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Re: [Gcl-devel] printing IEEE 754 special values (inf, nan)

From: Camm Maguire
Subject: Re: [Gcl-devel] printing IEEE 754 special values (inf, nan)
Date: 29 Jun 2005 18:16:36 -0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Greetings!  I could probably implement 'Inf' an 'NaN' as the print
forms of these float pretty trivially -- the question is whether the
reader must be modified to read them in, and what are the compliance
issues if any.

Take care,

Robert Dodier <address@hidden> writes:

> Hello,
> I am using GCL 2.6.6 on linux. I find that GCL 
> apparently can compute IEEE 754 special values, 
> but then it complains when the number is to be printed
> on the console.
> E.g. (* 1e300 1e300) succeeds, so far as I can tell,
> and yields IEEE 754 infinity. However, then there is
> an error message about printing the result.
> What needs to be modified in GCL in order to make 
> floating point inf and nan (not a number) printable?
> Thanks for any insights.
> Robert Dodier
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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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