/**
* @param int $bits
* @param mixed $num
*
* @return int
*/
public function appendNum($bits, $num)
{
if ($bits == 0) {
return 0;
}
$b = BitStream::newFromNum($bits, $num);
if (is_null($b)) {
return -1;
}
$ret = $this->append($b);
unset($b);
return $ret;
}
