|  | /* Set current rounding direction. | 
|  | Copyright (C) 1997-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | 
|  |  | 
|  | 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.h> | 
|  |  | 
|  | int | 
|  | __fesetround (int round) | 
|  | { | 
|  | #ifdef FE_TONEAREST | 
|  | return (round == FE_TONEAREST) ? 0 : 1; | 
|  | #else | 
|  | return 1;	/* Signal we are unable to set the direction.  */ | 
|  | #endif | 
|  | } | 
|  | libm_hidden_def (__fesetround) | 
|  | weak_alias (__fesetround, fesetround) | 
|  | libm_hidden_weak (fesetround) | 
|  | stub_warning (fesetround) |