/*

 * wrapper exp2(x)

 */

#include <math.h>

#include <math_private.h>

#include <math-svid-compat.h>

#include <libm-alias-double.h>

#if LIBM_SVID_COMPAT

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;

}

libm_alias_double (__exp2, exp2)

#endif