[Haskell-cafe] Re: 0/0 > 1 == False

[Achim Schneider]

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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