[Numpy-discussion] nan, warning and error modes

Robert Kern robert.kern@gmail....
Tue Feb 27 01:18:12 CST 2007


On 2/27/07, Robert Kern <robert.kern@gmail.com> wrote:
> David Cournapeau wrote:
> > Hi,
> >
> >     I am developing some numpy code, which sometimes fail because of
> > nan. This is likely to be due to some bad coding on my side, and as such
> > any NaN is a bug for this particular piece of code.
> >     Is there a way to get a warning when the first Nan is detected in
> > the code (or even a faulty assertion) ? It looks like there are some
> > variables/functions related to that in numpy, but I didn't find any
> > useful document on the matter, either in the numpy book nor on the scipy
> > website.
>
> seterr(invalid='warning')

Ahem.

  seterr(invalid='warn')

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco


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