On Mon, Apr 25, 2011 at 22:46, Roy Stogner <[email protected]> wrote:
> And there's one place that's more worrisome:
> what's the next step up from MPI_LONG_DOUBLE? There's standard MPI
> Real*16 support for Fortran; would that work for 16 byte C/C++ FP too?
>
I don't know if that works. The latest MPICH2 defines the type, but Open MPI
does not.
You can always use MPIU_SCALAR (and MPIU_SUM, MPIU_MAX, etc) with PETSc.
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