blob: a4d46537085640ed3f8cd9d1b7af109afff97d60 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
/*
* wrapper exp2(x)
*/
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
double
__exp2 (double x)
{
double z = __ieee754_exp2 (x);
if (__builtin_expect (!isfinite (z) || z == 0, 0)
&& isfinite (x) && _LIB_VERSION != _IEEE_)
/* exp2 overflow: 44, exp2 underflow: 45 */
return __kernel_standard (x, x, 44 + !!signbit (x));
return z;
}
weak_alias (__exp2, exp2)
#ifdef NO_LONG_DOUBLE
strong_alias (__exp2, __exp2l)
weak_alias (__exp2, exp2l)
#endif
|