hdf5/fortran/test/tH5Z.f90

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!****h* root/fortran/test/tH5Z.f90
!
! NAME
! tH5Z.f90
!
! FUNCTION
! Basic testing of Fortran H5Z szip 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
! filters_test, szip_test
!
!*****
MODULE TH5Z
CONTAINS
SUBROUTINE filters_test(total_error)
! This subroutine tests following functionalities: h5zfilter_avail_f, h5zunregister_f
USE HDF5 ! This module contains all necessary modules
USE TH5_MISC
IMPLICIT NONE
INTEGER, INTENT(OUT) :: total_error
LOGICAL :: status
INTEGER(HID_T) :: crtpr_id, xfer_id
INTEGER :: nfilters
INTEGER :: error
INTEGER(HSIZE_T) :: ch_dims(2)
INTEGER :: RANK = 2
INTEGER :: dlevel = 6
INTEGER :: edc_flag
ch_dims(1) = 10
ch_dims(2) = 3
!
! Deflate filter
!
CALL h5zfilter_avail_f(H5Z_FILTER_DEFLATE_F, status, error)
CALL check("h5zfilter_avail_f", error, total_error)
if(status) then
CALL h5pcreate_f(H5P_DATASET_CREATE_F, crtpr_id, error)
CALL check("h5pcreate_f", error, total_error)
CALL h5pset_chunk_f(crtpr_id, RANK, ch_dims, error)
CALL check("h5pset_chunk_f",error, total_error)
CALL h5pset_deflate_f(crtpr_id, dlevel, error)
CALL check("h5pset_deflate_f", error, total_error)
CALL h5pclose_f(crtpr_id,error)
CALL check("h5pclose_f", error, total_error)
endif
!
! Shuffle filter
!
CALL h5zfilter_avail_f(H5Z_FILTER_SHUFFLE_F, status, error)
CALL check("h5zfilter_avail_f", error, total_error)
if(status) then
CALL h5pcreate_f(H5P_DATASET_CREATE_F, crtpr_id, error)
CALL check("h5pcreate_f", error, total_error)
CALL h5pset_chunk_f(crtpr_id, RANK, ch_dims, error)
CALL check("h5pset_chunk_f",error, total_error)
CALL h5pset_shuffle_f(crtpr_id, error)
CALL check("h5pset_shuffle_f", error, total_error)
CALL h5pclose_f(crtpr_id,error)
CALL check("h5pclose_f", error, total_error)
endif
!
! Checksum filter
!
CALL h5zfilter_avail_f(H5Z_FILTER_FLETCHER32_F, status, error)
CALL check("h5zfilter_avail_f", error, total_error)
if(status) then
CALL h5pcreate_f(H5P_DATASET_CREATE_F, crtpr_id, error)
CALL check("h5pcreate_f", error, total_error)
CALL h5pset_chunk_f(crtpr_id, RANK, ch_dims, error)
CALL check("h5pset_chunk_f",error, total_error)
CALL h5pset_fletcher32_f(crtpr_id, error)
CALL check("h5pset_fletcher32_f", error, total_error)
CALL h5pclose_f(crtpr_id,error)
CALL check("h5pclose_f", error, total_error)
CALL h5pcreate_f(H5P_DATASET_XFER_F, xfer_id, error)
CALL check("h5pcreate_f", error, total_error)
CALL h5pset_edc_check_f( xfer_id, H5Z_DISABLE_EDC_F, error)
CALL check("h5pset_edc_check_f", error, total_error)
CALL h5pget_edc_check_f( xfer_id, edc_flag, error)
CALL check("h5pget_edc_check_f", error, total_error)
if (edc_flag .ne. H5Z_DISABLE_EDC_F) then
write(*,*) "EDC status is wrong"
total_error = total_error + 1
endif
CALL h5pclose_f(xfer_id, error)
CALL check("h5pclose_f", error, total_error)
endif
!
! Verify h5premove_filter_f
!
CALL h5zfilter_avail_f(H5Z_FILTER_FLETCHER32_F, status, error)
CALL check("h5zfilter_avail_f", error, total_error)
if(status) then
CALL h5zfilter_avail_f(H5Z_FILTER_SHUFFLE_F, status, error)
CALL check("h5zfilter_avail_f", error, total_error)
if(status) then
CALL h5pcreate_f(H5P_DATASET_CREATE_F, crtpr_id, error)
CALL check("h5pcreate_f", error, total_error)
CALL h5pset_fletcher32_f(crtpr_id, error)
CALL check("h5pset_fletcher32_f", error, total_error)
CALL h5pset_shuffle_f(crtpr_id, error)
CALL check("h5pset_shuffle_f", error, total_error)
CALL h5pget_nfilters_f(crtpr_id, nfilters, error)
CALL check("h5pget_nfilters_f", error, total_error)
! Verify the correct number of filters
if (nfilters .ne. 2) then
write(*,*) "number of filters is wrong"
total_error = total_error + 1
endif
! Delete a single filter
CALL h5premove_filter_f(crtpr_id, H5Z_FILTER_SHUFFLE_F, error)
CALL check("h5pset_shuffle_f", error, total_error)
! Verify the correct number of filters now
CALL h5pget_nfilters_f(crtpr_id, nfilters, error)
CALL check("h5pget_nfilters_f", error, total_error)
if (nfilters .ne. 1) then
write(*,*) "number of filters is wrong"
total_error = total_error + 1
endif
! Delete all filters
CALL h5premove_filter_f(crtpr_id, H5Z_FILTER_ALL_F, error)
CALL check("h5premove_filter_f", error, total_error)
! Verify the correct number of filters now
CALL h5pget_nfilters_f(crtpr_id, nfilters, error)
CALL check("h5pget_nfilters_f", error, total_error)
if (nfilters .ne. 0) then
write(*,*) "number of filters is wrong"
total_error = total_error + 1
endif
CALL h5pclose_f(crtpr_id,error)
CALL check("h5pclose_f", error, total_error)
endif
endif
RETURN
END SUBROUTINE filters_test
SUBROUTINE szip_test(szip_flag, cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
USE TH5_MISC
IMPLICIT NONE
LOGICAL, INTENT(OUT) :: szip_flag
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
CHARACTER(LEN=4), PARAMETER :: filename = "szip" ! File name
CHARACTER(LEN=80) :: fix_filename
CHARACTER(LEN=4), PARAMETER :: dsetname = "dset" ! Dataset name
INTEGER, PARAMETER :: N = 1024
INTEGER, PARAMETER :: NN = 64
INTEGER, PARAMETER :: M = 512
INTEGER, PARAMETER :: MM = 32
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 = (/N,M/) ! Dataset dimensions
INTEGER(HSIZE_T), DIMENSION(2) :: chunk_dims = (/NN, MM/)
INTEGER :: rank = 2 ! Dataset rank
INTEGER, DIMENSION(N,M) :: dset_data, data_out ! Data buffers
INTEGER :: error ! Error flag
INTEGER :: num_errors = 0 ! Number of data errors
INTEGER :: i, j !general purpose integers
INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
INTEGER(HID_T) :: crp_list
INTEGER :: options_mask, pix_per_block
LOGICAL :: flag
CHARACTER(LEN=4) filter_name
INTEGER :: filter_flag = -1
INTEGER(SIZE_T) :: cd_nelemnts = 4
INTEGER(SIZE_T) :: filter_name_len = 4
INTEGER, DIMENSION(4) :: cd_values
INTEGER :: config_flag = 0 ! for h5zget_filter_info_f
INTEGER :: config_flag_both = 0 ! for h5zget_filter_info_f
!
! Verify that SZIP exists and has an encoder
!
CALL h5zfilter_avail_f(H5Z_FILTER_SZIP_F, szip_flag, error)
CALL check("h5zfilter_avail", error, total_error)
! Quit if failed
if (error .ne. 0) return
! Skip if no SZIP available
if (.NOT. szip_flag)then
return
else !SZIP available
! Continue
CALL h5zget_filter_info_f(H5Z_FILTER_SZIP_F, config_flag, error)
CALL check("h5zget_filter_info_f", error, total_error)
! Quit if failed
if (error .ne. 0) return
!
! Make sure h5zget_filter_info_f returns the right flag
!
config_flag_both=IOR(H5Z_FILTER_ENCODE_ENABLED_F,H5Z_FILTER_DECODE_ENABLED_F)
if( szip_flag ) then
if (config_flag .NE. config_flag_both) then
if(config_flag .NE. H5Z_FILTER_DECODE_ENABLED_F) then
error = -1
CALL check("h5zget_filter_info_f config_flag", error, total_error)
endif
endif
endif
! Continue only when encoder is available
if ( IAND(config_flag, H5Z_FILTER_ENCODE_ENABLED_F) .EQ. 0 ) return
options_mask = H5_SZIP_NN_OM_F
pix_per_block = 32
!
! Initialize the dset_data array.
!
do i = 1, N
do j = 1, M
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)
CALL h5pcreate_f(H5P_DATASET_CREATE_F, crp_list, error)
CALL check("h5pcreat_f",error,total_error)
CALL h5pset_chunk_f(crp_list, rank, chunk_dims, error)
CALL check("h5pset_chunk_f",error,total_error)
CALL h5pset_szip_f(crp_list, options_mask, pix_per_block, error)
CALL check("h5pset_szip_f",error,total_error)
CALL h5pall_filters_avail_f(crp_list, flag, error)
CALL check("h5pall_filters_avail_f",error,total_error)
if (.NOT. flag) then
CALL h5pclose_f(crp_list, error)
CALL h5sclose_f(dspace_id, error)
CALL h5fclose_f(file_id, error)
szip_flag = .FALSE.
total_error = -1
return
endif
CALL h5pget_filter_by_id_f(crp_list, H5Z_FILTER_SZIP_F, filter_flag, &
cd_nelemnts, cd_values,&
filter_name_len, filter_name, error)
CALL check("h5pget_filter_by_id_f",error,total_error)
!
! Create the dataset with default properties.
!
CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dspace_id, &
dset_id, error, crp_list)
CALL check("h5dcreate_f", error, total_error)
!
! Write the dataset.
!
data_dims(1) = N
data_dims(2) = M
CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims, 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 h5pclose_f(crp_list, error)
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 check("h5pget_filter_by_id_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, N
do j = 1, M
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 written"
num_errors = num_errors + 1
IF (num_errors .GE. 512) THEN
write(*, *) "maximum data errors reached"
goto 100
END IF
END IF
end do
end do
100 IF (num_errors .GT. 0) THEN
total_error=total_error + 1
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)
!
! 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)
endif ! SZIP available
RETURN
END SUBROUTINE szip_test
END MODULE TH5Z