1/* Multiple versions of tan.
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_tan (double);
24
25# define SYMBOL_NAME tan
26# include "ifunc-avx-fma4.h"
27
28libc_ifunc_redirected (__redirect_tan, __tan, IFUNC_SELECTOR ());
29libm_alias_double (__tan, tan)
30
31# define __tan __tan_sse2
32#endif
33#include <sysdeps/ieee754/dbl-64/s_tan.c>
34

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