src/work/marci/graph_wrapper_time.cc
author marci
Tue, 31 Aug 2004 17:54:22 +0000
changeset 777 a82713ed19f3
parent 773 ce9438c5a82d
child 784 a48964a87141
permissions -rw-r--r--
graph_wrapper.h is ready for hugo 0.2
     1 // -*- c++ -*-
     2 
     3 // Use a DIMACS max flow file as follows:
     4 // graph_wrapper_time dimacs_max_flow_file
     5 
     6 #include <iostream>
     7 #include <fstream>
     8 #include <string>
     9 #include <vector>
    10 #include <hugo/invalid.h>
    11 #include <hugo/time_measure.h>
    12 #include <hugo/graph_wrapper.h>
    13 #include <hugo/max_flow.h>
    14 #include <hugo/dimacs.h>
    15 #include <hugo/list_graph.h>
    16 
    17 using namespace hugo;
    18 
    19 using std::cout;
    20 using std::endl;
    21 
    22 template<typename Graph>
    23 void timeTest(std::string str, Graph& g) {
    24   g.clear();
    25   typename Graph::Node s;
    26   typename Graph::Node t;
    27   typedef typename Graph::template EdgeMap<int> FlowMap;
    28   FlowMap cap(g);
    29   FlowMap flow(g);
    30   std::ifstream is(str.c_str());
    31   readDimacs(is, g, cap, s, t);
    32   Timer ts;
    33   ts.reset();
    34 
    35   typedef MaxFlow<Graph, int, FlowMap, FlowMap> MyMaxFlow;
    36   MyMaxFlow max_flow(g, s, t, cap, flow);
    37   max_flow.run(MyMaxFlow::NO_FLOW);
    38   cout << ts << endl;
    39 }
    40 
    41 int main(int, char** argv) {
    42    std::string in=argv[1];
    43 
    44   typedef ListGraph Graph; 
    45   Graph g;
    46   timeTest<Graph>(in, g);
    47   typedef GraphWrapper<Graph> Graph1;
    48   Graph1 g1(g);
    49   timeTest<Graph1>(in, g1);
    50   typedef GraphWrapper<Graph1> Graph2;
    51   Graph2 g2(g1);
    52   timeTest<Graph2>(in, g2);
    53   typedef GraphWrapper<Graph2> Graph3;
    54   Graph3 g3(g2);
    55   timeTest<Graph3>(in, g3);
    56   typedef GraphWrapper<Graph3> Graph4;
    57   Graph4 g4(g3);
    58   timeTest<Graph4>(in, g4);
    59   typedef GraphWrapper<Graph4> Graph5;
    60   Graph5 g5(g4);
    61   timeTest<Graph5>(in, g5);
    62   typedef GraphWrapper<Graph5> Graph6;
    63   Graph6 g6(g5);
    64   timeTest<Graph6>(in, g6);  
    65   typedef GraphWrapper<Graph6> Graph7;
    66   Graph7 g7(g6);
    67   timeTest<Graph7>(in, g7);
    68 
    69   return 0;
    70 }