1 /* -*- C++ -*- |
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2 * src/test/bfs_test.cc - 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 <test/test_tools.h> |
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18 #include <lemon/smart_graph.h> |
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19 #include <bfs_mm.h> |
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20 #include <lemon/concept/graph.h> |
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21 |
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22 using namespace lemon; |
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23 |
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24 const int PET_SIZE =5; |
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25 |
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26 |
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27 void check_Bfs_Compile() |
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28 { |
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29 typedef concept::StaticGraph Graph; |
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30 |
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31 typedef Graph::Edge Edge; |
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32 typedef Graph::Node Node; |
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33 typedef Graph::EdgeIt EdgeIt; |
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34 typedef Graph::NodeIt NodeIt; |
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35 |
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36 typedef marci::Bfs<Graph> BType; |
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37 |
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38 Graph G; |
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39 Node n; |
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40 Edge e; |
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41 int l; |
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42 bool b; |
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43 BType::DistMap d(G); |
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44 BType::PredMap p(G); |
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45 BType::PredNodeMap pn(G); |
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46 |
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47 Graph::NodeMap<bool> reached(G); |
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48 Graph::NodeMap<Edge> pred(G); |
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49 Graph::NodeMap<Node> pred_node(G); |
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50 Graph::NodeMap<int> dist(G); |
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51 BType bfs_test(G, reached, pred, pred_node, dist); |
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52 |
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53 bfs_test.run(n); |
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54 |
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55 l = bfs_test.dist(n); |
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56 e = bfs_test.pred(n); |
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57 n = bfs_test.predNode(n); |
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58 d = bfs_test.distMap(); |
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59 p = bfs_test.predMap(); |
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60 pn = bfs_test.predNodeMap(); |
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61 b = bfs_test.reached(n); |
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62 |
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63 } |
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64 |
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65 int main() |
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66 { |
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67 |
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68 typedef SmartGraph Graph; |
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69 |
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70 typedef Graph::Edge Edge; |
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71 typedef Graph::Node Node; |
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72 typedef Graph::EdgeIt EdgeIt; |
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73 typedef Graph::NodeIt NodeIt; |
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74 typedef Graph::EdgeMap<int> LengthMap; |
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75 |
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76 Graph G; |
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77 Node s, t; |
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78 PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
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79 |
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80 s=ps.outer[2]; |
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81 t=ps.inner[0]; |
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82 |
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83 Graph::NodeMap<bool> reached(G); |
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84 Graph::NodeMap<Edge> pred(G); |
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85 Graph::NodeMap<Node> pred_node(G); |
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86 Graph::NodeMap<int> dist(G); |
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87 marci::Bfs<Graph> bfs_test(G, reached, pred, pred_node, dist); |
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88 bfs_test.run(s); |
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89 |
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90 // check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); |
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91 |
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92 |
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93 // for(EdgeIt e(G); e==INVALID; ++e) { |
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94 // Node u=G.source(e); |
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95 // Node v=G.target(e); |
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96 // check( !bfs_test.reached(u) || |
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97 // (bfs_test.dist(v) > bfs_test.dist(u)+1), |
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98 // "Wrong output."); |
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99 // } |
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100 |
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101 // for(NodeIt v(G); v==INVALID; ++v) { |
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102 // check(bfs_test.reached(v),"Each node should be reached."); |
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103 // if ( bfs_test.pred(v)!=INVALID ) { |
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104 // Edge e=bfs_test.pred(v); |
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105 // Node u=G.source(e); |
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106 // check(u==bfs_test.predNode(v),"Wrong tree."); |
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107 // check(bfs_test.dist(v) - bfs_test.dist(u) == 1, |
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108 // "Wrong distance. Difference: " |
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109 // << std::abs(bfs_test.dist(v) - bfs_test.dist(u) |
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110 // - 1)); |
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111 // } |
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112 // } |
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113 } |
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114 |
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