Hi,
On Tue, Jan 13, 2015 at 12:03 AM, Alexander Belopolsky <[email protected]>
wrote:
> Consider this (on a 64-bit platform):
>
> >>> numpy.dtype('q') == numpy.dtype('l')
> True
>
>
>>> numpy.dtype('q').char == numpy.dtype('l').char
> False
>
> Is that intended? Shouldn't dtype constructor "normalize" 'l' to 'q' (or
> 'i')?
>
>
'q' is defined as NPY_LONGLONGLTR, while 'l' is NPY_LONGLTR [here]
<https://github.com/numpy/numpy/blob/maintenance/1.9.x/numpy/core/include/numpy/ndarraytypes.h#L102>
.
Similar issue was raised on Issue 5426
<https://github.com/numpy/numpy/issues/5426#issuecomment-68942373>. Even I
am not aware of the exact reason, but hope it helps.
Also,
>>> numpy.dtype('q').num
9
>>> numpy.dtype('l').char
7
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