1/* Multiple versions of sin and cos.
2 Copyright (C) 2017-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 <https://www.gnu.org/licenses/>. */
18
19#include <sysdeps/x86/isa-level.h>
20#if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL
21# include <libm-alias-double.h>
22
23extern double __redirect_sin (double);
24extern double __redirect_cos (double);
25
26# define SYMBOL_NAME sin
27# include "ifunc-avx-fma4.h"
28
29libc_ifunc_redirected (__redirect_sin, __sin, IFUNC_SELECTOR ());
30libm_alias_double (__sin, sin)
31
32# undef SYMBOL_NAME
33# define SYMBOL_NAME cos
34# include "ifunc-avx-fma4.h"
35
36libc_ifunc_redirected (__redirect_cos, __cos, IFUNC_SELECTOR ());
37libm_alias_double (__cos, cos)
38
39# define __cos __cos_sse2
40# define __sin __sin_sse2
41#endif
42#include <sysdeps/ieee754/dbl-64/s_sin.c>
43

source code of glibc/sysdeps/x86_64/fpu/multiarch/s_sin.c