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