[Mpi-forum] C++ types inaccessible after #281

[Jeff Hammond]

as far as i'm concerned, these types are only valid with the C bindings
when a C++ compiler is used.  does that solve it?

jeff

On Tue, Jun 26, 2012 at 11:41 AM, Douglas Miller <dougmill at us.ibm.com>wrote:

> I've got to raise a concern here. If we start defining MPI datatypes to be
> C++ types then how will an implementation support that with only a C
> compiler? I thought the point of 281 was to eradicate C++ from the standard
> (and start over later if C++ was to be defined in the standard).
>
>
> _______________________________________________
> Douglas Miller                  BlueGene Messaging Development
> IBM Corp., Rochester, MN USA                     Bldg 030-2 A401
> dougmill at us.ibm.com               Douglas Miller/Rochester/IBM
>
> [image: Inactive hide details for Jed Brown ---06/26/2012 11:26:16
> AM---Jed Brown <jedbrown at mcs.anl.gov>]Jed Brown ---06/26/2012 11:26:16
> AM---Jed Brown <jedbrown at mcs.anl.gov>
>
>
>    *Jed Brown <jedbrown at mcs.anl.gov>*
>    Sent by: mpi-forum-bounces at lists.mpi-forum.org
>
>    06/26/2012 11:14 AM
>    Please respond to
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> To
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>    Main MPI Forum mailing list <mpi-forum at lists.mpi-forum.org>,
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> Subject
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>    Re: [Mpi-forum] C++ types inaccessible after #281
>
>
> On Tue, Jun 26, 2012 at 6:13 AM, Jeff Squyres <*jsquyres at cisco.com*<jsquyres at cisco.com>>
> wrote:
>
>    There are a few C++-specific datatypes for which it would be worth
>    introducing new C datatypes (e.g., MPI_CXX_COMPLEX).  It's too bad that no
>    one realized this until now, because this won't make the MPI-3 deadline.
>     But it could be part of MPI-3.1 or errata, or some such.
>
>
> Two people in offline discussions have suggested that C bindings to the
> std::complex types (I'm not aware of anything else that #281 will lose)
> might qualify as ticket 0._______________________________________________
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-- 
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at alcf.anl.gov / (630) 252-5381
http://www.linkedin.com/in/jeffhammond
https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond
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