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Re: [Gcl-devel] [Maxima] Stable Maxima version on Gentoo

From: Camm Maguire
Subject: Re: [Gcl-devel] [Maxima] Stable Maxima version on Gentoo
Date: Sat, 03 Nov 2012 09:42:58 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)


Raymond Toy <address@hidden> writes:

>>>>>> "Camm" == Camm Maguire <address@hidden> writes:
>     Camm> Greetings!
>     Camm> "Stewart W. Wilson" <address@hidden> writes:
>     >> The fix does not seem to be exactly trivial.  Please see the attached
>     >> paper by Steele and White from 1990.
>     >> 
>     Camm> Thanks so much for this reference!
>     Camm> Unfortunately, using up to forty 32bit words in bignum arithmetic to
>     Camm> print out floats looks prohibitively expensive, although the 
> algorithm
>     Camm> does appear to work nicely, at least when coded in lisp.  
> FWIW, cmucl has a lisp implementation of Dybvig's float printer.
> Perhaps that will work for you?

It might very well.  But is there anything objectionable to a loop over
strtod when printing?  Even in corner cases, it appears very fast.

Take care,

> Ray
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Camm Maguire                                        address@hidden
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah

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