| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * wrapper exp2f(x) | ||||
| 3 | */ | ||||
| 4 | |||||
| 5 | #include <math.h> | ||||
| 6 | #include <math_private.h> | ||||
| 7 | |||||
| 8 | float | ||||
| 9 | __exp2f (float x) | ||||
| 10 | { | ||||
| 11 | float z = __ieee754_exp2f (x); | ||||
| 12 | if (__builtin_expect (!isfinite (z) || z == 0, 0) | ||||
| 13 | && isfinite (x) && _LIB_VERSION != _IEEE_) | ||||
| 14 | /* exp2 overflow: 144, exp2 underflow: 145 */ | ||||
| 15 | return __kernel_standard_f (x, x, 144 + !!signbit (x)); | ||||
| 16 | |||||
| 17 | return z; | ||||
| 18 | } | ||||
| 19 | weak_alias (__exp2f, exp2f) | ||||