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C * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
C Copyright by The HDF Group. *
C Copyright by the Board of Trustees of the University of Illinois. *
C All rights reserved. *
C *
C This file is part of HDF. The full HDF copyright notice, including *
C terms governing use, modification, and redistribution, is contained in *
C the COPYING file, which can be found at the root of the source code *
C distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/. *
C If you do not have access to either file, you may request a copy from *
C help@hdfgroup.org. *
C * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
program test_szip
implicit none
C
C------- Begin Variables declarations -----------------------------------
C
integer N_COMP_ARG, N_TYPES
parameter (N_COMP_ARG = 5, N_TYPES = 4)
integer sd_id, sds_id(N_TYPES), sds_index(N_TYPES)
integer type(N_TYPES)
integer RANK, comp_type, comp_type_out
integer comp_arg(N_COMP_ARG), comp_prm_out(5)
integer d_dims(2)
integer start(2), stride(2), edges(2)
integer status
integer err_szip
character*14 file
character*17 name(4)
integer n, m, n_part, m_part
integer n_part_stride, m_part_stride
integer n_part_start, m_part_start
integer n_stride, m_stride
integer n_start, m_start
integer n_edges, m_edges
integer i, j, l, kl, kj, i_comp
C
C SDS functions declarations
include 'mffunc.inc'
external hconfinf
integer hconfinf
C
C Initial data declarations( change if you which to test larger arrays )
C
C Data array dimensions n and m and RANK
C
parameter (n = 12, m = 4, RANK = 2)
C
C Part data dimensions n_part, m_part
C
parameter (n_part = 5, m_part = 2)
C
C Stride and start coordinates of part_data
C
parameter (n_part_stride = 1, m_part_stride = 1)
parameter (n_part_start = 2, m_part_start = 1)
C
C Start, stride and edges parameters in each dimension
C
parameter (n_start = 0, m_start = 0)
parameter (n_stride = 1, m_stride = 1)
parameter (n_edges = n, m_edges = m)
C
C Data declaration
C
integer*2 data2(n,m), data2_out(n_part,m_part)
integer*4 data4(n,m), data4_out(n_part,m_part)
real*4 rdata4(n,m), rdata4_out(n_part,m_part)
real*8 rdata8(n,m), rdata8_out(n_part,m_part)
C
C HDF parameters initialization
C
C
C Read/Write parameters
C
integer DFACC_CREATE,
. DFACC_WRITE,
. DFACC_READ
parameter (DFACC_CREATE = 4,
. DFACC_READ = 1,
. DFACC_WRITE = 2)
C
C Data type parameters
C
integer DFNT_INT16,
. DFNT_INT32,
. DFNT_FLOAT32,
. DFNT_FLOAT64
parameter (DFNT_INT16 = 22,
. DFNT_INT32 = 24,
. DFNT_FLOAT32 = 5,
. DFNT_FLOAT64 = 6)
C
C Compression parameters
C
integer COMP_CODE_SZIP,
. SZ_EC_OPTION_MASK,
. SZ_NN_OPTION_MASK
parameter (COMP_CODE_SZIP = 5,
. SZ_EC_OPTION_MASK = 4,
. SZ_NN_OPTION_MASK = 32)
C
C Compression arguments ( defined for clarity, actual values
C will be passed to SFSCHUNK function via comp_arg parameter)
C
integer pixels_per_block
parameter (pixels_per_block = 12)
C--------------------End of declarations------------------------------
C
C-------------------IS SZIP compression present with encoder?--------
integer info
err_szip = 0
comp_type = COMP_CODE_SZIP
status = hconfinf(comp_type, info)
if(status .LT. 0) then
err_szip = err_szip + 1
goto 1111
endif
if(info .EQ. 0 ) then
print *,'Skipping test_szip: compression is not available'
print *,' '
goto 3333
endif
if(info .EQ. 1) then
print *,'Skipping test_szip: szip encoding is not available'
print *,' '
goto 3333
endif
C
C
C We will write to five different files corresponding to the
C different compression types
C
C NO compression
C
file = 'comp_szip.hdf'
name(1) = 'szip_data_int16'
name(2) = 'szip_data_int32'
name(3) = 'szip_data_float32'
name(4) = 'szip_data_float64'
type(1) = DFNT_INT16
type(2) = DFNT_INT32
type(3) = DFNT_FLOAT32
type(4) = DFNT_FLOAT64
C
C Dimension sizes array initialization
C
d_dims(1) = n
d_dims(2) = m
C
C Initialize original array
C
do 20 j = 1, m
do 10 i = 1, n
data2(i,j) = 10*j + i
data4(i,j) = 10*j + i
rdata4(i,j) = 10*j + i
rdata8(i,j) = 10*j + i
10 continue
20 continue
C
C Initialize SD interfaces
C
sd_id = sfstart (file, DFACC_CREATE)
C
C Set compression type and compression arguments
C
C
C Initialize compression arguments array
C
comp_type = COMP_CODE_SZIP
comp_arg(1) = SZ_NN_OPTION_MASK
comp_arg(2) = pixels_per_block
C
C Main loop through different compression types
C
do 1000 i_comp = 1, N_TYPES
C
C Create the data set
C
sds_id(i_comp) = sfcreate(sd_id, name(i_comp),
. type(i_comp), RANK, d_dims)
if( sds_id(i_comp) .eq. -1 ) then
print *, 'sfcreate failed for', i_comp, ' -th dataset'
err_szip = err_szip + 1
endif
status = sfscompress(sds_id(i_comp), comp_type, comp_arg)
if( status .ne. 0 ) then
print *, 'sfscompress failed for', i_comp, ' -th dataset'
err_szip = err_szip + 1
endif
C
C Write data to the file
C
start(1) = n_start
start(2) = m_start
stride(1) = n_stride
stride(2) = m_stride
edges(1) = n_edges
edges(2) = m_edges
if (i_comp .eq. 1) then
status = sfwdata(sds_id(i_comp), start, stride,
. edges, data2)
endif
if (i_comp .eq. 2) then
status = sfwdata(sds_id(i_comp), start, stride,
. edges, data4)
endif
if (i_comp .eq. 3) then
status = sfwdata(sds_id(i_comp), start, stride,
. edges, rdata4)
endif
if (i_comp .eq. 4) then
status = sfwdata(sds_id(i_comp), start, stride,
. edges, rdata8)
endif
if( status .ne. 0 ) then
print *, 'sfwdata failed for', i_comp, ' -th dataset'
err_szip = err_szip + 1
endif
status = sfendacc(sds_id(i_comp))
if( status .ne. 0 ) then
print *, 'sfendacc failed for', i_comp, ' -th dataset'
err_szip = err_szip + 1
endif
1000 continue
status = sfend (sd_id)
if( status .ne. 0 ) then
print *, 'sfend failed'
err_szip = err_szip + 1
endif
C
C Let's check what we have written
C
C Open files and restart SD interfaces
C
sd_id = sfstart (file, DFACC_READ)
if( sd_id .eq. -1 ) then
print *, 'sfstart failed'
err_szip = err_szip + 1
endif
do 2000 i = 1, N_TYPES
C
C Find written dataset in each file using its name and index
C
sds_index(i) = sfn2index (sd_id, name(i))
if( sds_index(i) .eq. -1 ) then
print *, 'sfn2index failed for', i, ' -th dataset'
err_szip = err_szip + 1
endif
sds_id(i) = sfselect (sd_id, sds_index(i))
if( sds_id(i) .eq. -1 ) then
print *, 'sfselect failed for', i, ' -th dataset'
err_szip = err_szip + 1
endif
C
C Find out type of compression used and compression parameters.
C
status = sfgcompress(sds_id(i), comp_type_out, comp_prm_out)
if (status .eq. -1) then
print *, 'sfgcompress failed for', i, ' -th dataset'
err_szip = err_szip + 1
endif
if (comp_type_out .ne. COMP_CODE_SZIP) then
print *, 'wrong compression type for szip
. compressed dataset'
err_szip = err_szip + 1
endif
if ((comp_arg(1) .ne. comp_prm_out(1)) .or.
. (comp_arg(2) .ne. comp_prm_out(2))) then
print *, 'wrong compression parameter'
err_szip = err_szip + 1
endif
C
C Read part of the data back using sfrdata function
C
start(1) = n_part_start
start(2) = m_part_start
edges(1) = n_part
edges(2) = m_part
stride(1) = n_part_stride
stride(2) = m_part_stride
if (i .eq. 1) then
status = sfrdata(sds_id(i), start, stride,
. edges, data2_out)
endif
if (i .eq. 2) then
status = sfrdata(sds_id(i), start, stride,
. edges, data4_out)
endif
if (i .eq. 3) then
status = sfrdata(sds_id(i), start, stride,
. edges, rdata4_out)
endif
if (i .eq. 4) then
status = sfrdata(sds_id(i), start, stride,
. edges, rdata8_out)
endif
if (status .ne. 0) then
print *, 'sfrdata failed for reading part data for ',
. i, '-th dataset'
err_szip = err_szip + 1
endif
C
C Compare output with actual data
C
if (i .eq. 1) then
do 204 j = 1, m_part
do 203 l = 1, n_part
kl = n_part_start + 1 + (l-1)*n_part_stride
kj = m_part_start + 1 + (j-1)*m_part_stride
if (data2(kl, kj) .ne. data2_out(l,j)) then
print *, 'sfrdata read wrong data for ',
. i ,'-th dataset'
err_szip = err_szip +1
endif
203 continue
204 continue
endif
if (i .eq. 2) then
do 206 j = 1, m_part
do 205 l = 1, n_part
kl = n_part_start + 1 + (l-1)*n_part_stride
kj = m_part_start + 1 + (j-1)*m_part_stride
if (data4(kl, kj) .ne. data4_out(l,j)) then
print *, 'sfrdata read wrong data for ',
. i ,'-th dataset'
err_szip = err_szip +1
endif
205 continue
206 continue
endif
if (i .eq. 3) then
do 208 j = 1, m_part
do 207 l = 1, n_part
kl = n_part_start + 1 + (l-1)*n_part_stride
kj = m_part_start + 1 + (j-1)*m_part_stride
if (rdata4(kl, kj) .ne. rdata4_out(l,j)) then
print *, 'sfrdata read wrong data for ',
. i ,'-th dataset'
err_szip = err_szip +1
endif
207 continue
208 continue
endif
if (i .eq. 4) then
do 210 j = 1, m_part
do 209 l = 1, n_part
kl = n_part_start + 1 + (l-1)*n_part_stride
kj = m_part_start + 1 + (j-1)*m_part_stride
if (rdata8(kl, kj) .ne. rdata8_out(l,j)) then
print *, 'sfrdata read wrong data for ',
. i ,'-th dataset'
err_szip = err_szip +1
endif
209 continue
210 continue
endif
C
C Terminate access to SDS, shutdown interfaces and close the files
C
status = sfendacc(sds_id(i))
if( status .ne. 0 ) then
print *, 'sfendacc failed for', i, '-th dataset'
err_szip = err_szip + 1
endif
2000 continue
status = sfend(sd_id)
if( status .ne. 0 ) then
print *, 'sfend failed'
err_szip = err_szip + 1
endif
1111 continue
if (err_szip .ne. 0) then
print *, 'test_szip failed with ', err_szip, ' errors'
print *,' '
endif
if (err_szip .eq. 0) then
print *, 'test_szip.................. PASSED'
print *,' '
endif
3333 continue
end
|
