src/work/athos/pf_demo.cc
changeset 96 e2e18eb0fd10
parent 36 7d539ea6ad26
child 105 a3c73e9b9b2e
equal deleted inserted replaced
0:fac568bf4939 1:bfd79e2713af
     1 #include <iostream>
     1 #include <iostream>
     2 #include <vector>
     2 #include <vector>
     3 #include <string>
     3 #include <string>
     4 
     4 
     5 #include "marci_list_graph.hh"
     5 #include "list_graph.hh"
     6 #include "marci_graph_traits.hh"
     6 #include "marci_graph_traits.hh"
     7 #include "marci_property_vector.hh"
     7 //#include "marci_property_vector.hh"
     8 #include "preflow_push.hh"
     8 #include "preflow_push.hh"
     9 
     9 
    10 using namespace marci;
    10 using namespace marci;
    11 
    11 
    12 
    12 
    13 int main (int, char*[])
    13 int main (int, char*[])
    14 {
    14 {
    15   typedef graph_traits<list_graph>::node_iterator node_iterator;
       
    16   typedef graph_traits<list_graph>::edge_iterator edge_iterator;
       
    17   typedef graph_traits<list_graph>::each_node_iterator each_node_iterator;
       
    18   typedef graph_traits<list_graph>::each_edge_iterator each_edge_iterator;
       
    19   typedef graph_traits<list_graph>::out_edge_iterator out_edge_iterator;
       
    20   typedef graph_traits<list_graph>::in_edge_iterator in_edge_iterator;
       
    21   typedef graph_traits<list_graph>::sym_edge_iterator sym_edge_iterator;
       
    22 
    15 
    23   list_graph flow_test;
       
    24  
       
    25   
    16   
       
    17   typedef ListGraph::NodeIt NodeIt;
       
    18   typedef ListGraph::EdgeIt EdgeIt;
       
    19   /*
       
    20   typedef ListGraph::EachNodeIt EachNodeIt;
       
    21   typedef ListGraph::EachEdgeIt EachEdgeIt;
       
    22   typedef ListGraph::OutEdgeIt OutEdgeIt;
       
    23   typedef ListGraph::InEdgeIt InEdgeIt;
       
    24   typedef ListGraph::SymEdgeIt SymEdgeIt;
       
    25   */
       
    26   
       
    27   //Marci példája
       
    28   ListGraph flowG;
       
    29 
       
    30   NodeIt s=flowG.addNode();
       
    31   NodeIt v1=flowG.addNode();
       
    32   NodeIt v2=flowG.addNode();
       
    33   NodeIt v3=flowG.addNode();
       
    34   NodeIt v4=flowG.addNode();
       
    35   NodeIt t=flowG.addNode();
       
    36   
       
    37 
       
    38   EdgeIt s_v1=flowG.addEdge(s, v1);
       
    39   EdgeIt s_v2=flowG.addEdge(s, v2);
       
    40   EdgeIt v1_v2=flowG.addEdge(v1, v2);
       
    41   EdgeIt v2_v1=flowG.addEdge(v2, v1);
       
    42   EdgeIt v1_v3=flowG.addEdge(v1, v3);
       
    43   EdgeIt v3_v2=flowG.addEdge(v3, v2);
       
    44   EdgeIt v2_v4=flowG.addEdge(v2, v4);
       
    45   EdgeIt v4_v3=flowG.addEdge(v4, v3);
       
    46   EdgeIt v3_t=flowG.addEdge(v3, t);
       
    47   EdgeIt v4_t=flowG.addEdge(v4, t);
       
    48 
       
    49   ListGraph::EdgeMap<int> cap(flowG);
       
    50 
       
    51   cap.set(s_v1, 16);
       
    52   cap.set(s_v2, 13);
       
    53   cap.set(v1_v2, 10);
       
    54   cap.set(v2_v1, 4);
       
    55   cap.set(v1_v3, 12);
       
    56   cap.set(v3_v2, 9);
       
    57   cap.set(v2_v4, 14);
       
    58   cap.set(v4_v3, 7);
       
    59   cap.set(v3_t, 20);
       
    60   cap.set(v4_t, 4);
       
    61 
       
    62 
       
    63 
       
    64 
       
    65 
       
    66 
       
    67 
       
    68   /*
    26   //Ahuja könyv példája
    69   //Ahuja könyv példája
    27   node_iterator s=flow_test.add_node();
    70   node_iterator s=flow_test.add_node();
    28   node_iterator v2=flow_test.add_node();
    71   NodeIt v2=flow_test.add_node();
    29   node_iterator v3=flow_test.add_node();
    72   NodeIt v3=flow_test.add_node();
    30   node_iterator v4=flow_test.add_node();
    73   NodeIt v4=flow_test.add_node();
    31   node_iterator v5=flow_test.add_node();
    74   NodeIt v5=flow_test.add_node();
    32   node_iterator t=flow_test.add_node();
    75   NodeIt t=flow_test.add_node();
    33   
    76   
    34   node_property_vector<list_graph, std::string> node_name(flow_test);
    77   node_property_vector<list_graph, std::string> node_name(flow_test);
    35   node_name.put(s, "s");  
    78   node_name.put(s, "s");  
    36   node_name.put(v2, "v2");
    79   node_name.put(v2, "v2");
    37   node_name.put(v3, "v3");
    80   node_name.put(v3, "v3");
    68 
   111 
    69   //Kis modositas
   112   //Kis modositas
    70   //edge_iterator t_s=flow_test.add_edge(t, s);
   113   //edge_iterator t_s=flow_test.add_edge(t, s);
    71   //cap.put(t_s, 20);
   114   //cap.put(t_s, 20);
    72 
   115 
    73   
   116   */
    74   /*
       
    75   //Marci példája
       
    76   node_iterator s=flow_test.add_node();
       
    77   node_iterator v1=flow_test.add_node();
       
    78   node_iterator v2=flow_test.add_node();
       
    79   node_iterator v3=flow_test.add_node();
       
    80   node_iterator v4=flow_test.add_node();
       
    81   node_iterator t=flow_test.add_node();
       
    82   
       
    83   node_property_vector<list_graph, std::string> node_name(flow_test);
       
    84   node_name.put(s, "s");
       
    85   node_name.put(v1, "v1");
       
    86   node_name.put(v2, "v2");
       
    87   node_name.put(v3, "v3");
       
    88   node_name.put(v4, "v4");
       
    89   node_name.put(t, "t");
       
    90 
   117 
    91   edge_iterator s_v1=flow_test.add_edge(s, v1);
   118 
    92   edge_iterator s_v2=flow_test.add_edge(s, v2);
   119 
    93   edge_iterator v1_v2=flow_test.add_edge(v1, v2);
       
    94   edge_iterator v2_v1=flow_test.add_edge(v2, v1);
       
    95   edge_iterator v1_v3=flow_test.add_edge(v1, v3);
       
    96   edge_iterator v3_v2=flow_test.add_edge(v3, v2);
       
    97   edge_iterator v2_v4=flow_test.add_edge(v2, v4);
       
    98   edge_iterator v4_v3=flow_test.add_edge(v4, v3);
       
    99   edge_iterator v3_t=flow_test.add_edge(v3, t);
       
   100   edge_iterator v4_t=flow_test.add_edge(v4, t);
       
   101   
       
   102   edge_property_vector<list_graph, int> cap(flow_test);  
       
   103   cap.put(s_v1, 16);
       
   104   cap.put(s_v2, 13);
       
   105   cap.put(v1_v2, 10);
       
   106   cap.put(v2_v1, 4);
       
   107   cap.put(v1_v3, 12);
       
   108   cap.put(v3_v2, 9);
       
   109   cap.put(v2_v4, 14);
       
   110   cap.put(v4_v3, 7);
       
   111   cap.put(v3_t, 20);
       
   112   cap.put(v4_t, 4);
       
   113   */ 
       
   114   /*Egyszerű példa
   120   /*Egyszerű példa
   115   node_iterator s=flow_test.add_node();
   121   NodeIt s=flow_test.add_node();
   116   node_iterator v1=flow_test.add_node();
   122   NodeIt v1=flow_test.add_node();
   117   node_iterator v2=flow_test.add_node();
   123   NodeIt v2=flow_test.add_node();
   118   node_iterator t=flow_test.add_node();
   124   NodeIt t=flow_test.add_node();
   119   
   125   
   120   node_property_vector<list_graph, std::string> node_name(flow_test);
   126   node_property_vector<list_graph, std::string> node_name(flow_test);
   121   node_name.put(s, "s");
   127   node_name.put(s, "s");
   122   node_name.put(v1, "v1");
   128   node_name.put(v1, "v1");
   123   node_name.put(v2, "v2");
   129   node_name.put(v2, "v2");
   133   cap.put(v1_v2, 10);
   139   cap.put(v1_v2, 10);
   134   cap.put(v2_t, 4);
   140   cap.put(v2_t, 4);
   135   */
   141   */
   136 
   142 
   137   std::cout << "preflow-push algorithm test..." << std::endl;
   143   std::cout << "preflow-push algorithm test..." << std::endl;
       
   144 
       
   145   /*
   138   std::cout << "on directed graph graph" << std::endl; //<< flow_test;
   146   std::cout << "on directed graph graph" << std::endl; //<< flow_test;
   139   std::cout << "names and capacity values" << std::endl; 
   147   std::cout << "names and capacity values" << std::endl; 
   140   for(each_node_iterator i=flow_test.first_node(); i.valid(); ++i) { 
   148   for(EachNodeIt i=flow_test.first_node(); i.valid(); ++i) { 
   141     std::cout << node_name.get(i) << ": ";
   149     std::cout << node_name.get(i) << ": ";
   142     std::cout << "out edges: ";
   150     std::cout << "out edges: ";
   143     for(out_edge_iterator j=flow_test.first_out_edge(i); j.valid(); ++j) 
   151     for(out_edge_iterator j=flow_test.first_out_edge(i); j.valid(); ++j) 
   144       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
   152       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
   145     std::cout << "in edges: ";
   153     std::cout << "in edges: ";
   146     for(in_edge_iterator j=flow_test.first_in_edge(i); j.valid(); ++j) 
   154     for(in_edge_iterator j=flow_test.first_in_edge(i); j.valid(); ++j) 
   147       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
   155       std::cout << node_name.get(flow_test.tail(j)) << "-"<< cap.get(j) << "->" << node_name.get(flow_test.head(j)) << " ";
   148     std::cout << std::endl;
   156     std::cout << std::endl;
   149   }
   157   }
   150 
   158   */
   151   
   159   
   152   //for(each_node_iterator i=flow_test.first_node(); i.valid(); ++i) { 
   160   //for(each_NodeIt i=flow_test.first_node(); i.valid(); ++i) { 
   153   //  std::cout << i << " ";
   161   //  std::cout << i << " ";
   154   //}
   162   //}
   155   
   163   
   156   preflow_push<list_graph, int> preflow_push_test(flow_test, s, t, cap);
   164   preflow_push<ListGraph, int> preflow_push_test(flowG, s, t, cap);
   157   cout << preflow_push_test.run()<<endl;
   165   cout << preflow_push_test.run()<<endl;
   158 
   166 
   159   //cap.put(v5_t, 9);
   167   //cap.put(v5_t, 9);
   160   //cout << preflow_push_test.run()<<endl;
   168   //cout << preflow_push_test.run()<<endl;
   161 
   169