1 | /* -*- C++ -*- |
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2 | * |
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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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7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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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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19 | #ifndef LEMON_EDGE_SET_H |
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20 | #define LEMON_EDGE_SET_H |
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21 | |
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22 | #include <lemon/bits/erasable_graph_extender.h> |
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23 | #include <lemon/bits/clearable_graph_extender.h> |
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24 | #include <lemon/bits/extendable_graph_extender.h> |
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25 | #include <lemon/bits/iterable_graph_extender.h> |
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26 | #include <lemon/bits/alteration_notifier.h> |
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27 | #include <lemon/bits/default_map.h> |
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28 | #include <lemon/bits/graph_extender.h> |
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29 | |
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30 | /// \ingroup graphs |
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31 | /// \file |
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32 | /// \brief EdgeSet classes. |
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33 | /// |
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34 | /// Graphs which use another graph's node-set as own. |
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35 | |
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36 | namespace lemon { |
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37 | |
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38 | template <typename _Graph> |
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39 | class ListEdgeSetBase { |
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40 | public: |
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41 | |
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42 | typedef _Graph Graph; |
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43 | typedef typename Graph::Node Node; |
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44 | typedef typename Graph::NodeIt NodeIt; |
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45 | |
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46 | protected: |
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47 | |
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48 | struct NodeT { |
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49 | int first_out, first_in; |
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50 | NodeT() : first_out(-1), first_in(-1) {} |
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51 | }; |
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52 | |
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53 | typedef typename Graph::template NodeMap<NodeT> NodesImplBase; |
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54 | |
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55 | NodesImplBase* nodes; |
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56 | |
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57 | struct EdgeT { |
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58 | Node source, target; |
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59 | int next_out, next_in; |
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60 | int prev_out, prev_in; |
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61 | EdgeT() : prev_out(-1), prev_in(-1) {} |
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62 | }; |
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63 | |
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64 | std::vector<EdgeT> edges; |
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65 | |
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66 | int first_edge; |
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67 | int first_free_edge; |
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68 | |
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69 | const Graph* graph; |
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70 | |
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71 | void initalize(const Graph& _graph, NodesImplBase& _nodes) { |
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72 | graph = &_graph; |
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73 | nodes = &_nodes; |
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74 | } |
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75 | |
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76 | public: |
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77 | |
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78 | class Edge { |
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79 | friend class ListEdgeSetBase<Graph>; |
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80 | protected: |
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81 | Edge(int _id) : id(_id) {} |
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82 | int id; |
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83 | public: |
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84 | Edge() {} |
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85 | Edge(Invalid) : id(-1) {} |
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86 | bool operator==(const Edge& edge) const { return id == edge.id; } |
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87 | bool operator!=(const Edge& edge) const { return id != edge.id; } |
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88 | bool operator<(const Edge& edge) const { return id < edge.id; } |
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89 | }; |
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90 | |
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91 | ListEdgeSetBase() : first_edge(-1), first_free_edge(-1) {} |
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92 | |
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93 | Edge addEdge(const Node& source, const Node& target) { |
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94 | int n; |
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95 | if (first_free_edge == -1) { |
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96 | n = edges.size(); |
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97 | edges.push_back(EdgeT()); |
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98 | } else { |
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99 | n = first_free_edge; |
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100 | first_free_edge = edges[first_free_edge].next_in; |
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101 | } |
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102 | edges[n].next_in = (*nodes)[target].first_in; |
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103 | if ((*nodes)[target].first_in != -1) { |
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104 | edges[(*nodes)[target].first_in].prev_in = n; |
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105 | } |
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106 | (*nodes)[target].first_in = n; |
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107 | edges[n].next_out = (*nodes)[source].first_out; |
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108 | if ((*nodes)[source].first_out != -1) { |
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109 | edges[(*nodes)[source].first_out].prev_out = n; |
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110 | } |
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111 | (*nodes)[source].first_out = n; |
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112 | edges[n].source = source; |
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113 | edges[n].target = target; |
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114 | return Edge(n); |
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115 | } |
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116 | |
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117 | void erase(const Edge& edge) { |
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118 | int n = edge.id; |
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119 | if (edges[n].prev_in != -1) { |
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120 | edges[edges[n].prev_in].next_in = edges[n].next_in; |
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121 | } else { |
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122 | (*nodes)[edges[n].target].first_in = edges[n].next_in; |
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123 | } |
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124 | if (edges[n].next_in != -1) { |
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125 | edges[edges[n].next_in].prev_in = edges[n].prev_in; |
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126 | } |
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127 | |
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128 | if (edges[n].prev_out != -1) { |
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129 | edges[edges[n].prev_out].next_out = edges[n].next_out; |
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130 | } else { |
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131 | (*nodes)[edges[n].source].first_out = edges[n].next_out; |
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132 | } |
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133 | if (edges[n].next_out != -1) { |
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134 | edges[edges[n].next_out].prev_out = edges[n].prev_out; |
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135 | } |
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136 | |
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137 | } |
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138 | |
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139 | void clear() { |
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140 | Node node; |
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141 | for (first(node); node != INVALID; next(node)) { |
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142 | (*nodes)[node].first_in = -1; |
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143 | (*nodes)[node].first_out = -1; |
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144 | } |
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145 | edges.clear(); |
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146 | first_edge = -1; |
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147 | first_free_edge = -1; |
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148 | } |
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149 | |
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150 | void first(Node& node) const { |
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151 | graph->first(node); |
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152 | } |
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153 | |
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154 | void next(Node& node) const { |
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155 | graph->next(node); |
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156 | } |
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157 | |
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158 | void first(Edge& edge) const { |
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159 | Node node; |
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160 | for (first(node); node != INVALID && (*nodes)[node].first_in == -1; |
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161 | next(node)); |
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162 | edge.id = (node == INVALID) ? -1 : (*nodes)[node].first_in; |
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163 | } |
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164 | |
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165 | void next(Edge& edge) const { |
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166 | if (edges[edge.id].next_in != -1) { |
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167 | edge.id = edges[edge.id].next_in; |
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168 | } else { |
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169 | Node node = edges[edge.id].target; |
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170 | for (next(node); node != INVALID && (*nodes)[node].first_in == -1; |
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171 | next(node)); |
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172 | edge.id = (node == INVALID) ? -1 : (*nodes)[node].first_in; |
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173 | } |
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174 | } |
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175 | |
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176 | void firstOut(Edge& edge, const Node& node) const { |
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177 | edge.id = (*nodes)[node].first_out; |
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178 | } |
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179 | |
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180 | void nextOut(Edge& edge) const { |
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181 | edge.id = edges[edge.id].next_out; |
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182 | } |
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183 | |
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184 | void firstIn(Edge& edge, const Node& node) const { |
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185 | edge.id = (*nodes)[node].first_in; |
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186 | } |
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187 | |
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188 | void nextIn(Edge& edge) const { |
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189 | edge.id = edges[edge.id].next_in; |
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190 | } |
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191 | |
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192 | int id(const Node& node) const { return graph->id(node); } |
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193 | int id(const Edge& edge) const { return edge.id; } |
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194 | |
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195 | Node nodeFromId(int id) const { return graph->nodeFromId(id); } |
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196 | Edge edgeFromId(int id) const { return Edge(id); } |
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197 | |
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198 | int maxNodeId() const { return graph->maxNodeId(); }; |
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199 | int maxEdgeId() const { return edges.size() - 1; } |
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200 | |
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201 | Node source(const Edge& edge) const { return edges[edge.id].source;} |
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202 | Node target(const Edge& edge) const { return edges[edge.id].target;} |
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203 | |
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204 | template <typename _Value> |
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205 | class NodeMap : public Graph::template NodeMap<_Value> { |
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206 | public: |
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207 | typedef typename _Graph::template NodeMap<_Value> Parent; |
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208 | explicit NodeMap(const ListEdgeSetBase<Graph>& edgeset) |
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209 | : Parent(*edgeset.graph) { } |
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210 | NodeMap(const ListEdgeSetBase<Graph>& edgeset, const _Value& value) |
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211 | : Parent(*edgeset.graph, value) { } |
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212 | }; |
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213 | |
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214 | }; |
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215 | |
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216 | /// \ingroup semi_adaptors |
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217 | /// |
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218 | /// \brief Graph using a node set of another graph and an |
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219 | /// own edge set. |
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220 | /// |
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221 | /// This structure can be used to establish another graph over a node set |
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222 | /// of an existing one. The node iterator will go through the nodes of the |
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223 | /// original graph. |
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224 | /// |
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225 | /// \param _Graph The type of the graph which shares its node set with |
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226 | /// this class. Its interface must conform to the \ref concept::StaticGraph |
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227 | /// "StaticGraph" concept. |
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228 | /// |
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229 | /// In the edge extension and removing it conforms to the |
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230 | /// \ref concept::ErasableGraph "ErasableGraph" concept. |
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231 | template <typename _Graph> |
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232 | class ListEdgeSet : |
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233 | public ErasableEdgeSetExtender< |
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234 | ClearableEdgeSetExtender< |
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235 | ExtendableEdgeSetExtender< |
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236 | MappableEdgeSetExtender< |
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237 | IterableGraphExtender< |
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238 | AlterableEdgeSetExtender< |
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239 | GraphExtender< |
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240 | ListEdgeSetBase<_Graph> > > > > > > > { |
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241 | |
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242 | public: |
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243 | |
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244 | typedef ErasableEdgeSetExtender< |
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245 | ClearableEdgeSetExtender< |
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246 | ExtendableEdgeSetExtender< |
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247 | MappableEdgeSetExtender< |
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248 | IterableGraphExtender< |
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249 | AlterableEdgeSetExtender< |
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250 | GraphExtender< |
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251 | ListEdgeSetBase<_Graph> > > > > > > > Parent; |
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252 | |
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253 | typedef typename Parent::Node Node; |
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254 | typedef typename Parent::Edge Edge; |
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255 | |
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256 | typedef _Graph Graph; |
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257 | |
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258 | |
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259 | typedef typename Parent::NodesImplBase NodesImplBase; |
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260 | |
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261 | void eraseNode(const Node& node) { |
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262 | Edge edge; |
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263 | Parent::firstOut(edge, node); |
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264 | while (edge != INVALID ) { |
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265 | erase(edge); |
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266 | Parent::firstOut(edge, node); |
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267 | } |
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268 | |
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269 | Parent::firstIn(edge, node); |
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270 | while (edge != INVALID ) { |
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271 | erase(edge); |
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272 | Parent::firstIn(edge, node); |
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273 | } |
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274 | } |
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275 | |
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276 | void clearNodes() { |
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277 | Parent::clear(); |
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278 | } |
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279 | |
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280 | class NodesImpl : public NodesImplBase { |
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281 | public: |
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282 | typedef NodesImplBase Parent; |
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283 | |
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284 | NodesImpl(const Graph& graph, ListEdgeSet& edgeset) |
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285 | : Parent(graph), _edgeset(edgeset) {} |
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286 | |
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287 | virtual ~NodesImpl() {} |
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288 | |
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289 | protected: |
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290 | |
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291 | virtual void erase(const Node& node) { |
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292 | _edgeset.eraseNode(node); |
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293 | Parent::erase(node); |
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294 | } |
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295 | virtual void erase(const std::vector<Node>& nodes) { |
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296 | for (int i = 0; i < (int)nodes.size(); ++i) { |
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297 | _edgeset.eraseNode(nodes[i]); |
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298 | } |
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299 | Parent::erase(nodes); |
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300 | } |
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301 | virtual void clear() { |
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302 | _edgeset.clearNodes(); |
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303 | Parent::clear(); |
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304 | } |
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305 | |
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306 | private: |
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307 | ListEdgeSet& _edgeset; |
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308 | }; |
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309 | |
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310 | NodesImpl nodes; |
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311 | |
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312 | public: |
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313 | |
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314 | /// \brief Constructor of the adaptor. |
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315 | /// |
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316 | /// Constructor of the adaptor. |
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317 | ListEdgeSet(const Graph& graph) : nodes(graph, *this) { |
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318 | Parent::initalize(graph, nodes); |
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319 | } |
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320 | |
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321 | }; |
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322 | |
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323 | /// \ingroup semi_adaptors |
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324 | /// |
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325 | /// \brief Graph using a node set of another graph and an |
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326 | /// own uedge set. |
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327 | /// |
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328 | /// This structure can be used to establish another graph over a node set |
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329 | /// of an existing one. The node iterator will go through the nodes of the |
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330 | /// original graph. |
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331 | /// |
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332 | /// \param _Graph The type of the graph which shares its node set with |
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333 | /// this class. Its interface must conform to the \ref concept::StaticGraph |
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334 | /// "StaticGraph" concept. |
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335 | /// |
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336 | /// In the edge extension and removing it conforms to the |
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337 | /// \ref concept::ErasableUGraph "ErasableUGraph" concept. |
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338 | template <typename _Graph> |
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339 | class ListUEdgeSet : |
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340 | public ErasableUEdgeSetExtender< |
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341 | ClearableUEdgeSetExtender< |
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342 | ExtendableUEdgeSetExtender< |
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343 | MappableUEdgeSetExtender< |
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344 | IterableUGraphExtender< |
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345 | AlterableUEdgeSetExtender< |
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346 | UGraphExtender< |
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347 | ListEdgeSetBase<_Graph> > > > > > > > { |
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348 | |
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349 | public: |
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350 | |
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351 | typedef ErasableUEdgeSetExtender< |
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352 | ClearableUEdgeSetExtender< |
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353 | ExtendableUEdgeSetExtender< |
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354 | MappableUEdgeSetExtender< |
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355 | IterableUGraphExtender< |
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356 | AlterableUEdgeSetExtender< |
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357 | UGraphExtender< |
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358 | ListEdgeSetBase<_Graph> > > > > > > > Parent; |
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359 | |
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360 | typedef typename Parent::Node Node; |
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361 | typedef typename Parent::Edge Edge; |
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362 | |
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363 | typedef _Graph Graph; |
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364 | |
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365 | |
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366 | typedef typename Parent::NodesImplBase NodesImplBase; |
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367 | |
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368 | void eraseNode(const Node& node) { |
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369 | Edge edge; |
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370 | Parent::firstOut(edge, node); |
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371 | while (edge != INVALID ) { |
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372 | erase(edge); |
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373 | Parent::firstOut(edge, node); |
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374 | } |
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375 | |
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376 | } |
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377 | |
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378 | void clearNodes() { |
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379 | Parent::clear(); |
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380 | } |
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381 | |
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382 | class NodesImpl : public NodesImplBase { |
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383 | public: |
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384 | typedef NodesImplBase Parent; |
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385 | |
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386 | NodesImpl(const Graph& graph, ListUEdgeSet& edgeset) |
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387 | : Parent(graph), _edgeset(edgeset) {} |
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388 | |
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389 | virtual ~NodesImpl() {} |
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390 | |
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391 | protected: |
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392 | |
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393 | virtual void erase(const Node& node) { |
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394 | _edgeset.eraseNode(node); |
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395 | Parent::erase(node); |
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396 | } |
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397 | virtual void erase(const std::vector<Node>& nodes) { |
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398 | for (int i = 0; i < (int)nodes.size(); ++i) { |
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399 | _edgeset.eraseNode(nodes[i]); |
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400 | } |
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401 | Parent::erase(nodes); |
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402 | } |
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403 | virtual void clear() { |
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404 | _edgeset.clearNodes(); |
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405 | Parent::clear(); |
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406 | } |
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407 | |
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408 | private: |
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409 | ListUEdgeSet& _edgeset; |
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410 | }; |
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411 | |
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412 | NodesImpl nodes; |
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413 | |
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414 | public: |
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415 | |
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416 | /// \brief Constructor of the adaptor. |
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417 | /// |
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418 | /// Constructor of the adaptor. |
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419 | ListUEdgeSet(const Graph& graph) : nodes(graph, *this) { |
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420 | Parent::initalize(graph, nodes); |
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421 | } |
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422 | |
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423 | }; |
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424 | |
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425 | template <typename _Graph> |
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426 | class SmartEdgeSetBase { |
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427 | public: |
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428 | |
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429 | typedef _Graph Graph; |
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430 | typedef typename Graph::Node Node; |
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431 | typedef typename Graph::NodeIt NodeIt; |
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432 | |
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433 | protected: |
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434 | |
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435 | struct NodeT { |
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436 | int first_out, first_in; |
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437 | NodeT() : first_out(-1), first_in(-1) {} |
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438 | }; |
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439 | |
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440 | typedef typename Graph::template NodeMap<NodeT> NodesImplBase; |
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441 | |
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442 | NodesImplBase* nodes; |
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443 | |
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444 | struct EdgeT { |
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445 | Node source, target; |
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446 | int next_out, next_in; |
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447 | EdgeT() {} |
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448 | }; |
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449 | |
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450 | std::vector<EdgeT> edges; |
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451 | |
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452 | const Graph* graph; |
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453 | |
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454 | void initalize(const Graph& _graph, NodesImplBase& _nodes) { |
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455 | graph = &_graph; |
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456 | nodes = &_nodes; |
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457 | } |
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458 | |
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459 | public: |
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460 | |
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461 | class Edge { |
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462 | friend class SmartEdgeSetBase<Graph>; |
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463 | protected: |
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464 | Edge(int _id) : id(_id) {} |
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465 | int id; |
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466 | public: |
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467 | Edge() {} |
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468 | Edge(Invalid) : id(-1) {} |
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469 | bool operator==(const Edge& edge) const { return id == edge.id; } |
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470 | bool operator!=(const Edge& edge) const { return id != edge.id; } |
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471 | bool operator<(const Edge& edge) const { return id < edge.id; } |
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472 | }; |
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473 | |
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474 | SmartEdgeSetBase() {} |
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475 | |
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476 | Edge addEdge(const Node& source, const Node& target) { |
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477 | int n = edges.size(); |
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478 | edges.push_back(EdgeT()); |
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479 | edges[n].next_in = (*nodes)[target].first_in; |
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480 | (*nodes)[target].first_in = n; |
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481 | edges[n].next_out = (*nodes)[source].first_out; |
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482 | (*nodes)[source].first_out = n; |
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483 | edges[n].source = source; |
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484 | edges[n].target = target; |
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485 | return Edge(n); |
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486 | } |
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487 | |
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488 | void clear() { |
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489 | Node node; |
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490 | for (first(node); node != INVALID; next(node)) { |
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491 | (*nodes)[node].first_in = -1; |
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492 | (*nodes)[node].first_out = -1; |
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493 | } |
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494 | edges.clear(); |
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495 | } |
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496 | |
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497 | void first(Node& node) const { |
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498 | graph->first(node); |
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499 | } |
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500 | |
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501 | void next(Node& node) const { |
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502 | graph->next(node); |
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503 | } |
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504 | |
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505 | void first(Edge& edge) const { |
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506 | edge.id = edges.size() - 1; |
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507 | } |
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508 | |
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509 | void next(Edge& edge) const { |
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510 | --edge.id; |
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511 | } |
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512 | |
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513 | void firstOut(Edge& edge, const Node& node) const { |
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514 | edge.id = (*nodes)[node].first_out; |
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515 | } |
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516 | |
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517 | void nextOut(Edge& edge) const { |
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518 | edge.id = edges[edge.id].next_out; |
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519 | } |
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520 | |
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521 | void firstIn(Edge& edge, const Node& node) const { |
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522 | edge.id = (*nodes)[node].first_in; |
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523 | } |
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524 | |
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525 | void nextIn(Edge& edge) const { |
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526 | edge.id = edges[edge.id].next_in; |
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527 | } |
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528 | |
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529 | int id(const Node& node) const { return graph->id(node); } |
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530 | int id(const Edge& edge) const { return edge.id; } |
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531 | |
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532 | Node nodeFromId(int id) const { return graph->nodeFromId(id); } |
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533 | Edge edgeFromId(int id) const { return Edge(id); } |
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534 | |
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535 | int maxNodeId() const { return graph->maxNodeId(); }; |
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536 | int maxEdgeId() const { return edges.size() - 1; } |
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537 | |
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538 | Node source(const Edge& edge) const { return edges[edge.id].source;} |
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539 | Node target(const Edge& edge) const { return edges[edge.id].target;} |
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540 | |
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541 | template <typename _Value> |
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542 | class NodeMap : public Graph::template NodeMap<_Value> { |
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543 | public: |
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544 | typedef typename _Graph::template NodeMap<_Value> Parent; |
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545 | explicit NodeMap(const SmartEdgeSetBase<Graph>& edgeset) |
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546 | : Parent(*edgeset.graph) { } |
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547 | NodeMap(const SmartEdgeSetBase<Graph>& edgeset, const _Value& value) |
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548 | : Parent(*edgeset.graph, value) { } |
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549 | }; |
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550 | |
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551 | }; |
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552 | |
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553 | |
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554 | /// \ingroup semi_adaptors |
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555 | /// |
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556 | /// \brief Graph using a node set of another graph and an |
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557 | /// own edge set. |
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558 | /// |
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559 | /// This structure can be used to establish another graph over a node set |
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560 | /// of an existing one. The node iterator will go through the nodes of the |
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561 | /// original graph. |
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562 | /// |
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563 | /// \param _Graph The type of the graph which shares its node set with |
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564 | /// this class. Its interface must conform to the \ref concept::StaticGraph |
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565 | /// "StaticGraph" concept. |
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566 | /// |
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567 | /// In the edge extension and removing it conforms to the |
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568 | /// \ref concept::ExtendableGraph "ExtendableGraph" concept. |
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569 | template <typename _Graph> |
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570 | class SmartEdgeSet : |
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571 | public ClearableEdgeSetExtender< |
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572 | ExtendableEdgeSetExtender< |
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573 | MappableEdgeSetExtender< |
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574 | IterableGraphExtender< |
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575 | AlterableEdgeSetExtender< |
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576 | GraphExtender< |
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577 | SmartEdgeSetBase<_Graph> > > > > > > { |
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578 | |
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579 | public: |
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580 | |
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581 | typedef ClearableEdgeSetExtender< |
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582 | ExtendableEdgeSetExtender< |
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583 | MappableEdgeSetExtender< |
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584 | IterableGraphExtender< |
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585 | AlterableEdgeSetExtender< |
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586 | GraphExtender< |
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587 | SmartEdgeSetBase<_Graph> > > > > > > Parent; |
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588 | |
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589 | typedef typename Parent::Node Node; |
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590 | typedef typename Parent::Edge Edge; |
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591 | |
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592 | typedef _Graph Graph; |
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593 | |
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594 | class UnsupportedOperation : public LogicError { |
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595 | public: |
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596 | virtual const char* exceptionName() const { |
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597 | return "lemon::SmartEdgeSet::UnsupportedOperation"; |
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598 | } |
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599 | }; |
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600 | |
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601 | |
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602 | |
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603 | protected: |
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604 | |
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605 | typedef typename Parent::NodesImplBase NodesImplBase; |
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606 | |
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607 | void eraseNode(const Node&) { |
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608 | throw UnsupportedOperation(); |
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609 | } |
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610 | |
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611 | void clearNodes() { |
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612 | Parent::clear(); |
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613 | } |
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614 | |
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615 | class NodesImpl : public NodesImplBase { |
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616 | public: |
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617 | typedef NodesImplBase Parent; |
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618 | |
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619 | NodesImpl(const Graph& graph, SmartEdgeSet& edgeset) |
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620 | : Parent(graph), _edgeset(edgeset) {} |
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621 | |
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622 | virtual ~NodesImpl() {} |
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623 | |
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624 | protected: |
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625 | |
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626 | virtual void erase(const Node& node) { |
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627 | _edgeset.eraseNode(node); |
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628 | Parent::erase(node); |
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629 | } |
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630 | virtual void erase(const std::vector<Node>& nodes) { |
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631 | for (int i = 0; i < (int)nodes.size(); ++i) { |
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632 | _edgeset.eraseNode(nodes[i]); |
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633 | } |
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634 | Parent::erase(nodes); |
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635 | } |
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636 | virtual void clear() { |
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637 | _edgeset.clearNodes(); |
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638 | Parent::clear(); |
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639 | } |
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640 | |
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641 | private: |
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642 | SmartEdgeSet& _edgeset; |
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643 | }; |
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644 | |
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645 | NodesImpl nodes; |
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646 | |
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647 | public: |
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648 | |
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649 | /// \brief Constructor of the adaptor. |
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650 | /// |
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651 | /// Constructor of the adaptor. |
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652 | SmartEdgeSet(const Graph& graph) : nodes(graph, *this) { |
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653 | Parent::initalize(graph, nodes); |
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654 | } |
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655 | |
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656 | }; |
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657 | |
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658 | /// \ingroup semi_adaptors |
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659 | /// |
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660 | /// \brief Graph using a node set of another graph and an |
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661 | /// own uedge set. |
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662 | /// |
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663 | /// This structure can be used to establish another graph over a node set |
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664 | /// of an existing one. The node iterator will go through the nodes of the |
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665 | /// original graph. |
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666 | /// |
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667 | /// \param _Graph The type of the graph which shares its node set with |
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668 | /// this class. Its interface must conform to the \ref concept::StaticGraph |
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669 | /// "StaticGraph" concept. |
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670 | /// |
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671 | /// In the edge extension and removing it conforms to the |
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672 | /// \ref concept::ExtendableUGraph "ExtendableUGraph" concept. |
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673 | template <typename _Graph> |
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674 | class SmartUEdgeSet : |
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675 | public ClearableUEdgeSetExtender< |
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676 | ExtendableUEdgeSetExtender< |
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677 | MappableUEdgeSetExtender< |
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678 | IterableUGraphExtender< |
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679 | AlterableUEdgeSetExtender< |
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680 | UGraphExtender< |
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681 | SmartEdgeSetBase<_Graph> > > > > > > { |
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682 | |
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683 | public: |
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684 | |
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685 | typedef ClearableUEdgeSetExtender< |
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686 | ExtendableUEdgeSetExtender< |
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687 | MappableUEdgeSetExtender< |
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688 | IterableUGraphExtender< |
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689 | AlterableUEdgeSetExtender< |
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690 | UGraphExtender< |
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691 | SmartEdgeSetBase<_Graph> > > > > > > Parent; |
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692 | |
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693 | typedef typename Parent::Node Node; |
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694 | typedef typename Parent::Edge Edge; |
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695 | |
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696 | typedef _Graph Graph; |
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697 | |
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698 | class UnsupportedOperation : public LogicError { |
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699 | public: |
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700 | virtual const char* exceptionName() const { |
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701 | return "lemon::SmartUEdgeSet::UnsupportedOperation"; |
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702 | } |
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703 | }; |
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704 | |
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705 | protected: |
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706 | |
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707 | typedef typename Parent::NodesImplBase NodesImplBase; |
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708 | |
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709 | void eraseNode(const Node&) { |
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710 | throw UnsupportedOperation(); |
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711 | } |
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712 | |
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713 | void clearNodes() { |
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714 | Parent::clear(); |
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715 | } |
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716 | |
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717 | class NodesImpl : public NodesImplBase { |
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718 | public: |
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719 | typedef NodesImplBase Parent; |
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720 | |
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721 | NodesImpl(const Graph& graph, SmartUEdgeSet& edgeset) |
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722 | : Parent(graph), _edgeset(edgeset) {} |
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723 | |
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724 | virtual ~NodesImpl() {} |
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725 | |
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726 | protected: |
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727 | |
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728 | virtual void erase(const Node& node) { |
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729 | _edgeset.eraseNode(node); |
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730 | Parent::erase(node); |
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731 | } |
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732 | virtual void erase(const std::vector<Node>& nodes) { |
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733 | for (int i = 0; i < (int)nodes.size(); ++i) { |
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734 | _edgeset.eraseNode(nodes[i]); |
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735 | } |
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736 | Parent::erase(nodes); |
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737 | } |
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738 | virtual void clear() { |
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739 | _edgeset.clearNodes(); |
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740 | Parent::clear(); |
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741 | } |
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742 | |
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743 | private: |
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744 | SmartUEdgeSet& _edgeset; |
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745 | }; |
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746 | |
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747 | NodesImpl nodes; |
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748 | |
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749 | public: |
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750 | |
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751 | /// \brief Constructor of the adaptor. |
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752 | /// |
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753 | /// Constructor of the adaptor. |
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754 | SmartUEdgeSet(const Graph& graph) : nodes(graph, *this) { |
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755 | Parent::initalize(graph, nodes); |
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756 | } |
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757 | |
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758 | }; |
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759 | |
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760 | } |
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761 | |
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762 | #endif |
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