On Mon, Jan 9, 2017 at 5:09 PM, Ilhan Polat <ilhanpo...@gmail.com> wrote:

> So every test in the polyalgorithm is cheaper than the next one. I'm not
exactly sure what might be the best strategy yet hence the question. It's
really interesting that LAPACK doesn't have this type of fast checks.

In Fortran LAPACK, if you have a special structured matrix, you usually
explicitly use packed storage and call the appropriate function type on it.
It's only when you go to a system that only has a generic, unstructured
dense matrix data type that it makes sense to do those kinds of checks.

-- 
Robert Kern
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