[Numpy-discussion] More about data types in NumPy
Travis Oliphant
oliphant.travis at ieee.org
Wed Sep 27 13:01:44 EDT 2006
Francesc Altet wrote:
> Hello,
>
> Sorry for being insistent, but I recognize that I'm having a bad time
> with NumPy data type rational. Is there an explanation for this?:
>
>
Your actually talking about the array scalar types not the data-type
objects.
But, more to the point....
>>>> numpy.typeDict['i4']
>>>>
> <type 'numpy.int32'>
>
>>>> numpy.typeDict['int32']
>>>>
> <type 'numpy.int32'>
>
>>>> numpy.typeDict['i4'] == numpy.typeDict['int32']
>>>>
> False
>
>
On my 32-bit system I get:
numpy.sctypeDict['i4'] is numpy.sctypeDict['int32']
True
Hmm..... I don't know why you are getting a different result, but
perhaps it has to do with the fact that the character alias ('i4') is
not getting set at the same type as 'int32'. I just fixed that. That
should fix the problem.
-travis
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