1/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <math.h>
20#include <math_private.h>
21#include <math-svid-compat.h>
22#include <libm-alias-double.h>
23
24#if LIBM_SVID_COMPAT
25/* wrapper fmod */
26double
27__fmod (double x, double y)
28{
29 if (__builtin_expect (isinf (x) || y == 0.0, 0)
30 && _LIB_VERSION != _IEEE_ && !isnan (y) && !isnan (x))
31 /* fmod(+-Inf,y) or fmod(x,0) */
32 return __kernel_standard (x, y, 27);
33
34 return __ieee754_fmod (x, y);
35}
36libm_alias_double (__fmod, fmod)
37#endif
38