6 #include <math_private.h>
7 #include <math-svid-compat.h>
12 float z
= __ieee754_exp2f (x
);
13 if (__builtin_expect (!isfinite (z
) || z
== 0, 0)
14 && isfinite (x
) && _LIB_VERSION
!= _IEEE_
)
15 /* exp2 overflow: 144, exp2 underflow: 145 */
16 return __kernel_standard_f (x
, x
, 144 + !!signbit (x
));
20 weak_alias (__exp2f
, exp2f
)