1.1 --- a/src/demo/lp_demo.cc	Fri Apr 15 20:26:01 2005 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,68 +0,0 @@
     1.4 -#include<lemon/lp_glpk.h>
     1.5 -#include<lemon/graph_reader.h>
     1.6 -#include<lemon/list_graph.h>
     1.7 -
     1.8 -using namespace lemon;
     1.9 -
    1.10 -template<class G,class C>
    1.11 -double maxFlow(const G &g,const C &cap,typename G::Node s,typename G::Node t)
    1.12 -{
    1.13 -  LpGlpk lp;
    1.14 -  
    1.15 -  typedef G Graph;
    1.16 -  typedef typename G::Node Node;
    1.17 -  typedef typename G::NodeIt NodeIt;
    1.18 -  typedef typename G::Edge Edge;
    1.19 -  typedef typename G::EdgeIt EdgeIt;
    1.20 -  typedef typename G::OutEdgeIt OutEdgeIt;
    1.21 -  typedef typename G::InEdgeIt InEdgeIt;
    1.22 -  
    1.23 -  typename G::template EdgeMap<LpGlpk::Col> x(g);
    1.24 -  lp.addColSet(x);
    1.25 -  
    1.26 -  for(EdgeIt e(g);e!=INVALID;++e) {
    1.27 -    lp.colUpperBound(x[e],cap[e]);
    1.28 -    lp.colLowerBound(x[e],0);
    1.29 -  }
    1.30 -
    1.31 -  for(NodeIt n(g);n!=INVALID;++n) if(n!=s&&n!=t) {
    1.32 -    LpGlpk::Expr ex;
    1.33 -    for(InEdgeIt  e(g,n);e!=INVALID;++e) ex+=x[e];
    1.34 -    for(OutEdgeIt e(g,n);e!=INVALID;++e) ex-=x[e];
    1.35 -    lp.addRow(ex==0);
    1.36 -  }
    1.37 -  {
    1.38 -    LpGlpk::Expr ex;
    1.39 -    for(InEdgeIt  e(g,t);e!=INVALID;++e) ex+=x[e];
    1.40 -    for(OutEdgeIt e(g,t);e!=INVALID;++e) ex-=x[e];
    1.41 -    lp.setObj(ex);
    1.42 -  }
    1.43 -  lp.max();
    1.44 -
    1.45 -  lp.presolver(true);
    1.46 -  
    1.47 -  lp.messageLevel(3);
    1.48 -
    1.49 -  lp.solve();
    1.50 -
    1.51 -  return lp.primalValue();
    1.52 -}
    1.53 -
    1.54 -int main() 
    1.55 -{
    1.56 -  ListGraph g;
    1.57 -  ListGraph::Node s;
    1.58 -  ListGraph::Node t;
    1.59 -  
    1.60 -  ListGraph::EdgeMap<double> cap(g);
    1.61 -  
    1.62 -  GraphReader<ListGraph> reader(std::cin,g);
    1.63 -  reader.addNode("source",s).addNode("target",t)
    1.64 -    .addEdgeMap("capacity",cap).run();
    1.65 -  
    1.66 -  // std::ifstream file("../test/preflow_");
    1.67 -//   readDimacs(file, g, cap, s, t);
    1.68 -
    1.69 -  std::cout << "Max flow value = " << maxFlow(g,cap,s,t) << std::endl;
    1.70 -
    1.71 -}