diff -r ad44b1dd8013 -r 46b088b01f88 src/lemon/lp_glpk.cc
--- a/src/lemon/lp_glpk.cc	Fri May 20 09:31:25 2005 +0000
+++ b/src/lemon/lp_glpk.cc	Fri May 20 09:43:40 2005 +0000
@@ -68,6 +68,18 @@
   }
 
   
+  void LpGlpk::_eraseCol(int i) {
+    int cols[2];
+    cols[1]=i;
+    lpx_del_cols(lp, 1, cols);
+  }
+  
+  void LpGlpk::_eraseRow(int i) {
+    int rows[2];
+    rows[1]=i;
+    lpx_del_rows(lp, 1, rows);
+  }
+
   void LpGlpk::_setRowCoeffs(int i, 
 			     int length,
 			     const int   * indices,