scale-float bug in GCL (was Re: [Maxima] asin and acos wrong)
Subject: scale-float bug in GCL (was Re: [Maxima] asin and acos wrong)
From: James Amundson
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