1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
/*
* This file contains private information about the H5S module
*/
#ifndef _H5Sprivate_H
#define _H5Sprivate_H
#include <H5Spublic.h>
/* Private headers needed by this file */
#include <H5private.h>
#include <H5Gprivate.h> /*for H5G_entry_t */
#include <H5Oprivate.h>
#define H5S_RESERVED_ATOMS 2
/* Flags to indicate special dataspace features are active */
#define H5S_VALID_MAX 0x01
#define H5S_VALID_PERM 0x02
typedef struct H5S_hyperslab_t {
hssize_t *start; /* Location of start of hyperslab */
hsize_t *count; /* Number of elements in hyperslab */
hsize_t *stride; /* Packing of values of hyperslab */
} H5S_hyperslab_t;
typedef struct H5S_simple_t {
intn rank; /*number of dimensions */
hsize_t *size; /*dimension sizes */
hsize_t *max; /*maximum dimension sizes or NULL */
intn *perm; /*dimension permutations or NULL */
} H5S_simple_t;
typedef struct H5S_t {
H5S_class_t type; /*type of dimensionality object */
union {
H5S_simple_t simple; /*simple dimensionality information */
} u;
uintn hslab_def; /* Whether the hyperslab is defined */
H5S_hyperslab_t h; /* Hyperslab information */
} H5S_t;
/*
* This structure contains information about how the elements of a data space
* are numbered.
*/
typedef struct H5S_number_t {
int _place_holder; /*remove this field! */
} H5S_number_t;
/*
* Callbacks for data space conversion.
*/
typedef struct H5S_tconv_t {
/* Initialize element numbering information */
size_t (*init)(const struct H5O_layout_t *layout, const H5S_t *mem_space,
const H5S_t *file_space, size_t desired_nelmts,
H5S_number_t *numbering/*out*/);
/* Gather elements from disk to type conversion buffer */
size_t (*fgath)(H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, void *tconv_buf/*out*/);
/* Scatter elements from type conversion buffer to application buffer */
herr_t (*mscat)(const void *tconv_buf, size_t elmt_size,
const H5S_t *mem_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, void *buf/*out*/);
/* Gather elements from app buffer to type conversion buffer */
size_t (*mgath)(const void *buf, size_t elmt_size,
const H5S_t *mem_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, void *tconv_buf/*out*/);
/* Scatter elements from type conversion buffer to disk */
herr_t (*fscat)(H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *compress,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, const void *tconv_buf);
/* Read from file to application w/o intermediate scratch buffer */
herr_t (*read)(H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space,
void *buf/*out*/);
/* Write directly from app buffer to file */
herr_t (*write)(H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space,
const void *buf);
} H5S_conv_t;
H5S_t *H5S_copy (const H5S_t *src);
herr_t H5S_close_simple (H5S_simple_t *simple);
herr_t H5S_close (H5S_t *ds);
hsize_t H5S_get_npoints (const H5S_t *ds);
hsize_t H5S_get_npoints_max(const H5S_t *ds);
intn H5S_get_ndims (const H5S_t *ds);
intn H5S_get_dims (const H5S_t *ds, hsize_t dims[]/*out*/,
hsize_t max_dims[]/*out*/);
herr_t H5S_modify (H5G_entry_t *ent, const H5S_t *space);
H5S_t *H5S_read (H5F_t *f, H5G_entry_t *ent);
intn H5S_cmp (const H5S_t *ds1, const H5S_t *ds2);
hbool_t H5S_is_simple (const H5S_t *sdim);
uintn H5S_nelem (const H5S_t *space);
const H5S_conv_t *H5S_find (const H5S_t *mem_space, const H5S_t *file_space);
intn H5S_get_hyperslab (const H5S_t *ds, hssize_t offset[]/*out*/,
hsize_t size[]/*out*/, hsize_t stride[]/*out*/);
intn H5S_extend (H5S_t *space, const hsize_t *size);
/* Conversion functions for simple data spaces */
size_t H5S_simp_init (const struct H5O_layout_t *layout,
const H5S_t *mem_space, const H5S_t *file_space,
size_t desired_nelmts, H5S_number_t *numbering/*out*/);
size_t H5S_simp_fgath (H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, void *tconv_buf/*out*/);
herr_t H5S_simp_mscat (const void *tconv_buf, size_t elmt_size,
const H5S_t *mem_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, void *buf/*out*/);
size_t H5S_simp_mgath (const void *buf, size_t elmt_size,
const H5S_t *mem_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, void *tconv_buf/*out*/);
herr_t H5S_simp_fscat (H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_number_t *numbering,
size_t start, size_t nelmts, const void *tconv_buf);
herr_t H5S_simp_read (H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space,
void *buf/*out*/);
herr_t H5S_simp_write (H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_compress_t *comp,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space,
const void *buf);
#endif
|
