projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f10eff58 | 1 | /* Store current floating-point environment. |
| 04277e02 | 2 | Copyright (C) 1997-2019 Free Software Foundation, Inc. |
| f10eff58 DJ |
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 | ||
| 22423683 | 15 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| f10eff58 DJ |
18 | |
| 19 | #include <fenv.h> | |
| 20 | #include <fpu_control.h> | |
| a4ca5195 | 21 | #include <arm-features.h> |
| f10eff58 | 22 | |
| f10eff58 DJ |
23 | |
| 24 | int | |
| 73a268c7 | 25 | __fegetenv (fenv_t *envp) |
| f10eff58 | 26 | { |
| 1a2f40e5 W |
27 | fpu_control_t fpscr; |
| 28 | ||
| 29 | /* Fail if a VFP unit isn't present. */ | |
| 30 | if (!ARM_HAVE_VFP) | |
| 31 | return 1; | |
| 32 | ||
| 33 | _FPU_GETCW (fpscr); | |
| 34 | envp->__cw = fpscr; | |
| 35 | return 0; | |
| f10eff58 | 36 | } |
| 73a268c7 JM |
37 | libm_hidden_def (__fegetenv) |
| 38 | weak_alias (__fegetenv, fegetenv) | |
| 39 | libm_hidden_weak (fegetenv) |