allredint8f90.f90

fortran并行计算包

! This file created from test/mpi/f77/coll/allredint8f.f with f77tof90
! -*- Mode: Fortran; -*- 
!
!  (C) 2006 by Argonne National Laboratory.
!      See COPYRIGHT in top-level directory.
!
      program main
      use mpi
      integer*8 inbuf, outbuf
      integer errs, ierr

      errs = 0
      
      call mtest_init( ierr )
!
! A simple test of allreduce for the optional integer*8 type

      call mpi_allreduce(inbuf, outbuf, 1, MPI_INTEGER8, MPI_SUM,  &
      &                   MPI_COMM_WORLD, ierr)
      
      call mtest_finalize( errs )
      call mpi_finalize( ierr )
      end