diff -r 48ecc4feb42b -r bfcaad2b84e8 lemon/lp_glpk.cc
--- a/lemon/lp_glpk.cc	Thu Jan 11 22:08:18 2007 +0000
+++ b/lemon/lp_glpk.cc	Fri Jan 12 16:29:06 2007 +0000
@@ -526,6 +526,9 @@
 
   LpGlpk::SolveExitStatus LpGlpk::_solve()
   {
+    // A way to check the problem to be solved
+    //lpx_write_cpxlp(lp,"naittvan.cpx");    
+
     int i =  lpx_simplex(lp);
     switch (i) {
     case LPX_E_OK: