[Mpi-forum] Reserved MPI_ prefix & namespace in C and Fortran

[N.M. Maclaren]

On Aug 24 2012, Jeremiah Willcock wrote:
>
>Forbidding use as a local name is important if you want to use that name 
>as a macro in C or C++ (or Fortran with a CPP-like preprocessor).  Thus, 
>it might make sense to do that for at least some names as well, at least 
>for the C and mpif.h bindings.

It is needed only in a translation unit (C) or program unit (Fortran)
where a MPI module is used or a MPI header is included.  There is no
neeed to restrict it in other parts of the code.

However, forbidding it being done everywhere isn't a major restriction.


Regards,
Nick Maclaren.