[Numpy-discussion] Fastest way of distinguish a numpy scalar of a python scalar?

Sebastian Haase haase at msg.ucsf.edu
Tue Oct 3 12:24:28 CDT 2006


Hi,
a noticed the underscore in "numpy.string_"  ...
I thought the underscores were removed in favour of handling the 
"from numpy import *" separately via the __all__ variable.
Is this done only for *some* members of numpy ?

(sorry for hijacking your thread ...)
-Sebastian Haase




On Tuesday 03 October 2006 09:55, Francesc Altet wrote:
> Hi,
>
> I thought that numpy.isscalar was a good way of distinguising a numpy
> scalar
>
> from a python scalar, but it seems not:
> >>> numpy.isscalar(numpy.string_('3'))
>
> True
>
> >>> numpy.isscalar('3')
>
> True
>
> Is there an easy (and fast, if possible) way to check whether an object is
> a numpy scalar or a python one?
>
> Thanks,




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