[svn-r27638] Merged r27500-27631 from trunk.

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diff --git a/fortran/test/tH5Z.F90 b/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