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| 1 | /* Copyright (C) 2011-2024 Free Software Foundation, Inc. |
|---|---|
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library. If not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _FENV_H |
| 19 | # error "Never use <bits/fenv.h> directly; include <fenv.h> instead." |
| 20 | #endif |
| 21 | |
| 22 | /* MicroBlaze supports only round-to-nearest. The software |
| 23 | floating-point support also acts this way. */ |
| 24 | enum |
| 25 | { |
| 26 | __FE_UNDEFINED = 0, |
| 27 | |
| 28 | FE_TONEAREST = |
| 29 | #define FE_TONEAREST 0x1 |
| 30 | FE_TONEAREST, |
| 31 | }; |
| 32 | |
| 33 | #define FE_ALL_EXCEPT 0 |
| 34 | |
| 35 | /* Type representing exception flags (if there were any). */ |
| 36 | typedef unsigned int fexcept_t; |
| 37 | |
| 38 | /* Type representing floating-point environment. */ |
| 39 | typedef unsigned int fenv_t; |
| 40 | |
| 41 | /* If the default argument is used we use this value. */ |
| 42 | #define FE_DFL_ENV ((const fenv_t *) -1l) |
| 43 | |
| 44 | #if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) |
| 45 | /* Type representing floating-point control modes. */ |
| 46 | typedef unsigned int femode_t; |
| 47 | |
| 48 | /* Default floating-point control modes. */ |
| 49 | # define FE_DFL_MODE ((const femode_t *) -1L) |
| 50 | #endif |
| 51 |
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