| /* Set current rounding direction. |
| Copyright (C) 2004-2018 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/>. */ |
| |
| #include <fenv_private.h> |
| #include <arm-features.h> |
| |
| |
| int |
| __fesetround (int round) |
| { |
| /* FE_TONEAREST is the only supported rounding mode |
| if a VFP unit isn't present. */ |
| if (!ARM_HAVE_VFP) |
| return (round == FE_TONEAREST) ? 0 : 1; |
| |
| if (round & ~_FPU_MASK_RM) |
| return 1; |
| |
| libc_fesetround_vfp (round); |
| return 0; |
| } |
| libm_hidden_def (__fesetround) |
| weak_alias (__fesetround, fesetround) |
| libm_hidden_weak (fesetround) |
