blob: d23d2ab34fc6a61d1bb7ee10de820cb36a9fa55f (
plain)
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
|
/* Floating point environment, RISC-V version.
Copyright (C) 1998-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#ifndef _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif
enum
{
FE_INEXACT =
#define FE_INEXACT (0x01)
FE_INEXACT,
FE_UNDERFLOW =
#define FE_UNDERFLOW (0x02)
FE_UNDERFLOW,
FE_OVERFLOW =
#define FE_OVERFLOW (0x04)
FE_OVERFLOW,
FE_DIVBYZERO =
#define FE_DIVBYZERO (0x08)
FE_DIVBYZERO,
FE_INVALID =
#define FE_INVALID (0x10)
FE_INVALID
};
#define FE_ALL_EXCEPT \
(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
enum
{
FE_TONEAREST =
#define FE_TONEAREST (0x0)
FE_TONEAREST,
FE_TOWARDZERO =
#define FE_TOWARDZERO (0x1)
FE_TOWARDZERO,
FE_DOWNWARD =
#define FE_DOWNWARD (0x2)
FE_DOWNWARD,
FE_UPWARD =
#define FE_UPWARD (0x3)
FE_UPWARD
};
typedef unsigned int fexcept_t;
typedef unsigned int fenv_t;
/* If the default argument is used we use this value. */
#define FE_DFL_ENV ((__const fenv_t *) -1)
#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
/* Type representing floating-point control modes. */
typedef unsigned int femode_t;
/* Default floating-point control modes. */
# define FE_DFL_MODE ((const femode_t *) -1L)
#endif
|
