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[Gcl-devel] scale-float bug in GCL (was Re: [Maxima] asin and acos wrong


From: James Amundson
Subject: [Gcl-devel] scale-float bug in GCL (was Re: [Maxima] asin and acos wrong)
Date: Thu, 02 Oct 2003 07:34:56 -0500

On Wed, 2003-10-01 at 18:23, Wolfgang Jenkner wrote:
> (lisp-implementation-version)
> "GCL-2-5.2000000000000002"
> 
> (scale-float 1.0 -24)
> 1.0

Thank you, Wolfgang. Here's what I see:

New: (prompt changed to %)

%(lisp-implementation-version)
"GCL-2-6.0999999999999996"
%(scale-float 1.0 -24)
1.0

Old:

%(lisp-implementation-version)
"GCL-2-5.0"
%(scale-float 1.0 -24)
5.9604644775390625E-8

So I stand corrected: the problem *is* a bug in GCL.

--Jim







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