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Re: Differing results on right division
From: |
Damian Philipp |
Subject: |
Re: Differing results on right division |
Date: |
Thu, 09 Jun 2011 13:59:54 +0200 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.2.17) Gecko/20110414 Lightning/1.0b2 Thunderbird/3.1.10 |
Hello Octave-Gurus,
I changed my implementation from using itpp to using liboctave (3.2.4,
but I get the same issues on 3.4.0). As there is no useable
operator/(Matrix, Matrix) -- gcc complains about an ambiguous overload
-- I again had to lift code from the octave sources. However, this time
I only had to copy xdiv(Matrix, Matrix), no work on any Matrix::*solve
was done.
And now guess what - I _still_ get differing results in Octave and my
program, even on identical input values.
Both used the same compiler, same atlas/lapack/... and are running on
the same machine. I have no more ideas left on how to debug this. Do you
have any expert input for me on this?
Regards,
Damian Philipp
--
University of Stuttgart, IPVS phone: +49 711 685-88339
Distributed Systems Group www.ipvs.uni-stuttgart.de
Universitaetsstrasse 38 address@hidden
D-70569 Stuttgart, Germany