C
C Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
C                         University Research and Technology
C                         Corporation.  All rights reserved.
C Copyright (c) 2006-2015 Cisco Systems, Inc.  All rights reserved.
C $COPYRIGHT$
C
C Sample MPI "hello world" application using the Fortran mpif.h
C bindings.
C
        program main
        implicit none
        include 'mpif.h'
        integer ierr, rank, size, len
        character(len=MPI_MAX_LIBRARY_VERSION_STRING) version

        call MPI_INIT(ierr)
        call MPI_COMM_RANK(MPI_COMM_WORLD, rank, ierr)
        call MPI_COMM_SIZE(MPI_COMM_WORLD, size, ierr)
        call MPI_GET_LIBRARY_VERSION(version, len, ierr)

        write(*, '("Hello, world, I am ", i2, " of ", i2, ": ", a)')
     &        rank, size, version

        call MPI_FINALIZE(ierr)

        end