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C
C Copyright (C) by Argonne National Laboratory
C See COPYRIGHT in top-level directory
C
program main
implicit none
C Test support for MPI_STATUS_IGNORE and MPI_STATUSES_IGNORE
include 'mpif.h'
integer nreqs
parameter (nreqs = 100)
integer reqs(nreqs)
integer ierr, rank, i
integer errs
ierr = -1
errs = 0
call mpi_init( ierr )
if (ierr .ne. MPI_SUCCESS) then
errs = errs + 1
print *, 'Unexpected return from MPI_INIT', ierr
endif
ierr = -1
call mpi_comm_rank( MPI_COMM_WORLD, rank, ierr )
if (ierr .ne. MPI_SUCCESS) then
errs = errs + 1
print *, 'Unexpected return from MPI_COMM_WORLD', ierr
endif
do i=1, nreqs, 2
ierr = -1
call mpi_isend( MPI_BOTTOM, 0, MPI_BYTE, rank, i,
$ MPI_COMM_WORLD, reqs(i), ierr )
if (ierr .ne. MPI_SUCCESS) then
errs = errs + 1
print *, 'Unexpected return from MPI_ISEND', ierr
endif
ierr = -1
call mpi_irecv( MPI_BOTTOM, 0, MPI_BYTE, rank, i,
$ MPI_COMM_WORLD, reqs(i+1), ierr )
if (ierr .ne. MPI_SUCCESS) then
errs = errs + 1
print *, 'Unexpected return from MPI_IRECV', ierr
endif
enddo
ierr = -1
call mpi_waitall( nreqs, reqs, MPI_STATUSES_IGNORE, ierr )
if (ierr .ne. MPI_SUCCESS) then
errs = errs + 1
print *, 'Unexpected return from MPI_WAITALL', ierr
endif
call mtest_finalize( errs )
end
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