diff -r a263c131e999 -r 932b8490caf0 lemon/lp_cplex.cc
--- a/lemon/lp_cplex.cc	Thu Nov 10 12:41:33 2005 +0000
+++ b/lemon/lp_cplex.cc	Sun Nov 13 20:01:17 2005 +0000
@@ -267,6 +267,13 @@
     CPXgetx(env, lp, &x, i, i);
     return x;
   }
+
+  LpCplex::Value LpCplex::_getDual(int i)
+  {
+    Value y;
+    CPXgety(env, lp, &y, i, i);
+    return y;
+  }
   
   LpCplex::Value LpCplex::_getPrimalValue()
   {