! This file created from test/mpi/f77/attr/baseattrf.f with f77tof90

! -*- Mode: Fortran; -*- 

!

!  (C) 2003 by Argonne National Laboratory.

!      See COPYRIGHT in top-level directory.

!

      program main

      use mpi

      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