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[Octave-bug-tracker] [bug #35021] Floating point exception on matrix mul

From: Melvin Robinson
Subject: [Octave-bug-tracker] [bug #35021] Floating point exception on matrix multiplication
Date: Fri, 09 Dec 2011 13:51:44 +0000
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:9.0) Gecko/20100101 Firefox/9.0

Follow-up Comment #6, bug #35021 (project octave):

I rebuilt Octave against the same version of ATLAS (3.9.56); however, I built
it against the serial libraries instead of the parallel ones.  The problem
does not occur when doing this.

Does this indicate a problem with ATLAS? If so, the Octave interpreter should
send the same matrices to the ATLAS routines when computing X'*X as (X+0)'*X,
shouldn't it?

If there is a problem with ATLAS I would like to get as much information to
those folks as possible so how can I get some low level (debug) information to


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