| /* Determine floating-point rounding mode within libc. ARM version. |
| Copyright (C) 2012-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _ARM_GET_ROUNDING_MODE_H |
| #define _ARM_GET_ROUNDING_MODE_H 1 |
| |
| #include <arm-features.h> |
| #include <fenv.h> |
| #include <fpu_control.h> |
| |
| /* Return the floating-point rounding mode. */ |
| |
| static inline int |
| get_rounding_mode (void) |
| { |
| fpu_control_t fpscr; |
| |
| /* FE_TONEAREST is the only supported rounding mode |
| if a VFP unit isn't present. */ |
| if (!ARM_HAVE_VFP) |
| return FE_TONEAREST; |
| |
| _FPU_GETCW (fpscr); |
| return fpscr & _FPU_MASK_RM; |
| } |
| |
| #endif /* get-rounding-mode.h */ |
