[Haskell-cafe] Uncertainty analysis library?

[Henning Thielemann]

On Sun, 20 Mar 2011, Edward Amsden wrote:

> Hi cafe,
>
> I'm looking for a library that provides an instance of Num,
> Fractional, Floating, etc, but carries uncertainty values through
> calculations. A scan of hackage didn't turn anything up. Does anyone
> know of a library like this?

Do you mean exact bounds, that is, interval arithmetic? Or do you mean 
rough estimates of the uncertainty - this might be related to automatic 
differentiation.