[Haskell-cafe] Directed rounding in haskell ?

Alp Mestanogullari alpmestan at gmail.com
Thu Apr 10 14:15:51 UTC 2014

Maybe these packages could be relevant/useful:
- https://github.com/ekmett/rounded
- https://github.com/ekmett/intervals

On Mon, Apr 7, 2014 at 4:12 PM, Dominik Peteler <haskell at with-h.at> wrote:

> Hello list,
> I'm going to implement an interval arithmetic library (following the IEEE
> P1788) in Haskell and for
> that I need support for directed rounding to the nearest floating point
> number. I had a quick look at the Decimal package which comes with the
> `roundTo` function for rounding to a specified number of decimal places
> but it doesn't provide directed rounding.
> Is there way to get directed rounding to to the nearest float (maybe
> even with machine floats) ?
> I'm also aware of the AERN-* packages but they seem to be unmaintained. At
> least there is no version which builds with the current GHC. Does
> anybody know something about that ?
> Regards
> dominik
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Alp Mestanogullari
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