1. Elena Pourmal
  2. hdf5_ep

Source

Raw file
Source viewDiff to previous
    if(H5P_get_filter_by_id(dcpl_plist, H5Z_FILTER_SHUFFLE, &flags, &cd_nelmts, cd_values, (size_t)0, NULL, NULL) < 0)
 
1
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2
 * Copyright by The HDF Group.                                               *
3
 * Copyright by the Board of Trustees of the University of Illinois.         *
4
 * All rights reserved.                                                      *
5
 *                                                                           *
6
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
7
 * terms governing use, modification, and redistribution, is contained in    *
8
 * the COPYING file, which can be found at the root of the source code       *
9
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
10
 * If you do not have access to either file, you may request a copy from     *
11
 * help@hdfgroup.org.                                                        *
12
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
13
​
14
#define H5Z_PACKAGE     /*suppress error about including H5Zpkg   */
15
​
16
​
17
#include "H5private.h"      /* Generic Functions            */
18
#include "H5Eprivate.h"     /* Error handling           */
19
#include "H5Iprivate.h"     /* IDs                  */
20
#include "H5MMprivate.h"    /* Memory management            */
21
#include "H5Pprivate.h"         /* Property lists                       */
22
#include "H5Tprivate.h"     /* Datatypes                    */
23
#include "H5Zpkg.h"     /* Data filters             */
24
​
25
/* Local function prototypes */
26
static herr_t H5Z_set_local_shuffle(hid_t dcpl_id, hid_t type_id, hid_t space_id);
27
static size_t H5Z_filter_shuffle(unsigned flags, size_t cd_nelmts,
28
    const unsigned cd_values[], size_t nbytes, size_t *buf_size, void **buf);
29
​
30
/* This message derives from H5Z */
31
const H5Z_class2_t H5Z_SHUFFLE[1] = {{
32
    H5Z_CLASS_T_VERS,       /* H5Z_class_t version */
33
    H5Z_FILTER_SHUFFLE,     /* Filter id number     */
34
    1,              /* encoder_present flag (set to true) */
35
    1,              /* decoder_present flag (set to true) */
36
    "shuffle",          /* Filter name for debugging    */
37
    NULL,                       /* The "can apply" callback     */
38
    H5Z_set_local_shuffle,      /* The "set local" callback     */
39
    H5Z_filter_shuffle,     /* The actual filter function   */
40
}};
41
​
42
/* Local macros */
43
#define H5Z_SHUFFLE_PARM_SIZE      0       /* "Local" parameter for shuffling size */
44
​
45
•
46
/*-------------------------------------------------------------------------
47
 * Function:    H5Z_set_local_shuffle
48
 *
49
 * Purpose: Set the "local" dataset parameter for data shuffling to be
50
 *              the size of the datatype.
51
 *