[Octave-bug-tracker] [bug #39000] Can't override BLAS XERBLA handler on Windows

[John W. Eaton]

Follow-up Comment #16, bug #39000 (project octave):

Unfortunately, not all BLAS libraries make it easy to override the default
error handler even though that was the original intent of having xerbla...

I suppose we could fix this for our mxe-octave builds for openblas and the
reference blas.  But that doesn't solve the problem generally.  To do that
requires cooperation from the people who are writing and packaging BLAS
libraries.

Also, as I understand it, XERBLA should only be invoked when a BLAS or LAPACK
routine is called incorrectly and we really shouldn't be making calls with
invalid parameters.

For the example in comment 13, isn't that just a variation of bug #46330?  But
even though that bug is closed, I don't think it is really fixed yet.  I'll
comment there as well.

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