| #if defined HAVE_FMA4_SUPPORT || defined HAVE_AVX_SUPPORT | |
| # include <init-arch.h> | |
| # include <math.h> | |
| extern double __atan_sse2 (double); | |
| extern double __atan_avx (double); | |
| # ifdef HAVE_FMA4_SUPPORT | |
| extern double __atan_fma4 (double); | |
| # else | |
| # undef HAS_FMA4 | |
| # define HAS_FMA4 0 | |
| # define __atan_fma4 ((void *) 0) | |
| # endif | |
| libm_ifunc (atan, (HAS_FMA4 ? __atan_fma4 : | |
| HAS_AVX ? __atan_avx : __atan_sse2)); | |
| # define atan __atan_sse2 | |
| #endif | |
| #include <sysdeps/ieee754/dbl-64/s_atan.c> |