hdf5/fortran/test/tH5D.f90

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!****h* root/fortran/test/tH5D.f90
!
! NAME
! tH5D.f90
!
! FUNCTION
! Basic testing of Fortran H5D APIs.
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! Copyright by The HDF Group. *
! Copyright by the Board of Trustees of the University of Illinois. *
! All rights reserved. *
! *
! This file is part of HDF5. The full HDF5 copyright notice, including *
! terms governing use, modification, and redistribution, is contained in *
! the files COPYING and Copyright.html. COPYING can be found at the root *
! of the source code distribution tree; Copyright.html can be found at the *
! root level of an installed copy of the electronic HDF5 document set and *
! is linked from the top-level documents page. It can also be found at *
! http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
! access to either file, you may request a copy from help@hdfgroup.org. *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
! NOTES
! Tests the H5D APIs functionalities of:
! h5dcreate_f, h5dopen_f, h5dclose_f, h5dget_space_f, h5dget_type_f,
! h5dread_f, and h5dwrite_f, h5dget_space_status_f
!
!
! CONTAINS SUBROUTINES
! datasettest, extenddsettest
!
!*****
!
SUBROUTINE datasettest(cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
CHARACTER(LEN=5), PARAMETER :: filename = "dsetf" ! File name
CHARACTER(LEN=80) :: fix_filename
CHARACTER(LEN=4), PARAMETER :: dsetname = "dset" ! Dataset name
CHARACTER(LEN=9), PARAMETER :: null_dsetname = "null_dset" ! Dataset name
INTEGER(HID_T) :: file_id ! File identifier
INTEGER(HID_T) :: dset_id ! Dataset identifier
INTEGER(HID_T) :: null_dset ! Null dataset identifier
INTEGER(HID_T) :: dspace_id ! Dataspace identifier
INTEGER(HID_T) :: null_dspace ! Null 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(2) :: data_dims
INTEGER(HSIZE_T), DIMENSION(1) :: null_data_dim
INTEGER :: null_dset_data = 1 ! null data
INTEGER :: flag ! Space allocation status
!
! 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
!
! Create a new file using default properties.
!
CALL h5_fixname_f(filename, fix_filename, H5P_DEFAULT_F, error)
if (error .ne. 0) then
write(*,*) "Cannot modify filename"
stop
endif
CALL h5fcreate_f(fix_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 null dataspace.
!
CALL h5screate_f(H5S_NULL_F, null_dspace, 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)
!
! Create the null dataset.
!
CALL h5dcreate_f(file_id, null_dsetname, H5T_NATIVE_INTEGER, null_dspace, &
null_dset, error)
CALL check("h5dcreate_f", error, total_error)
!
! Write the dataset.
!
data_dims(1) = 4
data_dims(2) = 6
CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims, error)
CALL check("h5dwrite_f", error, total_error)
!
! Write null dataset. Nothing can be written.
!
null_data_dim(1) = 1
CALL h5dwrite_f(null_dset, H5T_NATIVE_INTEGER, null_dset_data, null_data_dim, 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)
CALL h5dclose_f(null_dset, 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)
CALL h5sclose_f(null_dspace, 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 (fix_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)
CALL h5dopen_f(file_id, null_dsetname, null_dset, error)
CALL check("h5dopen_f", error, total_error)
! Test whether space has been allocated for a dataset
CALL h5dget_space_status_f(dset_id, flag, error)
CALL check("h5dget_space_status_f",error, total_error)
CALL verify("h5dget_space_status_f", flag, H5D_SPACE_STS_ALLOCATED_F, total_error)
CALL h5dget_space_status_f(null_dset, flag, error)
CALL check("h5dget_space_status_f",error, total_error)
CALL verify("h5dget_space_status_f", flag, H5D_SPACE_STS_NOT_ALLOCATED_F, 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)
!
! Read the null dataset. Nothing should be read.
!
CALL h5dread_f(null_dset, H5T_NATIVE_INTEGER, null_dset_data, null_data_dim, 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
!
! Check if no change to null_dset_data
!
IF (null_dset_data .NE. 1) THEN
write(*, *) "null dataset test error occured"
END IF
!
! End access to the dataset and release resources used by it.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f", error, total_error)
CALL h5dclose_f(null_dset, 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)
if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
RETURN
END SUBROUTINE datasettest
!
!the following subroutine tests h5dextend_f functionality
!
SUBROUTINE extenddsettest(cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
!
!the dataset is stored in file "extf.h5"
!
CHARACTER(LEN=4), PARAMETER :: filename = "extf"
CHARACTER(LEN=80) :: fix_filename
!
!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(HSIZE_T), DIMENSION(2) :: 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 h5_fixname_f(filename, fix_filename, H5P_DEFAULT_F, error)
if (error .ne. 0) then
write(*,*) "Cannot modify filename"
stop
endif
CALL h5fcreate_f(fix_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 (fix_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)
if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
RETURN
END SUBROUTINE extenddsettest