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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Raymond Lu <slu@ncsa.uiuc.edu>
 *              Thursday, March 23, 2006
 *
 * Purpose:     Check if floating-point data created on big-endian and
 *              little-endian machines can be read on the machine running this test.
 */

#include "h5test.h"
#include "H5srcdir.h"

const char *FILENAME[] = {"vms_data", "le_data", "be_data", NULL};

#define DATASETNAME   "Array_le"
#define DATASETNAME1  "Array_be"
#define DATASETNAME2  "Scale_offset_float_data_le"
#define DATASETNAME3  "Scale_offset_float_data_be"
#define DATASETNAME4  "Scale_offset_double_data_le"
#define DATASETNAME5  "Scale_offset_double_data_be"
#define DATASETNAME6  "Scale_offset_char_data_le"
#define DATASETNAME7  "Scale_offset_char_data_be"
#define DATASETNAME8  "Scale_offset_short_data_le"
#define DATASETNAME9  "Scale_offset_short_data_be"
#define DATASETNAME10 "Scale_offset_int_data_le"
#define DATASETNAME11 "Scale_offset_int_data_be"
#define DATASETNAME12 "Scale_offset_long_long_data_le"
#define DATASETNAME13 "Scale_offset_long_long_data_be"

#define DATASETNAME14 "Fletcher_float_data_le"
#define DATASETNAME15 "Fletcher_float_data_be"
#define DATASETNAME16 "Deflate_float_data_le"
#define DATASETNAME17 "Deflate_float_data_be"
#ifdef H5_HAVE_FILTER_SZIP
#define DATASETNAME18 "Szip_float_data_le"
#define DATASETNAME19 "Szip_float_data_be"
#endif /* H5_HAVE_FILTER_SZIP */
#define DATASETNAME20 "Shuffle_float_data_le"
#define DATASETNAME21 "Shuffle_float_data_be"
#define DATASETNAME22 "Nbit_float_data_le"
#define DATASETNAME23 "Nbit_float_data_be"

#define NX 6
#define NY 6

/*-------------------------------------------------------------------------
 * Function:    open_dataset
 *
 * Purpose:     Read and compare the data from a dataset.
 *
 * Return:      Success:        0
 *              Failure:        1
 *
 * Programmer:  Raymond Lu
 *              17 May 2011
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static int
check_data(const char *dsetname, hid_t fid, hbool_t floating_number)
{
    hid_t     dataset;                  /* handles */
    double    data_in[NX + 1][NY];      /* input buffer */
    double    data_out[NX + 1][NY];     /* output buffer */
    long long int_data_in[NX + 1][NY];  /* input buffer */
    long long int_data_out[NX + 1][NY]; /* output buffer */
    int       i, j;
    unsigned  nerrors = 0;

    /*
     * Open the regular dataset.
     */
    if ((dataset = H5Dopen2(fid, dsetname, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /*
     * Data and output buffer initialization.
     */
    for (j = 0; j < NX; j++) {
        for (i = 0; i < NY; i++) {
            data_in[j][i]  = ((double)(i + j + 1)) / 3;
            data_out[j][i] = 0.0F;

            int_data_in[j][i]  = i + j;
            int_data_out[j][i] = 0;
        }
    }
    for (i = 0; i < NY; i++) {
        data_in[NX][i]  = -2.2F;
        data_out[NX][i] = 0.0F;

        int_data_in[NX][i]  = -2;
        int_data_out[NX][i] = 0;
    }

    /*
     * Read data from hyperslab in the file into the hyperslab in
     * memory and display.
     */
    if (floating_number) {
        if (H5Dread(dataset, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_out) < 0)
            TEST_ERROR;

        /* Check results */
        for (j = 0; j < (NX + 1); j++) {
            for (i = 0; i < NY; i++) {
                if (!DBL_REL_EQUAL(data_out[j][i], data_in[j][i], 0.001F)) {
                    if (!nerrors++) {
                        H5_FAILED();
                        HDprintf("element [%d][%d] is %g but should have been %g\n", j, i, data_out[j][i],
                                 data_in[j][i]);
                    }
                }
            }
        }
    }
    else {
        if (H5Dread(dataset, H5T_NATIVE_LLONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, int_data_out) < 0)
            TEST_ERROR;

        /* Check results */
        for (j = 0; j < (NX + 1); j++) {
            for (i = 0; i < NY; i++) {
                if (int_data_out[j][i] != int_data_in[j][i]) {
                    if (!nerrors++) {
                        H5_FAILED();
                        HDprintf("element [%d][%d] is %d but should have been %d\n", j, i,
                                 (int)int_data_out[j][i], (int)int_data_in[j][i]);
                    }
                }
            }
        }
    }

    /*
     * Close/release resources.
     */
    if (H5Dclose(dataset) < 0)
        TEST_ERROR

    /* Failure */
    if (nerrors) {
        HDprintf("total of %d errors out of %d elements\n", nerrors, NX * NY);
        return 1;
    }

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Dclose(dataset);
    }
    H5E_END_TRY;
    return 1;
}

/*-------------------------------------------------------------------------
 * Function:    open_dataset
 *
 * Purpose:     Handle each dataset from the data file.
 *
 * Return:      Success:        0
 *              Failure:        Number of failures
 *
 * Programmer:  Raymond Lu
 *              21 January 2011
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static int
open_dataset(char *fname)
{
    const char *pathname = H5_get_srcdir_filename(fname); /* Corrected test file name */
    hid_t       file;                                     /* handles */
    unsigned    nerrors       = 0;
    const char *not_supported = "    filter is not enabled.";

    /*
     * Open the file.
     */
    if ((file = H5Fopen(pathname, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    TESTING("regular dataset of LE DOUBLE");
    nerrors += check_data(DATASETNAME, file, TRUE);

    TESTING("regular dataset of BE DOUBLE");
    nerrors += check_data(DATASETNAME1, file, TRUE);

    TESTING("dataset of LE FLOAT with scale-offset filter");
    nerrors += check_data(DATASETNAME2, file, TRUE);

    TESTING("dataset of BE FLOAT with scale-offset filter");
    nerrors += check_data(DATASETNAME3, file, TRUE);

    TESTING("dataset of LE DOUBLE with scale-offset filter");
    nerrors += check_data(DATASETNAME4, file, TRUE);

    TESTING("dataset of BE DOUBLE with scale-offset filter");
    nerrors += check_data(DATASETNAME5, file, TRUE);

    TESTING("dataset of LE CHAR with scale-offset filter");
    nerrors += check_data(DATASETNAME6, file, FALSE);

    TESTING("dataset of BE CHAR with scale-offset filter");
    nerrors += check_data(DATASETNAME7, file, FALSE);

    TESTING("dataset of LE SHORT with scale-offset filter");
    nerrors += check_data(DATASETNAME8, file, FALSE);

    TESTING("dataset of BE SHORT with scale-offset filter");
    nerrors += check_data(DATASETNAME9, file, FALSE);

    TESTING("dataset of LE INT with scale-offset filter");
    nerrors += check_data(DATASETNAME10, file, FALSE);

    TESTING("dataset of BE INT with scale-offset filter");
    nerrors += check_data(DATASETNAME11, file, FALSE);

    TESTING("dataset of LE LONG LONG with scale-offset filter");
    nerrors += check_data(DATASETNAME12, file, FALSE);

    TESTING("dataset of BE LONG LONG with scale-offset filter");
    nerrors += check_data(DATASETNAME13, file, FALSE);

    TESTING("dataset of LE FLOAT with Fletcher32 filter");
    nerrors += check_data(DATASETNAME14, file, TRUE);

    TESTING("dataset of BE FLOAT with Fletcher32 filter");
    nerrors += check_data(DATASETNAME15, file, TRUE);

    TESTING("dataset of LE FLOAT with Deflate filter");
#ifdef H5_HAVE_FILTER_DEFLATE
    nerrors += check_data(DATASETNAME16, file, TRUE);
#else  /*H5_HAVE_FILTER_DEFLATE*/
    SKIPPED();
    puts(not_supported);
#endif /*H5_HAVE_FILTER_DEFLATE*/

    TESTING("dataset of BE FLOAT with Deflate filter");
#ifdef H5_HAVE_FILTER_DEFLATE
    nerrors += check_data(DATASETNAME17, file, TRUE);
#else  /*H5_HAVE_FILTER_DEFLATE*/
    SKIPPED();
    puts(not_supported);
#endif /*H5_HAVE_FILTER_DEFLATE*/

    TESTING("dataset of LE FLOAT with Szip filter");
#ifdef H5_HAVE_FILTER_SZIP
    nerrors += check_data(DATASETNAME18, file, TRUE);
#else  /*H5_HAVE_FILTER_SZIP*/
    SKIPPED();
    puts(not_supported);
#endif /*H5_HAVE_FILTER_SZIP*/

    TESTING("dataset of BE FLOAT with Szip filter");
#ifdef H5_HAVE_FILTER_SZIP
    nerrors += check_data(DATASETNAME19, file, TRUE);
#else  /*H5_HAVE_FILTER_SZIP*/
    SKIPPED();
    puts(not_supported);
#endif /*H5_HAVE_FILTER_SZIP*/

    TESTING("dataset of LE FLOAT with Shuffle filter");
    nerrors += check_data(DATASETNAME20, file, TRUE);

    TESTING("dataset of BE FLOAT with Shuffle filter");
    nerrors += check_data(DATASETNAME21, file, TRUE);

    TESTING("dataset of LE FLOAT with Nbit filter");
    nerrors += check_data(DATASETNAME22, file, TRUE);

    TESTING("dataset of BE FLOAT with Nbit filter");
    nerrors += check_data(DATASETNAME23, file, TRUE);

    if (H5Fclose(file))
        TEST_ERROR
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Fclose(file);
    }
    H5E_END_TRY;
    return nerrors;
}

/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:     Tests reading files created on LE and BE systems.
 *
 * Return:      Success:        exit(0)
 *              Failure:        exit(1)
 *
 * Programmer:  Raymond Lu
 *              Thursday, March 23, 2006
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    char     filename[1024];
    unsigned nerrors = 0;

    h5_reset();

    puts("Testing reading data created on Linux");
    h5_fixname(FILENAME[1], H5P_DEFAULT, filename, sizeof filename);
    nerrors += open_dataset(filename);

    puts("Testing reading data created on Solaris");
    h5_fixname(FILENAME[2], H5P_DEFAULT, filename, sizeof filename);
    nerrors += open_dataset(filename);

    if (nerrors) {
        HDprintf("***** %u FAILURE%s! *****\n", nerrors, 1 == nerrors ? "" : "S");
        HDexit(1);
    }

    HDprintf("All data type tests passed.\n");
    return 0;
}