[Haskell-cafe] Re: Double -> CDouble, realToFrac doesn't work

Dylan Thurston dpt at lotus.bostoncoop.net
Fri Nov 5 14:48:22 EST 2004


On Fri, Nov 05, 2004 at 02:53:01PM +0000, MR K P SCHUPKE wrote:
> >My guess is because irrationals can't be represented on a discrete computer
> 
> Well, call it arbitrary precision floating point then. Having built in 
> Integer support, it does seem odd only having Float/Double/Rational...

There are a number of choices to be made in making such an
implementation.  It would be handy, but it makes sense that it's more
than the Haskell designers wanted to specify initially.

It would make a nice library if you want to write it.

Peace,
	Dylan
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