1 | /* -*- C++ -*- |
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2 | * lemon/iterable_maps.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 Research Group on Combinatorial Optimization, 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 | #include <lemon/traits.h> |
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18 | #include <lemon/invalid.h> |
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19 | #include <vector> |
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20 | #include <limits> |
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21 | |
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22 | ///\ingroup maps |
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23 | ///\file |
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24 | ///\brief Maps that makes it possible to iterate through the keys having |
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25 | ///a certain value |
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26 | /// |
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27 | /// |
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28 | |
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29 | |
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30 | namespace lemon { |
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31 | |
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32 | ///\todo This is only a static map! |
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33 | ///\todo Undocumented. |
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34 | ///\param BaseMap is an interger map. |
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35 | template<class BaseMap> |
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36 | class IterableBoolMap |
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37 | { |
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38 | public: |
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39 | |
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40 | typedef typename BaseMap::Key Key; |
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41 | typedef bool Value; |
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42 | |
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43 | friend class RefType; |
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44 | friend class FalseIt; |
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45 | friend class TrueIt; |
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46 | |
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47 | private: |
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48 | BaseMap &cref; |
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49 | std::vector<Key> vals; |
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50 | int sep; //map[e] is true <=> cref[e]>=sep |
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51 | |
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52 | bool isTrue(Key k) {return cref[k]>=sep;} |
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53 | void swap(Key k, int s) |
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54 | { |
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55 | int ti=cref[k]; |
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56 | Key tk=vals[s]; |
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57 | cref[k]=s; vals[s]=k; |
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58 | cref[tk]=ti; vals[ti]=tk; |
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59 | } |
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60 | |
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61 | void setTrue(Key k) { if(cref[k]<sep) { sep--; swap(k,sep); } } |
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62 | void setFalse(Key k) { if(cref[k]>=sep) { swap(k,sep); sep++; } } |
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63 | |
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64 | public: |
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65 | ///\e |
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66 | void set(Key k,Value v) { if(v) setTrue(k); else setFalse(k);} |
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67 | ///Number of \c true items in the map |
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68 | |
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69 | ///Returns the number of \c true values in the map. |
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70 | ///This is a constant time operation. |
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71 | int countTrue() { return vals.size()-sep; } |
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72 | ///Number of \c false items in the map |
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73 | |
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74 | ///Returns the number of \c false values in the map. |
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75 | ///This is a constant time operation. |
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76 | int countFalse() { return sep; } |
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77 | |
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78 | ///\e |
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79 | class FalseIt |
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80 | { |
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81 | const IterableBoolMap &M; |
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82 | int i; |
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83 | public: |
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84 | ///\e |
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85 | explicit FalseIt(const IterableBoolMap &_M) : M(_M), i(0) { } |
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86 | ///\e |
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87 | FalseIt(Invalid) |
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88 | : M(*((IterableBoolMap*)(0))), i(std::numeric_limits<int>::max()) { } |
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89 | ///\e |
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90 | FalseIt &operator++() { ++i; return *this;} |
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91 | ///\e |
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92 | operator Key() const { return i<M.sep ? M.vals[i] : INVALID; } |
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93 | ///\e |
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94 | bool operator !=(Invalid) const { return i<M.sep; } |
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95 | ///\e |
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96 | bool operator ==(Invalid) const { return i>=M.sep; } |
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97 | }; |
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98 | ///\e |
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99 | class TrueIt |
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100 | { |
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101 | const IterableBoolMap &M; |
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102 | int i; |
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103 | public: |
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104 | ///\e |
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105 | explicit TrueIt(const IterableBoolMap &_M) |
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106 | : M(_M), i(M.vals.size()-1) { } |
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107 | ///\e |
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108 | TrueIt(Invalid) |
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109 | : M(*((IterableBoolMap*)(0))), i(-1) { } |
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110 | ///\e |
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111 | TrueIt &operator++() { --i; return *this;} |
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112 | ///\e |
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113 | operator Key() const { return i>=M.sep ? M.vals[i] : INVALID; } |
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114 | ///\e |
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115 | bool operator !=(Invalid) const { return i>=M.sep; } |
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116 | ///\e |
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117 | bool operator ==(Invalid) const { return i<M.sep; } |
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118 | }; |
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119 | |
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120 | ///\e |
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121 | class RefType |
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122 | { |
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123 | IterableBoolMap &M; |
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124 | Key k; |
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125 | public: |
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126 | RefType(IterableBoolMap &_M,Key _k) : M(_M), k(_k) { } |
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127 | |
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128 | operator Value() const |
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129 | { |
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130 | return M.isTrue(k); |
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131 | } |
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132 | Value operator = (Value v) const { M.set(k,v); return v; } |
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133 | }; |
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134 | |
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135 | public: |
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136 | explicit IterableBoolMap(BaseMap &_m,bool init=false) : cref(_m) |
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137 | { |
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138 | sep=0; |
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139 | for(typename BaseMap::MapIt i(cref);i!=INVALID; ++i) { |
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140 | i.set(sep); |
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141 | vals.push_back(i); |
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142 | sep++; |
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143 | } |
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144 | if(init) sep=0; |
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145 | } |
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146 | ///\e |
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147 | RefType operator[] (Key k) { return RefType(*this,k);} |
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148 | ///\e |
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149 | Value operator[] (Key k) const { return isTrue(k);} |
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150 | }; |
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151 | |
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152 | |
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153 | |
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154 | |
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155 | /// \addtogroup graph_maps |
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156 | /// @{ |
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157 | |
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158 | /// Iterable bool NodeMap |
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159 | |
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160 | /// This map can be used in the same way |
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161 | /// as the standard NodeMap<bool> of the |
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162 | /// given graph \c Graph. |
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163 | /// In addition, this class provides two iterators called \ref TrueIt |
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164 | /// and \ref FalseIt to iterate through the "true" and "false" nodes. |
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165 | template <class Graph> |
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166 | class IterableBoolNodeMap |
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167 | { |
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168 | typename Graph::template NodeMap<int> cmap; |
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169 | |
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170 | public: |
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171 | |
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172 | typedef IterableBoolMap<typename Graph::template NodeMap<int> > BimType; |
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173 | BimType imap; |
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174 | |
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175 | |
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176 | typedef typename BimType::RefType RefType; |
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177 | typedef typename Graph::Node Key; |
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178 | typedef bool Value; |
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179 | |
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180 | friend class FalseIt; |
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181 | friend class TrueIt; |
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182 | |
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183 | ///\e |
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184 | IterableBoolNodeMap(const Graph &g,bool b=false) : cmap(g), imap(cmap,b) {} |
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185 | |
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186 | public: |
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187 | ///\e |
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188 | void set(Key k, bool v) { imap.set(k,v);} |
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189 | ///Number of \c true items in the map |
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190 | |
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191 | ///Returns the number of \c true values in the map. |
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192 | ///This is a constant time operation. |
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193 | int countTrue() { return imap.countTrue(); } |
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194 | ///Number of \c false items in the map |
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195 | |
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196 | ///Returns the number of \c false values in the map. |
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197 | ///This is a constant time operation. |
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198 | int countFalse() { return imap.countFalse(); } |
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199 | #ifdef DOXYGEN |
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200 | ///\e |
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201 | bool &operator[](Key k) { return imap[k];} |
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202 | ///\e |
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203 | const bool &operator[](Key k) const { return imap[k];} |
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204 | #else |
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205 | Value operator[](Key k) const { return imap[k];} |
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206 | RefType operator[](Key k) { return imap[k];} |
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207 | #endif |
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208 | ///Iterator for the "false" nodes |
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209 | class FalseIt : public BimType::FalseIt |
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210 | { |
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211 | public: |
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212 | ///\e |
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213 | explicit FalseIt(const IterableBoolNodeMap &m) |
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214 | : BimType::FalseIt(m.imap) { } |
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215 | ///\e |
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216 | FalseIt(Invalid i) : BimType::FalseIt(i) { } |
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217 | }; |
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218 | ///Iterator for the "true" nodes |
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219 | class TrueIt : public BimType::TrueIt |
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220 | { |
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221 | public: |
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222 | ///\e |
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223 | explicit TrueIt(const IterableBoolNodeMap &m) |
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224 | : BimType::TrueIt(m.imap) { } |
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225 | ///\e |
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226 | TrueIt(Invalid i) : BimType::TrueIt(i) { } |
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227 | }; |
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228 | }; |
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229 | |
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230 | /// Iterable bool UpperNodeMap |
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231 | |
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232 | /// This map can be used in the same way |
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233 | /// as the standard UpperNodeMap<bool> of the |
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234 | /// given graph \c Graph. |
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235 | /// In addition, this class provides two iterators called \ref TrueIt |
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236 | /// and \ref FalseIt to iterate through the "true" and "false" nodes. |
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237 | template <class Graph> |
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238 | class IterableBoolUpperNodeMap |
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239 | { |
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240 | typename Graph::template UpperNodeMap<int> cmap; |
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241 | |
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242 | public: |
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243 | |
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244 | typedef IterableBoolMap<typename Graph::template UpperNodeMap<int> > BimType; |
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245 | BimType imap; |
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246 | |
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247 | |
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248 | typedef typename BimType::RefType RefType; |
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249 | typedef typename Graph::Node Key; |
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250 | typedef bool Value; |
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251 | |
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252 | friend class FalseIt; |
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253 | friend class TrueIt; |
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254 | |
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255 | ///\e |
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256 | IterableBoolUpperNodeMap(const Graph &g,bool b=false) : cmap(g), imap(cmap,b) {} |
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257 | |
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258 | public: |
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259 | ///\e |
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260 | void set(Key k, bool v) { imap.set(k,v);} |
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261 | ///Number of \c true items in the map |
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262 | |
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263 | ///Returns the number of \c true values in the map. |
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264 | ///This is a constant time operation. |
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265 | int countTrue() { return imap.countTrue(); } |
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266 | ///Number of \c false items in the map |
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267 | |
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268 | ///Returns the number of \c false values in the map. |
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269 | ///This is a constant time operation. |
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270 | int countFalse() { return imap.countFalse(); } |
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271 | #ifdef DOXYGEN |
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272 | ///\e |
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273 | bool &operator[](Key k) { return imap[k];} |
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274 | ///\e |
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275 | const bool &operator[](Key k) const { return imap[k];} |
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276 | #else |
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277 | Value operator[](Key k) const { return imap[k];} |
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278 | RefType operator[](Key k) { return imap[k];} |
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279 | #endif |
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280 | ///Iterator for the "false" nodes |
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281 | class FalseIt : public BimType::FalseIt |
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282 | { |
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283 | public: |
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284 | ///\e |
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285 | explicit FalseIt(const IterableBoolUpperNodeMap &m) |
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286 | : BimType::FalseIt(m.imap) { } |
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287 | ///\e |
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288 | FalseIt(Invalid i) : BimType::FalseIt(i) { } |
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289 | }; |
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290 | ///Iterator for the "true" nodes |
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291 | class TrueIt : public BimType::TrueIt |
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292 | { |
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293 | public: |
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294 | ///\e |
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295 | explicit TrueIt(const IterableBoolUpperNodeMap &m) |
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296 | : BimType::TrueIt(m.imap) { } |
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297 | ///\e |
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298 | TrueIt(Invalid i) : BimType::TrueIt(i) { } |
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299 | }; |
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300 | }; |
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301 | |
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302 | /// Iterable bool LowerNodeMap |
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303 | |
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304 | /// This map can be used in the same way |
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305 | /// as the standard LowerNodeMap<bool> of the |
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306 | /// given graph \c Graph. |
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307 | /// In addition, this class provides two iterators called \ref TrueIt |
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308 | /// and \ref FalseIt to iterate through the "true" and "false" nodes. |
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309 | template <class Graph> |
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310 | class IterableBoolLowerNodeMap |
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311 | { |
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312 | typename Graph::template LowerNodeMap<int> cmap; |
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313 | |
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314 | public: |
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315 | |
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316 | typedef IterableBoolMap<typename Graph::template LowerNodeMap<int> > BimType; |
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317 | BimType imap; |
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318 | |
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319 | |
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320 | typedef typename BimType::RefType RefType; |
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321 | typedef typename Graph::Node Key; |
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322 | typedef bool Value; |
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323 | |
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324 | friend class FalseIt; |
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325 | friend class TrueIt; |
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326 | |
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327 | ///\e |
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328 | IterableBoolLowerNodeMap(const Graph &g,bool b=false) : cmap(g), imap(cmap,b) {} |
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329 | |
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330 | public: |
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331 | ///\e |
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332 | void set(Key k, bool v) { imap.set(k,v);} |
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333 | ///Number of \c true items in the map |
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334 | |
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335 | ///Returns the number of \c true values in the map. |
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336 | ///This is a constant time operation. |
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337 | int countTrue() { return imap.countTrue(); } |
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338 | ///Number of \c false items in the map |
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339 | |
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340 | ///Returns the number of \c false values in the map. |
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341 | ///This is a constant time operation. |
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342 | int countFalse() { return imap.countFalse(); } |
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343 | #ifdef DOXYGEN |
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344 | ///\e |
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345 | bool &operator[](Key k) { return imap[k];} |
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346 | ///\e |
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347 | const bool &operator[](Key k) const { return imap[k];} |
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348 | #else |
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349 | Value operator[](Key k) const { return imap[k];} |
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350 | RefType operator[](Key k) { return imap[k];} |
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351 | #endif |
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352 | ///Iterator for the "false" nodes |
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353 | class FalseIt : public BimType::FalseIt |
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354 | { |
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355 | public: |
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356 | ///\e |
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357 | explicit FalseIt(const IterableBoolLowerNodeMap &m) |
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358 | : BimType::FalseIt(m.imap) { } |
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359 | ///\e |
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360 | FalseIt(Invalid i) : BimType::FalseIt(i) { } |
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361 | }; |
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362 | ///Iterator for the "true" nodes |
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363 | class TrueIt : public BimType::TrueIt |
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364 | { |
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365 | public: |
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366 | ///\e |
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367 | explicit TrueIt(const IterableBoolLowerNodeMap &m) |
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368 | : BimType::TrueIt(m.imap) { } |
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369 | ///\e |
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370 | TrueIt(Invalid i) : BimType::TrueIt(i) { } |
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371 | }; |
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372 | }; |
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373 | |
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374 | /// Iterable bool EdgeMap |
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375 | |
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376 | /// This map can be used in the same way |
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377 | /// as the standard EdgeMap<bool> of the |
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378 | /// given graph \c Graph. |
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379 | /// In addition, this class provides two iterators called \ref TrueIt |
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380 | /// and \ref FalseIt to iterate through the "true" and "false" edges. |
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381 | template <class Graph> |
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382 | class IterableBoolEdgeMap |
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383 | { |
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384 | typename Graph::template EdgeMap<int> cmap; |
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385 | |
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386 | public: |
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387 | |
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388 | typedef IterableBoolMap<typename Graph::template EdgeMap<int> > BimType; |
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389 | BimType imap; |
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390 | |
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391 | |
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392 | typedef typename BimType::RefType RefType; |
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393 | typedef typename Graph::Edge Key; |
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394 | typedef bool Value; |
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395 | |
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396 | friend class FalseIt; |
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397 | friend class TrueIt; |
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398 | |
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399 | ///\e |
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400 | IterableBoolEdgeMap(const Graph &g,bool b=false) : cmap(g), imap(cmap,b) {} |
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401 | |
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402 | public: |
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403 | ///\e |
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404 | void set(Key k, bool v) { imap.set(k,v);} |
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405 | ///Returns the number of \c true values in the map. |
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406 | ///This is a constant time operation. |
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407 | int countTrue() { return imap.countTrue(); } |
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408 | ///Number of \c false items in the map |
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409 | |
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410 | ///Returns the number of \c false values in the map. |
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411 | ///This is a constant time operation. |
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412 | int countFalse() { return imap.countFalse(); } |
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413 | #ifdef DOXYGEN |
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414 | ///\e |
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415 | bool &operator[](Key k) { return imap[k];} |
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416 | ///\e |
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417 | const bool &operator[](Key k) const { return imap[k];} |
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418 | #else |
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419 | Value operator[](Key k) const { return imap[k];} |
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420 | RefType operator[](Key k) { return imap[k];} |
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421 | #endif |
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422 | ///Iterator for the "false" edges |
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423 | class FalseIt : public BimType::FalseIt |
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424 | { |
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425 | public: |
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426 | ///\e |
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427 | explicit FalseIt(const IterableBoolEdgeMap &m) |
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428 | : BimType::FalseIt(m.imap) { } |
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429 | ///\e |
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430 | FalseIt(Invalid i) : BimType::FalseIt(i) { } |
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431 | }; |
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432 | ///Iterator for the "true" edges |
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433 | class TrueIt : public BimType::TrueIt |
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434 | { |
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435 | public: |
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436 | ///\e |
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437 | explicit TrueIt(const IterableBoolEdgeMap &m) |
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438 | : BimType::TrueIt(m.imap) { } |
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439 | ///\e |
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440 | TrueIt(Invalid i) : BimType::TrueIt(i) { } |
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441 | }; |
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442 | }; |
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443 | |
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444 | |
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445 | namespace _iterable_maps_bits { |
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446 | template <typename Item> |
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447 | struct IterableIntMapNode { |
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448 | IterableIntMapNode() {} |
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449 | IterableIntMapNode(int _value) : value(_value) {} |
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450 | Item prev, next; |
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451 | int value; |
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452 | }; |
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453 | } |
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454 | |
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455 | ///\ingroup maps |
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456 | /// |
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457 | /// \brief Dynamic iterable integer map. |
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458 | /// |
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459 | /// This class provides a special graph map type which can store |
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460 | /// for each graph item(node, edge, etc.) an integer value. For each |
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461 | /// non negative value it is possible to iterate on the keys which |
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462 | /// mapped to the given value. |
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463 | /// |
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464 | /// \param _Graph The graph type. |
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465 | /// \param _Item One of the graph's item type, the key of the map. |
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466 | template <typename _Graph, typename _Item> |
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467 | class IterableIntMap : protected ItemSetTraits<_Graph, _Item> |
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468 | ::template Map<_iterable_maps_bits::IterableIntMapNode<_Item> >::Parent { |
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469 | public: |
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470 | typedef typename ItemSetTraits<_Graph, _Item> |
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471 | ::template Map<_iterable_maps_bits::IterableIntMapNode<_Item> > |
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472 | ::Parent Parent; |
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473 | |
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474 | /// The key type |
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475 | typedef _Item Key; |
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476 | /// The value type |
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477 | typedef int Value; |
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478 | /// The graph type |
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479 | typedef _Graph Graph; |
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480 | |
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481 | /// \brief Constructor of the Map. |
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482 | /// |
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483 | /// Constructor of the Map. It set all values -1. |
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484 | explicit IterableIntMap(const Graph& graph) |
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485 | : Parent(graph, _iterable_maps_bits::IterableIntMapNode<_Item>(-1)) {} |
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486 | |
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487 | /// \brief Constructor of the Map with a given value. |
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488 | /// |
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489 | /// Constructor of the Map with a given value. |
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490 | explicit IterableIntMap(const Graph& graph, int value) |
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491 | : Parent(graph, _iterable_maps_bits::IterableIntMapNode<_Item>(value)) { |
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492 | if (value >= 0) { |
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493 | for (typename Parent::ItemIt it(*this); it != INVALID; ++it) { |
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494 | lace(it); |
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495 | } |
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496 | } |
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497 | } |
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498 | |
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499 | private: |
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500 | |
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501 | void unlace(const Key& key) { |
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502 | typename Parent::Value& node = Parent::operator[](key); |
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503 | if (node.value < 0) return; |
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504 | if (node.prev != INVALID) { |
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505 | Parent::operator[](node.prev).next = node.next; |
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506 | } else { |
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507 | first[node.value] = node.next; |
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508 | } |
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509 | if (node.next != INVALID) { |
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510 | Parent::operator[](node.next).prev = node.prev; |
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511 | } |
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512 | while (!first.empty() && first.back() == INVALID) { |
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513 | first.pop_back(); |
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514 | } |
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515 | } |
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516 | |
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517 | void lace(const Key& key) { |
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518 | typename Parent::Value& node = Parent::operator[](key); |
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519 | if (node.value < 0) return; |
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520 | if (node.value >= (int)first.size()) { |
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521 | first.resize(node.value + 1, INVALID); |
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522 | } |
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523 | node.prev = INVALID; |
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524 | node.next = first[node.value]; |
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525 | if (node.next != INVALID) { |
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526 | Parent::operator[](node.next).prev = key; |
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527 | } |
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528 | first[node.value] = key; |
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529 | } |
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530 | |
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531 | public: |
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532 | |
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533 | /// Indicates that the map if reference map. |
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534 | typedef True ReferenceMapTag; |
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535 | |
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536 | /// \brief Refernce to the value of the map. |
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537 | /// |
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538 | /// This class is near to similar to the int type. It can |
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539 | /// be converted to int and it has the same operators. |
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540 | class Reference { |
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541 | friend class IterableIntMap; |
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542 | private: |
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543 | Reference(IterableIntMap& map, const Key& key) |
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544 | : _key(key), _map(map) {} |
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545 | public: |
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546 | |
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547 | Reference& operator=(const Reference& value) { |
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548 | _map.set(_key, (const int&)value); |
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549 | return *this; |
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550 | } |
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551 | |
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552 | operator const int&() const { |
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553 | return static_cast<const IterableIntMap&>(_map)[_key]; |
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554 | } |
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555 | |
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556 | Reference& operator=(int value) { |
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557 | _map.set(_key, value); |
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558 | return *this; |
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559 | } |
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560 | Reference& operator++() { |
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561 | _map.set(_key, _map[_key] + 1); |
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562 | return *this; |
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563 | } |
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564 | int operator++(int) { |
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565 | int value = _map[_key]; |
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566 | _map.set(_key, value + 1); |
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567 | return value; |
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568 | } |
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569 | Reference& operator--() { |
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570 | _map.set(_key, _map[_key] - 1); |
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571 | return *this; |
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572 | } |
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573 | int operator--(int) { |
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574 | int value = _map[_key]; |
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575 | _map.set(_key, value - 1); |
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576 | return value; |
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577 | } |
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578 | Reference& operator+=(int value) { |
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579 | _map.set(_key, _map[_key] + value); |
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580 | return *this; |
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581 | } |
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582 | Reference& operator-=(int value) { |
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583 | _map.set(_key, _map[_key] - value); |
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584 | return *this; |
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585 | } |
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586 | Reference& operator*=(int value) { |
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587 | _map.set(_key, _map[_key] * value); |
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588 | return *this; |
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589 | } |
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590 | Reference& operator/=(int value) { |
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591 | _map.set(_key, _map[_key] / value); |
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592 | return *this; |
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593 | } |
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594 | Reference& operator%=(int value) { |
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595 | _map.set(_key, _map[_key] % value); |
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596 | return *this; |
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597 | } |
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598 | Reference& operator&=(int value) { |
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599 | _map.set(_key, _map[_key] & value); |
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600 | return *this; |
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601 | } |
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602 | Reference& operator|=(int value) { |
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603 | _map.set(_key, _map[_key] | value); |
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604 | return *this; |
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605 | } |
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606 | Reference& operator^=(int value) { |
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607 | _map.set(_key, _map[_key] ^ value); |
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608 | return *this; |
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609 | } |
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610 | Reference& operator<<=(int value) { |
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611 | _map.set(_key, _map[_key] << value); |
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612 | return *this; |
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613 | } |
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614 | Reference& operator>>=(int value) { |
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615 | _map.set(_key, _map[_key] >> value); |
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616 | return *this; |
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617 | } |
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618 | |
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619 | private: |
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620 | Key _key; |
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621 | IterableIntMap& _map; |
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622 | }; |
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623 | |
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624 | /// The const reference type. |
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625 | typedef const Value& ConstReference; |
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626 | |
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627 | /// \brief Gives back the maximal value plus one. |
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628 | /// |
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629 | /// Gives back the maximal value plus one. |
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630 | int size() const { |
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631 | return (int)first.size(); |
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632 | } |
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633 | |
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634 | /// \brief Set operation of the map. |
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635 | /// |
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636 | /// Set operation of the map. |
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637 | void set(const Key& key, const Value& value) { |
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638 | unlace(key); |
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639 | Parent::operator[](key).value = value; |
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640 | lace(key); |
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641 | } |
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642 | |
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643 | /// \brief Const subscript operator of the map. |
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644 | /// |
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645 | /// Const subscript operator of the map. |
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646 | const Value& operator[](const Key& key) const { |
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647 | return Parent::operator[](key).value; |
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648 | } |
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649 | |
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650 | /// \brief Subscript operator of the map. |
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651 | /// |
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652 | /// Subscript operator of the map. |
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653 | Reference operator[](const Key& key) { |
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654 | return Reference(*this, key); |
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655 | } |
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656 | |
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657 | /// \brief Iterator for the keys with the same value. |
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658 | /// |
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659 | /// Iterator for the keys with the same value. It works |
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660 | /// like a graph item iterator in the map, it can be converted |
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661 | /// the item type of the map, incremented with \c ++ operator, and |
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662 | /// if the iterator leave the last valid item it will be equal to |
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663 | /// \c INVALID. |
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664 | class ItemIt : public _Item { |
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665 | public: |
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666 | typedef _Item Parent; |
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667 | |
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668 | /// \brief Invalid constructor \& conversion. |
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669 | /// |
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670 | /// This constructor initializes the item to be invalid. |
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671 | /// \sa Invalid for more details. |
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672 | ItemIt(Invalid) : Parent(INVALID), _map(0) {} |
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673 | |
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674 | /// \brief Creates an iterator with a value. |
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675 | /// |
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676 | /// Creates an iterator with a value. It iterates on the |
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677 | /// keys which have the given value. |
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678 | /// \param map The IterableIntMap |
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679 | /// \param value The value |
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680 | ItemIt(const IterableIntMap& map, int value) : _map(&map) { |
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681 | if (value < 0 || value >= (int)_map->first.size()) { |
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682 | Parent::operator=(INVALID); |
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683 | } else { |
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684 | Parent::operator=(_map->first[value]); |
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685 | } |
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686 | } |
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687 | |
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688 | /// \brief Increment operator. |
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689 | /// |
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690 | /// Increment Operator. |
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691 | ItemIt& operator++() { |
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692 | Parent::operator=(_map->IterableIntMap::Parent:: |
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693 | operator[](static_cast<Parent&>(*this)).next); |
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694 | return *this; |
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695 | } |
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696 | |
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697 | |
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698 | private: |
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699 | const IterableIntMap* _map; |
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700 | }; |
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701 | |
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702 | protected: |
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703 | |
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704 | virtual void erase(const Key& key) { |
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705 | unlace(key); |
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706 | Parent::erase(key); |
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707 | } |
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708 | |
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709 | virtual void clear() { |
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710 | first.clear(); |
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711 | Parent::clear(); |
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712 | } |
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713 | |
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714 | private: |
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715 | std::vector<_Item> first; |
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716 | }; |
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717 | |
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718 | /// @} |
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719 | } |
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