On Wed, 2011-09-21 at 01:23 +0200, Daniel Fischer wrote: > On Wednesday 21 September 2011, 00:38:12, Maciej Marcin Piechotka wrote: > > +1 for: > > > > class Eq a => IEEEEq a where > > (<.) :: a -> a -> Bool > > (>.) :: a -> a -> Bool > > > > Regards > > -1 for the class name, too easy to miscount the Es. >
s/for:/for something like/ > And perhaps it would be better to add the IEEE compliant(?) comparisons to > the RealFloat class. > > class (RealFrac a, Floating a) => RealFloat a where > ... -- lots of stuff we already have > (==.) :: a -> a -> Bool > (<.) :: a -> a -> Bool > ... > > However, I don't particularly like adding just a dot, that's too easily > overlooked. On the other hand, I don't have a compelling idea either. > (.==.), (.<.) would at least double the chances to spot the difference. > > Anyway, +1 for an Ord instance with a total order (consistent with the > natural order where applicable) and putting the IEEE comparisons somewhere > else.
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