#3304: define gcd 0 0 = 0
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Reporter: stevec | Owner:
Type: proposal | Status: closed
Priority: normal | Milestone: 7.2.1
Component: libraries/base | Version: 7.1
Resolution: fixed | Keywords:
Testcase: | Blockedby:
Difficulty: Unknown | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: None/Unknown |
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Comment(by daniel.is.fischer):
I'd prefer wrapping to overflow for all of div, mod, quot, rem, but see
#1042, #2166, #3065 for why things are as they are. If #3065 is resolved
by changing the behaviour to wrapping,
{{{
gcd x y = abs (gcd' x y)
}}}
would be my choice.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3304#comment:22>
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