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/*
* wrapper log2l(X)
*/
#include <math.h>
#include "math_private.h"
long double
__log2l (long double x) /* wrapper log2l */
{
#ifdef _IEEE_LIBM
return __ieee754_log2l (x);
#else
long double z;
z = __ieee754_log2l (x);
if (_LIB_VERSION == _IEEE_ || __isnanl (x)) return z;
if (x <= 0.0)
{
if (x == 0.0)
return __kernel_standard (x, x, 248); /* log2l (0) */
else
return __kernel_standard (x, x, 249); /* log2l (x < 0) */
}
else
return z;
#endif
}
weak_alias (__log2l, log2l)
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