glibc/sysdeps/x86_64/fpu/multiarch/s_atan.c

22 lines
484 B
C

#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>