diff -r d8475431bbbb -r 8e85e6bbefdf src/demo/lp_maxflow_demo.cc
--- a/src/demo/lp_maxflow_demo.cc	Sat May 21 21:04:57 2005 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,86 +0,0 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include<lemon/graph_reader.h>
-#include<lemon/list_graph.h>
-
-
-#ifdef HAVE_GLPK
-#include <lemon/lp_glpk.h>
-#elif HAVE_CPLEX
-#include <lemon/lp_cplex.h>
-#endif
-
-using namespace lemon;
-
-#ifdef HAVE_GLPK
-typedef LpGlpk LpDefault;
-#elif HAVE_CPLEX
-typedef LpCplex LpDefault;
-#endif
-
-
-template<class G,class C>
-double maxFlow(const G &g,const C &cap,typename G::Node s,typename G::Node t)
-{
-  LpDefault lp;
-  
-  typedef G Graph;
-  typedef typename G::Node Node;
-  typedef typename G::NodeIt NodeIt;
-  typedef typename G::Edge Edge;
-  typedef typename G::EdgeIt EdgeIt;
-  typedef typename G::OutEdgeIt OutEdgeIt;
-  typedef typename G::InEdgeIt InEdgeIt;
-  
-  typename G::template EdgeMap<LpDefault::Col> x(g);
-  lp.addColSet(x);
-  
-  for(EdgeIt e(g);e!=INVALID;++e) {
-    lp.colUpperBound(x[e],cap[e]);
-    lp.colLowerBound(x[e],0);
-  }
-
-  for(NodeIt n(g);n!=INVALID;++n) if(n!=s&&n!=t) {
-    LpDefault::Expr ex;
-    for(InEdgeIt  e(g,n);e!=INVALID;++e) ex+=x[e];
-    for(OutEdgeIt e(g,n);e!=INVALID;++e) ex-=x[e];
-    lp.addRow(ex==0);
-  }
-  {
-    LpDefault::Expr ex;
-    for(InEdgeIt  e(g,t);e!=INVALID;++e) ex+=x[e];
-    for(OutEdgeIt e(g,t);e!=INVALID;++e) ex-=x[e];
-    lp.setObj(ex);
-  }
-  lp.max();
-
-#ifdef HAVE_GLPK
-  lp.presolver(true);
-  lp.messageLevel(3);
-#endif
-
-  lp.solve();
-
-  return lp.primalValue();
-}
-
-int main() 
-{
-  ListGraph g;
-  ListGraph::Node s;
-  ListGraph::Node t;
-  
-  ListGraph::EdgeMap<double> cap(g);
-  
-  GraphReader<ListGraph> reader(std::cin,g);
-  reader.readNode("source",s).readNode("target",t)
-    .readEdgeMap("capacity",cap).run();
-  
-  // std::ifstream file("../test/preflow_");
-//   readDimacs(file, g, cap, s, t);
-
-  std::cout << "Max flow value = " << maxFlow(g,cap,s,t) << std::endl;
-
-}