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!
! Main program for parallel HDF5 Fortran tests.
PROGRAM PHDF5F90TEST
USE HDF5 ! This module contains all necessary modules
USE THDF5
! USE MPI
IMPLICIT NONE
INTEGER :: error ! Error flags
INTEGER :: error_1 = 0 ! Error flags
!
! MPI definitions and calls.
!
INTEGER :: mpierror ! MPI error flag
INTEGER :: comm, info
INTEGER :: mpi_size, mpi_rank
comm = MPI_COMM_WORLD
info = MPI_INFO_NULL
CALL MPI_INIT(mpierror)
CALL MPI_COMM_SIZE(comm, mpi_size, mpierror)
CALL MPI_COMM_RANK(comm, mpi_rank, mpierror)
!
! Check that datasets can be divided into equal parts by the processes.
!
if ( (mod(DIM1, mpi_size) .ne. 0) .or. (mod(DIM2, mpi_size) .ne. 0)) then
if (mpi_rank .eq. 0) then
write(*,*) "Number of processors is", mpi_size
write(*,*) "It must be a factor of ", DIM1, " and ", DIM2
write(*,*) "Exiting..."
endif
goto 1000
endif
!
! Initialize FORTRAN predefined datatypes
!
CALL h5open_f(error)
if (mpi_rank .eq. 0) then
write(*,*) '==========================================='
write(*,*) ' Parallel Fortran Tests '
write(*,*) '==========================================='
write(*,*)
endif
if (mpi_rank .eq. 0) then
write(*,*) 'Writing/reading dataset by hyperslabs'
endif
CALL dataset_wr_by_hyperslabs(error_1)
if (error_1 .ne. 0 ) write(*,*) 'Process ', mpi_rank, 'reports failure'
if (mpi_rank .eq. 0) then
write(*,*)
write(*,*) '==========================================='
write(*,*) ' Parallel Fortran Tests finished '
write(*,*) '==========================================='
endif
!
! Close FORTRAN predefined datatypes.
!
CALL h5close_f(error)
1000 continue
CALL MPI_FINALIZE(mpierror)
END PROGRAM PHDF5F90TEST
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