diff -r ebdce4f68ac4 -r 8de0c1aeeb32 src/lemon/lp_base.h
--- a/src/lemon/lp_base.h	Tue Apr 19 14:15:01 2005 +0000
+++ b/src/lemon/lp_base.h	Wed Apr 20 14:29:23 2005 +0000
@@ -434,6 +434,9 @@
     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 SolveExitStatus _solve() = 0;
     virtual Value _getPrimal(int i) = 0;
     virtual Value _getPrimalValue() = 0;