[906] | 1 | /* -*- C++ -*- |
---|
| 2 | * |
---|
[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
| 4 | * |
---|
[2553] | 5 | * Copyright (C) 2003-2008 |
---|
[1956] | 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
[1359] | 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
[906] | 8 | * |
---|
| 9 | * Permission to use, modify and distribute this software is granted |
---|
| 10 | * provided that this copyright notice appears in all copies. For |
---|
| 11 | * precise terms see the accompanying LICENSE file. |
---|
| 12 | * |
---|
| 13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
| 14 | * express or implied, and with no claim as to its suitability for any |
---|
| 15 | * purpose. |
---|
| 16 | * |
---|
| 17 | */ |
---|
| 18 | |
---|
[774] | 19 | #include "test_tools.h" |
---|
[921] | 20 | #include <lemon/smart_graph.h> |
---|
| 21 | #include <lemon/bfs.h> |
---|
[1283] | 22 | #include <lemon/path.h> |
---|
[2260] | 23 | #include<lemon/concepts/graph.h> |
---|
[774] | 24 | |
---|
[921] | 25 | using namespace lemon; |
---|
[774] | 26 | |
---|
| 27 | const int PET_SIZE =5; |
---|
| 28 | |
---|
| 29 | |
---|
[793] | 30 | void check_Bfs_Compile() |
---|
[774] | 31 | { |
---|
[2260] | 32 | typedef concepts::Graph Graph; |
---|
[774] | 33 | |
---|
| 34 | typedef Graph::Edge Edge; |
---|
| 35 | typedef Graph::Node Node; |
---|
| 36 | typedef Graph::EdgeIt EdgeIt; |
---|
| 37 | typedef Graph::NodeIt NodeIt; |
---|
| 38 | |
---|
| 39 | typedef Bfs<Graph> BType; |
---|
| 40 | |
---|
| 41 | Graph G; |
---|
| 42 | Node n; |
---|
| 43 | Edge e; |
---|
[793] | 44 | int l; |
---|
[774] | 45 | bool b; |
---|
| 46 | BType::DistMap d(G); |
---|
| 47 | BType::PredMap p(G); |
---|
[1218] | 48 | // BType::PredNodeMap pn(G); |
---|
[774] | 49 | |
---|
| 50 | BType bfs_test(G); |
---|
| 51 | |
---|
| 52 | bfs_test.run(n); |
---|
| 53 | |
---|
| 54 | l = bfs_test.dist(n); |
---|
[1763] | 55 | e = bfs_test.predEdge(n); |
---|
[774] | 56 | n = bfs_test.predNode(n); |
---|
| 57 | d = bfs_test.distMap(); |
---|
| 58 | p = bfs_test.predMap(); |
---|
[1218] | 59 | // pn = bfs_test.predNodeMap(); |
---|
[774] | 60 | b = bfs_test.reached(n); |
---|
| 61 | |
---|
[2335] | 62 | Path<Graph> pp = bfs_test.path(n); |
---|
[774] | 63 | } |
---|
| 64 | |
---|
[1220] | 65 | void check_Bfs_Function_Compile() |
---|
| 66 | { |
---|
| 67 | typedef int VType; |
---|
[2260] | 68 | typedef concepts::Graph Graph; |
---|
[1220] | 69 | |
---|
| 70 | typedef Graph::Edge Edge; |
---|
| 71 | typedef Graph::Node Node; |
---|
| 72 | typedef Graph::EdgeIt EdgeIt; |
---|
| 73 | typedef Graph::NodeIt NodeIt; |
---|
[2260] | 74 | typedef concepts::ReadMap<Edge,VType> LengthMap; |
---|
[1220] | 75 | |
---|
[2135] | 76 | Graph g; |
---|
| 77 | bfs(g,Node()).run(); |
---|
| 78 | bfs(g).source(Node()).run(); |
---|
| 79 | bfs(g) |
---|
[2260] | 80 | .predMap(concepts::WriteMap<Node,Edge>()) |
---|
| 81 | .distMap(concepts::WriteMap<Node,VType>()) |
---|
| 82 | .reachedMap(concepts::ReadWriteMap<Node,bool>()) |
---|
| 83 | .processedMap(concepts::WriteMap<Node,bool>()) |
---|
[1220] | 84 | .run(Node()); |
---|
| 85 | |
---|
| 86 | } |
---|
| 87 | |
---|
[774] | 88 | int main() |
---|
| 89 | { |
---|
| 90 | |
---|
| 91 | typedef SmartGraph Graph; |
---|
| 92 | |
---|
| 93 | typedef Graph::Edge Edge; |
---|
| 94 | typedef Graph::Node Node; |
---|
| 95 | typedef Graph::EdgeIt EdgeIt; |
---|
| 96 | typedef Graph::NodeIt NodeIt; |
---|
| 97 | typedef Graph::EdgeMap<int> LengthMap; |
---|
| 98 | |
---|
| 99 | Graph G; |
---|
| 100 | Node s, t; |
---|
| 101 | PetStruct<Graph> ps = addPetersen(G,PET_SIZE); |
---|
| 102 | |
---|
| 103 | s=ps.outer[2]; |
---|
| 104 | t=ps.inner[0]; |
---|
| 105 | |
---|
| 106 | Bfs<Graph> bfs_test(G); |
---|
| 107 | bfs_test.run(s); |
---|
| 108 | |
---|
| 109 | check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t)); |
---|
| 110 | |
---|
[2335] | 111 | Path<Graph> p = bfs_test.path(t); |
---|
[1283] | 112 | check(p.length()==3,"getPath() found a wrong path."); |
---|
[2335] | 113 | check(checkPath(G, p),"path() found a wrong path."); |
---|
| 114 | check(pathSource(G, p) == s,"path() found a wrong path."); |
---|
| 115 | check(pathTarget(G, p) == t,"path() found a wrong path."); |
---|
[1283] | 116 | |
---|
[774] | 117 | |
---|
| 118 | for(EdgeIt e(G); e==INVALID; ++e) { |
---|
[986] | 119 | Node u=G.source(e); |
---|
| 120 | Node v=G.target(e); |
---|
[774] | 121 | check( !bfs_test.reached(u) || |
---|
| 122 | (bfs_test.dist(v) > bfs_test.dist(u)+1), |
---|
| 123 | "Wrong output."); |
---|
| 124 | } |
---|
| 125 | |
---|
[780] | 126 | for(NodeIt v(G); v==INVALID; ++v) { |
---|
| 127 | check(bfs_test.reached(v),"Each node should be reached."); |
---|
[1763] | 128 | if ( bfs_test.predEdge(v)!=INVALID ) { |
---|
| 129 | Edge e=bfs_test.predEdge(v); |
---|
[986] | 130 | Node u=G.source(e); |
---|
[780] | 131 | check(u==bfs_test.predNode(v),"Wrong tree."); |
---|
[774] | 132 | check(bfs_test.dist(v) - bfs_test.dist(u) == 1, |
---|
[780] | 133 | "Wrong distance. Difference: " |
---|
[774] | 134 | << std::abs(bfs_test.dist(v) - bfs_test.dist(u) |
---|
| 135 | - 1)); |
---|
| 136 | } |
---|
[780] | 137 | } |
---|
[774] | 138 | } |
---|
[780] | 139 | |
---|