I wonder what language they were using...
RL
http://www.ft.com/cms/s/0/65892340-9...nclick_check=1
The bug spotted over the Christmas holiday didn’t have a big impact
on
CPDO ratings. But another bug, spotted soon after, did. A single
small
error in the computer coding that Moody’s used to run its CPDO
performance simulation had thrown the results way off. When the error
was corrected, the likelihood of CPDO default increased
significantly.
CPDOs, it turned out, weren’t triple-A products at all. Preliminary
results suggested the error could have increased the rating by as
many
as four notches.
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