1 | /* -*- C++ -*- |
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2 | * src/lemon/default_map.h - Part of LEMON, a generic C++ optimization library |
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3 | * |
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4 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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5 | * (Egervary Combinatorial Optimization Research Group, EGRES). |
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6 | * |
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7 | * Permission to use, modify and distribute this software is granted |
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8 | * provided that this copyright notice appears in all copies. For |
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9 | * precise terms see the accompanying LICENSE file. |
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10 | * |
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11 | * This software is provided "AS IS" with no warranty of any kind, |
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12 | * express or implied, and with no claim as to its suitability for any |
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13 | * purpose. |
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14 | * |
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15 | */ |
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16 | |
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17 | #ifndef LEMON_DEFAULT_MAP_H |
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18 | #define LEMON_DEFAULT_MAP_H |
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19 | |
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20 | |
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21 | #include <lemon/array_map.h> |
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22 | #include <lemon/vector_map.h> |
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23 | |
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24 | ///\ingroup graphmaps |
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25 | ///\file |
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26 | ///\brief Graph maps that construct and destruct |
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27 | ///their elements dynamically. |
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28 | |
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29 | namespace lemon { |
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30 | |
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31 | /// \addtogroup graphmaps |
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32 | /// @{ |
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33 | |
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34 | /** The ArrayMap template class is graph map structure what |
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35 | * automatically updates the map when a key is added to or erased from |
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36 | * the map. This map uses the VectorMap if the Value is a primitive |
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37 | * type and the ArrayMap for the other cases. |
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38 | * |
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39 | * The template parameter is the MapRegistry that the maps |
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40 | * will belong to and the Value. |
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41 | */ |
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42 | |
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43 | |
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44 | |
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45 | template <typename _Graph, typename _Item, typename _Value> |
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46 | struct DefaultMapSelector { |
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47 | typedef ArrayMap<_Graph, _Item, _Value> Map; |
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48 | }; |
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49 | |
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50 | // bool |
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51 | template <typename _Graph, typename _Item> |
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52 | struct DefaultMapSelector<_Graph, _Item, bool> { |
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53 | typedef VectorMap<_Graph, _Item, bool> Map; |
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54 | }; |
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55 | |
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56 | // char |
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57 | template <typename _Graph, typename _Item> |
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58 | struct DefaultMapSelector<_Graph, _Item, char> { |
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59 | typedef VectorMap<_Graph, _Item, char> Map; |
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60 | }; |
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61 | |
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62 | template <typename _Graph, typename _Item> |
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63 | struct DefaultMapSelector<_Graph, _Item, signed char> { |
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64 | typedef VectorMap<_Graph, _Item, signed char> Map; |
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65 | }; |
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66 | |
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67 | template <typename _Graph, typename _Item> |
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68 | struct DefaultMapSelector<_Graph, _Item, unsigned char> { |
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69 | typedef VectorMap<_Graph, _Item, unsigned char> Map; |
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70 | }; |
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71 | |
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72 | |
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73 | // int |
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74 | template <typename _Graph, typename _Item> |
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75 | struct DefaultMapSelector<_Graph, _Item, signed int> { |
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76 | typedef VectorMap<_Graph, _Item, signed int> Map; |
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77 | }; |
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78 | |
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79 | template <typename _Graph, typename _Item> |
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80 | struct DefaultMapSelector<_Graph, _Item, unsigned int> { |
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81 | typedef VectorMap<_Graph, _Item, unsigned int> Map; |
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82 | }; |
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83 | |
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84 | |
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85 | // short |
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86 | template <typename _Graph, typename _Item> |
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87 | struct DefaultMapSelector<_Graph, _Item, signed short> { |
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88 | typedef VectorMap<_Graph, _Item, signed short> Map; |
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89 | }; |
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90 | |
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91 | template <typename _Graph, typename _Item> |
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92 | struct DefaultMapSelector<_Graph, _Item, unsigned short> { |
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93 | typedef VectorMap<_Graph, _Item, unsigned short> Map; |
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94 | }; |
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95 | |
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96 | |
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97 | // long |
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98 | template <typename _Graph, typename _Item> |
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99 | struct DefaultMapSelector<_Graph, _Item, signed long> { |
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100 | typedef VectorMap<_Graph, _Item, signed long> Map; |
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101 | }; |
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102 | |
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103 | template <typename _Graph, typename _Item> |
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104 | struct DefaultMapSelector<_Graph, _Item, unsigned long> { |
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105 | typedef VectorMap<_Graph, _Item, unsigned long> Map; |
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106 | }; |
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107 | |
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108 | // \todo handling long long type |
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109 | |
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110 | |
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111 | // float |
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112 | template <typename _Graph, typename _Item> |
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113 | struct DefaultMapSelector<_Graph, _Item, float> { |
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114 | typedef VectorMap<_Graph, _Item, float> Map; |
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115 | }; |
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116 | |
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117 | |
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118 | // double |
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119 | template <typename _Graph, typename _Item> |
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120 | struct DefaultMapSelector<_Graph, _Item, double> { |
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121 | typedef VectorMap<_Graph, _Item, double> Map; |
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122 | }; |
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123 | |
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124 | |
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125 | // long double |
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126 | template <typename _Graph, typename _Item> |
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127 | struct DefaultMapSelector<_Graph, _Item, long double> { |
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128 | typedef VectorMap<_Graph, _Item, long double> Map; |
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129 | }; |
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130 | |
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131 | |
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132 | // pointer |
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133 | template <typename _Graph, typename _Item, typename _Ptr> |
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134 | struct DefaultMapSelector<_Graph, _Item, _Ptr*> { |
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135 | typedef VectorMap<_Graph, _Item, _Ptr*> Map; |
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136 | }; |
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137 | |
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138 | |
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139 | |
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140 | template < |
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141 | typename _Graph, |
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142 | typename _Item, |
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143 | typename _Value> |
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144 | class DefaultMap |
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145 | : public DefaultMapSelector<_Graph, _Item, _Value>::Map { |
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146 | public: |
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147 | typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent; |
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148 | typedef DefaultMap<_Graph, _Item, _Value> Map; |
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149 | |
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150 | typedef typename Parent::Graph Graph; |
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151 | typedef typename Parent::Value Value; |
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152 | |
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153 | DefaultMap(const Graph& _g) : Parent(_g) {} |
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154 | DefaultMap(const Graph& _g, const Value& _v) : Parent(_g, _v) {} |
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155 | }; |
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156 | |
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157 | |
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158 | |
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159 | template <typename _Base> |
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160 | class DefaultMappableGraphExtender : public _Base { |
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161 | public: |
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162 | |
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163 | typedef DefaultMappableGraphExtender<_Base> Graph; |
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164 | typedef _Base Parent; |
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165 | |
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166 | typedef typename Parent::Node Node; |
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167 | typedef typename Parent::NodeIt NodeIt; |
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168 | |
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169 | typedef typename Parent::Edge Edge; |
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170 | typedef typename Parent::EdgeIt EdgeIt; |
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171 | |
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172 | |
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173 | template <typename _Value> |
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174 | class NodeMap |
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175 | : public IterableMapExtender<DefaultMap<Graph, Node, _Value> > { |
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176 | public: |
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177 | typedef DefaultMappableGraphExtender Graph; |
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178 | typedef IterableMapExtender<DefaultMap<Graph, Node, _Value> > Parent; |
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179 | |
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180 | NodeMap(const Graph& _g) |
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181 | : Parent(_g) {} |
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182 | NodeMap(const Graph& _g, const _Value& _v) |
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183 | : Parent(_g, _v) {} |
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184 | }; |
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185 | |
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186 | template <typename _Value> |
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187 | class EdgeMap |
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188 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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189 | public: |
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190 | typedef DefaultMappableGraphExtender Graph; |
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191 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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192 | |
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193 | EdgeMap(const Graph& _g) |
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194 | : Parent(_g) {} |
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195 | EdgeMap(const Graph& _g, const _Value& _v) |
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196 | : Parent(_g, _v) {} |
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197 | }; |
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198 | |
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199 | }; |
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200 | |
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201 | template <typename _Base> |
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202 | class MappableUndirGraphExtender : |
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203 | public DefaultMappableGraphExtender<_Base> { |
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204 | public: |
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205 | |
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206 | typedef MappableUndirGraphExtender Graph; |
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207 | typedef DefaultMappableGraphExtender<_Base> Parent; |
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208 | |
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209 | typedef typename Parent::UndirEdge UndirEdge; |
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210 | |
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211 | template <typename _Value> |
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212 | class UndirEdgeMap |
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213 | : public IterableMapExtender<DefaultMap<Graph, UndirEdge, _Value> > { |
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214 | public: |
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215 | typedef MappableUndirGraphExtender Graph; |
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216 | typedef IterableMapExtender< |
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217 | DefaultMap<Graph, UndirEdge, _Value> > Parent; |
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218 | |
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219 | UndirEdgeMap(const Graph& _g) |
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220 | : Parent(_g) {} |
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221 | UndirEdgeMap(const Graph& _g, const _Value& _v) |
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222 | : Parent(_g, _v) {} |
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223 | }; |
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224 | |
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225 | |
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226 | }; |
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227 | |
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228 | } |
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229 | |
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230 | #endif |
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