diff -r 567f392d1d2e -r 3268fef5d623 src/work/akos/simann_demo.cc
--- a/src/work/akos/simann_demo.cc	Sun Nov 28 16:30:10 2004 +0000
+++ b/src/work/akos/simann_demo.cc	Mon Nov 29 15:30:11 2004 +0000
@@ -4,7 +4,8 @@
 
 class MyEntity {
 public:
-  double mutate() { return 10.0; }
+  double getCost() { return 10.0; }
+  void mutate() {}
   void revert() {}
 };