[Numpy-discussion] Review of issue 825

Charles R Harris charlesr.harris at gmail.com
Wed Jun 25 22:42:51 EDT 2008


Hi Neil,

On Wed, Jun 25, 2008 at 2:26 PM, Neil Muller
<drnlmuller+scipy at gmail.com<drnlmuller%2Bscipy at gmail.com>>
wrote:

> On Wed, Jun 25, 2008 at 8:46 PM, Charles R Harris
> <charlesr.harris at gmail.com> wrote:
> >
> >
> > Looks to me like the NPY_ALIGNED flag is incorrectly set. Can you check
> > this  by printing the results of
> >
> > PyArray_CHKFLAGS(ap, NPY_ALIGNED)
>
> For the test listed in the ticket, the array isn't flagged as aligned
> - ap->flags =  NPY_CONTIGUOUS | NPY_FORTRAN | NPY_WRITEABLE
>
> I'm under the impression that NPY_ALIGNED refers to the alignment of
> the entire entry, though, in which case it's irrelevant here, since
> the problem is with the internal alignment of items within a single
> array entry.
>

It looks like it refers to the item. Look  at VOID_getitem to see how it is
set item by item.

Can you try the attached patch?

TIA,
Chuck
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