Re: Matrix inverses are illegal on K6-2 ?

[Dmitri A. Sergatskov]

I suspect that atlas lib may have been optimized for i686 arch.
K6-2 does not implement entire i686 instruction set.
In any case this is question for *ubuntu packager.

Sincerely,

Dmitri.

On 6/10/06, Tom Williams <address@hidden> wrote:
> atlas3-base 3.6.0-20 is installed. I checked on my other computer (on which
> matrix inverses actually work, and that is all it has installed too).
>
> What makes me think that it might be processor specific is that the same
> method of installation on a different (and newer) computer resulted in a
> system that actually works. For both computers I just used synaptic.
>
> >From: Thomas Weber <address@hidden>
> >To: address@hidden
> >Subject: Re: Matrix inverses are illegal on K6-2 ?
>
>
> >Date: Sat, 10 Jun 2006 21:15:59 +0200
> >
> >Hi,
> >
> >Am Samstag, den 10.06.2006, 12:08 -0600 schrieb Tom Williams:
> > > Simple matrix operations like trace and transpose will work, but the
> > > determinant or inverse of even a 2x2 matrix results in:
> > >
> > > panic: Illegal instruction -- stopping myself...
> > > attempting to save variables to 'octave-core'...
> > > save to 'octave-core' complete
> >
> >This sounds like a library problem. Which blas libraries (look for ATLAS
> >in your package manager) are installed?
> >
> >
> > > I'm just wondering if this is a processor issue, or if there is some way
> >I
> > > can fix this.
> >
> >Did you compile Octave yourself? If not, file a bug in Xubuntu's bug
> >tracking system.
> >
> >       Thomas
> >
> >_______________________________________________
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>
>
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