diff -r 63d293ff1bef -r ab368e0ab662 lemon/mip_glpk.cc
--- a/lemon/mip_glpk.cc	Mon Jul 17 09:31:41 2006 +0000
+++ b/lemon/mip_glpk.cc	Mon Jul 17 11:56:17 2006 +0000
@@ -29,20 +29,30 @@
   MipGlpk::MipGlpk() {
     lpx_set_class(lp,LPX_MIP);
   }
-  
-  void MipGlpk::_integer(int i, bool enable){
-    if(enable){
-      lpx_set_col_kind(lp,i,LPX_IV);
-    }else{
-      lpx_set_col_kind(lp,i,LPX_CV);
+
+  void MipGlpk::_colType(int i, ColTypes col_type){
+    switch (col_type){
+      case INTEGER:
+	lpx_set_col_kind(lp,i,LPX_IV);
+	break;
+      case REAL:
+	lpx_set_col_kind(lp,i,LPX_CV);
+	break;
+      default:
+        //FIXME problem
     }
   }
   
-  bool MipGlpk::_integer(int i){
-    if(LPX_IV == lpx_get_col_kind(lp,i)){
-      return true;
+  ColTypes MipGlpk::_colType(int i){
+    switch (lpx_get_col_kind(lp,i)){
+    case LPX_IV:
+      return INTEGER;//Or binary
+    case LPX_CV:
+      return REAL;
+    default:
+      return REAL;//Error!
     }
-    return false;
+    
   }
   
   LpGlpk::SolveExitStatus MipGlpk::_solve(){