[Haskell-cafe] Directed rounding in haskell ?

[Sterling Clover]

You can set the rounding mode directly with ieee-utils.

Apparently it doesn't compile anymore, so someone has uploaded a 
temporary replacement: 
http://hackage.haskell.org/package/ieee-utils-tempfix-0.4.0.1

The primary maintainer of the original package left the haskell 
community some time ago. (I contributed some additional code many years 
ago). Michal Konecny -- would you be interested in taking over 
maintainership?

-s

On 4/7/14, 10:12 AM, Dominik Peteler 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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