1.1 --- a/src/work/jacint/preflow_hl4.cc	Mon Mar 01 17:24:34 2004 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,76 +0,0 @@
     1.4 -#include <iostream>
     1.5 -#include <fstream>
     1.6 -
     1.7 -#include <list_graph.hh>
     1.8 -#include <dimacs.hh>
     1.9 -#include <preflow_hl4.h>
    1.10 -#include <time_measure.h>
    1.11 -
    1.12 -using namespace hugo;
    1.13 -
    1.14 -//Note, that preflow_hl4.h has a member NodeMap<bool> cut, 
    1.15 -//the construction of which slowing the running time by 1-10%.
    1.16 -
    1.17 -// Use a DIMACS max flow file as stdin.
    1.18 -// read_dimacs_demo < dimacs_max_flow_file
    1.19 -int main(int, char **) {
    1.20 -  typedef ListGraph::NodeIt NodeIt;
    1.21 -  typedef ListGraph::EachEdgeIt EachEdgeIt;
    1.22 -
    1.23 -  ListGraph G;
    1.24 -  NodeIt s, t;
    1.25 -  ListGraph::EdgeMap<int> cap(G);
    1.26 -  readDimacsMaxFlow(std::cin, G, s, t, cap);
    1.27 -
    1.28 -  std::cout << "preflow_hl4 demo ..." << std::endl;
    1.29 -  
    1.30 -  double mintime=1000000;
    1.31 -
    1.32 -  for ( int i=1; i!=11; ++i ) {
    1.33 -    double pre_time=currTime();
    1.34 -    preflow_hl4<ListGraph, int> max_flow_test(G, s, t, cap);
    1.35 -    double post_time=currTime();
    1.36 -    if ( mintime > post_time-pre_time ) mintime = post_time-pre_time;
    1.37 -  }
    1.38 -
    1.39 -  double pre_time=currTime();
    1.40 -  preflow_hl4<ListGraph, int> max_flow_test(G, s, t, cap);
    1.41 -  double post_time=currTime();
    1.42 -     
    1.43 -  ListGraph::NodeMap<bool> cut(G);
    1.44 -  max_flow_test.minCut(cut); 
    1.45 -  int min_cut_value=0;
    1.46 -  for(EachEdgeIt e=G.first<EachEdgeIt>(); e.valid(); ++e) {
    1.47 -    if (cut.get(G.tail(e)) && !cut.get(G.head(e))) min_cut_value+=cap.get(e);
    1.48 -  }
    1.49 -
    1.50 -  ListGraph::NodeMap<bool> cut1(G);
    1.51 -  max_flow_test.minMinCut(cut1); 
    1.52 -  int min_min_cut_value=0;
    1.53 -  for(EachEdgeIt e=G.first<EachEdgeIt>(); e.valid(); ++e) {
    1.54 -    if (cut.get(G.tail(e)) && !cut.get(G.head(e))) 
    1.55 -      min_min_cut_value+=cap.get(e);
    1.56 -  }
    1.57 -
    1.58 -  ListGraph::NodeMap<bool> cut2(G);
    1.59 -  max_flow_test.maxMinCut(cut2); 
    1.60 -  int max_min_cut_value=0;
    1.61 -  for(EachEdgeIt e=G.first<EachEdgeIt>(); e.valid(); ++e) {
    1.62 -    if (cut2.get(G.tail(e)) && !cut2.get(G.head(e))) 
    1.63 -      max_min_cut_value+=cap.get(e);
    1.64 -  }
    1.65 -  
    1.66 -  std::cout << "min time of 10 runs: " << mintime << " sec"<< std::endl; 
    1.67 -  std::cout << "phase 0: " << max_flow_test.time-pre_time 
    1.68 -	    << " sec"<< std::endl; 
    1.69 -  std::cout << "phase 1: " << post_time-max_flow_test.time 
    1.70 -	    << " sec"<< std::endl; 
    1.71 -  std::cout << "flow value: "<< max_flow_test.maxFlow() << std::endl;
    1.72 -  std::cout << "min cut value: "<< min_cut_value << std::endl;
    1.73 -  std::cout << "min min cut value: "<< min_min_cut_value << std::endl;
    1.74 -  std::cout << "max min cut value: "<< max_min_cut_value << 
    1.75 -    std::endl<< std::endl;
    1.76 -
    1.77 -  
    1.78 -  return 0;
    1.79 -}