mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 00:31:08 +00:00
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* Internal libc stuff for floating point environment routines.
|
|
Copyright (C) 2000-2020 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_LIBC_H
|
|
#define _FENV_LIBC_H 1
|
|
|
|
#include <fenv.h>
|
|
|
|
#define FPCR_ROUND_MASK (3UL << 58)
|
|
#define FPCR_ROUND_SHIFT 58
|
|
|
|
#define SWCR_MAP_MASK (3UL << 12)
|
|
#define SWCR_ENABLE_SHIFT 16
|
|
#define SWCR_ENABLE_MASK (FE_ALL_EXCEPT >> SWCR_ENABLE_SHIFT)
|
|
#define SWCR_STATUS_MASK (FE_ALL_EXCEPT)
|
|
#define SWCR_ALL_MASK (SWCR_ENABLE_MASK \
|
|
| SWCR_MAP_MASK \
|
|
| SWCR_STATUS_MASK)
|
|
|
|
/* These are declared for public consumption in <bits/fenv.h>. */
|
|
libc_hidden_proto(__ieee_set_fp_control)
|
|
libc_hidden_proto(__ieee_get_fp_control)
|
|
|
|
#endif /* fenv_libc.h */
|