/* wrapper acoshf */
float
__acoshf (float x)
{
if (__builtin_expect (isless (x, 1.0f), 0) && _LIB_VERSION != _IEEE_)
/* acosh(x<1) */
return __kernel_standard_f (x, x, 129);
return __ieee754_acoshf (x);
}
//------------------------------------------------------------------------------
float Cmath::acoshf( float x ) // wrapper acoshf
{
float z;
struct fexception exc;
z = __ieee754_acoshf( x );
if( m_fdlib_version == _IEEE_ || isnanf( x ) )
{
return z;
}
if( x < (float)1.0 )
{
// acoshf(x<1)
exc.type = EX_DOMAIN;
exc.name = "acoshf";
exc.err = 0;
exc.arg1 = exc.arg2 = (double)x;
exc.retval = infinity();
if( m_fdlib_version == _POSIX_ )
{
errno = EDOM;
}
else if( !matherr( &exc ) )
{
errno = EDOM;
}
if( exc.err != 0 )
{
errno = exc.err;
}
return (float)exc.retval;
}
else
{
return z;
}
}
