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Asked: 2026-06-11T10:11:10+00:00

Is there a simple function to round a Double or Float to a specified

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Is there a simple function to round a Double or Float to a specified number of digits? I’ve searched here and on Hoogle (for (Fractional a) => Int -> a -> a), but haven’t found anything.

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1 Answer

  1. Editorial Team

    Not sure whether any standard function exists, but you can do it this way:

     (fromInteger $ round $ f * (10^n)) / (10.0^^n)
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