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

[Geoffrey]

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Jeff Hammond <jhammond at alcf.anl.gov> wrote:

>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.
>
>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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