/* * wrapper exp2f(x) */ #include #include #include #if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27) float __exp2f_compat (float x) { float z = __ieee754_exp2f (x); if (__builtin_expect (!isfinite (z) || z == 0, 0) && isfinite (x) && _LIB_VERSION != _IEEE_) /* exp2 overflow: 144, exp2 underflow: 145 */ return __kernel_standard_f (x, x, 144 + !!signbit (x)); return z; } compat_symbol (libm, __exp2f_compat, exp2f, GLIBC_2_1); #endif