src/work/marci/leda/comparison.cc
changeset 720 193d881b23ad
parent 617 dc17013b0e52
child 768 a5e9303a5511
equal deleted inserted replaced
0:f0af8cd9e589 1:3050c19ae637
     8 #include <LEDA/mcb_matching.h>
     8 #include <LEDA/mcb_matching.h>
     9 #include <LEDA/list.h>
     9 #include <LEDA/list.h>
    10 #include <LEDA/graph_gen.h>
    10 #include <LEDA/graph_gen.h>
    11 
    11 
    12 #include <leda_graph_wrapper.h>
    12 #include <leda_graph_wrapper.h>
    13 #include <list_graph.h>
    13 #include <sage_graph.h>
    14 //#include <smart_graph.h>
    14 //#include <smart_graph.h>
    15 //#include <dimacs.h>
    15 //#include <dimacs.h>
    16 #include <hugo/time_measure.h>
    16 #include <hugo/time_measure.h>
    17 #include <for_each_macros.h>
    17 #include <hugo/for_each_macros.h>
    18 #include <hugo/graph_wrapper.h>
    18 #include <hugo/graph_wrapper.h>
    19 #include <bipartite_graph_wrapper.h>
    19 #include <bipartite_graph_wrapper.h>
    20 #include <hugo/maps.h>
    20 #include <hugo/maps.h>
    21 #include <max_flow.h>
    21 #include <max_flow.h>
    22 
    22 
    49   leda::graph lg;
    49   leda::graph lg;
    50   //lg.make_undirected();
    50   //lg.make_undirected();
    51   typedef LedaGraphWrapper<leda::graph> Graph;
    51   typedef LedaGraphWrapper<leda::graph> Graph;
    52   Graph g(lg);
    52   Graph g(lg);
    53 
    53 
    54   //for UndirListGraph
    54   //for UndirSageGraph
    55   //typedef UndirListGraph Graph; 
    55   //typedef UndirSageGraph Graph; 
    56   //Graph g;
    56   //Graph g;
    57 
    57 
    58   typedef Graph::Node Node;
    58   typedef Graph::Node Node;
    59   typedef Graph::NodeIt NodeIt;
    59   typedef Graph::NodeIt NodeIt;
    60   typedef Graph::Edge Edge;
    60   typedef Graph::Edge Edge;
   121 	    << ml.size() << std::endl;
   121 	    << ml.size() << std::endl;
   122   std::cout << "elapsed time: " << ts << std::endl << std::endl;
   122   std::cout << "elapsed time: " << ts << std::endl << std::endl;
   123 
   123 
   124 //   ts.reset();
   124 //   ts.reset();
   125 //   FOR_EACH_LOC(stGW::EdgeIt, e, stgw) flow.set(e, 0);
   125 //   FOR_EACH_LOC(stGW::EdgeIt, e, stgw) flow.set(e, 0);
   126 //   typedef ListGraph MutableGraph;
   126 //   typedef SageGraph MutableGraph;
   127 //   while (max_flow_test.augmentOnBlockingFlow<MutableGraph>()) { }
   127 //   while (max_flow_test.augmentOnBlockingFlow<MutableGraph>()) { }
   128 //   std::cout << "HUGO max matching algorithm based on blocking flow augmentation." 
   128 //   std::cout << "HUGO max matching algorithm based on blocking flow augmentation." 
   129 // 	    << std::endl << "Matching size: " 
   129 // 	    << std::endl << "Matching size: " 
   130 // 	    << max_flow_test.flowValue() << std::endl;
   130 // 	    << max_flow_test.flowValue() << std::endl;
   131 //   std::cout << "elapsed time: " << ts << std::endl << std::endl;
   131 //   std::cout << "elapsed time: " << ts << std::endl << std::endl;
   132 
   132 
   133   {
   133   {
   134   ListGraph hg;
   134   SageGraph hg;
   135   ListGraph::Node s=hg.addNode();  
   135   SageGraph::Node s=hg.addNode();  
   136   ListGraph::Node t=hg.addNode();
   136   SageGraph::Node t=hg.addNode();
   137   BGW::NodeMap<ListGraph::Node> b_s_nodes(bgw);  
   137   BGW::NodeMap<SageGraph::Node> b_s_nodes(bgw);  
   138   BGW::NodeMap<ListGraph::Node> b_t_nodes(bgw);
   138   BGW::NodeMap<SageGraph::Node> b_t_nodes(bgw);
   139   
   139   
   140   FOR_EACH_INC_LOC(BGW::ClassNodeIt, n, bgw, BGW::S_CLASS) {
   140   FOR_EACH_INC_LOC(BGW::ClassNodeIt, n, bgw, BGW::S_CLASS) {
   141     b_s_nodes.set(n, hg.addNode());
   141     b_s_nodes.set(n, hg.addNode());
   142     hg.addEdge(s, b_s_nodes[n]);
   142     hg.addEdge(s, b_s_nodes[n]);
   143   }
   143   }
   147   }
   147   }
   148 
   148 
   149   FOR_EACH_LOC(BGW::EdgeIt, e, bgw) 
   149   FOR_EACH_LOC(BGW::EdgeIt, e, bgw) 
   150     hg.addEdge(b_s_nodes[bgw.tail(e)], b_t_nodes[bgw.head(e)]);
   150     hg.addEdge(b_s_nodes[bgw.tail(e)], b_t_nodes[bgw.head(e)]);
   151 
   151 
   152   ConstMap<ListGraph::Edge, int> cm(1);
   152   ConstMap<SageGraph::Edge, int> cm(1);
   153   ListGraph::EdgeMap<int> flow(hg); //0
   153   SageGraph::EdgeMap<int> flow(hg); //0
   154   
   154   
   155   Timer ts;
   155   Timer ts;
   156 
   156 
   157   ts.reset();
   157   ts.reset();
   158   MaxFlow<ListGraph, int, ConstMap<ListGraph::Edge, int>, 
   158   MaxFlow<SageGraph, int, ConstMap<SageGraph::Edge, int>, 
   159     ListGraph::EdgeMap<int> > 
   159     SageGraph::EdgeMap<int> > 
   160     max_flow_test(hg, s, t, cm, flow);
   160     max_flow_test(hg, s, t, cm, flow);
   161   max_flow_test.run();
   161   max_flow_test.run();
   162   std::cout << "HUGO max matching algorithm on ListGraph by copying the graph, based on preflow." 
   162   std::cout << "HUGO max matching algorithm on SageGraph by copying the graph, based on preflow." 
   163 	    << std::endl 
   163 	    << std::endl 
   164 	    << "Size of matching: " 
   164 	    << "Size of matching: " 
   165 	    << max_flow_test.flowValue() << std::endl;
   165 	    << max_flow_test.flowValue() << std::endl;
   166   std::cout << "elapsed time: " << ts << std::endl << std::endl;
   166   std::cout << "elapsed time: " << ts << std::endl << std::endl;
   167   }
   167   }