[Octave-bug-tracker] [bug #58926] Octave gives wrong results with intel-mkl when diagonalizing large matrices

[Kai Torben Ohlhus]

Update of bug #58926 (project octave):

              Item Group:                    None => Incorrect Result       

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Follow-up Comment #10:

Regarding comment #6: Thank you for sharing your knowledge.

Regarding comment #8: Thank you for testing the workaround of comment #6.

I agree that Octave should better inform Intel MKL users.  Do you have
suggestions were to add this information?  If you know a suitable wiki
location, please go ahead and add this information (everybody is an author)
😉

On the other hand, I do not think that this is a severe bug.  A workaround
exists and Octave does not recommend or rely on the Intel MKL.  Boldly
speaking, it was your decision to use the Intel MKL with Octave (at your own
risk).  Same goes for self-compiled libraries, etc.  It is impossible to
regard all possible library and parameter combinations.

A general recommendation is to run the Octave test suite when changing from
default packages (reference BLAS, OpenBLAS)

+verbatim-
__run_test_suite__


This takes only about 5 minutes and should reveal such bugs.

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