[Haskell-cafe] about integer and float operations

[Ross Mellgren]

Prelude> let i2fDiv a b = fromIntegral a / fromIntegral b
Prelude> :t i2fDiv
i2fDiv :: (Integral a, Fractional b, Integral a1) =>
                  a -> a1 -> b
Prelude> 10 `i2fDiv` 3
3.3333333333333335

That what you're looking for?

-Ross

On Feb 4, 2009, at 4:22 PM, Manlio Perillo wrote:

> Manlio Perillo ha scritto:
>> [...]
>> I personally prefer the Python solution, where we have two  
>> operators with the same behaviour over all the numbers.
>> In Haskell, something like
>> (/) :: (Num a, Real b) => a -> a -> b
>
> This should be
> (/) :: (Num a, Fractional b) => a -> a -> b
>
> but I'm not sure it is correct.
>
>> (//) :: (Num a, Integral b) => a -> a -> b
>
>
> Manlio Perillo
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