1/* Copyright (C) 2011-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <math.h>
19#include <math_private.h>
20#include <math-svid-compat.h>
21#include <libm-alias-ldouble.h>
22
23
24#if LIBM_SVID_COMPAT
25/* wrapper remainderl */
26long double
27__remainderl (long double x, long double y)
28{
29 if (((__builtin_expect (y == 0.0L, 0) && ! isnan (x))
30 || (__builtin_expect (isinf (x), 0) && ! isnan (y)))
31 && _LIB_VERSION != _IEEE_)
32 return __kernel_standard_l (x, y, 228); /* remainder domain */
33
34 return __ieee754_remainderl (x, y);
35}
36libm_alias_ldouble (__remainder, remainder)
37weak_alias (__remainderl, dreml)
38#endif
39

source code of glibc/math/w_remainderl_compat.c