float acosf(float x) /* wrapper acosf */
{
#ifdef _IEEE_LIBM
return __ieee754_acosf(x);
#else
float z;
z = __ieee754_acosf(x);
if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
if(fabsf(x)>1.0f) {
/* acosf(|x|>1) */
errno = EDOM;
return nanf("");
} else
return z;
#endif
}
float
acosf(float x) /* wrapper acosf */
{
#ifdef _IEEE_LIBM
return __ieee754_acosf(x);
#else
float z;
z = __ieee754_acosf(x);
if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
if(fabsf(x)>(float)1.0) {
/* acosf(|x|>1) */
return (float)__kernel_standard((double)x,(double)x,101);
} else
return z;
#endif
}
/* wrapper acosf */
float
__acosf (float x)
{
if (__builtin_expect (isgreater (fabsf (x), 1.0f), 0)
&& _LIB_VERSION != _IEEE_)
{
/* acos(|x|>1) */
feraiseexcept (FE_INVALID);
return __kernel_standard_f (x, x, 101);
}
return __ieee754_acosf (x);
}
