[Mpi-forum] MPI_ERR_UNSUPPORTED_DATAREP error class definition scoped too tightly
thakur at mcs.anl.gov
Thu Mar 13 14:52:44 CDT 2014
The table on pg 551 is about I/O error codes and classes. So Pack_external/Unpack_external (from 9 chapters away) would look out of place there. The real solution might be to move the I/O error codes and classes from the I/O chapter to the chapter on error codes and classes, but that would be more than a ticket 0 change.
On Mar 13, 2014, at 12:02 PM, Fab Tillier <ftillier at microsoft.com> wrote:
> Hi folks,
> The standard defines MPI_ERR_UNSUPPORTED_DATAREP as an I/O error class, with the meaning “Unsupported datarep passed to MPI_FILE_SET_VIEW”. However, datareps are also passed as input to MPI_PACK_EXTERNAL and MPI_UNPACK_EXTERNAL. Shouldn’t these functions use the same error class for unsupported datareps, rather than MPI_ERR_ARG?
> Can we update the description of MPI_ERR_UNSUPPORTED_DATAREP (page 551, line 10) to also include MPI_PACK_EXTERNAL and MPI_UNPACK_EXTERNAL as a ticket-0 item for MPI 3.1, or will this need to happen in a later version?
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