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glibc  2.9
Functions
w_logl.c File Reference
#include <math.h>
#include "math_private.h"
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Functions

long double __logl (long double x)

Function Documentation

long double __logl ( long double  x)

Definition at line 32 of file w_logl.c.

{
#ifdef _IEEE_LIBM
       return __ieee754_logl(x);
#else
       long double z;
       z = __ieee754_logl(x);
       if(_LIB_VERSION == _IEEE_ || __isnanl(x) || x > 0.0) return z;
       if(x==0.0)
           return __kernel_standard(x,x,216); /* log(0) */
       else
           return __kernel_standard(x,x,217); /* log(x<0) */
#endif
}

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