Apparently I just can't type that freaking word. Thanks Nathan for pointing out the truth ;)
On Jul 16, 2013, at 22:56 , Nathan Hjelm <hjelmn_at_[hidden]> wrote:
> I think you meant signed. It is signed in both configure.ac and ompi_datatype_module.c.
> On Tue, Jul 16, 2013 at 10:48:12PM +0200, George Bosilca wrote:
>> It's a typo, MPI_Aint is of course unsigned.
>> On Jul 16, 2013, at 22:37 , David Goodell (dgoodell) <dgoodell_at_[hidden]> wrote:
>>> On Jul 16, 2013, at 3:22 PM, George Bosilca <bosilca_at_[hidden]> wrote:
>>>> I read your code and it's definitively looking good. I have however few minor issues with your patch.
>>>> 1. MPI_Aint is unsigned as it must represent the difference between two memory arbitrary locations. In your MPI_Type_get_[true_]extent_x you go through size_t possibly reducing it's extent. I would suggest you used ssize_t instead.
>>> MPI_Aint must be signed for Fortran compatibility (among other reasons). If OMPI's MPI_Aint is unsigned then that's a bug in OMPI.
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