1 | /* Internal libc stuff for floating point environment routines. |
2 | Copyright (C) 2000-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _FENV_LIBC_H |
20 | #define _FENV_LIBC_H 1 |
21 | |
22 | #include <fenv.h> |
23 | |
24 | #define FPCR_ROUND_MASK (3UL << 58) |
25 | #define FPCR_ROUND_SHIFT 58 |
26 | |
27 | #define SWCR_MAP_MASK (3UL << 12) |
28 | #define SWCR_ENABLE_SHIFT 16 |
29 | #define SWCR_ENABLE_MASK (FE_ALL_EXCEPT >> SWCR_ENABLE_SHIFT) |
30 | #define SWCR_STATUS_MASK (FE_ALL_EXCEPT) |
31 | #define SWCR_ALL_MASK (SWCR_ENABLE_MASK \ |
32 | | SWCR_MAP_MASK \ |
33 | | SWCR_STATUS_MASK) |
34 | |
35 | /* These are declared for public consumption in <bits/fenv.h>. */ |
36 | libc_hidden_proto(__ieee_set_fp_control) |
37 | libc_hidden_proto(__ieee_get_fp_control) |
38 | |
39 | #endif /* fenv_libc.h */ |
40 | |