[Cython] memoryviews from C arrays

[mark florisson]

Yes, but I'm running some tests on hudson.

On 23 November 2011 21:46, Robert Bradshaw <robertwb at math.washington.edu>wrote:

> On Wed, Nov 23, 2011 at 12:21 PM, mark florisson
> <markflorisson88 at gmail.com> wrote:
> > Hey,
> >
> > Currently when we want to convert C arrays to memoryview slices we have
> to
> > do this:
> >
> > cdef int array[5][4]
> > cdef int[:, :] slice = <int[:5, :4]> <int *> array
> > I'd like to be able to write
> > cdef int array[5][4]
> > cdef int[:, :] slice
> > slice = <int[:, :]> array
> > # and
> > slice = array
> > I think that would be convenient, especially if we later on support
> variable
> > sized C arrays. I also changed semantics with the cython.array callback,
> so
> > now the data gets deallocated only if cython.array allocated it itself,
> > otherwise a callback may be registered.
> > Anyone opposed to the above semantics?
>
> Sounds good to me. Having to explicitly set the deallocate callback
> seems the better default. Did you update the docs?
>
> - Robert
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