diff -r 48b4f46f9d4e -r ad44b1dd8013 src/lemon/lp_base.h
--- a/src/lemon/lp_base.h	Thu May 19 11:53:25 2005 +0000
+++ b/src/lemon/lp_base.h	Fri May 20 09:31:25 2005 +0000
@@ -429,6 +429,7 @@
 			       int length,
                                int  const * indices, 
                                Value  const * values ) = 0;
+    virtual void _setCoeff(int row, int col, Value value) = 0;
     virtual void _setColLowerBound(int i, Value value) = 0;
     virtual void _setColUpperBound(int i, Value value) = 0;
 //     virtual void _setRowLowerBound(int i, Value value) = 0;