[racket] 80-bit precision in Racket

From: Hugh Myers (hsmyers at gmail.com)
Date: Wed Nov 14 09:16:14 EST 2012

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!


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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>   http://lists.racket-lang.org/users
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