MPI_Comm_rank - Determines the rank of the calling process
in the communicator
SYNOPSIS
C:
#include <mpi.h>
int MPI_Comm_rank ( comm, rank )
MPI_Comm comm;
int *rank;
C++:
#include <mpi.h>
int Comm::Get_rank() const
Fortran:
INCLUDE "mpif.h" (or USE MPI)
INTEGER comm, rank, ierror
CALL MPI_COMM_RANK(comm, rank, ierror)
STANDARDS
This release implements the MPI 1.2 standard, as
documented by the MPI Forum in the spring 1997 release of
MPI: A Message Passing Interface Standard.
DESCRIPTION
The MPI_Comm_rank routine determines the rank of the
calling process in the communicator. This routine accepts
the following parameters:
comm Specifies the communicator (handle)
rank Returns the rank of the calling process in the
group of comm (integer)
ierror Specifies the return code value for successful
completion, which is in MPI_SUCCESS.
MPI_SUCCESS is defined in the mpif.h file.
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