[mpich-discuss] Fortran integer support 4/8-bytes

[Reuti]

Am 08.06.2012 um 00:43 schrieb Jeff Hammond:

> Does MPICH2 support Fortran bindings with 8-byte integers?  Do these
> permit values greater than what is representable in a 4-byte integer
> or does the lower level implementation in C preclude the use of
> arguments greater than 2^31?
> 
> Sorry for the dumb question.  I consulted the MPI standard (regarding
> the general question with Fortran integer sizes) and the MPICH2
> install docs (perhaps a rather old PDF from the Internet) but did not
> find the answer.
> 
> If the MPI standard addresses this topic, can someone point me to the
> relevant section?  I can find such random topics much easier in my
> paper copy but I do not have access to it right now.

Page 494 lists some:

http://www.mpi-forum.org/docs/mpi-2.2/mpi22-report.pdf

-- Reuti


> Thanks,
> 
> Jeff
> 
> -- 
> 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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