| 1 | /* |
|---|---|
| 2 | * wrapper exp2l(x) |
| 3 | */ |
| 4 | |
| 5 | #include <math.h> |
| 6 | #include <math_private.h> |
| 7 | |
| 8 | long double |
| 9 | __exp2l (long double x) |
| 10 | { |
| 11 | long double z = __ieee754_exp2l (x); |
| 12 | if (__builtin_expect (!isfinite (z) || z == 0, 0) |
| 13 | && isfinite (x) && _LIB_VERSION != _IEEE_) |
| 14 | /* exp2 overflow: 244, exp2 underflow: 245 */ |
| 15 | return __kernel_standard_l (x, x, 244 + !!signbit (x)); |
| 16 | |
| 17 | return z; |
| 18 | } |
| 19 | weak_alias (__exp2l, exp2l) |
| 20 |