7 #include "math_private.h"
9 static const double o_threshold
= (double) DBL_MAX_EXP
;
10 static const double u_threshold
= (double) (DBL_MIN_EXP
- DBL_MANT_DIG
- 1);
13 __exp2 (double x
) /* wrapper exp2 */
16 return __ieee754_exp2 (x
);
19 z
= __ieee754_exp2 (x
);
20 if (_LIB_VERSION
!= _IEEE_
&& __finite (x
))
24 return __kernel_standard (x
, x
, 44);
25 else if (x
<= u_threshold
)
27 return __kernel_standard (x
, x
, 45);
32 weak_alias (__exp2
, exp2
)
34 strong_alias (__exp2
, __exp2l
)
35 weak_alias (__exp2
, exp2l
)