[Numpy-discussion] Review of issue 825

Charles R Harris charlesr.harris@gmail....
Wed Jun 25 22:13:16 CDT 2008


On Wed, Jun 25, 2008 at 8:42 PM, Charles R Harris <charlesr.harris@gmail.com>
wrote:

> Hi Neil,
>
> On Wed, Jun 25, 2008 at 2:26 PM, Neil Muller <drnlmuller+scipy@gmail.com<drnlmuller%2Bscipy@gmail.com>>
> wrote:
>
>> On Wed, Jun 25, 2008 at 8:46 PM, Charles R Harris
>> <charlesr.harris@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?
>

Oops, try this one instead. I'm not sure why the last one worked.

Chuck
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