[Numpy-discussion] how to check type of array?

Chao YUE chaoyuejoy@gmail....
Thu Mar 29 08:34:05 CDT 2012


thanks to all. more than what I need.

cheers,

chao

2012/3/29 Derek Homeier <derek@astro.physik.uni-goettingen.de>

> On 29 Mar 2012, at 14:49, Robert Kern wrote:
>
> >> all work. For a more general check (e.g. if it is any type of integer),
> you can do
> >>
> >> np.issubclass_(a.dtype.type, np.integer)
> >
> > I don't recommend using that. Use np.issubdtype(a.dtype, np.integer)
> instead.
>
> Sorry, you're right, this works the same way - I had the impression from
> the documentation
> that tests like np.issubdtype(np.int16, np.integer) would not work, but
> they do.
>
> Cheers,
>                                                Derek
>
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