COIN-OR::LEMON - Graph Library

source: lemon-0.x/src/work/athos/mincostflows_test.cc @ 527:7550fed0cd91

Last change on this file since 527:7550fed0cd91 was 527:7550fed0cd91, checked in by athos, 17 years ago

Nem tudom, a hugo-n miert nem megy.

File size: 2.0 KB
Line 
1#include <iostream>
2#include <list_graph.h>
3#include <mincostflows.h>
4//#include <path.h>
5#include <maps.h>
6
7using namespace std;
8using namespace hugo;
9
10
11
12bool passed = true;
13
14void check(bool rc, char *msg="") {
15  passed = passed && rc;
16  if(!rc) {
17    std::cerr << "Test failed! ("<< msg << ")" << std::endl; \
18 
19
20  }
21}
22
23
24
25int main()
26{
27
28  typedef ListGraph::Node Node;
29  typedef ListGraph::Edge Edge;
30
31  ListGraph graph;
32
33  //Ahuja könyv példája
34
35  Node s=graph.addNode();
36  Node v1=graph.addNode(); 
37  Node v2=graph.addNode();
38  Node v3=graph.addNode();
39  Node v4=graph.addNode();
40  Node v5=graph.addNode();
41  Node t=graph.addNode();
42
43  Edge s_v1=graph.addEdge(s, v1);
44  Edge v1_v2=graph.addEdge(v1, v2);
45  Edge s_v3=graph.addEdge(s, v3);
46  Edge v2_v4=graph.addEdge(v2, v4);
47  Edge v2_v5=graph.addEdge(v2, v5);
48  Edge v3_v5=graph.addEdge(v3, v5);
49  Edge v4_t=graph.addEdge(v4, t);
50  Edge v5_t=graph.addEdge(v5, t);
51 
52
53  ListGraph::EdgeMap<int> length(graph);
54
55  length.set(s_v1, 6);
56  length.set(v1_v2, 4);
57  length.set(s_v3, 10);
58  length.set(v2_v4, 5);
59  length.set(v2_v5, 1);
60  length.set(v3_v5, 5);
61  length.set(v4_t, 8);
62  length.set(v5_t, 8);
63
64  ConstMap const1map(1);
65  std::cout << "Minlengthpaths algorithm test..." << std::endl;
66
67 
68  int k=3;
69  MinCostFlows< ListGraph, ListGraph::EdgeMap<int> >
70    surb_test(graph, length, const1map);
71
72  check(  surb_test.run(s,t,k) == 2 && surb_test.totalLength() == 46,"Two paths, total length should be 46");
73
74  typedef DirPath<ListGraph> DPath;
75  DPath P(graph);
76
77  surb_test.getPath(P,0);
78  check(P.length() == 4, "First path should contain 4 edges."); 
79
80  surb_test.getPath(P,1);
81  check(P.length() == 3, "Second path: 3 edges.");
82 
83  k=1;
84  check(  surb_test.run(s,t,k) == 1 && surb_test.totalLength() == 19,"One path, total length should be 19");
85 
86  surb_test.getPath(P,0);
87  check(P.length() == 4, "First path should contain 4 edges."); 
88
89  cout << (passed ? "All tests passed." : "Some of the tests failed!!!")
90       << endl;
91
92  return passed ? 0 : 1;
93
94}
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