666         sign_(plus),  in rn_()
683         sign_((offset < 0) ? minus : plus),  in rn_()
693         sign_(sign),  in rn_()
710         sign_(sign),  in rn_()
724         sign_(plus),  in rn_()
744         sign_(sign),  in rn_()
760         sign_(plus),  in rn_()
783         sign_(sign),  in rn_()
804         sign_(plus),  in rn_()
821   Sign GetSign() const { return sign_; }  in GetSign()
892   Sign sign_;  variable