[Haskell-cafe] Converting from Int to Double
Jorge Adriano Aires
jadrian at mat.uc.pt
Wed Jan 26 16:09:17 EST 2005
> >> How can I convert an Int into a Double?
> > You don't convert to, you convert from :-)
> > The function 'fromIntegral' is probably what you want.
> And what function can I use to convert from Double to Int (the inverse of
> fromIntegral) ?
Use the functions in the RealFrac class.
class (Real a, Fractional a) => RealFrac a where
properFraction :: (Integral b) => a -> (b,a)
truncate, round :: (Integral b) => a -> b
ceiling, floor :: (Integral b) => a -> b
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