glibc/math/w_exp2l.c

20 lines
399 B
C

/*
* wrapper exp2l(x)
*/
#include <math.h>
#include <math_private.h>
long double
__exp2l (long double x)
{
long double z = __ieee754_exp2l (x);
if (__builtin_expect (!__finitel (z), 0)
&& __finitel (x) && _LIB_VERSION != _IEEE_)
/* exp2 overflow: 244, exp2 underflow: 245 */
return __kernel_standard_l (x, x, 244 + !!__signbitl (x));
return z;
}
weak_alias (__exp2l, exp2l)