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
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Module Info: This module contains the functionality for fixed-point (i.e.
* integer) datatypes in the H5T interface.
*/
#define H5T_PACKAGE /*suppress error about including H5Tpkg */
/* Interface initialization */
#define H5_INTERFACE_INIT_FUNC H5T_init_fixed_interface
#include "H5private.h" /*generic functions */
#include "H5Eprivate.h" /*error handling */
#include "H5Iprivate.h" /*ID functions */
#include "H5Tpkg.h" /*data-type functions */
/*--------------------------------------------------------------------------
NAME
H5T_init_fixed_interface -- Initialize interface-specific information
USAGE
herr_t H5T_init_fixed_interface()
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
Initializes any interface-specific data or routines. (Just calls
H5T_init_iterface currently).
--------------------------------------------------------------------------*/
static herr_t
H5T_init_fixed_interface(void)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
FUNC_LEAVE_NOAPI(H5T_init())
} /* H5T_init_fixed_interface() */
/*-------------------------------------------------------------------------
* Function: H5Tget_sign
*
* Purpose: Retrieves the sign type for an integer type.
*
* Return: Success: The sign type.
*
* Failure: H5T_SGN_ERROR (Negative)
*
* Programmer: Robb Matzke
* Wednesday, January 7, 1998
*
* Modifications:
* Robb Matzke, 22 Dec 1998
* Also works with derived datatypes.
*-------------------------------------------------------------------------
*/
H5T_sign_t
H5Tget_sign(hid_t type_id)
{
H5T_t * dt = NULL;
H5T_sign_t ret_value;
FUNC_ENTER_API(H5T_SGN_ERROR)
H5TRACE1("Ts", "i", type_id);
/* Check args */
if (NULL == (dt = H5I_object_verify(type_id, H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5T_SGN_ERROR, "not an integer datatype")
ret_value = H5T_get_sign(dt);
done:
FUNC_LEAVE_API(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5T_get_sign
*
* Purpose: Private function for H5Tget_sign. Retrieves the sign type
* for an integer type.
*
* Return: Success: The sign type.
*
* Failure: H5T_SGN_ERROR (Negative)
*
* Programmer: Raymond Lu
* October 8, 2002
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
H5T_sign_t
H5T_get_sign(H5T_t const *dt)
{
H5T_sign_t ret_value;
FUNC_ENTER_NOAPI(H5T_SGN_ERROR)
HDassert(dt);
/* Defer to parent */
while (dt->shared->parent)
dt = dt->shared->parent;
/* Check args */
if (H5T_INTEGER != dt->shared->type)
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, H5T_SGN_ERROR, "operation not defined for datatype class")
/* Sign */
ret_value = dt->shared->u.atomic.u.i.sign;
done:
FUNC_LEAVE_NOAPI(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5Tset_sign
*
* Purpose: Sets the sign property for an integer.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Wednesday, January 7, 1998
*
* Modifications:
* Robb Matzke, 22 Dec 1998
* Also works with derived datatypes.
*
*-------------------------------------------------------------------------
*/
herr_t
H5Tset_sign(hid_t type_id, H5T_sign_t sign)
{
H5T_t *dt = NULL;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iTs", type_id, sign);
/* Check args */
if (NULL == (dt = H5I_object_verify(type_id, H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an integer datatype")
if (H5T_STATE_TRANSIENT != dt->shared->state)
HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "datatype is read-only")
if (sign < H5T_SGN_NONE || sign >= H5T_NSGN)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal sign type")
if (H5T_ENUM == dt->shared->type && dt->shared->u.enumer.nmembs > 0)
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not allowed after members are defined")
while (dt->shared->parent)
dt = dt->shared->parent; /*defer to parent*/
if (H5T_INTEGER != dt->shared->type)
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not defined for datatype class")
/* Commit */
dt->shared->u.atomic.u.i.sign = sign;
done:
FUNC_LEAVE_API(ret_value)
}
|
