[Haskell-cafe] Why is toRational a method of Real?
lemming at henning-thielemann.de
Thu Aug 5 07:06:41 EDT 2010
On Thu, 5 Aug 2010, David Virebayre wrote:
> On Thu, Aug 5, 2010 at 11:35 AM, Henning Thielemann
> <lemming at henning-thielemann.de> wrote:
>> What else shall a rounding function return if not integers?
> Getting from 29.84645 to 29.85 isn't rounding ?
Sure, it is, I missed that. Maybe such rounding functions are not provided
in Prelude because, say, rounding to a certain number of decimal places
cannot be computed exactly with binary floating point numbers.
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