diff -r cd8897f67c26 -r 73e0c8207e11 demo/mip_test.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demo/mip_test.cc	Mon Jul 17 09:10:19 2006 +0000
@@ -0,0 +1,50 @@
+#include <lemon/lp.h>
+//#include <lemon/ilp_glpk.h>
+
+using namespace lemon;
+
+int main(){
+
+  //MipGlpk ilp;
+
+   Mip ilp;
+
+    
+  typedef Mip::Row Row;
+  typedef Mip::Col Col;
+  
+  ilp.max();
+  
+  Col x1 = ilp.addCol();
+  Col x2 = ilp.addCol();
+  Col x3 = ilp.addCol();
+  
+  ilp.integer(x1,true);
+  ilp.integer(x2,true);
+  ilp.integer(x3,true);
+  
+  ilp.addRow(x1+x2+x3 <=100);  
+  ilp.addRow(10*x1+4*x2+5*x3<=600);  
+  ilp.addRow(2*x1+2*x2+6*x3<=300); 
+  
+  ilp.colLowerBound(x1, 0);
+  ilp.colLowerBound(x2, 0);
+  ilp.colLowerBound(x3, 0);
+  //Objective function
+  ilp.setObj(10*x1+6*x2+4*x3);
+  
+  //Call the routine of the underlying LP solver
+  ilp.solve();
+  
+  //Print results
+  if (ilp.primalStatus()==LpSolverBase::OPTIMAL){
+    std::cout<<"Optimal solution found!"<<std::endl;
+    printf("optimum value = %g; x1 = %g; x2 = %g; x3 = %g\n", 
+           ilp.primalValue(), 
+           ilp.primal(x1), ilp.primal(x2), ilp.primal(x3));
+  }
+  else{
+    std::cout<<"Optimal solution not found!"<<std::endl;
+  }
+
+}