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C
C Copyright (C) by Argonne National Laboratory
C See COPYRIGHT in top-level directory
C
program main
implicit none
include 'mpif.h'
integer value, commsize
logical flag
integer ierr, errs
errs = 0
call mpi_init( ierr )
call mpi_comm_size( MPI_COMM_WORLD, commsize, ierr )
call mpi_attr_get( MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, value, flag
$ , ierr)
! MPI_UNIVERSE_SIZE need not be set
if (flag) then
if (value .lt. commsize) then
print *, "MPI_UNIVERSE_SIZE is ", value, " less than world "
$ , commsize
errs = errs + 1
endif
endif
call mpi_attr_get( MPI_COMM_WORLD, MPI_LASTUSEDCODE, value, flag,
$ ierr )
! Last used code must be defined and >= MPI_ERR_LASTCODE
if (flag) then
if (value .lt. MPI_ERR_LASTCODE) then
errs = errs + 1
print *, "MPI_LASTUSEDCODE points to an integer
$ (", value, ") smaller than MPI_ERR_LASTCODE (",
$ MPI_ERR_LASTCODE, ")"
endif
else
errs = errs + 1
print *, "MPI_LASTUSECODE is not defined"
endif
call mpi_attr_get( MPI_COMM_WORLD, MPI_APPNUM, value, flag, ierr )
! appnum need not be set
if (flag) then
if (value .lt. 0) then
errs = errs + 1
print *, "MPI_APPNUM is defined as ", value,
$ " but must be nonnegative"
endif
endif
! Check for errors
if (errs .eq. 0) then
print *, " No Errors"
else
print *, " Found ", errs, " errors"
endif
call MPI_Finalize( ierr )
end
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