|  | /* Set current rounding direction. | 
|  | Copyright (C) 2004-2016 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) |