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!<div><br></div><div>--hsm</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Nov 14, 2012 at 6:00 AM, Dmitry Pavlov <span dir="ltr"><<a href="mailto:dpavlov@ipa.nw.ru" target="_blank">dpavlov@ipa.nw.ru</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hendrik,<br>
<div class="im"><br>
> Is it conceivable that you need multiple-precision fixed-point?<br>
<br>
</div>If would be OK in terms of numerical accuracy, but<br>
I feel that it would not be good in terms of performance.<br>
<br>
See the description for Neil Toronto's interface to MPFR:<br>
<a href="https://github.com/ntoronto/racket/blob/master/collects/math/scribblings/math-bigfloat.scrbl" target="_blank">https://github.com/ntoronto/racket/blob/master/collects/math/scribblings/math-bigfloat.scrbl</a><br>
<br>
"Bigfloat functions can be hundreds to thousands of times slower than<br>
flonum functions."<br>
<br>
Best regards,<br>
<br>
Dmitry<br>
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