1 /* Internal libc stuff for floating point environment routines. 2 Copyright (C) 2000-2022 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