1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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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) 2003-2010 |
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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 | #include <lemon/concepts/digraph.h> |
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20 | #include <lemon/list_graph.h> |
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21 | #include <lemon/smart_graph.h> |
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22 | #include <lemon/static_graph.h> |
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23 | #include <lemon/full_graph.h> |
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24 | |
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25 | #include "test_tools.h" |
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26 | #include "graph_test.h" |
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27 | |
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28 | using namespace lemon; |
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29 | using namespace lemon::concepts; |
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30 | |
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31 | template <class Digraph> |
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32 | void checkDigraphBuild() { |
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33 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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34 | Digraph G; |
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35 | |
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36 | checkGraphNodeList(G, 0); |
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37 | checkGraphArcList(G, 0); |
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38 | |
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39 | G.reserveNode(3); |
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40 | G.reserveArc(4); |
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41 | |
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42 | Node |
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43 | n1 = G.addNode(), |
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44 | n2 = G.addNode(), |
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45 | n3 = G.addNode(); |
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46 | checkGraphNodeList(G, 3); |
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47 | checkGraphArcList(G, 0); |
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48 | |
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49 | Arc a1 = G.addArc(n1, n2); |
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50 | check(G.source(a1) == n1 && G.target(a1) == n2, "Wrong arc"); |
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51 | checkGraphNodeList(G, 3); |
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52 | checkGraphArcList(G, 1); |
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53 | |
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54 | checkGraphOutArcList(G, n1, 1); |
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55 | checkGraphOutArcList(G, n2, 0); |
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56 | checkGraphOutArcList(G, n3, 0); |
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57 | |
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58 | checkGraphInArcList(G, n1, 0); |
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59 | checkGraphInArcList(G, n2, 1); |
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60 | checkGraphInArcList(G, n3, 0); |
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61 | |
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62 | checkGraphConArcList(G, 1); |
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63 | |
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64 | Arc a2 = G.addArc(n2, n1), |
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65 | a3 = G.addArc(n2, n3), |
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66 | a4 = G.addArc(n2, n3); |
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67 | ignore_unused_variable_warning(a2,a3,a4); |
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68 | |
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69 | checkGraphNodeList(G, 3); |
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70 | checkGraphArcList(G, 4); |
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71 | |
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72 | checkGraphOutArcList(G, n1, 1); |
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73 | checkGraphOutArcList(G, n2, 3); |
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74 | checkGraphOutArcList(G, n3, 0); |
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75 | |
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76 | checkGraphInArcList(G, n1, 1); |
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77 | checkGraphInArcList(G, n2, 1); |
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78 | checkGraphInArcList(G, n3, 2); |
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79 | |
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80 | checkGraphConArcList(G, 4); |
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81 | |
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82 | checkNodeIds(G); |
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83 | checkArcIds(G); |
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84 | checkGraphNodeMap(G); |
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85 | checkGraphArcMap(G); |
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86 | } |
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87 | |
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88 | template <class Digraph> |
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89 | void checkDigraphSplit() { |
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90 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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91 | |
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92 | Digraph G; |
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93 | Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode(); |
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94 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1), |
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95 | a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3); |
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96 | ignore_unused_variable_warning(a1,a2,a3,a4); |
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97 | |
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98 | Node n4 = G.split(n2); |
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99 | |
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100 | check(G.target(OutArcIt(G, n2)) == n4 && |
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101 | G.source(InArcIt(G, n4)) == n2, |
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102 | "Wrong split."); |
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103 | |
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104 | checkGraphNodeList(G, 4); |
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105 | checkGraphArcList(G, 5); |
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106 | |
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107 | checkGraphOutArcList(G, n1, 1); |
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108 | checkGraphOutArcList(G, n2, 1); |
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109 | checkGraphOutArcList(G, n3, 0); |
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110 | checkGraphOutArcList(G, n4, 3); |
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111 | |
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112 | checkGraphInArcList(G, n1, 1); |
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113 | checkGraphInArcList(G, n2, 1); |
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114 | checkGraphInArcList(G, n3, 2); |
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115 | checkGraphInArcList(G, n4, 1); |
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116 | |
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117 | checkGraphConArcList(G, 5); |
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118 | } |
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119 | |
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120 | template <class Digraph> |
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121 | void checkDigraphAlter() { |
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122 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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123 | |
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124 | Digraph G; |
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125 | Node n1 = G.addNode(), n2 = G.addNode(), |
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126 | n3 = G.addNode(), n4 = G.addNode(); |
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127 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1), |
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128 | a3 = G.addArc(n4, n3), a4 = G.addArc(n4, n3), |
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129 | a5 = G.addArc(n2, n4); |
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130 | ignore_unused_variable_warning(a1,a2,a3,a5); |
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131 | |
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132 | checkGraphNodeList(G, 4); |
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133 | checkGraphArcList(G, 5); |
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134 | |
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135 | // Check changeSource() and changeTarget() |
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136 | G.changeTarget(a4, n1); |
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137 | |
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138 | checkGraphNodeList(G, 4); |
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139 | checkGraphArcList(G, 5); |
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140 | |
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141 | checkGraphOutArcList(G, n1, 1); |
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142 | checkGraphOutArcList(G, n2, 1); |
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143 | checkGraphOutArcList(G, n3, 0); |
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144 | checkGraphOutArcList(G, n4, 3); |
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145 | |
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146 | checkGraphInArcList(G, n1, 2); |
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147 | checkGraphInArcList(G, n2, 1); |
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148 | checkGraphInArcList(G, n3, 1); |
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149 | checkGraphInArcList(G, n4, 1); |
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150 | |
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151 | checkGraphConArcList(G, 5); |
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152 | |
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153 | G.changeSource(a4, n3); |
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154 | |
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155 | checkGraphNodeList(G, 4); |
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156 | checkGraphArcList(G, 5); |
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157 | |
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158 | checkGraphOutArcList(G, n1, 1); |
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159 | checkGraphOutArcList(G, n2, 1); |
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160 | checkGraphOutArcList(G, n3, 1); |
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161 | checkGraphOutArcList(G, n4, 2); |
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162 | |
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163 | checkGraphInArcList(G, n1, 2); |
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164 | checkGraphInArcList(G, n2, 1); |
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165 | checkGraphInArcList(G, n3, 1); |
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166 | checkGraphInArcList(G, n4, 1); |
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167 | |
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168 | checkGraphConArcList(G, 5); |
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169 | |
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170 | // Check contract() |
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171 | G.contract(n2, n4, false); |
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172 | |
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173 | checkGraphNodeList(G, 3); |
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174 | checkGraphArcList(G, 5); |
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175 | |
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176 | checkGraphOutArcList(G, n1, 1); |
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177 | checkGraphOutArcList(G, n2, 3); |
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178 | checkGraphOutArcList(G, n3, 1); |
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179 | |
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180 | checkGraphInArcList(G, n1, 2); |
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181 | checkGraphInArcList(G, n2, 2); |
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182 | checkGraphInArcList(G, n3, 1); |
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183 | |
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184 | checkGraphConArcList(G, 5); |
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185 | |
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186 | G.contract(n2, n1); |
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187 | |
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188 | checkGraphNodeList(G, 2); |
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189 | checkGraphArcList(G, 3); |
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190 | |
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191 | checkGraphOutArcList(G, n2, 2); |
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192 | checkGraphOutArcList(G, n3, 1); |
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193 | |
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194 | checkGraphInArcList(G, n2, 2); |
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195 | checkGraphInArcList(G, n3, 1); |
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196 | |
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197 | checkGraphConArcList(G, 3); |
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198 | } |
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199 | |
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200 | template <class Digraph> |
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201 | void checkDigraphErase() { |
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202 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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203 | |
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204 | Digraph G; |
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205 | Node n1 = G.addNode(), n2 = G.addNode(), |
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206 | n3 = G.addNode(), n4 = G.addNode(); |
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207 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1), |
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208 | a3 = G.addArc(n4, n3), a4 = G.addArc(n3, n1), |
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209 | a5 = G.addArc(n2, n4); |
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210 | ignore_unused_variable_warning(a2,a3,a4,a5); |
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211 | |
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212 | // Check arc deletion |
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213 | G.erase(a1); |
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214 | |
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215 | checkGraphNodeList(G, 4); |
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216 | checkGraphArcList(G, 4); |
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217 | |
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218 | checkGraphOutArcList(G, n1, 0); |
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219 | checkGraphOutArcList(G, n2, 1); |
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220 | checkGraphOutArcList(G, n3, 1); |
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221 | checkGraphOutArcList(G, n4, 2); |
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222 | |
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223 | checkGraphInArcList(G, n1, 2); |
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224 | checkGraphInArcList(G, n2, 0); |
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225 | checkGraphInArcList(G, n3, 1); |
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226 | checkGraphInArcList(G, n4, 1); |
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227 | |
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228 | checkGraphConArcList(G, 4); |
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229 | |
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230 | // Check node deletion |
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231 | G.erase(n4); |
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232 | |
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233 | checkGraphNodeList(G, 3); |
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234 | checkGraphArcList(G, 1); |
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235 | |
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236 | checkGraphOutArcList(G, n1, 0); |
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237 | checkGraphOutArcList(G, n2, 0); |
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238 | checkGraphOutArcList(G, n3, 1); |
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239 | checkGraphOutArcList(G, n4, 0); |
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240 | |
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241 | checkGraphInArcList(G, n1, 1); |
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242 | checkGraphInArcList(G, n2, 0); |
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243 | checkGraphInArcList(G, n3, 0); |
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244 | checkGraphInArcList(G, n4, 0); |
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245 | |
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246 | checkGraphConArcList(G, 1); |
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247 | } |
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248 | |
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249 | |
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250 | template <class Digraph> |
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251 | void checkDigraphSnapshot() { |
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252 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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253 | |
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254 | Digraph G; |
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255 | Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode(); |
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256 | Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1), |
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257 | a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3); |
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258 | ignore_unused_variable_warning(a1,a2,a3,a4); |
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259 | |
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260 | typename Digraph::Snapshot snapshot(G); |
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261 | |
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262 | Node n = G.addNode(); |
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263 | G.addArc(n3, n); |
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264 | G.addArc(n, n3); |
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265 | |
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266 | checkGraphNodeList(G, 4); |
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267 | checkGraphArcList(G, 6); |
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268 | |
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269 | snapshot.restore(); |
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270 | |
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271 | checkGraphNodeList(G, 3); |
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272 | checkGraphArcList(G, 4); |
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273 | |
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274 | checkGraphOutArcList(G, n1, 1); |
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275 | checkGraphOutArcList(G, n2, 3); |
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276 | checkGraphOutArcList(G, n3, 0); |
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277 | |
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278 | checkGraphInArcList(G, n1, 1); |
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279 | checkGraphInArcList(G, n2, 1); |
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280 | checkGraphInArcList(G, n3, 2); |
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281 | |
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282 | checkGraphConArcList(G, 4); |
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283 | |
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284 | checkNodeIds(G); |
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285 | checkArcIds(G); |
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286 | checkGraphNodeMap(G); |
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287 | checkGraphArcMap(G); |
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288 | |
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289 | G.addNode(); |
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290 | snapshot.save(G); |
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291 | |
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292 | G.addArc(G.addNode(), G.addNode()); |
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293 | |
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294 | snapshot.restore(); |
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295 | snapshot.save(G); |
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296 | |
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297 | checkGraphNodeList(G, 4); |
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298 | checkGraphArcList(G, 4); |
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299 | |
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300 | G.addArc(G.addNode(), G.addNode()); |
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301 | |
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302 | snapshot.restore(); |
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303 | |
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304 | checkGraphNodeList(G, 4); |
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305 | checkGraphArcList(G, 4); |
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306 | } |
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307 | |
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308 | void checkConcepts() { |
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309 | { // Checking digraph components |
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310 | checkConcept<BaseDigraphComponent, BaseDigraphComponent >(); |
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311 | |
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312 | checkConcept<IDableDigraphComponent<>, |
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313 | IDableDigraphComponent<> >(); |
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314 | |
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315 | checkConcept<IterableDigraphComponent<>, |
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316 | IterableDigraphComponent<> >(); |
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317 | |
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318 | checkConcept<MappableDigraphComponent<>, |
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319 | MappableDigraphComponent<> >(); |
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320 | } |
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321 | { // Checking skeleton digraph |
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322 | checkConcept<Digraph, Digraph>(); |
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323 | } |
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324 | { // Checking ListDigraph |
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325 | checkConcept<Digraph, ListDigraph>(); |
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326 | checkConcept<AlterableDigraphComponent<>, ListDigraph>(); |
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327 | checkConcept<ExtendableDigraphComponent<>, ListDigraph>(); |
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328 | checkConcept<ClearableDigraphComponent<>, ListDigraph>(); |
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329 | checkConcept<ErasableDigraphComponent<>, ListDigraph>(); |
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330 | } |
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331 | { // Checking SmartDigraph |
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332 | checkConcept<Digraph, SmartDigraph>(); |
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333 | checkConcept<AlterableDigraphComponent<>, SmartDigraph>(); |
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334 | checkConcept<ExtendableDigraphComponent<>, SmartDigraph>(); |
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335 | checkConcept<ClearableDigraphComponent<>, SmartDigraph>(); |
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336 | } |
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337 | { // Checking StaticDigraph |
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338 | checkConcept<Digraph, StaticDigraph>(); |
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339 | checkConcept<ClearableDigraphComponent<>, StaticDigraph>(); |
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340 | } |
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341 | { // Checking FullDigraph |
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342 | checkConcept<Digraph, FullDigraph>(); |
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343 | } |
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344 | } |
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345 | |
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346 | template <typename Digraph> |
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347 | void checkDigraphValidity() { |
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348 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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349 | Digraph g; |
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350 | |
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351 | Node |
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352 | n1 = g.addNode(), |
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353 | n2 = g.addNode(), |
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354 | n3 = g.addNode(); |
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355 | |
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356 | Arc |
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357 | e1 = g.addArc(n1, n2), |
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358 | e2 = g.addArc(n2, n3); |
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359 | ignore_unused_variable_warning(e2); |
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360 | |
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361 | check(g.valid(n1), "Wrong validity check"); |
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362 | check(g.valid(e1), "Wrong validity check"); |
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363 | |
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364 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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365 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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366 | } |
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367 | |
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368 | template <typename Digraph> |
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369 | void checkDigraphValidityErase() { |
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370 | TEMPLATE_DIGRAPH_TYPEDEFS(Digraph); |
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371 | Digraph g; |
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372 | |
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373 | Node |
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374 | n1 = g.addNode(), |
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375 | n2 = g.addNode(), |
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376 | n3 = g.addNode(); |
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377 | |
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378 | Arc |
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379 | e1 = g.addArc(n1, n2), |
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380 | e2 = g.addArc(n2, n3); |
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381 | |
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382 | check(g.valid(n1), "Wrong validity check"); |
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383 | check(g.valid(e1), "Wrong validity check"); |
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384 | |
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385 | g.erase(n1); |
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386 | |
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387 | check(!g.valid(n1), "Wrong validity check"); |
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388 | check(g.valid(n2), "Wrong validity check"); |
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389 | check(g.valid(n3), "Wrong validity check"); |
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390 | check(!g.valid(e1), "Wrong validity check"); |
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391 | check(g.valid(e2), "Wrong validity check"); |
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392 | |
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393 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
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394 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
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395 | } |
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396 | |
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397 | void checkStaticDigraph() { |
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398 | SmartDigraph g; |
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399 | SmartDigraph::NodeMap<StaticDigraph::Node> nref(g); |
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400 | SmartDigraph::ArcMap<StaticDigraph::Arc> aref(g); |
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401 | |
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402 | StaticDigraph G; |
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403 | |
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404 | checkGraphNodeList(G, 0); |
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405 | checkGraphArcList(G, 0); |
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406 | |
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407 | G.build(g, nref, aref); |
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408 | |
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409 | checkGraphNodeList(G, 0); |
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410 | checkGraphArcList(G, 0); |
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411 | |
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412 | SmartDigraph::Node |
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413 | n1 = g.addNode(), |
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414 | n2 = g.addNode(), |
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415 | n3 = g.addNode(); |
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416 | |
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417 | G.build(g, nref, aref); |
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418 | |
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419 | checkGraphNodeList(G, 3); |
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420 | checkGraphArcList(G, 0); |
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421 | |
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422 | SmartDigraph::Arc a1 = g.addArc(n1, n2); |
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423 | |
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424 | G.build(g, nref, aref); |
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425 | |
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426 | check(G.source(aref[a1]) == nref[n1] && G.target(aref[a1]) == nref[n2], |
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427 | "Wrong arc or wrong references"); |
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428 | checkGraphNodeList(G, 3); |
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429 | checkGraphArcList(G, 1); |
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430 | |
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431 | checkGraphOutArcList(G, nref[n1], 1); |
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432 | checkGraphOutArcList(G, nref[n2], 0); |
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433 | checkGraphOutArcList(G, nref[n3], 0); |
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434 | |
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435 | checkGraphInArcList(G, nref[n1], 0); |
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436 | checkGraphInArcList(G, nref[n2], 1); |
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437 | checkGraphInArcList(G, nref[n3], 0); |
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438 | |
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439 | checkGraphConArcList(G, 1); |
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440 | |
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441 | SmartDigraph::Arc |
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442 | a2 = g.addArc(n2, n1), |
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443 | a3 = g.addArc(n2, n3), |
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444 | a4 = g.addArc(n2, n3); |
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445 | |
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446 | digraphCopy(g, G).nodeRef(nref).run(); |
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447 | |
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448 | checkGraphNodeList(G, 3); |
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449 | checkGraphArcList(G, 4); |
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450 | |
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451 | checkGraphOutArcList(G, nref[n1], 1); |
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452 | checkGraphOutArcList(G, nref[n2], 3); |
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453 | checkGraphOutArcList(G, nref[n3], 0); |
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454 | |
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455 | checkGraphInArcList(G, nref[n1], 1); |
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456 | checkGraphInArcList(G, nref[n2], 1); |
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457 | checkGraphInArcList(G, nref[n3], 2); |
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458 | |
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459 | checkGraphConArcList(G, 4); |
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460 | |
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461 | std::vector<std::pair<int,int> > arcs; |
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462 | arcs.push_back(std::make_pair(0,1)); |
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463 | arcs.push_back(std::make_pair(0,2)); |
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464 | arcs.push_back(std::make_pair(1,3)); |
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465 | arcs.push_back(std::make_pair(1,2)); |
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466 | arcs.push_back(std::make_pair(3,0)); |
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467 | arcs.push_back(std::make_pair(3,3)); |
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468 | arcs.push_back(std::make_pair(4,2)); |
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469 | arcs.push_back(std::make_pair(4,3)); |
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470 | arcs.push_back(std::make_pair(4,1)); |
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471 | |
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472 | G.build(6, arcs.begin(), arcs.end()); |
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473 | |
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474 | checkGraphNodeList(G, 6); |
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475 | checkGraphArcList(G, 9); |
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476 | |
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477 | checkGraphOutArcList(G, G.node(0), 2); |
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478 | checkGraphOutArcList(G, G.node(1), 2); |
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479 | checkGraphOutArcList(G, G.node(2), 0); |
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480 | checkGraphOutArcList(G, G.node(3), 2); |
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481 | checkGraphOutArcList(G, G.node(4), 3); |
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482 | checkGraphOutArcList(G, G.node(5), 0); |
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483 | |
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484 | checkGraphInArcList(G, G.node(0), 1); |
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485 | checkGraphInArcList(G, G.node(1), 2); |
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486 | checkGraphInArcList(G, G.node(2), 3); |
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487 | checkGraphInArcList(G, G.node(3), 3); |
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488 | checkGraphInArcList(G, G.node(4), 0); |
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489 | checkGraphInArcList(G, G.node(5), 0); |
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490 | |
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491 | checkGraphConArcList(G, 9); |
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492 | |
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493 | checkNodeIds(G); |
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494 | checkArcIds(G); |
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495 | checkGraphNodeMap(G); |
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496 | checkGraphArcMap(G); |
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497 | |
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498 | int n = G.nodeNum(); |
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499 | int m = G.arcNum(); |
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500 | check(G.index(G.node(n-1)) == n-1, "Wrong index."); |
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501 | check(G.index(G.arc(m-1)) == m-1, "Wrong index."); |
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502 | } |
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503 | |
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504 | void checkFullDigraph(int num) { |
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505 | typedef FullDigraph Digraph; |
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506 | DIGRAPH_TYPEDEFS(Digraph); |
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507 | |
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508 | Digraph G(num); |
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509 | check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size"); |
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510 | |
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511 | G.resize(num); |
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512 | check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size"); |
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513 | |
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514 | checkGraphNodeList(G, num); |
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515 | checkGraphArcList(G, num * num); |
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516 | |
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517 | for (NodeIt n(G); n != INVALID; ++n) { |
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518 | checkGraphOutArcList(G, n, num); |
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519 | checkGraphInArcList(G, n, num); |
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520 | } |
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521 | |
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522 | checkGraphConArcList(G, num * num); |
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523 | |
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524 | checkNodeIds(G); |
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525 | checkArcIds(G); |
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526 | checkGraphNodeMap(G); |
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527 | checkGraphArcMap(G); |
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528 | |
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529 | for (int i = 0; i < G.nodeNum(); ++i) { |
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530 | check(G.index(G(i)) == i, "Wrong index"); |
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531 | } |
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532 | |
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533 | for (NodeIt s(G); s != INVALID; ++s) { |
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534 | for (NodeIt t(G); t != INVALID; ++t) { |
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535 | Arc a = G.arc(s, t); |
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536 | check(G.source(a) == s && G.target(a) == t, "Wrong arc lookup"); |
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537 | } |
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538 | } |
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539 | } |
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540 | |
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541 | void checkDigraphs() { |
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542 | { // Checking ListDigraph |
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543 | checkDigraphBuild<ListDigraph>(); |
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544 | checkDigraphSplit<ListDigraph>(); |
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545 | checkDigraphAlter<ListDigraph>(); |
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546 | checkDigraphErase<ListDigraph>(); |
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547 | checkDigraphSnapshot<ListDigraph>(); |
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548 | checkDigraphValidityErase<ListDigraph>(); |
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549 | } |
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550 | { // Checking SmartDigraph |
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551 | checkDigraphBuild<SmartDigraph>(); |
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552 | checkDigraphSplit<SmartDigraph>(); |
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553 | checkDigraphSnapshot<SmartDigraph>(); |
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554 | checkDigraphValidity<SmartDigraph>(); |
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555 | } |
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556 | { // Checking StaticDigraph |
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557 | checkStaticDigraph(); |
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558 | } |
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559 | { // Checking FullDigraph |
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560 | checkFullDigraph(8); |
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561 | } |
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562 | } |
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563 | |
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564 | int main() { |
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565 | checkDigraphs(); |
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566 | checkConcepts(); |
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567 | return 0; |
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568 | } |
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