[906] | 1 | /* -*- C++ -*- |
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| 2 | * |
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[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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[2391] | 5 | * Copyright (C) 2003-2007 |
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[1956] | 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[906] | 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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[774] | 19 | #include "test_tools.h" |
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[921] | 20 | #include <lemon/smart_graph.h> |
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| 21 | #include <lemon/bfs.h> |
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[1283] | 22 | #include <lemon/path.h> |
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[2260] | 23 | #include<lemon/concepts/graph.h> |
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[774] | 24 | |
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[921] | 25 | using namespace lemon; |
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[774] | 26 | |
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| 27 | const int PET_SIZE =5; |
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| 28 | |
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| 29 | |
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[793] | 30 | void check_Bfs_Compile() |
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[774] | 31 | { |
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[2260] | 32 | typedef concepts::Graph Graph; |
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[774] | 33 | |
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| 34 | typedef Graph::Edge Edge; |
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| 35 | typedef Graph::Node Node; |
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| 36 | typedef Graph::EdgeIt EdgeIt; |
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| 37 | typedef Graph::NodeIt NodeIt; |
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| 38 | |
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| 39 | typedef Bfs<Graph> BType; |
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| 40 | |
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| 41 | Graph G; |
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| 42 | Node n; |
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| 43 | Edge e; |
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[793] | 44 | int l; |
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[774] | 45 | bool b; |
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| 46 | BType::DistMap d(G); |
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| 47 | BType::PredMap p(G); |
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[1218] | 48 | // BType::PredNodeMap pn(G); |
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[774] | 49 | |
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| 50 | BType bfs_test(G); |
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| 51 | |
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| 52 | bfs_test.run(n); |
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| 53 | |
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| 54 | l = bfs_test.dist(n); |
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[1763] | 55 | e = bfs_test.predEdge(n); |
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[774] | 56 | n = bfs_test.predNode(n); |
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| 57 | d = bfs_test.distMap(); |
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| 58 | p = bfs_test.predMap(); |
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[1218] | 59 | // pn = bfs_test.predNodeMap(); |
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[774] | 60 | b = bfs_test.reached(n); |
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| 61 | |
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[2335] | 62 | Path<Graph> pp = bfs_test.path(n); |
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[774] | 63 | } |
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| 64 | |
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[1220] | 65 | void check_Bfs_Function_Compile() |
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| 66 | { |
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| 67 | typedef int VType; |
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[2260] | 68 | typedef concepts::Graph Graph; |
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[1220] | 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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[2260] | 74 | typedef concepts::ReadMap<Edge,VType> LengthMap; |
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[1220] | 75 | |
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[2135] | 76 | Graph g; |
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| 77 | bfs(g,Node()).run(); |
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| 78 | bfs(g).source(Node()).run(); |
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| 79 | bfs(g) |
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[2260] | 80 | .predMap(concepts::WriteMap<Node,Edge>()) |
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| 81 | .distMap(concepts::WriteMap<Node,VType>()) |
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| 82 | .reachedMap(concepts::ReadWriteMap<Node,bool>()) |
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| 83 | .processedMap(concepts::WriteMap<Node,bool>()) |
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[1220] | 84 | .run(Node()); |
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| 85 | |
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| 86 | } |
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| 87 | |
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[774] | 88 | int main() |
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| 89 | { |
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| 90 | |
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| 91 | typedef SmartGraph Graph; |
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| 92 | |
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| 93 | typedef Graph::Edge Edge; |
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| 94 | typedef Graph::Node Node; |
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| 95 | typedef Graph::EdgeIt EdgeIt; |
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| 96 | typedef Graph::NodeIt NodeIt; |
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| 97 | typedef Graph::EdgeMap<int> LengthMap; |
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| 98 | |
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| 99 | Graph G; |
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| 100 | Node s, t; |
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| 101 | PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
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| 102 | |
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| 103 | s=ps.outer[2]; |
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| 104 | t=ps.inner[0]; |
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| 105 | |
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| 106 | Bfs<Graph> bfs_test(G); |
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| 107 | bfs_test.run(s); |
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| 108 | |
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| 109 | check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); |
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| 110 | |
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[2335] | 111 | Path<Graph> p = bfs_test.path(t); |
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[1283] | 112 | check(p.length()==3,"getPath() found a wrong path."); |
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[2335] | 113 | check(checkPath(G, p),"path() found a wrong path."); |
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| 114 | check(pathSource(G, p) == s,"path() found a wrong path."); |
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| 115 | check(pathTarget(G, p) == t,"path() found a wrong path."); |
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[1283] | 116 | |
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[774] | 117 | |
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| 118 | for(EdgeIt e(G); e==INVALID; ++e) { |
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[986] | 119 | Node u=G.source(e); |
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| 120 | Node v=G.target(e); |
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[774] | 121 | check( !bfs_test.reached(u) || |
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| 122 | (bfs_test.dist(v) > bfs_test.dist(u)+1), |
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| 123 | "Wrong output."); |
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| 124 | } |
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| 125 | |
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[780] | 126 | for(NodeIt v(G); v==INVALID; ++v) { |
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| 127 | check(bfs_test.reached(v),"Each node should be reached."); |
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[1763] | 128 | if ( bfs_test.predEdge(v)!=INVALID ) { |
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| 129 | Edge e=bfs_test.predEdge(v); |
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[986] | 130 | Node u=G.source(e); |
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[780] | 131 | check(u==bfs_test.predNode(v),"Wrong tree."); |
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[774] | 132 | check(bfs_test.dist(v) - bfs_test.dist(u) == 1, |
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[780] | 133 | "Wrong distance. Difference: " |
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[774] | 134 | << std::abs(bfs_test.dist(v) - bfs_test.dist(u) |
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| 135 | - 1)); |
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| 136 | } |
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[780] | 137 | } |
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[774] | 138 | } |
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[780] | 139 | |
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