On 18 Feb 2014 07:07, "Robert Kern" <robert.k...@gmail.com> wrote: > > On Tue, Feb 18, 2014 at 12:00 PM, Nathaniel Smith <n...@pobox.com> wrote: > > Perhaps integer power should raise an error on negative powers? That way > > people will at least be directed to use arr ** -1.0 instead of silently > > getting nonsense from arr ** -1. > > Controllable by np.seterr(invalid=...)? I could get behind that.
I'm not sure the np.seterr part would work or be a good idea, given that we have no way to return or propagate NaN... I vote for just an unconditional error. -n
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