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- /* Internal libc stuff for floating point environment routines.
- Copyright (C) 2000-2026 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 */
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