Use __copysign rather than copysign.
[glibc.git] / math / fesetround.c
blob52a811b70531e7212f03dafd2474217c783eefe8
1 /* Set current rounding direction.
2 Copyright (C) 1997-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <fenv.h>
22 int
23 __fesetround (int round)
25 #ifdef FE_TONEAREST
26 return (round == FE_TONEAREST) ? 0 : 1;
27 #else
28 return 1; /* Signal we are unable to set the direction. */
29 #endif
31 libm_hidden_def (__fesetround)
32 weak_alias (__fesetround, fesetround)
33 libm_hidden_weak (fesetround)
34 stub_warning (fesetround)