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[Octave-bug-tracker] [bug #53433] tests: eigs.m: two failing tests on i6
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From: |
Marco Caliari |
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Subject: |
[Octave-bug-tracker] [bug #53433] tests: eigs.m: two failing tests on i686 |
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Date: |
Fri, 23 Mar 2018 06:33:24 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0 |
Follow-up Comment #1, bug #53433 (project octave):
@Mike: what do you mean by "built for i686"? Did you use explicit flags for
it?
Anyway, I cannot reproduce, but I have already seen different behaviors
depending on BLAS. I do not know how to have a test in which ARPACK fails (aka
does not find all eigenvalues) on any platform/blas/flags. I propose the
following: what happens if you run the test with
d = eigs (A, 8, "lm", opts); % 8 instead of 4
Do you see any NaN in the result? If yes, I would modify the assert. And wait
for the next counterexample.
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