[Haskell-cafe] Re: 0/0 > 1 == False
barsoap at web.de
Thu Jan 10 15:24:34 EST 2008
John Meacham <john at repetae.net> wrote:
> On Thu, Jan 10, 2008 at 11:17:18AM +0200, Yitzchak Gale wrote:
> > The special case of 1/0 is less clear, though. One might
> > decide that it should be an error rather than NaN, as some
> > languages have.
> It is neither,
> 1/0 = Infinity
> -1/0 = -Infinity
Just out of curiosity:
1/-0 = -Infinity?
-1/-0 = Infinity?
If you don't have two separate values for nothing, one approaching from
negativeness and one from positiveness, defining the result to be
infinite instead of NaN makes no sense IMHO.
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