref ScaleMap class |
---|
| 461 | |
---|
| 462 | ///This function just returns an \ref ScaleMap class. |
---|
| 463 | ///\relates ScaleMap |
---|
| 464 | ///\todo A better name is required. |
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[1691] | 465 | template<typename M, typename C> |
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[1705] | 466 | inline ScaleMap<M, C> scaleMap(const M &m,const C &v) { |
---|
| 467 | return ScaleMap<M, C>(m,v); |
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[1070] | 468 | } |
---|
| 469 | |
---|
[1041] | 470 | ///Quotient of two maps |
---|
| 471 | |
---|
| 472 | ///This \ref concept::ReadMap "read only map" returns the quotient of the |
---|
[1547] | 473 | ///values of the two |
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[1041] | 474 | ///given maps. Its \c Key and \c Value will be inherited from \c M1. |
---|
| 475 | ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1. |
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| 476 | |
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[1705] | 477 | template<typename M1, typename M2> |
---|
| 478 | class DivMap : public MapBase<typename M1::Key, typename M1::Value> { |
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| 479 | const M1& m1; |
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| 480 | const M2& m2; |
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[1041] | 481 | public: |
---|
[1705] | 482 | typedef MapBase<typename M1::Key, typename M1::Value> Parent; |
---|
[1675] | 483 | typedef typename Parent::Key Key; |
---|
| 484 | typedef typename Parent::Value Value; |
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[1041] | 485 | |
---|
| 486 | ///Constructor |
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| 487 | DivMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {}; |
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[1044] | 488 | Value operator[](Key k) const {return m1[k]/m2[k];} |
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[1041] | 489 | }; |
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| 490 | |
---|
| 491 | ///Returns a \ref DivMap class |
---|
| 492 | |
---|
| 493 | ///This function just returns a \ref DivMap class. |
---|
| 494 | ///\relates DivMap |
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[1675] | 495 | template<typename M1, typename M2> |
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[1705] | 496 | inline DivMap<M1, M2> divMap(const M1 &m1,const M2 &m2) { |
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| 497 | return DivMap<M1, M2>(m1,m2); |
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[1041] | 498 | } |
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| 499 | |
---|
| 500 | ///Composition of two maps |
---|
| 501 | |
---|
| 502 | ///This \ref concept::ReadMap "read only map" returns the composition of |
---|
| 503 | ///two |
---|
| 504 | ///given maps. That is to say, if \c m1 is of type \c M1 and \c m2 is |
---|
| 505 | ///of \c M2, |
---|
| 506 | ///then for |
---|
| 507 | ///\code |
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[1675] | 508 | /// ComposeMap<M1, M2> cm(m1,m2); |
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[1041] | 509 | ///\endcode |
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[1044] | 510 | /// <tt>cm[x]</tt> will be equal to <tt>m1[m2[x]]</tt> |
---|
[1041] | 511 | /// |
---|
| 512 | ///Its \c Key is inherited from \c M2 and its \c Value is from |
---|
| 513 | ///\c M1. |
---|
| 514 | ///The \c M2::Value must be convertible to \c M1::Key. |
---|
| 515 | ///\todo Check the requirements. |
---|
| 516 | |
---|
[1705] | 517 | template <typename M1, typename M2> |
---|
| 518 | class ComposeMap : public MapBase<typename M2::Key, typename M1::Value> { |
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| 519 | const M1& m1; |
---|
| 520 | const M2& m2; |
---|
[1041] | 521 | public: |
---|
[1705] | 522 | typedef MapBase<typename M2::Key, typename M1::Value> Parent; |
---|
[1675] | 523 | typedef typename Parent::Key Key; |
---|
| 524 | typedef typename Parent::Value Value; |
---|
[1041] | 525 | |
---|
| 526 | ///Constructor |
---|
| 527 | ComposeMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {}; |
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[1725] | 528 | |
---|
| 529 | typename MapTraits<M1>::ConstReturnValue |
---|
| 530 | operator[](Key k) const {return m1[m2[k]];} |
---|
[1041] | 531 | }; |
---|
| 532 | ///Returns a \ref ComposeMap class |
---|
| 533 | |
---|
| 534 | ///This function just returns a \ref ComposeMap class. |
---|
[1219] | 535 | /// |
---|
[1041] | 536 | ///\relates ComposeMap |
---|
[1675] | 537 | template <typename M1, typename M2> |
---|
[1705] | 538 | inline ComposeMap<M1, M2> composeMap(const M1 &m1,const M2 &m2) { |
---|
| 539 | return ComposeMap<M1, M2>(m1,m2); |
---|
[1041] | 540 | } |
---|
[1219] | 541 | |
---|
[1547] | 542 | ///Combines of two maps using an STL (binary) functor. |
---|
[1219] | 543 | |
---|
[1547] | 544 | ///Combines of two maps using an STL (binary) functor. |
---|
[1219] | 545 | /// |
---|
| 546 | /// |
---|
[1547] | 547 | ///This \ref concept::ReadMap "read only map" takes two maps and a |
---|
[1219] | 548 | ///binary functor and returns the composition of |
---|
[1547] | 549 | ///the two |
---|
[1219] | 550 | ///given maps unsing the functor. |
---|
| 551 | ///That is to say, if \c m1 and \c m2 is of type \c M1 and \c M2 |
---|
| 552 | ///and \c f is of \c F, |
---|
| 553 | ///then for |
---|
| 554 | ///\code |
---|
[1675] | 555 | /// CombineMap<M1, M2,F,V> cm(m1,m2,f); |
---|
[1219] | 556 | ///\endcode |
---|
| 557 | /// <tt>cm[x]</tt> will be equal to <tt>f(m1[x],m2[x])</tt> |
---|
| 558 | /// |
---|
| 559 | ///Its \c Key is inherited from \c M1 and its \c Value is \c V. |
---|
| 560 | ///The \c M2::Value and \c M1::Value must be convertible to the corresponding |
---|
| 561 | ///input parameter of \c F and the return type of \c F must be convertible |
---|
| 562 | ///to \c V. |
---|
| 563 | ///\todo Check the requirements. |
---|
| 564 | |
---|
[1675] | 565 | template<typename M1, typename M2, typename F, |
---|
| 566 | typename V = typename F::result_type, |
---|
| 567 | typename NC = False> |
---|
[1705] | 568 | class CombineMap : public MapBase<typename M1::Key, V> { |
---|
| 569 | const M1& m1; |
---|
| 570 | const M2& m2; |
---|
[1420] | 571 | F f; |
---|
[1219] | 572 | public: |
---|
[1705] | 573 | typedef MapBase<typename M1::Key, V> Parent; |
---|
[1675] | 574 | typedef typename Parent::Key Key; |
---|
| 575 | typedef typename Parent::Value Value; |
---|
[1219] | 576 | |
---|
| 577 | ///Constructor |
---|
| 578 | CombineMap(const M1 &_m1,const M2 &_m2,const F &_f) |
---|
| 579 | : m1(_m1), m2(_m2), f(_f) {}; |
---|
| 580 | Value operator[](Key k) const {return f(m1[k],m2[k]);} |
---|
| 581 | }; |
---|
| 582 | |
---|
| 583 | ///Returns a \ref CombineMap class |
---|
| 584 | |
---|
| 585 | ///This function just returns a \ref CombineMap class. |
---|
| 586 | /// |
---|
| 587 | ///Only the first template parameter (the value type) must be given. |
---|
| 588 | /// |
---|
| 589 | ///For example if \c m1 and \c m2 are both \c double valued maps, then |
---|
| 590 | ///\code |
---|
| 591 | ///combineMap<double>(m1,m2,std::plus<double>) |
---|
| 592 | ///\endcode |
---|
| 593 | ///is equivalent with |
---|
| 594 | ///\code |
---|
| 595 | ///addMap(m1,m2) |
---|
| 596 | ///\endcode |
---|
| 597 | /// |
---|
| 598 | ///\relates CombineMap |
---|
[1675] | 599 | template<typename M1, typename M2, typename F, typename V> |
---|
[1705] | 600 | inline CombineMap<M1, M2, F, V> |
---|
[1675] | 601 | combineMap(const M1& m1,const M2& m2, const F& f) { |
---|
[1705] | 602 | return CombineMap<M1, M2, F, V>(m1,m2,f); |
---|
[1675] | 603 | } |
---|
| 604 | |
---|
| 605 | template<typename M1, typename M2, typename F> |
---|
[1705] | 606 | inline CombineMap<M1, M2, F, typename F::result_type> |
---|
[1675] | 607 | combineMap(const M1& m1, const M2& m2, const F& f) { |
---|
| 608 | return combineMap<M1, M2, F, typename F::result_type>(m1,m2,f); |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | template<typename M1, typename M2, typename K1, typename K2, typename V> |
---|
[1705] | 612 | inline CombineMap<M1, M2, V (*)(K1, K2), V> |
---|
[1675] | 613 | combineMap(const M1 &m1, const M2 &m2, V (*f)(K1, K2)) { |
---|
| 614 | return combineMap<M1, M2, V (*)(K1, K2), V>(m1,m2,f); |
---|
[1219] | 615 | } |
---|
[1041] | 616 | |
---|
| 617 | ///Negative value of a map |
---|
| 618 | |
---|
| 619 | ///This \ref concept::ReadMap "read only map" returns the negative |
---|
| 620 | ///value of the |
---|
| 621 | ///value returned by the |
---|
| 622 | ///given map. Its \c Key and \c Value will be inherited from \c M. |
---|
| 623 | ///The unary \c - operator must be defined for \c Value, of course. |
---|
| 624 | |
---|
[1705] | 625 | template<typename M> |
---|
| 626 | class NegMap : public MapBase<typename M::Key, typename M::Value> { |
---|
| 627 | const M& m; |
---|
[1041] | 628 | public: |
---|
[1705] | 629 | typedef MapBase<typename M::Key, typename M::Value> Parent; |
---|
[1675] | 630 | typedef typename Parent::Key Key; |
---|
| 631 | typedef typename Parent::Value Value; |
---|
[1041] | 632 | |
---|
| 633 | ///Constructor |
---|
| 634 | NegMap(const M &_m) : m(_m) {}; |
---|
[1044] | 635 | Value operator[](Key k) const {return -m[k];} |
---|
[1041] | 636 | }; |
---|
| 637 | |
---|
| 638 | ///Returns a \ref NegMap class |
---|
| 639 | |
---|
| 640 | ///This function just returns a \ref NegMap class. |
---|
| 641 | ///\relates NegMap |
---|
[1675] | 642 | template <typename M> |
---|
[1705] | 643 | inline NegMap<M> negMap(const M &m) { |
---|
| 644 | return NegMap<M>(m); |
---|
[1041] | 645 | } |
---|
| 646 | |
---|
| 647 | |
---|
| 648 | ///Absolute value of a map |
---|
| 649 | |
---|
| 650 | ///This \ref concept::ReadMap "read only map" returns the absolute value |
---|
| 651 | ///of the |
---|
| 652 | ///value returned by the |
---|
[1044] | 653 | ///given map. Its \c Key and \c Value will be inherited |
---|
| 654 | ///from <tt>M</tt>. <tt>Value</tt> |
---|
| 655 | ///must be comparable to <tt>0</tt> and the unary <tt>-</tt> |
---|
| 656 | ///operator must be defined for it, of course. |
---|
| 657 | /// |
---|
| 658 | ///\bug We need a unified way to handle the situation below: |
---|
| 659 | ///\code |
---|
| 660 | /// struct _UnConvertible {}; |
---|
| 661 | /// template<class A> inline A t_abs(A a) {return _UnConvertible();} |
---|
| 662 | /// template<> inline int t_abs<>(int n) {return abs(n);} |
---|
| 663 | /// template<> inline long int t_abs<>(long int n) {return labs(n);} |
---|
| 664 | /// template<> inline long long int t_abs<>(long long int n) {return ::llabs(n);} |
---|
| 665 | /// template<> inline float t_abs<>(float n) {return fabsf(n);} |
---|
| 666 | /// template<> inline double t_abs<>(double n) {return fabs(n);} |
---|
| 667 | /// template<> inline long double t_abs<>(long double n) {return fabsl(n);} |
---|
| 668 | ///\endcode |
---|
| 669 | |
---|
[1041] | 670 | |
---|
[1705] | 671 | template<typename M> |
---|
| 672 | class AbsMap : public MapBase<typename M::Key, typename M::Value> { |
---|
| 673 | const M& m; |
---|
[1041] | 674 | public: |
---|
[1705] | 675 | typedef MapBase<typename M::Key, typename M::Value> Parent; |
---|
[1675] | 676 | typedef typename Parent::Key Key; |
---|
| 677 | typedef typename Parent::Value Value; |
---|
[1041] | 678 | |
---|
| 679 | ///Constructor |
---|
| 680 | AbsMap(const M &_m) : m(_m) {}; |
---|
[1675] | 681 | Value operator[](Key k) const { |
---|
| 682 | Value tmp = m[k]; |
---|
| 683 | return tmp >= 0 ? tmp : -tmp; |
---|
| 684 | } |
---|
| 685 | |
---|
[1041] | 686 | }; |
---|
| 687 | |
---|
| 688 | ///Returns a \ref AbsMap class |
---|
| 689 | |
---|
| 690 | ///This function just returns a \ref AbsMap class. |
---|
| 691 | ///\relates AbsMap |
---|
[1675] | 692 | template<typename M> |
---|
[1705] | 693 | inline AbsMap<M> absMap(const M &m) { |
---|
| 694 | return AbsMap<M>(m); |
---|
[1041] | 695 | } |
---|
| 696 | |
---|
[1402] | 697 | ///Converts an STL style functor to a map |
---|
[1076] | 698 | |
---|
| 699 | ///This \ref concept::ReadMap "read only map" returns the value |
---|
| 700 | ///of a |
---|
| 701 | ///given map. |
---|
| 702 | /// |
---|
| 703 | ///Template parameters \c K and \c V will become its |
---|
| 704 | ///\c Key and \c Value. They must be given explicitely |
---|
| 705 | ///because a functor does not provide such typedefs. |
---|
| 706 | /// |
---|
| 707 | ///Parameter \c F is the type of the used functor. |
---|
| 708 | |
---|
| 709 | |
---|
[1675] | 710 | template<typename F, |
---|
| 711 | typename K = typename F::argument_type, |
---|
| 712 | typename V = typename F::result_type, |
---|
| 713 | typename NC = False> |
---|
[1705] | 714 | class FunctorMap : public MapBase<K, V> { |
---|
[1679] | 715 | F f; |
---|
[1076] | 716 | public: |
---|
[1705] | 717 | typedef MapBase<K, V> Parent; |
---|
[1675] | 718 | typedef typename Parent::Key Key; |
---|
| 719 | typedef typename Parent::Value Value; |
---|
[1076] | 720 | |
---|
| 721 | ///Constructor |
---|
[1679] | 722 | FunctorMap(const F &_f) : f(_f) {} |
---|
| 723 | |
---|
| 724 | Value operator[](Key k) const { return f(k);} |
---|
[1076] | 725 | }; |
---|
| 726 | |
---|
| 727 | ///Returns a \ref FunctorMap class |
---|
| 728 | |
---|
| 729 | ///This function just returns a \ref FunctorMap class. |
---|
| 730 | /// |
---|
| 731 | ///The third template parameter isn't necessary to be given. |
---|
| 732 | ///\relates FunctorMap |
---|
[1675] | 733 | template<typename K, typename V, typename F> inline |
---|
[1705] | 734 | FunctorMap<F, K, V> functorMap(const F &f) { |
---|
| 735 | return FunctorMap<F, K, V>(f); |
---|
[1076] | 736 | } |
---|
| 737 | |
---|
[1675] | 738 | template <typename F> inline |
---|
[1705] | 739 | FunctorMap<F, typename F::argument_type, typename F::result_type> |
---|
[1675] | 740 | functorMap(const F &f) { |
---|
[1679] | 741 | return FunctorMap<F, typename F::argument_type, |
---|
[1705] | 742 | typename F::result_type>(f); |
---|
[1675] | 743 | } |
---|
| 744 | |
---|
| 745 | template <typename K, typename V> inline |
---|
[1705] | 746 | FunctorMap<V (*)(K), K, V> functorMap(V (*f)(K)) { |
---|
| 747 | return FunctorMap<V (*)(K), K, V>(f); |
---|
[1675] | 748 | } |
---|
| 749 | |
---|
| 750 | |
---|
[1219] | 751 | ///Converts a map to an STL style (unary) functor |
---|
[1076] | 752 | |
---|
[1219] | 753 | ///This class Converts a map to an STL style (unary) functor. |
---|
[1076] | 754 | ///that is it provides an <tt>operator()</tt> to read its values. |
---|
| 755 | /// |
---|
[1223] | 756 | ///For the sake of convenience it also works as |
---|
[1537] | 757 | ///a ususal \ref concept::ReadMap "readable map", |
---|
| 758 | ///i.e. <tt>operator[]</tt> and the \c Key and \c Value typedefs also exist. |
---|
[1076] | 759 | |
---|
[1705] | 760 | template <typename M> |
---|
| 761 | class MapFunctor : public MapBase<typename M::Key, typename M::Value> { |
---|
| 762 | const M& m; |
---|
[1076] | 763 | public: |
---|
[1705] | 764 | typedef MapBase<typename M::Key, typename M::Value> Parent; |
---|
[1675] | 765 | typedef typename Parent::Key Key; |
---|
| 766 | typedef typename Parent::Value Value; |
---|
[1420] | 767 | |
---|
[1456] | 768 | ///\e |
---|
[1223] | 769 | typedef typename M::Key argument_type; |
---|
[1456] | 770 | ///\e |
---|
[1223] | 771 | typedef typename M::Value result_type; |
---|
[1076] | 772 | |
---|
| 773 | ///Constructor |
---|
| 774 | MapFunctor(const M &_m) : m(_m) {}; |
---|
| 775 | ///Returns a value of the map |
---|
| 776 | Value operator()(Key k) const {return m[k];} |
---|
| 777 | ///\e |
---|
| 778 | Value operator[](Key k) const {return m[k];} |
---|
| 779 | }; |
---|
| 780 | |
---|
| 781 | ///Returns a \ref MapFunctor class |
---|
| 782 | |
---|
| 783 | ///This function just returns a \ref MapFunctor class. |
---|
| 784 | ///\relates MapFunctor |
---|
[1675] | 785 | template<typename M> |
---|
[1705] | 786 | inline MapFunctor<M> mapFunctor(const M &m) { |
---|
| 787 | return MapFunctor<M>(m); |
---|
[1076] | 788 | } |
---|
| 789 | |
---|
| 790 | |
---|
[1547] | 791 | ///Applies all map setting operations to two maps |
---|
[1219] | 792 | |
---|
| 793 | ///This map has two \ref concept::WriteMap "writable map" |
---|
| 794 | ///parameters and each write request will be passed to both of them. |
---|
| 795 | ///If \c M1 is also \ref concept::ReadMap "readable", |
---|
| 796 | ///then the read operations will return the |
---|
[1317] | 797 | ///corresponding values of \c M1. |
---|
[1219] | 798 | /// |
---|
| 799 | ///The \c Key and \c Value will be inherited from \c M1. |
---|
| 800 | ///The \c Key and \c Value of M2 must be convertible from those of \c M1. |
---|
| 801 | |
---|
[1705] | 802 | template<typename M1, typename M2> |
---|
| 803 | class ForkMap : public MapBase<typename M1::Key, typename M1::Value> { |
---|
| 804 | const M1& m1; |
---|
| 805 | const M2& m2; |
---|
[1219] | 806 | public: |
---|
[1705] | 807 | typedef MapBase<typename M1::Key, typename M1::Value> Parent; |
---|
[1675] | 808 | typedef typename Parent::Key Key; |
---|
| 809 | typedef typename Parent::Value Value; |
---|
[1219] | 810 | |
---|
| 811 | ///Constructor |
---|
| 812 | ForkMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {}; |
---|
| 813 | Value operator[](Key k) const {return m1[k];} |
---|
[1675] | 814 | // void set(Key k, const Value &v) {m1.set(k,v); m2.set(k,v);} |
---|
[1219] | 815 | }; |
---|
| 816 | |
---|
| 817 | ///Returns an \ref ForkMap class |
---|
| 818 | |
---|
| 819 | ///This function just returns an \ref ForkMap class. |
---|
| 820 | ///\todo How to call these type of functions? |
---|
| 821 | /// |
---|
| 822 | ///\relates ForkMap |
---|
| 823 | ///\todo Wrong scope in Doxygen when \c \\relates is used |
---|
[1675] | 824 | template <typename M1, typename M2> |
---|
[1705] | 825 | inline ForkMap<M1, M2> forkMap(const M1 &m1,const M2 &m2) { |
---|
| 826 | return ForkMap<M1, M2>(m1,m2); |
---|
[1219] | 827 | } |
---|
| 828 | |
---|
[1456] | 829 | |
---|
| 830 | |
---|
| 831 | /* ************* BOOL MAPS ******************* */ |
---|
| 832 | |
---|
| 833 | ///Logical 'not' of a map |
---|
| 834 | |
---|
| 835 | ///This bool \ref concept::ReadMap "read only map" returns the |
---|
| 836 | ///logical negation of |
---|
| 837 | ///value returned by the |
---|
| 838 | ///given map. Its \c Key and will be inherited from \c M, |
---|
| 839 | ///its Value is <tt>bool</tt>. |
---|
| 840 | |
---|
[1705] | 841 | template <typename M> |
---|
| 842 | class NotMap : public MapBase<typename M::Key, bool> { |
---|
| 843 | const M& m; |
---|
[1456] | 844 | public: |
---|
[1705] | 845 | typedef MapBase<typename M::Key, bool> Parent; |
---|
[1675] | 846 | typedef typename Parent::Key Key; |
---|
| 847 | typedef typename Parent::Value Value; |
---|
[1456] | 848 | |
---|
[1778] | 849 | /// Constructor |
---|
[1456] | 850 | NotMap(const M &_m) : m(_m) {}; |
---|
| 851 | Value operator[](Key k) const {return !m[k];} |
---|
| 852 | }; |
---|
| 853 | |
---|
| 854 | ///Returns a \ref NotMap class |
---|
| 855 | |
---|
| 856 | ///This function just returns a \ref NotMap class. |
---|
| 857 | ///\relates NotMap |
---|
[1675] | 858 | template <typename M> |
---|
[1705] | 859 | inline NotMap<M> notMap(const M &m) { |
---|
| 860 | return NotMap<M>(m); |
---|
[1456] | 861 | } |
---|
| 862 | |
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[1808] | 863 | /// \brief Writable bool map for store each true assigned elements. |
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[1778] | 864 | /// |
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[1808] | 865 | /// Writable bool map for store each true assigned elements. It will |
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[1778] | 866 | /// copies all the true setted keys to the given iterator. |
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| 867 | /// |
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| 868 | /// \note The container of the iterator should contain for each element. |
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| 869 | template <typename _Iterator> |
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| 870 | class StoreBoolMap { |
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| 871 | public: |
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| 872 | typedef _Iterator Iterator; |
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| 873 | |
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| 874 | typedef typename std::iterator_traits<Iterator>::value_type Key; |
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| 875 | typedef bool Value; |
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| 876 | |
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| 877 | /// Constructor |
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| 878 | StoreBoolMap(Iterator it) : _begin(it), _end(it) {} |
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| 879 | |
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| 880 | /// Gives back the given first setted iterator. |
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| 881 | Iterator begin() const { |
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| 882 | return _begin; |
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| 883 | } |
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| 884 | |
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| 885 | /// Gives back the iterator after the last setted. |
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| 886 | Iterator end() const { |
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| 887 | return _end; |
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| 888 | } |
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| 889 | |
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| 890 | /// Setter function of the map |
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| 891 | void set(const Key& key, Value value) { |
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| 892 | if (value) { |
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| 893 | *_end++ = key; |
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| 894 | } |
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| 895 | } |
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| 896 | |
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| 897 | private: |
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| 898 | Iterator _begin, _end; |
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| 899 | }; |
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| 900 | |
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[1808] | 901 | /// \brief Writable bool map for store each true assigned elements in |
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[1778] | 902 | /// a back insertable container. |
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| 903 | /// |
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[1808] | 904 | /// Writable bool map for store each true assigned elements in a back |
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[1778] | 905 | /// insertable container. It will push back all the true setted keys into |
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| 906 | /// the container. |
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| 907 | template <typename Container> |
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| 908 | class BackInserterBoolMap { |
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| 909 | public: |
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| 910 | typedef typename Container::value_type Key; |
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| 911 | typedef bool Value; |
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| 912 | |
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| 913 | /// Constructor |
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| 914 | BackInserterBoolMap(Container& _container) : container(_container) {} |
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| 915 | |
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| 916 | /// Setter function of the map |
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| 917 | void set(const Key& key, Value value) { |
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| 918 | if (value) { |
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| 919 | container.push_back(key); |
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| 920 | } |
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| 921 | } |
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| 922 | |
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| 923 | private: |
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| 924 | Container& container; |
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| 925 | }; |
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| 926 | |
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[1808] | 927 | /// \brief Writable bool map for store each true assigned elements in |
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[1778] | 928 | /// a front insertable container. |
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| 929 | /// |
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[1808] | 930 | /// Writable bool map for store each true assigned elements in a front |
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[1778] | 931 | /// insertable container. It will push front all the true setted keys into |
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| 932 | /// the container. |
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| 933 | template <typename Container> |
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| 934 | class FrontInserterBoolMap { |
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| 935 | public: |
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| 936 | typedef typename Container::value_type Key; |
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| 937 | typedef bool Value; |
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| 938 | |
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| 939 | /// Constructor |
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| 940 | FrontInserterBoolMap(Container& _container) : container(_container) {} |
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| 941 | |
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| 942 | /// Setter function of the map |
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| 943 | void set(const Key& key, Value value) { |
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| 944 | if (value) { |
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| 945 | container.push_front(key); |
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| 946 | } |
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| 947 | } |
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| 948 | |
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| 949 | private: |
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| 950 | Container& container; |
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| 951 | }; |
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| 952 | |
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[1808] | 953 | /// \brief Writable bool map for store each true assigned elements in |
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[1778] | 954 | /// an insertable container. |
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| 955 | /// |
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[1808] | 956 | /// Writable bool map for store each true assigned elements in an |
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[1778] | 957 | /// insertable container. It will insert all the true setted keys into |
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| 958 | /// the container. |
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| 959 | template <typename Container> |
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| 960 | class InserterBoolMap { |
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| 961 | public: |
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| 962 | typedef typename Container::value_type Key; |
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| 963 | typedef bool Value; |
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| 964 | |
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| 965 | /// Constructor |
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| 966 | InserterBoolMap(Container& _container) : container(_container) {} |
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| 967 | |
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| 968 | /// Setter function of the map |
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| 969 | void set(const Key& key, Value value) { |
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| 970 | if (value) { |
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| 971 | container.insert(key); |
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| 972 | } |
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| 973 | } |
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| 974 | |
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| 975 | private: |
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| 976 | Container& container; |
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| 977 | }; |
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| 978 | |
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| 979 | /// \brief Fill the true setted elements with a given value. |
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| 980 | /// |
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[1808] | 981 | /// Writable bool map for fill the true setted elements with a given value. |
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[1778] | 982 | /// The value can be setted |
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| 983 | /// the container. |
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| 984 | template <typename Map> |
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| 985 | class FillBoolMap { |
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| 986 | public: |
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| 987 | typedef typename Map::Key Key; |
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| 988 | typedef bool Value; |
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| 989 | |
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| 990 | /// Constructor |
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| 991 | FillBoolMap(Map& _map, const typename Map::Value& _fill) |
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| 992 | : map(_map), fill(_fill) {} |
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| 993 | |
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| 994 | /// Constructor |
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| 995 | FillBoolMap(Map& _map) |
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| 996 | : map(_map), fill() {} |
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| 997 | |
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| 998 | /// Gives back the current fill value |
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| 999 | typename Map::Value fillValue() const { |
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| 1000 | return fill; |
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| 1001 | } |
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| 1002 | |
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| 1003 | /// Sets the current fill value |
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| 1004 | void fillValue(const typename Map::Value& _fill) { |
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| 1005 | fill = _fill; |
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| 1006 | } |
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| 1007 | |
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| 1008 | /// Setter function of the map |
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| 1009 | void set(const Key& key, Value value) { |
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| 1010 | if (value) { |
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| 1011 | map.set(key, fill); |
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| 1012 | } |
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| 1013 | } |
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| 1014 | |
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| 1015 | private: |
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| 1016 | Map& map; |
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| 1017 | typename Map::Value fill; |
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| 1018 | }; |
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| 1019 | |
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| 1020 | |
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[1808] | 1021 | /// \brief Writable bool map which stores for each true assigned elements |
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[1778] | 1022 | /// the setting order number. |
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| 1023 | /// |
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[1808] | 1024 | /// Writable bool map which stores for each true assigned elements |
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[1778] | 1025 | /// the setting order number. |
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| 1026 | template <typename Map> |
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| 1027 | class SettingOrderBoolMap { |
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| 1028 | public: |
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| 1029 | typedef typename Map::Key Key; |
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| 1030 | typedef bool Value; |
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| 1031 | |
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| 1032 | /// Constructor |
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| 1033 | SettingOrderBoolMap(Map& _map) |
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| 1034 | : map(_map), counter(0) {} |
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| 1035 | |
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| 1036 | /// Number of setted keys. |
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| 1037 | int num() const { |
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| 1038 | return counter; |
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| 1039 | } |
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| 1040 | |
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| 1041 | /// Setter function of the map |
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| 1042 | void set(const Key& key, Value value) { |
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| 1043 | if (value) { |
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| 1044 | map.set(key, counter++); |
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| 1045 | } |
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| 1046 | } |
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| 1047 | |
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| 1048 | private: |
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| 1049 | Map& map; |
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| 1050 | int counter; |
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| 1051 | }; |
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| 1052 | |
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[1041] | 1053 | /// @} |
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[286] | 1054 | } |
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[1041] | 1055 | |
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[921] | 1056 | #endif // LEMON_MAPS_H |
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