Fix deltaCN calculation
Fix deltaCN calculation

Ignore-this: eb664d07bede31aae65777164faf750e

darcs-hash:20090510005801-9241b-05b24d71be435fc0b4500e4271829abd9c8c37e0.gz

tmcdonell/hfx,tmcdonell/hfx,tmcdonell/hfx