[mpich-devel] C99 fixed-width integer types

[Jeff Hammond]

FWIW while MSVC may not support restrict, it supports __restrict [1], which
serves the same purpose.  It would be straightforward to define a
macro MPICH_RESTRICT if you want to use that.

[1] https://docs.microsoft.com/en-us/cpp/cpp/extension-restrict?view=vs-2019

Jeff

On Thu, Aug 13, 2020 at 1:40 PM Raffenetti, Kenneth J. via devel <
devel at mpich.org> wrote:

> Hi everyone,
>
> Following a discussion today about C99 types in MPICH, we wanted to give a
> heads up. Since version 3.3, MPICH relies on many types which are
> technically optional in C99. For example uint64_t, uintptr_t, etc. In case
> it was not clear, platforms which do not provide these optional types are
> not supported by MPICH.
>
> The MPICH wiki page on C99 support has been updated to include this
> caveat: https://wiki.mpich.org/mpich/index.php/Shifting_toward_C99
>
> Please let us know if you have any questions, comments, or concerns.
>
> Thanks,
> Ken
>
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-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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