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MPI_Op_f2c(3) LAM/MPI MPI_Op_f2c(3)
MPI_Op_f2c - Convert an op handler from its Fortran representation to its C representa-
- Fortran op handle
op - C op handle
NOTES FOR FORTRAN
All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argu-
ment ierr at the end of the argument list. ierr is an integer and has the same meaning as
the return value of the routine in C. In Fortran, MPI routines are subroutines, and are
invoked with the call statement.
All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.
This function does not return the normal MPI_SUCCESS integer value upon success. Instead,
it returns a handle to the converted object. If an error occurs, the appropriate NULL
handle will be returned.
For more information, please see the official MPI Forum web site, which contains the text
of both the MPI-1 and MPI-2 standards. These documents contain detailed information about
each MPI function (most of which is not duplicated in these man pages).
LAM/MPI 6.5.8 11/10/2002 MPI_Op_f2c(3)
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