google3/third_party/grte/v5_src/glibc-2.27/sysdeps/x86_64/fpu/multiarch/s_atan-avx.c

#define __atan __atan_avx
#define __add __add_avx
#define __dbl_mp __dbl_mp_avx
#define __mul __mul_avx
#define __sub __sub_avx
#define SECTION __attribute__ ((section (".text.avx")))

#include <sysdeps/ieee754/dbl-64/s_atan.c>