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Re: octave or atlas bug?


From: Dirk Eddelbuettel
Subject: Re: octave or atlas bug?
Date: Sat, 28 Feb 2004 09:30:38 -0600
User-agent: Mutt/1.3.28i

On Sat, Feb 28, 2004 at 04:18:55PM +0100, Eric Chassande-Mottin wrote:
> i get weird and annoying panic errors on my laptop when running the
> following commands :
> 
> octave2.1:1> 1/ones(5,1)
> panic: Illegal instruction -- stopping myself...
> 
> octave2.1:1> svd(hilb(3))
> panic: Illegal instruction -- stopping myself...
> 
> octave2.1:1> which svd
> svd is the dynamically-linked function from the file
> /usr/lib/octave/2.1.35/oct/i386-pc-linux-gnu/svd.oct
> 
> octave2.1:1> rank(hilb(3))
> panic: Illegal instruction -- stopping myself...
> 
> octave2.1:2> which rank
> rank is the user-defined function from the file
> /usr/share/octave/2.1.35/m/linear-algebra/rank.m
> 
> i have Debian woody 3.1 (stable) installed
> and since i have a CPU: AMD-K6(tm) 3D processor stepping 0c
> i installed atlas2-3dnow
> 
> i could not reproduce these errors on a PC with different
> CPU and not using altas.
> 
> any hint? could this come from atlas lib?

One way to find out would be to de-install Atlas and try the normal
(unoptimised) blas.

Dirk

-- 
The relationship between the computed price and reality is as yet unknown.  
                                             -- From the pac(8) manual page



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