[Haskell-cafe] Set of reals...?

MR K P SCHUPKE k.schupke at imperial.ac.uk
Fri Oct 29 08:31:17 EDT 2004

>Keith Wansbrough wrote:

>>Which brings me to a question: is there a better way to write -inf and
>>+inf in Haskell than "-1/0" and "1/0"?

Why not do it with types:

	data InfDbl = Dbl Double | PositiveInfinity | NegativeInfinity


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