[Numpy-discussion] question about the data entry in the __array_interface__
Sun Apr 7 16:07:53 CDT 2013
On Sun, Apr 7, 2013 at 2:26 PM, Valentin Haenel <firstname.lastname@example.org> wrote:
> I know that the address is contained in the 'data' field of the
> '__array_interface__' and is either an int or a long. My guess is that
> this depends on the architecture of the system, i.e. 32 vs 64 bit
> My question is: what is the correct type to use when using
> PyArg_ParseTuple to convert the value. I am currently using:
> k (integer) [unsigned long]
> Convert a Python integer or long integer to a C unsigned long
> without overflow checking.
> The reason I chose 'k' is because it seems to be the only option that
> can deal with both Python int and long types. And was wondering if this
> is the correct choice. Also note that whatever it is, it will be cast to
> a 'void *' later.
This won't work on Win64, where C 'long' is 32 bits, but void* is 64 bits.
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