[Numpy-discussion] int 'up'casted to uint
Travis Oliphant
oliphant.travis at ieee.org
Tue Jul 11 12:03:38 EDT 2006
Pau Gargallo wrote:
> hi,
>
> looking at the upcasting table at
> http://www.scipy.org/Tentative_NumPy_Tutorial#head-4c1d53fe504adc97baf27b65513b4b97586a4fc5
> I saw that int's are sometimes casted to uint's.
>
> In [3]: a = array([3],int16)
> In [5]: b = array([4],uint32)
> In [7]: a+b
> Out[7]: array([7], dtype=uint32)
>
> is that intended?
>
It's a bug. The result should be int64. I've fixed it in SVN.
-Travis
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