test/suurballe_test.cc
changeset 1435 8e85e6bbefdf
parent 1359 1581f961cfaa
child 1875 98698b69a902
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/suurballe_test.cc	Mon May 23 04:48:14 2005 +0000
     1.3 @@ -0,0 +1,108 @@
     1.4 +/* -*- C++ -*-
     1.5 + * test/suurballe_test.cc - Part of LEMON, a generic C++ optimization library
     1.6 + *
     1.7 + * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     1.8 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
     1.9 + *
    1.10 + * Permission to use, modify and distribute this software is granted
    1.11 + * provided that this copyright notice appears in all copies. For
    1.12 + * precise terms see the accompanying LICENSE file.
    1.13 + *
    1.14 + * This software is provided "AS IS" with no warranty of any kind,
    1.15 + * express or implied, and with no claim as to its suitability for any
    1.16 + * purpose.
    1.17 + *
    1.18 + */
    1.19 +
    1.20 +#include <iostream>
    1.21 +#include <lemon/list_graph.h>
    1.22 +#include <lemon/suurballe.h>
    1.23 +//#include <path.h>
    1.24 +#include "test_tools.h"
    1.25 +
    1.26 +using namespace lemon;
    1.27 +
    1.28 +
    1.29 +bool passed = true;
    1.30 +
    1.31 +
    1.32 +int main()
    1.33 +{
    1.34 +  typedef ListGraph Graph;
    1.35 +  typedef Graph::Node Node;
    1.36 +  typedef Graph::Edge Edge;
    1.37 +
    1.38 +  Graph graph;
    1.39 +
    1.40 +  //Ahuja könyv példája
    1.41 +
    1.42 +  Node s=graph.addNode();
    1.43 +  Node v1=graph.addNode();  
    1.44 +  Node v2=graph.addNode();
    1.45 +  Node v3=graph.addNode();
    1.46 +  Node v4=graph.addNode();
    1.47 +  Node v5=graph.addNode();
    1.48 +  Node t=graph.addNode();
    1.49 +
    1.50 +  Edge s_v1=graph.addEdge(s, v1);
    1.51 +  Edge v1_v2=graph.addEdge(v1, v2);
    1.52 +  Edge s_v3=graph.addEdge(s, v3);
    1.53 +  Edge v2_v4=graph.addEdge(v2, v4);
    1.54 +  Edge v2_v5=graph.addEdge(v2, v5);
    1.55 +  Edge v3_v5=graph.addEdge(v3, v5);
    1.56 +  Edge v4_t=graph.addEdge(v4, t);
    1.57 +  Edge v5_t=graph.addEdge(v5, t);
    1.58 +  
    1.59 +
    1.60 +  Graph::EdgeMap<int> length(graph);
    1.61 +
    1.62 +  length.set(s_v1, 6);
    1.63 +  length.set(v1_v2, 4);
    1.64 +  length.set(s_v3, 10);
    1.65 +  length.set(v2_v4, 5);
    1.66 +  length.set(v2_v5, 1);
    1.67 +  length.set(v3_v5, 5);
    1.68 +  length.set(v4_t, 8);
    1.69 +  length.set(v5_t, 8);
    1.70 +
    1.71 +  std::cout << "Minlengthpaths algorithm test..." << std::endl;
    1.72 +
    1.73 +  
    1.74 +  int k=3;
    1.75 +  Suurballe< Graph, Graph::EdgeMap<int> >
    1.76 +    surb_test(graph, length, s, t);
    1.77 +
    1.78 +  check(  surb_test.run(k) == 2 && surb_test.totalLength() == 46,
    1.79 +	  "Two paths, total length should be 46");
    1.80 +
    1.81 +  check(  surb_test.checkComplementarySlackness(),
    1.82 +	  "Complementary slackness conditions are not met.");
    1.83 +
    1.84 +  //  typedef DirPath<Graph> DPath;
    1.85 +  //  DPath P(graph);
    1.86 +
    1.87 +  /*
    1.88 +  surb_test.getPath(P,0);
    1.89 +  check(P.length() == 4, "First path should contain 4 edges.");  
    1.90 +  std::cout<<P.length()<<std::endl;
    1.91 +  surb_test.getPath(P,1);
    1.92 +  check(P.length() == 3, "Second path: 3 edges.");
    1.93 +  std::cout<<P.length()<<std::endl;
    1.94 +  */  
    1.95 +
    1.96 +  k=1;
    1.97 +  check(  surb_test.run(k) == 1 && surb_test.totalLength() == 19,
    1.98 +	  "One path, total length should be 19");
    1.99 +
   1.100 +  check(  surb_test.checkComplementarySlackness(),
   1.101 +	  "Complementary slackness conditions are not met.");
   1.102 + 
   1.103 +  //  surb_test.getPath(P,0);
   1.104 +  //  check(P.length() == 4, "First path should contain 4 edges.");  
   1.105 +
   1.106 +  std::cout << (passed ? "All tests passed." : "Some of the tests failed!!!")
   1.107 +	    << std::endl;
   1.108 +
   1.109 +  return passed ? 0 : 1;
   1.110 +
   1.111 +}