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

From: Marco Caliari
Subject: [Octave-bug-tracker] [bug #53700] eigs test failure related to ARPACK generating real NaN rather than complex NaN+1i*NaN
Date: Fri, 20 Apr 2018 02:50:33 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0

Follow-up Comment #13, bug #53700 (project octave):

There is already a test in eigs of type

%! if (isreal (d))
%!   assert (d(4), NaN);
%! else
%!   assert (d(4), NaN +1i*NaN);
%! endif

Look for bug #49523, starting from comment #41. It was a blas-dependent
result. So, the easy fix is to introduce if-else-endif in this test, too.

@Dmitri: can you check with different blas versions (ref, openblas, atlas)?


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