#include #include extern double __tan_sse2 (double); extern double __tan_avx (double); extern double __tan_fma4 (double); libm_ifunc (tan, (HAS_ARCH_FEATURE (FMA4_Usable) ? __tan_fma4 : HAS_ARCH_FEATURE (AVX_Usable) ? __tan_avx : __tan_sse2)); #define tan __tan_sse2 #include