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|
!
!
! Testing Dataset Interface functionality.
!
! MODULE H5DTEST
! USE HDF5 ! This module contains all necessary modules
! CONTAINS
!
!The following subroutine tests the following functionalities:
!h5dcreate_f, h5dopen_f, h5dclose_f, h5dget_space_f, h5dget_type_f,
!h5dread_f, and h5dwrite_f
!
SUBROUTINE datasettest(total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
INTEGER, INTENT(OUT) :: total_error
CHARACTER(LEN=8), PARAMETER :: filename = "dsetf.h5" ! File name
CHARACTER(LEN=4), PARAMETER :: dsetname = "dset" ! Dataset name
INTEGER(HID_T) :: file_id ! File identifier
INTEGER(HID_T) :: dset_id ! Dataset identifier
INTEGER(HID_T) :: dspace_id ! Dataspace identifier
INTEGER(HID_T) :: dtype_id ! Datatype identifier
INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/4,6/) ! Dataset dimensions
INTEGER :: rank = 2 ! Dataset rank
INTEGER, DIMENSION(4,6) :: dset_data, data_out ! Data buffers
INTEGER :: error ! Error flag
INTEGER :: i, j !general purpose integers
INTEGER(HSIZE_T), DIMENSION(7) :: data_dims_b
INTEGER, DIMENSION(7) :: data_dims
!
! Initialize the dset_data array.
!
do i = 1, 4
do j = 1, 6
dset_data(i,j) = (i-1)*6 + j;
end do
end do
!
! Initialize FORTRAN predefined datatypes.
!
! CALL h5init_types_f(error)
! CALL check("h5init_types_f", error, total_error)
!
! Create a new file using default properties.
!
CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)
CALL check("h5fcreate_f", error, total_error)
!
! Create the dataspace.
!
CALL h5screate_simple_f(rank, dims, dspace_id, error)
CALL check("h5screate_simple_f", error, total_error)
!
! Create the dataset with default properties.
!
CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dspace_id, &
dset_id, error)
CALL check("h5dcreate_f", error, total_error)
!
! Write the dataset.
!
data_dims_b(1) = 4
data_dims_b(2) = 6
CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims_b, error)
CALL check("h5dwrite_f", error, total_error)
!
! End access to the dataset and release resources used by it.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f", error, total_error)
!
! Terminate access to the data space.
!
CALL h5sclose_f(dspace_id, error)
CALL check("h5sclose_f", error, total_error)
!
! Close the file.
!
CALL h5fclose_f(file_id, error)
CALL check("h5fclose_f", error, total_error)
!
! Open the existing file.
!
CALL h5fopen_f (filename, H5F_ACC_RDWR_F, file_id, error)
CALL check("h5fopen_f", error, total_error)
!
! Open the existing dataset.
!
CALL h5dopen_f(file_id, dsetname, dset_id, error)
CALL check("h5dopen_f", error, total_error)
!
! Get the dataset type.
!
CALL h5dget_type_f(dset_id, dtype_id, error)
CALL check("h5dget_type_f", error, total_error)
!
! Get the data space.
!
CALL h5dget_space_f(dset_id, dspace_id, error)
CALL check("h5dget_space_f", error, total_error)
!
! Read the dataset.
!
CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error)
CALL check("h5dread_f", error, total_error)
!
!Compare the data.
!
do i = 1, 4
do j = 1, 6
IF (data_out(i,j) .NE. dset_data(i, j)) THEN
write(*, *) "dataset test error occured"
write(*,*) "data read is not the same as the data writen"
END IF
end do
end do
!
! End access to the dataset and release resources used by it.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f", error, total_error)
!
! Terminate access to the data space.
!
CALL h5sclose_f(dspace_id, error)
CALL check("h5sclose_f", error, total_error)
!
! Terminate access to the data type.
!
CALL h5tclose_f(dtype_id, error)
CALL check("h5tclose_f", error, total_error)
!
! Close the file.
!
CALL h5fclose_f(file_id, error)
CALL check("h5fclose_f", error, total_error)
!
!Close FORTRAN predifined datatypes
!
! CALL h5close_types_f(error)
! CALL check("h5close_types_f",error,total_error)
RETURN
END SUBROUTINE datasettest
!
!the following subroutine tests h5dextend_f functionality
!
SUBROUTINE extenddsettest(total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
INTEGER, INTENT(OUT) :: total_error
!
!the dataset is stored in file "extf.h5"
!
CHARACTER(LEN=7), PARAMETER :: filename = "extf.h5"
!
!dataset name is "ExtendibleArray"
!
CHARACTER(LEN=15), PARAMETER :: dsetname = "ExtendibleArray"
!
!dataset rank is 2
!
INTEGER :: RANK = 2
INTEGER(HID_T) :: file_id ! File identifier
INTEGER(HID_T) :: dset_id ! Dataset identifier
INTEGER(HID_T) :: dataspace ! Dataspace identifier
INTEGER(HID_T) :: memspace ! memory Dataspace identifier
INTEGER(HID_T) :: crp_list ! dataset creatation property identifier
!
!dataset dimensions at creation time
!
INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/3,3/)
!
!data dimensions
!
INTEGER(HSIZE_T), DIMENSION(2) :: dims1 = (/10,3/)
!
!Maximum dimensions
!
INTEGER(HSIZE_T), DIMENSION(2) :: maxdims
!
!data arrays for reading and writing
!
INTEGER, DIMENSION(10,3) :: data_in, data_out
!
!Size of data in the file
!
INTEGER(HSIZE_T), DIMENSION(2) :: size
!
!general purpose integer
!
INTEGER :: i, j
!
!flag to check operation success
!
INTEGER :: error
!
!Variables used in reading data back
!
INTEGER(HSIZE_T), DIMENSION(2) :: dimsr, maxdimsr
INTEGER :: rankr
INTEGER, DIMENSION(7) :: data_dims
!
!data initialization
!
do i = 1, 10
do j = 1, 3
data_in(i,j) = 2
end do
end do
!
!Initialize FORTRAN predifined datatypes
!
! CALL h5init_types_f(error)
! CALL check("h5init_types_f",error,total_error)
!
!Create a new file using default properties.
!
CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)
CALL check("h5fcreate_f",error,total_error)
!
!Create the data space with unlimited dimensions.
!
maxdims = (/H5S_UNLIMITED_F, H5S_UNLIMITED_F/)
CALL h5screate_simple_f(RANK, dims, dataspace, error, maxdims)
CALL check("h5screate_simple_f",error,total_error)
!
!Modify dataset creation properties, i.e. enable chunking
!
CALL h5pcreate_f(H5P_DATASET_CREATE_F, crp_list, error)
CALL check("h5pcreat_f",error,total_error)
CALL h5pset_chunk_f(crp_list, RANK, dims1, error)
CALL check("h5pset_chunk_f",error,total_error)
!
!Create a dataset with 3X3 dimensions using cparms creation propertie .
!
CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dataspace, &
dset_id, error, crp_list )
CALL check("h5dcreate_f",error,total_error)
!
!Extend the dataset. This call assures that dataset is 3 x 3.
!
size(1) = 3
size(2) = 3
CALL h5dextend_f(dset_id, size, error)
CALL check("h5dextend_f",error,total_error)
!
!Extend the dataset. Dataset becomes 10 x 3.
!
size(1) = 10;
size(2) = 3;
CALL h5dextend_f(dset_id, size, error)
CALL check("h5dextend_f",error,total_error)
!
!Write the data of size 10X3 to the extended dataset.
!
data_dims(1) = 10
data_dims(2) = 3
CALL H5dwrite_f(dset_id, H5T_NATIVE_INTEGER, data_in, data_dims, error)
CALL check("h5dwrite_f",error,total_error)
!
!Close the dataspace for the dataset.
!
CALL h5sclose_f(dataspace, error)
CALL check("h5sclose_f",error,total_error)
!
!Close the property list.
!
CALL h5pclose_f(crp_list, error)
CALL check("h5pclose_f",error,total_error)
!
!Close the dataset.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f",error,total_error)
!
!Close the file.
!
CALL h5fclose_f(file_id, error)
CALL check("h5fclose_f",error,total_error)
!
!read the data back
!
!Open the file.
!
CALL h5fopen_f (filename, H5F_ACC_RDONLY_F, file_id, error)
CALL check("hfopen_f",error,total_error)
!
!Open the dataset.
!
CALL h5dopen_f(file_id, dsetname, dset_id, error)
CALL check("h5dopen_f",error,total_error)
!
!Get dataset's dataspace handle.
!
CALL h5dget_space_f(dset_id, dataspace, error)
CALL check("h5dget_space_f",error,total_error)
!
!Get dataspace's rank.
!
CALL h5sget_simple_extent_ndims_f(dataspace, rankr, error)
CALL check("h5sget_simple_extent_ndims_f",error,total_error)
IF (rankr .NE. RANK) then
write(*,*) "dataset rank error occured"
stop
END IF
!
!Get dataspace's dimensinons.
!
CALL h5sget_simple_extent_dims_f(dataspace, dimsr, maxdimsr, error)
CALL check("h5sget_simple_extent_dims_f",error,total_error)
IF ((dimsr(1) .NE. dims1(1)) .OR. (dimsr(2) .NE. dims1(2))) THEN
write(*,*) "dataset dimensions error occured"
stop
END IF
!
!Get creation property list.
!
CALL h5dget_create_plist_f(dset_id, crp_list, error)
CALL check("h5dget_create_plist_f",error,total_error)
!
!create memory dataspace.
!
CALL h5screate_simple_f(rankr, dimsr, memspace, error)
CALL check("h5screate_simple_f",error,total_error)
!
!Read data
!
CALL H5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error, &
memspace, dataspace)
CALL check("h5dread_f",error,total_error)
!
!Compare the data.
!
do i = 1, dims1(1)
do j = 1, dims1(2)
IF (data_out(i,j) .NE. data_in(i, j)) THEN
write(*, *) "extend dataset test error occured"
write(*, *) "read value is not the same as the written values"
END IF
end do
end do
!
!Close the dataspace for the dataset.
!
CALL h5sclose_f(dataspace, error)
CALL check("h5sclose_f",error,total_error)
!
!Close the memspace for the dataset.
!
CALL h5sclose_f(memspace, error)
CALL check("h5sclose_f",error,total_error)
!
!Close the property list.
!
CALL h5pclose_f(crp_list, error)
CALL check("h5pclose_f",error,total_error)
!
!Close the dataset.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f",error,total_error)
!
!Close the file.
!
CALL h5fclose_f(file_id, error)
CALL check("h5fclose_f",error,total_error)
!
! Close FORTRAN predefined datatypes.
!
! CALL h5close_types_f(error)
! CALL check("h5close_types_f",error,total_error)
RETURN
END SUBROUTINE extenddsettest
! END MODULE H5DTEST
|
