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Re: [Chicken-hackers] CR: Division by inexact zero should return infinit


From: Peter Bex
Subject: Re: [Chicken-hackers] CR: Division by inexact zero should return infinity/nan
Date: Wed, 7 Sep 2011 22:01:52 +0200
User-agent: Mutt/1.4.2.3i

On Wed, Aug 24, 2011 at 09:18:44PM +0200, Peter Bex wrote:
> All other Schemes I tested with (Guile, Gauche, Scheme48, Racket and Gambit)
> return +inf.0 for (/ 1.0 0.0) and -inf.0 for (/ -1.0 0.0).
> They return +nan.0 for (/ 0.0 0.0).  Extra data points would be welcome.
> 
> I'd like to open a CR for doing the same in Chicken, to make it behave
> like a good little robot.  If it is accepted, a corresponding change will
> also be made to the "numbers" egg.  The CR has ticket number #672 in Trac.
> 

The voting process has now started.
https://bugs.call-cc.org/ticket/672

Cheers,
Peter
-- 
http://sjamaan.ath.cx
--
"The process of preparing programs for a digital computer
 is especially attractive, not only because it can be economically
 and scientifically rewarding, but also because it can be an aesthetic
 experience much like composing poetry or music."
                                                        -- Donald Knuth



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