lib/BN.php
public function iaddn($num) {
        assert(is_numeric($num));
        $this->bi = $this->bi->add(intval($num));
        return $this;
    }
public function iaddn($num) {
        assert(is_numeric($num));
        $this->bi = $this->bi->add(intval($num));
        return $this;
    }
public function iaddn ( $ num ) { assert ( is_numeric ( $ num ) ) ; $ this -> bi = $ this -> bi -> add ( intval ( $ num ) ) ; return $ this ; }
Add plain number `num` to `this`
Add plain number num to this