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[Octave-bug-tracker] [bug #53700] eigs test failure related to ARPACK ge

From: Mike Miller
Subject: [Octave-bug-tracker] [bug #53700] eigs test failure related to ARPACK generating real NaN rather than complex NaN+1i*NaN
Date: Thu, 19 Apr 2018 13:37:01 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0

Follow-up Comment #4, bug #53700 (project octave):

I don't think you need to post on a bunch of other bugs, this is a relatively
minor and well-contained issue.

What you can do is post whether your system is 32-bit or 64-bit, whether you
are using BLAS or ATLAS or OpenBLAS with Octave, and whether you have
configured Octave for 64-bit indexing or not.

Then if you want to debug this, you can step into the '__eigs__' function with
gdb and see where the results you are getting diverge from another system
where this test does not fail.


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