#if defined HAVE_FMA4_SUPPORT || defined HAVE_AVX_SUPPORT # include # include extern double __tan_sse2 (double); extern double __tan_avx (double); # ifdef HAVE_FMA4_SUPPORT extern double __tan_fma4 (double); # else # undef HAS_FMA4 # define HAS_FMA4 0 # define __tan_fma4 ((void *) 0) # endif libm_ifunc (tan, (HAS_FMA4 ? __tan_fma4 : HAS_YMM_USABLE ? __tan_avx : __tan_sse2)); # define tan __tan_sse2 #endif #include