[Haskell-cafe] Mixed-type arithmetic, or type coercion

[Henk-Jan van Tuyl]

On Tue, 13 Mar 2007 21:41:00 +0100, Dave Hinton <beakerchu at googlemail.com>
wrote:

> how do I coerce a value from being an Int to being a Double?
>

> calc :: Int -> Double -> Double
> calc count weight = count * weight
>

Use:
    calc count weight = fromIntegral count * weight

If you want an Int result, use:
    calc count weight = count * round weight

-- 
Met vriendelijke groet,
Henk-Jan van Tuyl


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