[racket] 80-bit precision in Racket

Seems to me that Moore and Rather used Moore's FORTH at the National Radio
Astronomy Observatory before they started Forth Inc. So you might say that
FORTH is a 'natural' for Astronomy!

--hsm


On Wed, Nov 14, 2012 at 6:00 AM, Dmitry Pavlov <dpavlov at ipa.nw.ru> wrote:

> Hendrik,
>
> > Is it conceivable that you need multiple-precision fixed-point?
>
> If would be OK in terms of numerical accuracy, but
> I feel that it would not be good in terms of performance.
>
> See the description for Neil Toronto's interface to MPFR:
>
> https://github.com/ntoronto/racket/blob/master/collects/math/scribblings/math-bigfloat.scrbl
>
> "Bigfloat functions can be hundreds to thousands of times slower than
> flonum functions."
>
> Best regards,
>
> Dmitry
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