diff -r 8de0c1aeeb32 -r bfbb5b30c5b8 src/lemon/lp_base.h
--- a/src/lemon/lp_base.h	Wed Apr 20 14:29:23 2005 +0000
+++ b/src/lemon/lp_base.h	Wed Apr 20 15:06:42 2005 +0000
@@ -434,9 +434,10 @@
     virtual void _setRowLowerBound(int i, Value value) = 0;
     virtual void _setRowUpperBound(int i, Value value) = 0;
     virtual void _setObjCoeff(int i, Value obj_coef) = 0;
-    virtual void _setObj(int length,
-                         int  const * indices, 
-                         Value  const * values ) = 0;
+    virtual void _clearObj()=0;
+//     virtual void _setObj(int length,
+//                          int  const * indices, 
+//                          Value  const * values ) = 0;
     virtual SolveExitStatus _solve() = 0;
     virtual Value _getPrimal(int i) = 0;
     virtual Value _getPrimalValue() = 0;
@@ -449,10 +450,8 @@
     //Constant component of the objective function
     Value obj_const_comp;
     
-    ///\e
-    
-    ///\bug Unimplemented
-    void clearObj() {}
+
+
     
   public:
 
@@ -667,7 +666,7 @@
     ///\param e is a linear expression of type \ref Expr.
     ///\bug The previous objective function is not cleared!
     void setObj(Expr e) {
-      clearObj();
+      _clearObj();
       for (Expr::iterator i=e.begin(); i!=e.end(); ++i)
 	objCoeff((*i).first,(*i).second);
       obj_const_comp=e.constComp();