[Numpy-discussion] svd error checking vs. speed

Sturla Molden sturla.molden at gmail.com
Mon Feb 17 10:04:43 EST 2014

Jason Grout <jason-sage at creativetrax.com> wrote:
> For what my vote is worth, -1.  I thought this was pretty much the 
> designed difference between the scipy and numpy linalg routines.  Scipy 
> does the checking, and numpy provides the raw speed.  Maybe this is 
> better resolved as a note in the documentation for numpy about the 
> assumptions for the input and a reference to the scipy implementation?

I think if there is a stability issue, we should find out which LAPACK or
BLAS versions are affected, and then decide what to do with it. No NumPy
functions should arbitrarily hang forever. I would consider that a bug. 


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