[Numpy-discussion] How to handle a busted API?

Charles R Harris charlesr.harris@gmail....
Sun Jul 13 02:17:32 CDT 2008


On Sun, Jul 13, 2008 at 12:53 AM, Robert Kern <robert.kern@gmail.com> wrote:

> On Sun, Jul 13, 2008 at 01:49, Charles R Harris
> <charlesr.harris@gmail.com> wrote:
> >
> > On Sun, Jul 13, 2008 at 12:02 AM, Robert Kern <robert.kern@gmail.com>
> wrote:
>
> >> Compile-time warnings will be ignored if they aren't errors that stop
> >> the build. Run-time DeprecationWarnings are feasible:
> >>
> >>  http://docs.python.org/dev/c-api/exceptions.html#PyErr_WarnEx
> >
> > OK, will do. The same user wants to fix up fftpack_lite. This should
> > actually be pretty easy, just replace all ints by longs in fftpack and
> > fftpack_lite. Or maybe we should use one of the python.h types. As far as
> I
> > know, these functions are only exposed through the python interface.
>
> Py_ssize_t and Py_size_t are probably the most appropriate, in this
> case. long is not always the same size as a pointer address.
>

I'll go with Py_ssize_t then, I'd have to vet the code before using an
unsigned type. Hmm, I wonder if any of the npy types defined in terms of the
corresponding python types? If not, npy_intp might be the best choice since
it will be needed to create arrays.

Chuck
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