Should numpy.sqrt(-1) return 1j rather than nan?

Pierre GM pierregm at engr.uga.edu
Wed Oct 11 18:51:18 CDT 2006


> >nan's are making things really slow,
>
> Yeah, they do.   This actually makes the case for masked arrays, rather
> than using NAN's.

Travis,
Talking about masked arrays, I'm about being done rewriting numpy.core.ma, 
mainly transforming MaskedArray as a subclass of ndarray (it should be OK by 
the end of the week), and allowing for an easy subclassing of MaskedArrays 
(which is far from being the case right now)

What would be the best procedure to submit it ? Ticket on SVN ? Wiki on 
scipy.org ?

Thanks again for your time !

Pierre

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