| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Set current rounding direction. |
| 2 | Copyright (C) 2004-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <fenv_private.h> |
| 20 | #include <arm-features.h> |
| 21 | |
| 22 | |
| 23 | int |
| 24 | __fesetround (int round) |
| 25 | { |
| 26 | /* FE_TONEAREST is the only supported rounding mode |
| 27 | if a VFP unit isn't present. */ |
| 28 | if (!ARM_HAVE_VFP) |
| 29 | return (round == FE_TONEAREST) ? 0 : 1; |
| 30 | |
| 31 | if (round & ~_FPU_MASK_RM) |
| 32 | return 1; |
| 33 | |
| 34 | libc_fesetround_vfp (round); |
| 35 | return 0; |
| 36 | } |
| 37 | libm_hidden_def (__fesetround) |
| 38 | weak_alias (__fesetround, fesetround) |
| 39 | libm_hidden_weak (fesetround) |