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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "hdf5.h"
#include "h5test.h"
#include "test_h5repack_add.h"
/*-------------------------------------------------------------------------
* Function: make_deflate
*
* Purpose: make a dataset using DEFLATE (GZIP) compression
*
* Return: Success: zero
* Failure: 1
*
* Programmer: Pedro Vicente <pvn@ncsa.uiuc.edu>
* September, 19, 2003
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
make_deflate(hid_t fid)
{
hid_t dcpl; /* dataset creation property list */
hid_t dsid; /* dataset ID */
hid_t sid; /* dataspace ID */
int rank=2;
hsize_t dims[2]={4,2};
hsize_t chunk_dims[2]={2,1};
int buf[4][2]={{1,2},{3,4},{5,6},{7,8}};
/* create a space */
if((sid = H5Screate_simple(rank, dims, NULL))<0)
TEST_ERROR;
/* create the dataset creation property list */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE))<0)
TEST_ERROR;
/* set up for deflated data */
if(H5Pset_chunk(dcpl, rank, chunk_dims)<0)
TEST_ERROR;
if(H5Pset_deflate(dcpl, 9)<0)
TEST_ERROR;
/* create the dataset */
if((dsid = H5Dcreate (fid, "dset1", H5T_NATIVE_INT, sid, dcpl))<0)
TEST_ERROR;
/* write the data to the dataset */
if(H5Dwrite(dsid, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf)<0)
TEST_ERROR;
/* close */
if(H5Dclose(dsid)<0)
TEST_ERROR;
if(H5Pclose(dcpl)<0)
TEST_ERROR;
if(H5Sclose(sid)<0)
TEST_ERROR;
return 0;
error:
return 1;
}
/*-------------------------------------------------------------------------
* Function: make_szip
*
* Purpose: make a dataset using SZIP compression
*
* Return: Success: zero
* Failure: 1
*
* Programmer: Pedro Vicente <pvn@ncsa.uiuc.edu>
* September, 19, 2003
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
make_szip(hid_t fid)
{
hid_t dcpl; /* dataset creation property list */
hid_t dsid; /* dataset ID */
hid_t sid; /* dataspace ID */
int rank=2;
hsize_t dims[2]={4,2};
hsize_t chunk_dims[2]={2,1};
int buf[4][2]={{1,2},{3,4},{5,6},{7,8}};
unsigned szip_options_mask=H5_SZIP_ALLOW_K13_OPTION_MASK|H5_SZIP_NN_OPTION_MASK;
unsigned szip_pixels_per_block;
/*
pixels_per_block must be an even number, and <= pixels_per_scanline
and <= MAX_PIXELS_PER_BLOCK
*/
szip_pixels_per_block=16;
/* create a space */
if((sid = H5Screate_simple(rank, dims, NULL))<0)
TEST_ERROR;
/* create the dataset creation property list */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE))<0)
TEST_ERROR;
/* set up for sziped data */
if(H5Pset_chunk(dcpl, rank, chunk_dims)<0)
TEST_ERROR;
if(H5Pset_szip (dcpl, szip_options_mask, szip_pixels_per_block)<0)
TEST_ERROR;
/* create the dataset */
if((dsid = H5Dcreate (fid, "dset2", H5T_NATIVE_INT, sid, dcpl))<0)
TEST_ERROR;
/* write the data to the dataset */
if(H5Dwrite(dsid, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf)<0)
TEST_ERROR;
/* close */
if(H5Dclose(dsid)<0)
TEST_ERROR;
if(H5Pclose(dcpl)<0)
TEST_ERROR;
if(H5Sclose(sid)<0)
TEST_ERROR;
return 0;
error:
return 1;
}
/*-------------------------------------------------------------------------
* Function: make_dsets
*
* Purpose: make several datasets with DEFLATE and SZIP filters
*
* Return: Success: zero
* Failure: 1
*
* Programmer: Pedro Vicente <pvn@ncsa.uiuc.edu>
* September, 19, 2003
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int make_dsets(void)
{
hid_t fid; /* file ID */
int nerrors=0;
TESTING(" generating datasets");
/* create a file */
if((fid = H5Fcreate (FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT))<0)
TEST_ERROR;
nerrors += make_deflate(fid);
nerrors += make_szip(fid);
/* close */
if(H5Fclose(fid)<0)
TEST_ERROR;
if (nerrors)
goto error;
PASSED();
return 0;
error:
return 1;
}
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