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+!****h* root/fortran/test/tH5VL.f90
+!
+! NAME
+! tH5VL.f90
+!
+! FUNCTION
+! Basic testing of Fortran Variable_length datatypes 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. *
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!
+! CONTAINS SUBROUTINES
+! vl_test_integer, vl_test_real, vl_test_string
+!
+!*****
+
+MODULE TH5VL
+ USE HDF5 ! This module contains all necessary modules
+ USE TH5_MISC
+ USE TH5_MISC_GEN
+
+CONTAINS
+
+ SUBROUTINE vl_test_integer(cleanup, total_error)
+
+ IMPLICIT NONE
+ LOGICAL, INTENT(IN) :: cleanup
+ INTEGER, INTENT(OUT) :: total_error
+
+ CHARACTER(LEN=7), PARAMETER :: filename = "VLtypes" ! File name
+ CHARACTER(LEN=80) :: fix_filename
+ CHARACTER(LEN=5), PARAMETER :: dsetname = "VLint" ! 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) :: vltype_id ! Datatype identifier
+
+
+ INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/6/) ! Dataset dimensions
+ INTEGER(SIZE_T), DIMENSION(6) :: len ! Elements lengths
+ INTEGER(SIZE_T), DIMENSION(6) :: len_out
+ INTEGER :: rank = 1 ! Dataset rank
+
+ INTEGER, DIMENSION(5,6) :: vl_int_data ! Data buffers
+ INTEGER, DIMENSION(5,6) :: vl_int_data_out ! Data buffers
+ INTEGER :: error ! Error flag
+
+ INTEGER :: i, j !general purpose integers
+ INTEGER(HSIZE_T) :: ih, jh !general purpose integers
+ INTEGER(HSIZE_T), DIMENSION(2) :: data_dims = (/5,6/)
+ INTEGER(SIZE_T) max_len
+
+ !
+ ! Initialize the vl_int_data array.
+ !
+ do i = 1, 6
+ do j = 1, 5
+ vl_int_data(j,i) = -100
+ end do
+ end do
+
+ do i = 2, 6
+ do j = 1, i-1
+ vl_int_data(j,i) = i-1
+ end do
+ end do
+
+ do i = 1,6
+ len(i) = i-1
+ 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 the dataset with default properties.
+ !
+ CALL h5tvlen_create_f(H5T_NATIVE_INTEGER, vltype_id, error)
+ CALL check("h5dvlen_create_f", error, total_error)
+
+ CALL h5dcreate_f(file_id, dsetname, vltype_id, dspace_id, &
+ dset_id, error)
+ CALL check("h5dcreate_f", error, total_error)
+
+ !
+ ! Write the dataset.
+ !
+ CALL h5dwrite_vl_f(dset_id, vltype_id, vl_int_data, data_dims, len, error)
+ CALL check("h5dwrite_int_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)
+
+ !
+ ! 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 h5dvlen_get_max_len_f(dset_id, vltype_id, dspace_id, max_len, error)
+ CALL check("h5dvlen_get_max_len_f", error, total_error)
+ if(max_len .ne. data_dims(1)) then
+ total_error = total_error + 1
+ write(*,*) "Wrong number of elemets returned by h5dvlen_get_max_len_f"
+ endif
+ !
+ ! Read the dataset.
+ !
+ CALL h5dread_vl_f(dset_id, vltype_id, vl_int_data_out, data_dims, len_out, &
+ error, mem_space_id = dspace_id, file_space_id = dspace_id)
+ CALL check("h5dread_int_f", error, total_error)
+ do ih = 1, data_dims(2)
+ do jh = 1, len_out(ih)
+ if(vl_int_data(jh,ih) .ne. vl_int_data_out(jh,ih)) then
+ total_error = total_error + 1
+ write(*,*) "h5dread_vl_f returned incorrect data"
+ endif
+ enddo
+ if (len(ih) .ne. len_out(ih)) then
+ total_error = total_error + 1
+ write(*,*) "h5dread_vl_f returned incorrect data"
+ endif
+ enddo
+
+ !
+ CALL h5dclose_f(dset_id, error)
+ CALL check("h5dclose_f", error, total_error)
+
+ CALL h5tclose_f(vltype_id, error)
+ CALL check("h5tclose_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)
+ if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+ CALL check("h5_cleanup_f", error, total_error)
+
+ RETURN
+ END SUBROUTINE vl_test_integer
+
+ SUBROUTINE vl_test_real(cleanup, total_error)
+
+ IMPLICIT NONE
+ LOGICAL, INTENT(IN) :: cleanup
+ INTEGER, INTENT(OUT) :: total_error
+
+ CHARACTER(LEN=8), PARAMETER :: filename = "VLtypesR" ! File name
+ CHARACTER(LEN=80) :: fix_filename
+ CHARACTER(LEN=6), PARAMETER :: dsetname = "VLreal" ! 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) :: vltype_id ! Datatype identifier
+
+
+ INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/6/) ! Dataset dimensions
+ INTEGER(SIZE_T), DIMENSION(6) :: len ! Elements lengths
+ INTEGER(SIZE_T), DIMENSION(6) :: len_out
+ INTEGER :: rank = 1 ! Dataset rank
+
+ REAL, DIMENSION(5,6) :: vl_real_data ! Data buffers
+ REAL, DIMENSION(5,6) :: vl_real_data_out ! Data buffers
+ INTEGER :: error ! Error flag
+
+ INTEGER :: i, j !general purpose integers
+ INTEGER(HSIZE_T) :: ih, jh !general purpose integers
+ INTEGER(HSIZE_T), DIMENSION(2) :: data_dims = (/5,6/)
+ INTEGER(SIZE_T) max_len
+ INTEGER(HID_T) :: vl_type_id
+ LOGICAL :: vl_flag
+
+ !
+ ! Initialize the vl_int_data array.
+ !
+ do i = 1, 6
+ do j = 1, 5
+ vl_real_data(j,i) = -100.
+ end do
+ end do
+
+ do i = 2, 6
+ do j = 1, i-1
+ vl_real_data(j,i) = i-1
+ end do
+ end do
+
+ do i = 1,6
+ len(i) = i-1
+ 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 the dataset with default properties.
+ !
+ CALL h5tvlen_create_f(H5T_NATIVE_REAL, vltype_id, error)
+ CALL check("h5dvlen_create_f", error, total_error)
+
+ CALL h5dcreate_f(file_id, dsetname, vltype_id, dspace_id, &
+ dset_id, error)
+ CALL check("h5dcreate_f", error, total_error)
+ CALL h5dget_type_f(dset_id, vl_type_id, error)
+ CALL check("h5dget_type_f", error, total_error)
+ CALL h5tis_variable_str_f( vl_type_id, vl_flag, error)
+ CALL check("h5tis_variable_str_f", error, total_error)
+ if( vl_flag ) then
+ write(*,*) "type is wrong"
+ total_error = total_error + 1
+ endif
+
+
+ !
+ ! Write the dataset.
+ !
+ CALL h5dwrite_vl_f(dset_id, vltype_id, vl_real_data, data_dims, len, error)
+ CALL check("h5dwrite_vl_real_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)
+
+ !
+ ! 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 h5dvlen_get_max_len_f(dset_id, vltype_id, dspace_id, max_len, error)
+ CALL check("h5dvlen_get_max_len_f", error, total_error)
+ if(max_len .ne. data_dims(1)) then
+ total_error = total_error + 1
+ write(*,*) "Wrong number of elemets returned by h5dvlen_get_max_len_f"
+ endif
+ !
+ ! Read the dataset.
+ !
+ CALL h5dread_vl_f(dset_id, vltype_id, vl_real_data_out, data_dims, len_out, &
+ error, mem_space_id = dspace_id, file_space_id = dspace_id)
+ CALL check("h5dread_real_f", error, total_error)
+ DO ih = 1, data_dims(2)
+ DO jh = 1, len_out(ih)
+ CALL VERIFY("h5dread_vl_f returned incorrect data",vl_real_data(jh,ih),vl_real_data_out(jh,ih), total_error)
+ ENDDO
+ IF (LEN(ih) .NE. len_out(ih)) THEN
+ total_error = total_error + 1
+ WRITE(*,*) "h5dread_vl_f returned incorrect data"
+ ENDIF
+ ENDDO
+
+
+ !
+ CALL h5dclose_f(dset_id, error)
+ CALL check("h5dclose_f", error, total_error)
+
+ CALL h5tclose_f(vltype_id, error)
+ CALL check("h5tclose_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)
+ if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+ CALL check("h5_cleanup_f", error, total_error)
+
+ RETURN
+ END SUBROUTINE vl_test_real
+
+ SUBROUTINE vl_test_string(cleanup, total_error)
+
+ IMPLICIT NONE
+ LOGICAL, INTENT(IN) :: cleanup
+ INTEGER, INTENT(OUT) :: total_error
+
+ CHARACTER(LEN=8), PARAMETER :: filename = "VLtypesS" ! File name
+ CHARACTER(LEN=80) :: fix_filename
+ CHARACTER(LEN=9), PARAMETER :: dsetname = "VLstrings" ! Dataset name
+
+ INTEGER(HID_T) :: file_id ! File identifier
+ INTEGER(HID_T) :: dset_id ! Dataset identifier
+ INTEGER(HID_T) :: dspace_id ! Dataspace identifier
+
+
+ INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/4/) ! Dataset dimensions
+ INTEGER(SIZE_T), DIMENSION(4) :: str_len ! Elements lengths
+ INTEGER(SIZE_T), DIMENSION(4) :: str_len_out
+ INTEGER :: rank = 1 ! Dataset rank
+
+ CHARACTER(LEN=10), DIMENSION(4) :: string_data ! Array of strings
+ CHARACTER(LEN=10), DIMENSION(4) :: string_data_out ! Data buffers
+ INTEGER :: error ! Error flag
+
+ INTEGER(HSIZE_T) :: ih !general purpose integers
+ INTEGER(HSIZE_T), DIMENSION(2) :: data_dims = (/10,4/)
+ INTEGER(HID_T) :: vl_type_id
+ LOGICAL :: vl_flag
+
+ !
+ ! Initialize the string_data array.
+ !
+ string_data(1) = 'This is '
+ str_len(1) = 8
+ string_data(2) = 'a fortran '
+ str_len(2) = 10
+ string_data(3) = 'strings '
+ str_len(3) = 8
+ string_data(4) = 'test. '
+ str_len(4) = 5
+
+
+ !
+ ! 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 the dataset with default properties.
+ !
+ CALL h5dcreate_f(file_id, dsetname, H5T_STRING, dspace_id, &
+ dset_id, error)
+ CALL check("h5dcreate_f", error, total_error)
+ !
+ ! Check that dataset has a string datatype
+ !
+ CALL h5dget_type_f(dset_id, vl_type_id, error)
+ CALL check("h5dget_type_f", error, total_error)
+ CALL h5tis_variable_str_f( vl_type_id, vl_flag, error)
+ CALL check("h5tis_variable_str_f", error, total_error)
+ if( .NOT. vl_flag ) then
+ write(*,*) "type is wrong"
+ total_error = total_error + 1
+ endif
+
+ !
+ ! Write the dataset.
+ !
+ CALL h5dwrite_vl_f(dset_id, H5T_STRING, string_data, data_dims, str_len, error)
+ CALL check("h5dwrite_string_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)
+
+ !
+ ! 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)
+ !
+ ! Read the dataset.
+ !
+ CALL h5dread_vl_f(dset_id, H5T_STRING, string_data_out, data_dims, &
+ str_len_out, error)
+ CALL check("h5dread_string_f", error, total_error)
+ do 100 ih = 1, data_dims(2)
+ if(str_len(ih) .ne. str_len_out(ih)) then
+ total_error=total_error + 1
+ write(*,*) 'Returned string length is incorrect'
+ goto 100
+ endif
+ if(string_data(1)(1:str_len(ih)) .ne. string_data_out(1)(1:str_len(ih))) then
+ write(*,*) ' Returned string is wrong'
+ total_error = total_error + 1
+ endif
+100 continue
+
+ !
+ 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)
+ if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+ CALL check("h5_cleanup_f", error, total_error)
+
+ RETURN
+ END SUBROUTINE vl_test_string
+END MODULE TH5VL