sysdeps/x86_64/fpu/multiarch/e_atan2.c

   1 #if defined HAVE_FMA4_SUPPORT || defined HAVE_AVX_SUPPORT
   2 # include <init-arch.h>
   3 # include <math_private.h>
   4
   5 extern double __ieee754_atan2_sse2 (double, double);
   6 extern double __ieee754_atan2_avx (double, double);
   7 # ifdef HAVE_FMA4_SUPPORT
   8 extern double __ieee754_atan2_fma4 (double, double);
   9 # else
  10 #  undef HAS_FMA4
  11 #  define HAS_FMA4 0
  12 #  define __ieee754_atan2_fma4 ((void *) 0)
  13 # endif
  14
  15 libm_ifunc (__ieee754_atan2,
  16             HAS_FMA4 ? __ieee754_atan2_fma4
  17             : (HAS_AVX ? __ieee754_atan2_avx : __ieee754_atan2_sse2));
  18 strong_alias (__ieee754_atan2, __atan2_finite)
  19
  20 # define __ieee754_atan2 __ieee754_atan2_sse2
  21 #endif
  22
  23
  24 #include <sysdeps/ieee754/dbl-64/e_atan2.c>