
(/VERSIONCHECK 2) 

(DEFUN |DIVRING-;^;SIS;1| (|x| |n| $)
  (COND ((ZEROP |n|) (|spadConstant| $ 7))
        ((SPADCALL |x| (QREFELT $ 9))
         (COND ((< |n| 0) (|error| "division by zero")) (#1='T |x|)))
        ((< |n| 0)
         (SPADCALL (SPADCALL |x| (QREFELT $ 11)) (- |n|) (QREFELT $ 14)))
        (#1# (SPADCALL |x| |n| (QREFELT $ 14))))) 

(DEFUN |DIVRING-;*;F2S;2| (|q| |x| $)
  (SPADCALL
   (SPADCALL (SPADCALL |q| (QREFELT $ 18))
             (SPADCALL (SPADCALL (SPADCALL |q| (QREFELT $ 19)) (QREFELT $ 20))
                       (QREFELT $ 11))
             (QREFELT $ 21))
   |x| (QREFELT $ 22))) 

(DEFUN |DivisionRing&| (|#1|)
  (PROG (|pv$| $ |dv$| DV$1)
    (RETURN
     (PROGN
      (LETT DV$1 (|devaluate| |#1|) . #1=(|DivisionRing&|))
      (LETT |dv$| (LIST '|DivisionRing&| DV$1) . #1#)
      (LETT $ (GETREFV 25) . #1#)
      (QSETREFV $ 0 |dv$|)
      (QSETREFV $ 3 (LETT |pv$| (|buildPredVector| 0 0 NIL) . #1#))
      (|stuffDomainSlots| $)
      (QSETREFV $ 6 |#1|)
      $)))) 

(MAKEPROP '|DivisionRing&| '|infovec|
          (LIST
           '#(NIL NIL NIL NIL NIL NIL (|local| |#1|) (0 . |One|) (|Boolean|)
              (4 . |zero?|) (9 . |Zero|) (13 . |inv|) (|PositiveInteger|)
              (|RepeatedSquaring| 6) (18 . |expt|) (|Integer|)
              |DIVRING-;^;SIS;1| (|Fraction| 15) (24 . |numer|) (29 . |denom|)
              (34 . |coerce|) (39 . *) (45 . *) |DIVRING-;*;F2S;2|
              (|NonNegativeInteger|))
           '#(^ 51 * 57) 'NIL
           (CONS (|makeByteWordVec2| 1 'NIL)
                 (CONS '#()
                       (CONS '#()
                             (|makeByteWordVec2| 23
                                                 '(0 6 0 7 1 6 8 0 9 0 6 0 10 1
                                                   6 0 0 11 2 13 6 6 12 14 1 17
                                                   15 0 18 1 17 15 0 19 1 6 0
                                                   15 20 2 6 0 15 0 21 2 6 0 0
                                                   0 22 2 0 0 0 15 16 2 0 0 17
                                                   0 23)))))
           '|lookupComplete|)) 
