0.699 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.241 * * * [progress]: [2/2] Setting up program.
0.245 * [progress]: [Phase 2 of 3] Improving.
0.247 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.666 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.666 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.667 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.669 * * [progress]: iteration 1 / 4
0.669 * * * [progress]: picking best candidate
0.671 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.671 * * * [progress]: localizing error
0.679 * * * [progress]: generating rewritten candidates
0.679 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.687 * * * [progress]: generating series expansions
0.688 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.693 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.694 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.694 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.694 * [taylor]: Taking taylor expansion of x in y
0.694 * [taylor]: Taking taylor expansion of y in y
0.694 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.694 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.694 * [taylor]: Taking taylor expansion of x in x
0.694 * [taylor]: Taking taylor expansion of y in x
0.705 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.706 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.706 * [taylor]: Taking taylor expansion of x in x
0.706 * [taylor]: Taking taylor expansion of y in x
0.706 * [taylor]: Taking taylor expansion of (neg y) in y
0.707 * [taylor]: Taking taylor expansion of y in y
0.707 * [taylor]: Taking taylor expansion of 0 in y
0.707 * [taylor]: Taking taylor expansion of 1 in y
0.707 * [taylor]: Taking taylor expansion of 0 in y
0.708 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.708 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.708 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.708 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.708 * [taylor]: Taking taylor expansion of x in y
0.708 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.708 * [taylor]: Taking taylor expansion of y in y
0.708 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.708 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.708 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.708 * [taylor]: Taking taylor expansion of x in x
0.708 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.708 * [taylor]: Taking taylor expansion of y in x
0.708 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.708 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.708 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.708 * [taylor]: Taking taylor expansion of x in x
0.708 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.708 * [taylor]: Taking taylor expansion of y in x
0.709 * [taylor]: Taking taylor expansion of 1 in y
0.709 * [taylor]: Taking taylor expansion of 0 in y
0.709 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.709 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.709 * [taylor]: Taking taylor expansion of y in y
0.709 * [taylor]: Taking taylor expansion of 0 in y
0.710 * [taylor]: Taking taylor expansion of 0 in y
0.710 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.710 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.710 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.710 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.710 * [taylor]: Taking taylor expansion of x in y
0.711 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.711 * [taylor]: Taking taylor expansion of y in y
0.711 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.711 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.711 * [taylor]: Taking taylor expansion of x in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.711 * [taylor]: Taking taylor expansion of y in x
0.711 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.711 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.711 * [taylor]: Taking taylor expansion of x in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.711 * [taylor]: Taking taylor expansion of y in x
0.711 * [taylor]: Taking taylor expansion of 1 in y
0.711 * [taylor]: Taking taylor expansion of 0 in y
0.711 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.711 * [taylor]: Taking taylor expansion of y in y
0.711 * [taylor]: Taking taylor expansion of 0 in y
0.712 * [taylor]: Taking taylor expansion of 0 in y
0.712 * * * [progress]: simplifying candidates
0.712 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y))
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y)))
  (neg y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.751 * * [simplify]: iteration  0 :  4994  enodes  (cost  111 )
0.751 * * [simplify]: iteration  1 :  4994  enodes  (cost  111 )
0.752 * [simplify]: Simplified to:
   (exp (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow x 6) (pow y 3))
  (+ (pow x 4) (* y (+ (* x x) y)))
  (neg y)
  (- (pow x 4) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
0.752 * * * [progress]: adding candidates to table
0.770 * * [progress]: iteration 2 / 4
0.770 * * * [progress]: picking best candidate
0.773 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (/ (- (pow x 4) (* y y)) (+ (* x x) y))))>
0.773 * * * [progress]: localizing error
0.783 * * * [progress]: generating rewritten candidates
0.783 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
0.792 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1)
0.796 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
0.803 * * * [progress]: generating series expansions
0.803 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
0.803 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in (x y) around 0
0.803 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in y
0.803 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in y
0.803 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.803 * [taylor]: Taking taylor expansion of x in y
0.804 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.804 * [taylor]: Taking taylor expansion of y in y
0.804 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.804 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.804 * [taylor]: Taking taylor expansion of x in y
0.804 * [taylor]: Taking taylor expansion of y in y
0.804 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in x
0.804 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
0.804 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.804 * [taylor]: Taking taylor expansion of x in x
0.804 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.804 * [taylor]: Taking taylor expansion of y in x
0.804 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.804 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.804 * [taylor]: Taking taylor expansion of x in x
0.804 * [taylor]: Taking taylor expansion of y in x
0.804 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in x
0.805 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
0.805 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.805 * [taylor]: Taking taylor expansion of x in x
0.805 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.805 * [taylor]: Taking taylor expansion of y in x
0.805 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.805 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.805 * [taylor]: Taking taylor expansion of x in x
0.805 * [taylor]: Taking taylor expansion of y in x
0.805 * [taylor]: Taking taylor expansion of (* -1 y) in y
0.805 * [taylor]: Taking taylor expansion of -1 in y
0.805 * [taylor]: Taking taylor expansion of y in y
0.805 * [taylor]: Taking taylor expansion of 0 in y
0.806 * [taylor]: Taking taylor expansion of 1 in y
0.806 * [taylor]: Taking taylor expansion of 0 in y
0.806 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.806 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.806 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
0.806 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.806 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.806 * [taylor]: Taking taylor expansion of x in y
0.806 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.806 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.806 * [taylor]: Taking taylor expansion of y in y
0.806 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.806 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.807 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.807 * [taylor]: Taking taylor expansion of x in y
0.807 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.807 * [taylor]: Taking taylor expansion of y in y
0.807 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.807 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.807 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.807 * [taylor]: Taking taylor expansion of x in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.807 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.807 * [taylor]: Taking taylor expansion of y in x
0.807 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.807 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.807 * [taylor]: Taking taylor expansion of x in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.807 * [taylor]: Taking taylor expansion of y in x
0.807 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.807 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.807 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.807 * [taylor]: Taking taylor expansion of x in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.807 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.807 * [taylor]: Taking taylor expansion of y in x
0.807 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.807 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.807 * [taylor]: Taking taylor expansion of x in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.807 * [taylor]: Taking taylor expansion of y in x
0.808 * [taylor]: Taking taylor expansion of 1 in y
0.808 * [taylor]: Taking taylor expansion of 0 in y
0.808 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.808 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.808 * [taylor]: Taking taylor expansion of y in y
0.808 * [taylor]: Taking taylor expansion of 0 in y
0.809 * [taylor]: Taking taylor expansion of 0 in y
0.810 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.810 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.810 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.810 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.810 * [taylor]: Taking taylor expansion of x in y
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.810 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.810 * [taylor]: Taking taylor expansion of y in y
0.810 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.810 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.810 * [taylor]: Taking taylor expansion of x in y
0.810 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.810 * [taylor]: Taking taylor expansion of y in y
0.810 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.810 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.810 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.810 * [taylor]: Taking taylor expansion of x in x
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.810 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.810 * [taylor]: Taking taylor expansion of y in x
0.810 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.810 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.810 * [taylor]: Taking taylor expansion of x in x
0.810 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.810 * [taylor]: Taking taylor expansion of y in x
0.811 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.811 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.811 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.811 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.811 * [taylor]: Taking taylor expansion of x in x
0.811 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.811 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.811 * [taylor]: Taking taylor expansion of y in x
0.811 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.811 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.811 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.811 * [taylor]: Taking taylor expansion of x in x
0.811 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.811 * [taylor]: Taking taylor expansion of y in x
0.811 * [taylor]: Taking taylor expansion of 1 in y
0.811 * [taylor]: Taking taylor expansion of 0 in y
0.811 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.811 * [taylor]: Taking taylor expansion of y in y
0.812 * [taylor]: Taking taylor expansion of 0 in y
0.812 * [taylor]: Taking taylor expansion of 0 in y
0.813 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 1)
0.813 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in (x y) around 0
0.813 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in y
0.813 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.813 * [taylor]: Taking taylor expansion of x in y
0.813 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.813 * [taylor]: Taking taylor expansion of y in y
0.813 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
0.813 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.813 * [taylor]: Taking taylor expansion of x in x
0.813 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.813 * [taylor]: Taking taylor expansion of y in x
0.813 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
0.813 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.813 * [taylor]: Taking taylor expansion of x in x
0.813 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.813 * [taylor]: Taking taylor expansion of y in x
0.813 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.813 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.813 * [taylor]: Taking taylor expansion of y in y
0.813 * [taylor]: Taking taylor expansion of 0 in y
0.813 * [taylor]: Taking taylor expansion of 0 in y
0.814 * [taylor]: Taking taylor expansion of 0 in y
0.814 * [taylor]: Taking taylor expansion of 1 in y
0.814 * [taylor]: Taking taylor expansion of 0 in y
0.814 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in (x y) around 0
0.814 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
0.814 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.814 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.814 * [taylor]: Taking taylor expansion of x in y
0.814 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.814 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.814 * [taylor]: Taking taylor expansion of y in y
0.814 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.815 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.815 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.815 * [taylor]: Taking taylor expansion of x in x
0.815 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.815 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.815 * [taylor]: Taking taylor expansion of y in x
0.815 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.815 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.815 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.815 * [taylor]: Taking taylor expansion of x in x
0.815 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.815 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.815 * [taylor]: Taking taylor expansion of y in x
0.815 * [taylor]: Taking taylor expansion of 1 in y
0.815 * [taylor]: Taking taylor expansion of 0 in y
0.815 * [taylor]: Taking taylor expansion of 0 in y
0.815 * [taylor]: Taking taylor expansion of 0 in y
0.816 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.816 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.816 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.816 * [taylor]: Taking taylor expansion of y in y
0.816 * [taylor]: Taking taylor expansion of 0 in y
0.817 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in (x y) around 0
0.817 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
0.817 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.817 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.817 * [taylor]: Taking taylor expansion of x in y
0.817 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.817 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.817 * [taylor]: Taking taylor expansion of y in y
0.817 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.817 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.817 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.817 * [taylor]: Taking taylor expansion of x in x
0.817 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.817 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.817 * [taylor]: Taking taylor expansion of y in x
0.817 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
0.817 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.817 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.817 * [taylor]: Taking taylor expansion of x in x
0.817 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.817 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.817 * [taylor]: Taking taylor expansion of y in x
0.817 * [taylor]: Taking taylor expansion of 1 in y
0.817 * [taylor]: Taking taylor expansion of 0 in y
0.817 * [taylor]: Taking taylor expansion of 0 in y
0.818 * [taylor]: Taking taylor expansion of 0 in y
0.818 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.818 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.818 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.818 * [taylor]: Taking taylor expansion of y in y
0.818 * [taylor]: Taking taylor expansion of 0 in y
0.819 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
0.819 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.819 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.819 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.819 * [taylor]: Taking taylor expansion of x in y
0.819 * [taylor]: Taking taylor expansion of y in y
0.819 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.819 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.819 * [taylor]: Taking taylor expansion of x in x
0.819 * [taylor]: Taking taylor expansion of y in x
0.819 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.819 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.819 * [taylor]: Taking taylor expansion of x in x
0.819 * [taylor]: Taking taylor expansion of y in x
0.819 * [taylor]: Taking taylor expansion of y in y
0.819 * [taylor]: Taking taylor expansion of 0 in y
0.819 * [taylor]: Taking taylor expansion of 1 in y
0.819 * [taylor]: Taking taylor expansion of 0 in y
0.819 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.820 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.820 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.820 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.820 * [taylor]: Taking taylor expansion of x in y
0.820 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.820 * [taylor]: Taking taylor expansion of y in y
0.820 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.820 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.820 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.820 * [taylor]: Taking taylor expansion of x in x
0.820 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.820 * [taylor]: Taking taylor expansion of y in x
0.820 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.820 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.820 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.820 * [taylor]: Taking taylor expansion of x in x
0.820 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.820 * [taylor]: Taking taylor expansion of y in x
0.820 * [taylor]: Taking taylor expansion of 1 in y
0.820 * [taylor]: Taking taylor expansion of 0 in y
0.820 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.820 * [taylor]: Taking taylor expansion of y in y
0.821 * [taylor]: Taking taylor expansion of 0 in y
0.821 * [taylor]: Taking taylor expansion of 0 in y
0.821 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.821 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.821 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.821 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.821 * [taylor]: Taking taylor expansion of x in y
0.822 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.822 * [taylor]: Taking taylor expansion of y in y
0.822 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.822 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.822 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.822 * [taylor]: Taking taylor expansion of x in x
0.822 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.822 * [taylor]: Taking taylor expansion of y in x
0.822 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.822 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.822 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.822 * [taylor]: Taking taylor expansion of x in x
0.822 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.822 * [taylor]: Taking taylor expansion of y in x
0.822 * [taylor]: Taking taylor expansion of 1 in y
0.822 * [taylor]: Taking taylor expansion of 0 in y
0.822 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.822 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.822 * [taylor]: Taking taylor expansion of y in y
0.822 * [taylor]: Taking taylor expansion of 0 in y
0.823 * [taylor]: Taking taylor expansion of 0 in y
0.823 * * * [progress]: simplifying candidates
0.824 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- (pow x 4) (* y y))) (log (+ (* x x) y)))
  (log (/ (- (pow x 4) (* y y)) (+ (* x x) y)))
  (exp (/ (- (pow x 4) (* y y)) (+ (* x x) y)))
  (/ (* (* (- (pow x 4) (* y y)) (- (pow x 4) (* y y))) (- (pow x 4) (* y y))) (* (* (+ (* x x) y) (+ (* x x) y)) (+ (* x x) y)))
  (* (cbrt (/ (- (pow x 4) (* y y)) (+ (* x x) y))) (cbrt (/ (- (pow x 4) (* y y)) (+ (* x x) y))))
  (cbrt (/ (- (pow x 4) (* y y)) (+ (* x x) y)))
  (* (* (/ (- (pow x 4) (* y y)) (+ (* x x) y)) (/ (- (pow x 4) (* y y)) (+ (* x x) y))) (/ (- (pow x 4) (* y y)) (+ (* x x) y)))
  (sqrt (/ (- (pow x 4) (* y y)) (+ (* x x) y)))
  (sqrt (/ (- (pow x 4) (* y y)) (+ (* x x) y)))
  (neg (- (pow x 4) (* y y)))
  (neg (+ (* x x) y))
  (/ (pow x 4) (+ (* x x) y))
  (/ (* y y) (+ (* x x) y))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (cbrt (- (pow x 4) (* y y))) (cbrt (+ (* x x) y)))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (+ (* x x) y)))
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ (* x x) y)))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) 1)
  (/ (cbrt (- (pow x 4) (* y y))) (+ (* x x) y))
  (/ (sqrt (- (pow x 4) (* y y))) (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (sqrt (- (pow x 4) (* y y))) (cbrt (+ (* x x) y)))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ (* x x) y)))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ (* x x) y)))
  (/ (sqrt (- (pow x 4) (* y y))) 1)
  (/ (sqrt (- (pow x 4) (* y y))) (+ (* x x) y))
  (/ 1 (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (- (pow x 4) (* y y)) (cbrt (+ (* x x) y)))
  (/ 1 (sqrt (+ (* x x) y)))
  (/ (- (pow x 4) (* y y)) (sqrt (+ (* x x) y)))
  (/ 1 1)
  (/ (- (pow x 4) (* y y)) (+ (* x x) y))
  (/ (+ (pow (sqrt x) 4) y) (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (- (pow (sqrt x) 4) y) (cbrt (+ (* x x) y)))
  (/ (+ (pow (sqrt x) 4) y) (sqrt (+ (* x x) y)))
  (/ (- (pow (sqrt x) 4) y) (sqrt (+ (* x x) y)))
  (/ (+ (pow (sqrt x) 4) y) 1)
  (/ (- (pow (sqrt x) 4) y) (+ (* x x) y))
  (/ (+ (sqrt (pow x 4)) y) (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (- (sqrt (pow x 4)) y) (cbrt (+ (* x x) y)))
  (/ (+ (sqrt (pow x 4)) y) (sqrt (+ (* x x) y)))
  (/ (- (sqrt (pow x 4)) y) (sqrt (+ (* x x) y)))
  (/ (+ (sqrt (pow x 4)) y) 1)
  (/ (- (sqrt (pow x 4)) y) (+ (* x x) y))
  (/ (+ (pow x (/ 4 2)) y) (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (- (pow x (/ 4 2)) y) (cbrt (+ (* x x) y)))
  (/ (+ (pow x (/ 4 2)) y) (sqrt (+ (* x x) y)))
  (/ (- (pow x (/ 4 2)) y) (sqrt (+ (* x x) y)))
  (/ (+ (pow x (/ 4 2)) y) 1)
  (/ (- (pow x (/ 4 2)) y) (+ (* x x) y))
  (/ 1 (+ (* x x) y))
  (/ (+ (* x x) y) (- (pow x 4) (* y y)))
  (/ (- (pow x 4) (* y y)) (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (/ (- (pow x 4) (* y y)) (sqrt (+ (* x x) y)))
  (/ (- (pow x 4) (* y y)) 1)
  (/ (+ (* x x) y) (cbrt (- (pow x 4) (* y y))))
  (/ (+ (* x x) y) (sqrt (- (pow x 4) (* y y))))
  (/ (+ (* x x) y) (- (pow x 4) (* y y)))
  (/ (+ (* x x) y) (- (pow (sqrt x) 4) y))
  (/ (+ (* x x) y) (- (sqrt (pow x 4)) y))
  (/ (+ (* x x) y) (- (pow x (/ 4 2)) y))
  (/ (- (pow x 4) (* y y)) (+ (pow (* x x) 3) (pow y 3)))
  (/ (- (pow x 4) (* y y)) (- (* (* x x) (* x x)) (* y y)))
  (* (+ (* x x) y) (+ (* (pow x 4) (pow x 4)) (+ (* (* y y) (* y y)) (* (pow x 4) (* y y)))))
  (* (+ (* x x) y) (+ (pow x 4) (* y y)))
  (/ (exp (pow x 4)) (exp (* y y)))
  (log (- (pow x 4) (* y y)))
  (exp (- (pow x 4) (* y y)))
  (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y))))
  (cbrt (- (pow x 4) (* y y)))
  (* (* (- (pow x 4) (* y y)) (- (pow x 4) (* y y))) (- (pow x 4) (* y y)))
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (pow x 4) (* y y)))
  (- (pow (pow x 4) 3) (pow (* y y) 3))
  (+ (* (pow x 4) (pow x 4)) (+ (* (* y y) (* y y)) (* (pow x 4) (* y y))))
  (neg (* y y))
  (- (* (pow x 4) (pow x 4)) (* (* y y) (* y y)))
  (+ (pow x 4) (* y y))
  (+ (pow (sqrt x) 4) y)
  (- (pow (sqrt x) 4) y)
  (+ (sqrt (pow x 4)) y)
  (- (sqrt (pow x 4)) y)
  (+ (pow x (/ 4 2)) y)
  (- (pow x (/ 4 2)) y)
  (* (exp (* x x)) (exp y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (* (* (+ (* x x) y) (+ (* x x) y)) (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y)))
  (- (* (* x x) (* x x)) (* y y))
  (- (* x x) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 4) (pow y 2))
  (- (pow x 4) (pow y 2))
  (- (pow x 4) (pow y 2))
  (+ (pow x 2) y)
  (+ (pow x 2) y)
  (+ (pow x 2) y)
0.857 * * [simplify]: iteration  0 :  4986  enodes  (cost  1034 )
0.857 * * [simplify]: iteration  1 :  4986  enodes  (cost  1034 )
0.861 * [simplify]: Simplified to:
   (log (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (pow (- (* x x) y) 3)
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (neg (- (pow x 4) (* y y)))
  (neg (+ y (* x x)))
  (/ (pow x 4) (+ y (* x x)))
  (* y (/ y (+ y (* x x))))
  (* (cbrt (- (pow x 4) (* y y))) (/ (cbrt (- (pow x 4) (* y y))) (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (cbrt (- (pow x 4) (* y y))) (cbrt (+ y (* x x))))
  (* (cbrt (- (pow x 4) (* y y))) (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x)))))
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y))))
  (/ (cbrt (- (pow x 4) (* y y))) (+ y (* x x)))
  (/ (sqrt (- (pow x 4) (* y y))) (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (cbrt (+ y (* x x))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (sqrt (- (pow x 4) (* y y)))
  (/ (sqrt (- (pow x 4) (* y y))) (+ y (* x x)))
  (/ 1 (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (cbrt (+ y (* x x))))
  (/ 1 (sqrt (+ y (* x x))))
  (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))
  1
  (- (* x x) y)
  (/ (+ y (* x x)) (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))
  (/ (- (* x x) y) (cbrt (+ y (* x x))))
  (/ (+ y (* x x)) (sqrt (+ y (* x x))))
  (/ (- (* x x) y) (sqrt (+ y (* x x))))
  (+ y (* x x))
  (/ (- (* x x) y) (+ y (* x x)))
  (/ (+ y (sqrt (pow x 4))) (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))
  (/ (- (sqrt (pow x 4)) y) (cbrt (+ y (* x x))))
  (/ (+ y (sqrt (pow x 4))) (sqrt (+ y (* x x))))
  (/ (- (sqrt (pow x 4)) y) (sqrt (+ y (* x x))))
  (+ y (sqrt (pow x 4)))
  (/ (- (sqrt (pow x 4)) y) (+ y (* x x)))
  (/ (+ y (* x x)) (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))
  (/ (- (* x x) y) (cbrt (+ y (* x x))))
  (/ (+ y (* x x)) (sqrt (+ y (* x x))))
  (/ (- (* x x) y) (sqrt (+ y (* x x))))
  (+ y (* x x))
  (/ (- (* x x) y) (+ y (* x x)))
  (/ 1 (+ y (* x x)))
  (/ 1 (- (* x x) y))
  (/ (- (pow x 4) (* y y)) (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))
  (- (pow x 4) (* y y))
  (/ (+ y (* x x)) (cbrt (- (pow x 4) (* y y))))
  (/ (+ y (* x x)) (sqrt (- (pow x 4) (* y y))))
  (/ 1 (- (* x x) y))
  (/ (+ y (* x x)) (- (* x x) y))
  (/ (+ y (* x x)) (- (sqrt (pow x 4)) y))
  (/ (+ y (* x x)) (- (* x x) y))
  (/ (- (pow x 4) (* y y)) (+ (pow x 6) (pow y 3)))
  1
  (* (+ y (* x x)) (+ (pow x 8) (+ (pow y 4) (* (pow x 4) (* y y)))))
  (* (+ y (* x x)) (+ (pow x 4) (* y y)))
  (exp (- (pow x 4) (* y y)))
  (log (- (pow x 4) (* y y)))
  (exp (- (pow x 4) (* y y)))
  (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y))))
  (cbrt (- (pow x 4) (* y y)))
  (pow (- (pow x 4) (* y y)) 3)
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (pow x 4) (* y y)))
  (- (pow x 12) (pow y 6))
  (+ (pow x 8) (+ (pow y 4) (* (pow x 4) (* y y))))
  (* y (neg y))
  (- (pow x 8) (pow y 4))
  (+ (pow x 4) (* y y))
  (+ y (* x x))
  (- (* x x) y)
  (+ y (sqrt (pow x 4)))
  (- (sqrt (pow x 4)) y)
  (+ y (* x x))
  (- (* x x) y)
  (exp (+ y (* x x)))
  (log (+ y (* x x)))
  (exp (+ y (* x x)))
  (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))
  (cbrt (+ y (* x x)))
  (pow (+ y (* x x)) 3)
  (sqrt (+ y (* x x)))
  (sqrt (+ y (* x x)))
  (+ (pow x 6) (pow y 3))
  (+ (pow x 4) (* y (- y (* x x))))
  (- (pow x 4) (* y y))
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
  (- (pow x 4) (* y y))
  (- (pow x 4) (* y y))
  (- (pow x 4) (* y y))
  (+ y (* x x))
  (+ y (* x x))
  (+ y (* x x))
0.862 * * * [progress]: adding candidates to table
0.956 * * [progress]: iteration 3 / 4
0.956 * * * [progress]: picking best candidate
0.960 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))>
0.960 * * * [progress]: localizing error
0.974 * * * [progress]: generating rewritten candidates
0.974 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
1.007 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 2)
1.016 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2 2 1)
1.020 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
1.037 * * * [progress]: generating series expansions
1.037 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
1.037 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in (y x) around 0
1.037 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in x
1.037 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
1.037 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.037 * [taylor]: Taking taylor expansion of x in x
1.037 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.038 * [taylor]: Taking taylor expansion of y in x
1.038 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
1.038 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.038 * [taylor]: Taking taylor expansion of x in x
1.038 * [taylor]: Taking taylor expansion of y in x
1.038 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in y
1.038 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in y
1.038 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.038 * [taylor]: Taking taylor expansion of x in y
1.038 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.038 * [taylor]: Taking taylor expansion of y in y
1.038 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
1.038 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.038 * [taylor]: Taking taylor expansion of x in y
1.038 * [taylor]: Taking taylor expansion of y in y
1.038 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 2)) (+ (pow x 2) y)) in y
1.038 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in y
1.038 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.038 * [taylor]: Taking taylor expansion of x in y
1.038 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.038 * [taylor]: Taking taylor expansion of y in y
1.038 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
1.038 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.038 * [taylor]: Taking taylor expansion of x in y
1.038 * [taylor]: Taking taylor expansion of y in y
1.039 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.039 * [taylor]: Taking taylor expansion of x in x
1.039 * [taylor]: Taking taylor expansion of (neg 1) in x
1.039 * [taylor]: Taking taylor expansion of 1 in x
1.040 * [taylor]: Taking taylor expansion of 0 in x
1.040 * [taylor]: Taking taylor expansion of 0 in x
1.041 * [taylor]: Taking taylor expansion of 0 in x
1.041 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in (y x) around 0
1.041 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in x
1.041 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.041 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.041 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.041 * [taylor]: Taking taylor expansion of x in x
1.041 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.041 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.041 * [taylor]: Taking taylor expansion of y in x
1.041 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
1.041 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.041 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.042 * [taylor]: Taking taylor expansion of x in x
1.042 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.042 * [taylor]: Taking taylor expansion of y in x
1.042 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in y
1.042 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.042 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.042 * [taylor]: Taking taylor expansion of x in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.042 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.042 * [taylor]: Taking taylor expansion of y in y
1.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.042 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.042 * [taylor]: Taking taylor expansion of x in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.042 * [taylor]: Taking taylor expansion of y in y
1.042 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (+ (/ 1 (pow x 2)) (/ 1 y))) in y
1.042 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.042 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.042 * [taylor]: Taking taylor expansion of x in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.042 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.042 * [taylor]: Taking taylor expansion of y in y
1.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
1.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.042 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.042 * [taylor]: Taking taylor expansion of x in y
1.043 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.043 * [taylor]: Taking taylor expansion of y in y
1.043 * [taylor]: Taking taylor expansion of -1 in x
1.043 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.043 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.043 * [taylor]: Taking taylor expansion of x in x
1.044 * [taylor]: Taking taylor expansion of 0 in x
1.044 * [taylor]: Taking taylor expansion of 0 in x
1.045 * [taylor]: Taking taylor expansion of 0 in x
1.046 * [taylor]: Taking taylor expansion of 0 in x
1.047 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in (y x) around 0
1.047 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in x
1.047 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.047 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.047 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.047 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.047 * [taylor]: Taking taylor expansion of y in x
1.047 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
1.047 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.047 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.047 * [taylor]: Taking taylor expansion of y in x
1.047 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in y
1.047 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.047 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.047 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.047 * [taylor]: Taking taylor expansion of x in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.048 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.048 * [taylor]: Taking taylor expansion of y in y
1.048 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.048 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.048 * [taylor]: Taking taylor expansion of x in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.048 * [taylor]: Taking taylor expansion of y in y
1.048 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (- (/ 1 (pow x 2)) (/ 1 y))) in y
1.048 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.048 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.048 * [taylor]: Taking taylor expansion of x in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.048 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.048 * [taylor]: Taking taylor expansion of y in y
1.048 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.048 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.048 * [taylor]: Taking taylor expansion of x in y
1.048 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.048 * [taylor]: Taking taylor expansion of y in y
1.048 * [taylor]: Taking taylor expansion of 1 in x
1.049 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.049 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.049 * [taylor]: Taking taylor expansion of 0 in x
1.050 * [taylor]: Taking taylor expansion of 0 in x
1.051 * [taylor]: Taking taylor expansion of 0 in x
1.052 * [taylor]: Taking taylor expansion of 0 in x
1.052 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 2)
1.053 * [approximate]: Taking taylor expansion of (* (sqrt (/ 1 (+ (pow x 2) y))) (- (pow x 4) (pow y 2))) in (x y) around 0
1.053 * [taylor]: Taking taylor expansion of (* (sqrt (/ 1 (+ (pow x 2) y))) (- (pow x 4) (pow y 2))) in y
1.053 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in y
1.053 * [taylor]: Taking taylor expansion of (/ 1 (+ (pow x 2) y)) in y
1.053 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
1.053 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.053 * [taylor]: Taking taylor expansion of x in y
1.053 * [taylor]: Taking taylor expansion of y in y
1.053 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in y
1.053 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.054 * [taylor]: Taking taylor expansion of x in y
1.054 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.054 * [taylor]: Taking taylor expansion of y in y
1.054 * [taylor]: Taking taylor expansion of (* (sqrt (/ 1 (+ (pow x 2) y))) (- (pow x 4) (pow y 2))) in x
1.054 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in x
1.054 * [taylor]: Taking taylor expansion of (/ 1 (+ (pow x 2) y)) in x
1.054 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
1.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.054 * [taylor]: Taking taylor expansion of x in x
1.054 * [taylor]: Taking taylor expansion of y in x
1.054 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
1.054 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.054 * [taylor]: Taking taylor expansion of x in x
1.054 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.054 * [taylor]: Taking taylor expansion of y in x
1.054 * [taylor]: Taking taylor expansion of (* (sqrt (/ 1 (+ (pow x 2) y))) (- (pow x 4) (pow y 2))) in x
1.054 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in x
1.054 * [taylor]: Taking taylor expansion of (/ 1 (+ (pow x 2) y)) in x
1.054 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
1.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.054 * [taylor]: Taking taylor expansion of x in x
1.054 * [taylor]: Taking taylor expansion of y in x
1.054 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
1.054 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.054 * [taylor]: Taking taylor expansion of x in x
1.054 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.054 * [taylor]: Taking taylor expansion of y in x
1.054 * [taylor]: Taking taylor expansion of (* -1 (sqrt (pow y 3))) in y
1.054 * [taylor]: Taking taylor expansion of -1 in y
1.055 * [taylor]: Taking taylor expansion of (sqrt (pow y 3)) in y
1.055 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.055 * [taylor]: Taking taylor expansion of y in y
1.055 * [taylor]: Taking taylor expansion of 0 in y
1.060 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt y)) in y
1.060 * [taylor]: Taking taylor expansion of 1/2 in y
1.060 * [taylor]: Taking taylor expansion of (sqrt y) in y
1.060 * [taylor]: Taking taylor expansion of y in y
1.061 * [taylor]: Taking taylor expansion of 0 in y
1.062 * [approximate]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))))) in (x y) around 0
1.062 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))))) in y
1.062 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.062 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.062 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.062 * [taylor]: Taking taylor expansion of x in y
1.063 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.063 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.063 * [taylor]: Taking taylor expansion of y in y
1.063 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in y
1.063 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))) in y
1.063 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
1.063 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.063 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.063 * [taylor]: Taking taylor expansion of x in y
1.063 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.063 * [taylor]: Taking taylor expansion of y in y
1.063 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))))) in x
1.063 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.063 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.063 * [taylor]: Taking taylor expansion of x in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.063 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.063 * [taylor]: Taking taylor expansion of y in x
1.063 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))) in x
1.063 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.063 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.063 * [taylor]: Taking taylor expansion of x in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.063 * [taylor]: Taking taylor expansion of y in x
1.063 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))))) in x
1.063 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.064 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.064 * [taylor]: Taking taylor expansion of x in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.064 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.064 * [taylor]: Taking taylor expansion of y in x
1.064 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))) in x
1.064 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.064 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.064 * [taylor]: Taking taylor expansion of x in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.064 * [taylor]: Taking taylor expansion of y in x
1.064 * [taylor]: Taking taylor expansion of 1 in y
1.064 * [taylor]: Taking taylor expansion of 0 in y
1.065 * [taylor]: Taking taylor expansion of (neg (* 1/2 (/ 1 y))) in y
1.065 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
1.065 * [taylor]: Taking taylor expansion of 1/2 in y
1.065 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.065 * [taylor]: Taking taylor expansion of y in y
1.065 * [taylor]: Taking taylor expansion of 0 in y
1.066 * [taylor]: Taking taylor expansion of (neg (* 5/8 (/ 1 (pow y 2)))) in y
1.066 * [taylor]: Taking taylor expansion of (* 5/8 (/ 1 (pow y 2))) in y
1.066 * [taylor]: Taking taylor expansion of 5/8 in y
1.066 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.066 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.066 * [taylor]: Taking taylor expansion of y in y
1.067 * [approximate]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))))) in (x y) around 0
1.067 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))))) in y
1.067 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.067 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.067 * [taylor]: Taking taylor expansion of x in y
1.067 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.067 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.067 * [taylor]: Taking taylor expansion of y in y
1.067 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in y
1.067 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))) in y
1.067 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
1.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.067 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.067 * [taylor]: Taking taylor expansion of x in y
1.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.067 * [taylor]: Taking taylor expansion of y in y
1.067 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))))) in x
1.067 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.067 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.067 * [taylor]: Taking taylor expansion of x in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.068 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.068 * [taylor]: Taking taylor expansion of y in x
1.068 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))) in x
1.068 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.068 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.068 * [taylor]: Taking taylor expansion of x in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.068 * [taylor]: Taking taylor expansion of y in x
1.068 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))))) in x
1.068 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.068 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.068 * [taylor]: Taking taylor expansion of x in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.068 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.068 * [taylor]: Taking taylor expansion of y in x
1.068 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))) in x
1.068 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.068 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.068 * [taylor]: Taking taylor expansion of x in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.068 * [taylor]: Taking taylor expansion of y in x
1.068 * [taylor]: Taking taylor expansion of 1 in y
1.069 * [taylor]: Taking taylor expansion of 0 in y
1.069 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
1.069 * [taylor]: Taking taylor expansion of 1/2 in y
1.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.069 * [taylor]: Taking taylor expansion of y in y
1.070 * [taylor]: Taking taylor expansion of 0 in y
1.070 * [taylor]: Taking taylor expansion of (neg (* 5/8 (/ 1 (pow y 2)))) in y
1.070 * [taylor]: Taking taylor expansion of (* 5/8 (/ 1 (pow y 2))) in y
1.071 * [taylor]: Taking taylor expansion of 5/8 in y
1.071 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.071 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.071 * [taylor]: Taking taylor expansion of y in y
1.071 * * * * [progress]: [ 3 / 4 ] generating series at (2 2 2 1)
1.071 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in (x y) around 0
1.071 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in y
1.071 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.071 * [taylor]: Taking taylor expansion of x in y
1.071 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.071 * [taylor]: Taking taylor expansion of y in y
1.071 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
1.071 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.071 * [taylor]: Taking taylor expansion of x in x
1.071 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.071 * [taylor]: Taking taylor expansion of y in x
1.071 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 2)) in x
1.071 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.071 * [taylor]: Taking taylor expansion of x in x
1.071 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.071 * [taylor]: Taking taylor expansion of y in x
1.072 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
1.072 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.072 * [taylor]: Taking taylor expansion of y in y
1.072 * [taylor]: Taking taylor expansion of 0 in y
1.072 * [taylor]: Taking taylor expansion of 0 in y
1.072 * [taylor]: Taking taylor expansion of 0 in y
1.072 * [taylor]: Taking taylor expansion of 1 in y
1.072 * [taylor]: Taking taylor expansion of 0 in y
1.073 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in (x y) around 0
1.073 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.073 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.073 * [taylor]: Taking taylor expansion of x in y
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.073 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.073 * [taylor]: Taking taylor expansion of y in y
1.073 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.073 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.073 * [taylor]: Taking taylor expansion of x in x
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.073 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.073 * [taylor]: Taking taylor expansion of y in x
1.073 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.073 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.073 * [taylor]: Taking taylor expansion of x in x
1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.073 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.073 * [taylor]: Taking taylor expansion of y in x
1.073 * [taylor]: Taking taylor expansion of 1 in y
1.073 * [taylor]: Taking taylor expansion of 0 in y
1.073 * [taylor]: Taking taylor expansion of 0 in y
1.074 * [taylor]: Taking taylor expansion of 0 in y
1.074 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
1.074 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.074 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.074 * [taylor]: Taking taylor expansion of y in y
1.074 * [taylor]: Taking taylor expansion of 0 in y
1.075 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in (x y) around 0
1.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in y
1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.075 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.075 * [taylor]: Taking taylor expansion of x in y
1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.075 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.075 * [taylor]: Taking taylor expansion of y in y
1.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.075 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.075 * [taylor]: Taking taylor expansion of x in x
1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.075 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.075 * [taylor]: Taking taylor expansion of y in x
1.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 2))) in x
1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.075 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.075 * [taylor]: Taking taylor expansion of x in x
1.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.076 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.076 * [taylor]: Taking taylor expansion of y in x
1.076 * [taylor]: Taking taylor expansion of 1 in y
1.076 * [taylor]: Taking taylor expansion of 0 in y
1.076 * [taylor]: Taking taylor expansion of 0 in y
1.076 * [taylor]: Taking taylor expansion of 0 in y
1.076 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
1.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.076 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.076 * [taylor]: Taking taylor expansion of y in y
1.077 * [taylor]: Taking taylor expansion of 0 in y
1.077 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
1.077 * [approximate]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in (y x) around 0
1.077 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in x
1.077 * [taylor]: Taking taylor expansion of (/ 1 (+ (pow x 2) y)) in x
1.077 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
1.077 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.077 * [taylor]: Taking taylor expansion of x in x
1.077 * [taylor]: Taking taylor expansion of y in x
1.077 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in y
1.077 * [taylor]: Taking taylor expansion of (/ 1 (+ (pow x 2) y)) in y
1.078 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
1.078 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.078 * [taylor]: Taking taylor expansion of x in y
1.078 * [taylor]: Taking taylor expansion of y in y
1.078 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (pow x 2) y))) in y
1.078 * [taylor]: Taking taylor expansion of (/ 1 (+ (pow x 2) y)) in y
1.078 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
1.078 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.078 * [taylor]: Taking taylor expansion of x in y
1.078 * [taylor]: Taking taylor expansion of y in y
1.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.079 * [taylor]: Taking taylor expansion of x in x
1.079 * [taylor]: Taking taylor expansion of (/ -1/2 (pow x 3)) in x
1.079 * [taylor]: Taking taylor expansion of -1/2 in x
1.079 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.079 * [taylor]: Taking taylor expansion of x in x
1.080 * [taylor]: Taking taylor expansion of (/ 3/8 (pow x 5)) in x
1.080 * [taylor]: Taking taylor expansion of 3/8 in x
1.080 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.080 * [taylor]: Taking taylor expansion of x in x
1.081 * [approximate]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in (y x) around 0
1.081 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in x
1.081 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))) in x
1.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
1.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.081 * [taylor]: Taking taylor expansion of x in x
1.081 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.081 * [taylor]: Taking taylor expansion of y in x
1.081 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in y
1.081 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))) in y
1.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
1.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.081 * [taylor]: Taking taylor expansion of x in y
1.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.081 * [taylor]: Taking taylor expansion of y in y
1.081 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y)))) in y
1.081 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 (pow x 2)) (/ 1 y))) in y
1.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
1.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.081 * [taylor]: Taking taylor expansion of x in y
1.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.081 * [taylor]: Taking taylor expansion of y in y
1.082 * [taylor]: Taking taylor expansion of 0 in x
1.082 * [taylor]: Taking taylor expansion of NAN in x
1.082 * [taylor]: Taking taylor expansion of (* NAN (+ (/ 1 (pow x 2)) (pow NAN 2))) in x
1.082 * [taylor]: Taking taylor expansion of NAN in x
1.082 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (pow NAN 2)) in x
1.082 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.082 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.082 * [taylor]: Taking taylor expansion of x in x
1.082 * [taylor]: Taking taylor expansion of (pow NAN 2) in x
1.082 * [taylor]: Taking taylor expansion of NAN in x
1.083 * [approximate]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in (y x) around 0
1.083 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in x
1.083 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))) in x
1.083 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
1.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.083 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.083 * [taylor]: Taking taylor expansion of x in x
1.083 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.083 * [taylor]: Taking taylor expansion of y in x
1.083 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in y
1.083 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))) in y
1.083 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
1.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.083 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.083 * [taylor]: Taking taylor expansion of x in y
1.083 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.083 * [taylor]: Taking taylor expansion of y in y
1.083 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (- (/ 1 (pow x 2)) (/ 1 y)))) in y
1.083 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 (pow x 2)) (/ 1 y))) in y
1.083 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
1.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.083 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.083 * [taylor]: Taking taylor expansion of x in y
1.083 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.083 * [taylor]: Taking taylor expansion of y in y
1.083 * [taylor]: Taking taylor expansion of 0 in x
1.083 * [taylor]: Taking taylor expansion of NAN in x
1.084 * [taylor]: Taking taylor expansion of (* NAN (+ (/ 1 (pow x 2)) (pow NAN 2))) in x
1.084 * [taylor]: Taking taylor expansion of NAN in x
1.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (pow NAN 2)) in x
1.084 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.084 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of (pow NAN 2) in x
1.084 * [taylor]: Taking taylor expansion of NAN in x
1.084 * * * [progress]: simplifying candidates
1.088 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (+ (neg (log (sqrt (+ y (* x x))))) (- (log (- (pow x 4) (* y y))) (log (sqrt (+ y (* x x))))))
  (+ (neg (log (sqrt (+ y (* x x))))) (log (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (+ (- 0 (log (sqrt (+ y (* x x))))) (- (log (- (pow x 4) (* y y))) (log (sqrt (+ y (* x x))))))
  (+ (- 0 (log (sqrt (+ y (* x x))))) (log (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (+ (- (log 1) (log (sqrt (+ y (* x x))))) (- (log (- (pow x 4) (* y y))) (log (sqrt (+ y (* x x))))))
  (+ (- (log 1) (log (sqrt (+ y (* x x))))) (log (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (+ (log (/ 1 (sqrt (+ y (* x x))))) (- (log (- (pow x 4) (* y y))) (log (sqrt (+ y (* x x))))))
  (+ (log (/ 1 (sqrt (+ y (* x x))))) (log (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (log (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (exp (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ (* (* 1 1) 1) (* (* (sqrt (+ y (* x x))) (sqrt (+ y (* x x)))) (sqrt (+ y (* x x))))) (/ (* (* (- (pow x 4) (* y y)) (- (pow x 4) (* y y))) (- (pow x 4) (* y y))) (* (* (sqrt (+ y (* x x))) (sqrt (+ y (* x x)))) (sqrt (+ y (* x x))))))
  (* (/ (* (* 1 1) 1) (* (* (sqrt (+ y (* x x))) (sqrt (+ y (* x x)))) (sqrt (+ y (* x x))))) (* (* (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (* (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (sqrt (+ y (* x x))))) (/ 1 (sqrt (+ y (* x x))))) (/ (* (* (- (pow x 4) (* y y)) (- (pow x 4) (* y y))) (- (pow x 4) (* y y))) (* (* (sqrt (+ y (* x x))) (sqrt (+ y (* x x)))) (sqrt (+ y (* x x))))))
  (* (* (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (sqrt (+ y (* x x))))) (/ 1 (sqrt (+ y (* x x))))) (* (* (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (cbrt (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))) (cbrt (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))
  (cbrt (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (* (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))) (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))) (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (sqrt (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (sqrt (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* 1 (- (pow x 4) (* y y)))
  (* (sqrt (+ y (* x x))) (sqrt (+ y (* x x))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (* (cbrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))) (cbrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt 1)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) 1))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (sqrt (- (pow x 4) (* y y))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt 1)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (sqrt (- (pow x 4) (* y y))) 1))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (sqrt 1)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ 1 1))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow (sqrt x) 4) y) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow (sqrt x) 4) y) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow (sqrt x) 4) y) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow (sqrt x) 4) y) (sqrt 1)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow (sqrt x) 4) y) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow (sqrt x) 4) y) 1))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (sqrt (pow x 4)) y) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (sqrt (pow x 4)) y) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (sqrt (pow x 4)) y) (sqrt 1)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (sqrt (pow x 4)) y) 1))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow x (/ 4 2)) y) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow x (/ 4 2)) y) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x)))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow x (/ 4 2)) y) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow x (/ 4 2)) y) (sqrt 1)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow x (/ 4 2)) y) (sqrt (sqrt (+ y (* x x))))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (+ (pow x (/ 4 2)) y) 1))
  (* (/ 1 (sqrt (+ y (* x x)))) 1)
  (* (/ 1 (sqrt (+ y (* x x)))) (- (pow x 4) (* y y)))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ (pow y 3) (pow (* x x) 3)))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (- (* y y) (* (* x x) (* x x))))))
  (* (cbrt (/ 1 (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (cbrt 1) (cbrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (cbrt 1) (sqrt (cbrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (cbrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (cbrt 1) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (cbrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (cbrt 1) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (sqrt 1) (cbrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (sqrt 1) (sqrt (cbrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (sqrt 1) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (sqrt 1) (sqrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ (sqrt 1) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (cbrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (cbrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (sqrt (+ (* y y) (- (* (* x x) (* x x)) (* y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (sqrt (- y (* x x))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (/ 1 (sqrt (+ y (* x x)))) (- (pow x 4) (* y y)))
  (* 1 (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
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  (log (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (exp (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (/ (* (* (- (pow x 4) (* y y)) (- (pow x 4) (* y y))) (- (pow x 4) (* y y))) (* (* (sqrt (+ y (* x x))) (sqrt (+ y (* x x)))) (sqrt (+ y (* x x)))))
  (* (cbrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))) (cbrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))))
  (cbrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (* (* (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (sqrt (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))
  (neg (- (pow x 4) (* y y)))
  (neg (sqrt (+ y (* x x))))
  (/ (pow x 4) (sqrt (+ y (* x x))))
  (/ (* y y) (sqrt (+ y (* x x))))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (cbrt (- (pow x 4) (* y y))) (cbrt (sqrt (+ y (* x x)))))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (cbrt (+ y (* x x)))))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (sqrt (+ y (* x x)))))
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt 1))
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) (sqrt (sqrt (+ y (* x x)))))
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y)))) 1)
  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ (sqrt (- (pow x 4) (* y y))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (sqrt (- (pow x 4) (* y y))) (cbrt (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (cbrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt 1))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) 1)
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (pow x 4) (* y y)) (cbrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (- (pow x 4) (* y y)) (sqrt (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt 1))
  (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  (/ 1 1)
  (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x))))
  (/ (+ (pow (sqrt x) 4) y) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (pow (sqrt x) 4) y) (cbrt (sqrt (+ y (* x x)))))
  (/ (+ (pow (sqrt x) 4) y) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (- (pow (sqrt x) 4) y) (sqrt (cbrt (+ y (* x x)))))
  (/ (+ (pow (sqrt x) 4) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow (sqrt x) 4) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (+ (pow (sqrt x) 4) y) (sqrt 1))
  (/ (- (pow (sqrt x) 4) y) (sqrt (+ y (* x x))))
  (/ (+ (pow (sqrt x) 4) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow (sqrt x) 4) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (+ (pow (sqrt x) 4) y) 1)
  (/ (- (pow (sqrt x) 4) y) (sqrt (+ y (* x x))))
  (/ (+ (sqrt (pow x 4)) y) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (sqrt (pow x 4)) y) (cbrt (sqrt (+ y (* x x)))))
  (/ (+ (sqrt (pow x 4)) y) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (- (sqrt (pow x 4)) y) (sqrt (cbrt (+ y (* x x)))))
  (/ (+ (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (+ (sqrt (pow x 4)) y) (sqrt 1))
  (/ (- (sqrt (pow x 4)) y) (sqrt (+ y (* x x))))
  (/ (+ (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (+ (sqrt (pow x 4)) y) 1)
  (/ (- (sqrt (pow x 4)) y) (sqrt (+ y (* x x))))
  (/ (+ (pow x (/ 4 2)) y) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (pow x (/ 4 2)) y) (cbrt (sqrt (+ y (* x x)))))
  (/ (+ (pow x (/ 4 2)) y) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (- (pow x (/ 4 2)) y) (sqrt (cbrt (+ y (* x x)))))
  (/ (+ (pow x (/ 4 2)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x (/ 4 2)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (+ (pow x (/ 4 2)) y) (sqrt 1))
  (/ (- (pow x (/ 4 2)) y) (sqrt (+ y (* x x))))
  (/ (+ (pow x (/ 4 2)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x (/ 4 2)) y) (sqrt (sqrt (+ y (* x x)))))
  (/ (+ (pow x (/ 4 2)) y) 1)
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  (/ 1 (sqrt (+ y (* x x))))
  (/ (sqrt (+ y (* x x))) (- (pow x 4) (* y y)))
  (/ (- (pow x 4) (* y y)) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (pow x 4) (* y y)) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt 1))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) 1)
  (/ (sqrt (+ y (* x x))) (cbrt (- (pow x 4) (* y y))))
  (/ (sqrt (+ y (* x x))) (sqrt (- (pow x 4) (* y y))))
  (/ (sqrt (+ y (* x x))) (- (pow x 4) (* y y)))
  (/ (sqrt (+ y (* x x))) (- (pow (sqrt x) 4) y))
  (/ (sqrt (+ y (* x x))) (- (sqrt (pow x 4)) y))
  (/ (sqrt (+ y (* x x))) (- (pow x (/ 4 2)) y))
  (/ (- (pow x 4) (* y y)) (sqrt (+ (pow y 3) (pow (* x x) 3))))
  (/ (- (pow x 4) (* y y)) (sqrt (- (* y y) (* (* x x) (* x x)))))
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  (exp (- (pow x 4) (* y y)))
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  (- (pow x (/ 4 2)) y)
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  (neg 1)
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  (- 0 (log (sqrt (+ y (* x x)))))
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  (exp (/ 1 (sqrt (+ y (* x x)))))
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  (/ (sqrt 1) (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
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  (/ (sqrt 1) (sqrt (sqrt (+ y (* x x)))))
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  (/ (sqrt 1) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt 1) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt 1) 1)
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  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ 1 (cbrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ 1 (sqrt (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt 1))
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 1)
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  (/ 1 (sqrt (+ y (* x x))))
  (/ (sqrt (+ y (* x x))) 1)
  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ 1 (sqrt (* (cbrt (+ y (* x x))) (cbrt (+ y (* x x))))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt 1))
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  (/ 1 1)
  (/ (sqrt (+ y (* x x))) (cbrt 1))
  (/ (sqrt (+ y (* x x))) (sqrt 1))
  (/ (sqrt (+ y (* x x))) 1)
  (/ 1 (sqrt (+ (pow y 3) (pow (* x x) 3))))
  (/ 1 (sqrt (- (* y y) (* (* x x) (* x x)))))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (* 1/2 (* (pow x 2) (* NAN y))) (+ (* (pow NAN 3) (pow y 3)) (* NAN (pow y 2))))
  (- (pow x 3) (+ (* 5/8 (/ (pow y 2) x)) (* 1/2 (* x y))))
  (- (+ (* 5/8 (/ (pow y 2) x)) (* 1/2 (* x y))) (pow x 3))
  (- (pow x 4) (pow y 2))
  (- (pow x 4) (pow y 2))
  (- (pow x 4) (pow y 2))
  0
  0
  0
1.167 * * [simplify]: iteration  0 :  4995  enodes  (cost  4247 )
1.168 * * [simplify]: iteration  1 :  4995  enodes  (cost  4247 )
1.181 * [simplify]: Simplified to:
   (- (* x x) y)
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (pow (- (* x x) y) 3)
  (pow (- (* x x) y) 3)
  (pow (- (* x x) y) 3)
  (pow (- (* x x) y) 3)
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow x 4) (* y y))
  (+ y (* x x))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (* (sqrt (/ 1 (sqrt (+ y (* x x))))) (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (/ (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (sqrt (sqrt (+ y (* x x)))))
  (* (cbrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (/ (cbrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (+ y (* x x)))))
  (/ (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y))) (sqrt (+ y (* x x))))
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  (* (/ (cbrt (- (pow x 4) (* y y))) (fabs (cbrt (+ y (* x x))))) (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x)))))
  (* (/ (cbrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x)))))
  (* (cbrt (- (pow x 4) (* y y))) (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x)))))
  (* (/ (cbrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x))))) (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x)))))
  (* (cbrt (- (pow x 4) (* y y))) (/ (cbrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (* (sqrt (+ y (* x x))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (/ (sqrt (- (pow x 4) (* y y))) (* (sqrt (+ y (* x x))) (fabs (cbrt (+ y (* x x))))))
  (/ (sqrt (- (pow x 4) (* y y))) (* (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x))))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ (sqrt (- (pow x 4) (* y y))) (* (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x))))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ 1 (* (sqrt (+ y (* x x))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (/ 1 (* (sqrt (+ y (* x x))) (fabs (cbrt (+ y (* x x))))))
  (/ 1 (* (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x))))))
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (* (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x))))))
  (/ 1 (sqrt (+ y (* x x))))
  (/ (sqrt (+ y (* x x))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
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  (/ (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x)))))
  (sqrt (+ y (* x x)))
  (/ (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x)))))
  (sqrt (+ y (* x x)))
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  (/ (+ y (sqrt (pow x 4))) (* (sqrt (+ y (* x x))) (fabs (cbrt (+ y (* x x))))))
  (/ (+ y (sqrt (pow x 4))) (* (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x))))))
  (/ (+ y (sqrt (pow x 4))) (sqrt (+ y (* x x))))
  (/ (+ y (sqrt (pow x 4))) (* (sqrt (+ y (* x x))) (sqrt (sqrt (+ y (* x x))))))
  (/ (+ y (sqrt (pow x 4))) (sqrt (+ y (* x x))))
  (/ (sqrt (+ y (* x x))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
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  (sqrt (+ y (* x x)))
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  (sqrt (+ y (* x x)))
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  (/ (* (sqrt (+ y (* x x))) (- (* x x) y)) (sqrt (- (* y y) (pow x 4))))
  (* (* (sqrt (+ y (* x x))) (- (* x x) y)) (cbrt (/ 1 (sqrt (+ y (* x x))))))
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  (* (* (sqrt (+ y (* x x))) (- (* x x) y)) (/ (cbrt 1) (cbrt (sqrt (+ y (* x x))))))
  (* (* (sqrt (+ y (* x x))) (- (* x x) y)) (/ (cbrt 1) (sqrt (cbrt (+ y (* x x))))))
  (* (* (sqrt (+ y (* x x))) (- (* x x) y)) (/ (cbrt 1) (sqrt (sqrt (+ y (* x x))))))
  (/ (cbrt 1) (/ 1 (- (* x x) y)))
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  (- (* x x) y)
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  (- (* x x) y)
  (/ (* (sqrt (+ y (* x x))) (- (* x x) y)) (cbrt (sqrt (+ y (* x x)))))
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  (sqrt (* (sqrt (+ y (* x x))) (- (* x x) y)))
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  (* y (/ y (sqrt (+ y (* x x)))))
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  (/ (cbrt (- (pow x 4) (* y y))) (cbrt (sqrt (+ y (* x x)))))
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  (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y))))
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  (/ (cbrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y))))
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  (/ (sqrt (- (pow x 4) (* y y))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
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  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (sqrt (- (pow x 4) (* y y)))
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  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (sqrt (+ y (* x x)))))
  (sqrt (- (pow x 4) (* y y)))
  (/ (sqrt (- (pow x 4) (* y y))) (sqrt (+ y (* x x))))
  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (pow x 4) (* y y)) (cbrt (sqrt (+ y (* x x)))))
  (/ 1 (fabs (cbrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  1
  (* (sqrt (+ y (* x x))) (- (* x x) y))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  1
  (* (sqrt (+ y (* x x))) (- (* x x) y))
  (/ (+ y (* x x)) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (* x x) y) (cbrt (sqrt (+ y (* x x)))))
  (/ (+ y (* x x)) (fabs (cbrt (+ y (* x x)))))
  (/ (- (* x x) y) (sqrt (cbrt (+ y (* x x)))))
  (/ (+ y (* x x)) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (* x x) y) (sqrt (sqrt (+ y (* x x)))))
  (+ y (* x x))
  (/ (- (* x x) y) (sqrt (+ y (* x x))))
  (/ (+ y (* x x)) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (* x x) y) (sqrt (sqrt (+ y (* x x)))))
  (+ y (* x x))
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  (/ (+ y (sqrt (pow x 4))) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
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  (/ (+ y (sqrt (pow x 4))) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x)))))
  (+ y (sqrt (pow x 4)))
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  (/ (+ y (sqrt (pow x 4))) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (sqrt (pow x 4)) y) (sqrt (sqrt (+ y (* x x)))))
  (+ y (sqrt (pow x 4)))
  (/ (- (sqrt (pow x 4)) y) (sqrt (+ y (* x x))))
  (/ (+ y (* x x)) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (* x x) y) (cbrt (sqrt (+ y (* x x)))))
  (/ (+ y (* x x)) (fabs (cbrt (+ y (* x x)))))
  (/ (- (* x x) y) (sqrt (cbrt (+ y (* x x)))))
  (/ (+ y (* x x)) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (* x x) y) (sqrt (sqrt (+ y (* x x)))))
  (+ y (* x x))
  (/ (- (* x x) y) (sqrt (+ y (* x x))))
  (/ (+ y (* x x)) (sqrt (sqrt (+ y (* x x)))))
  (/ (- (* x x) y) (sqrt (sqrt (+ y (* x x)))))
  (+ y (* x x))
  (/ (- (* x x) y) (sqrt (+ y (* x x))))
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (* (sqrt (+ y (* x x))) (- (* x x) y)))
  (/ (- (pow x 4) (* y y)) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ (- (pow x 4) (* y y)) (fabs (cbrt (+ y (* x x)))))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  (- (pow x 4) (* y y))
  (/ (- (pow x 4) (* y y)) (sqrt (sqrt (+ y (* x x)))))
  (- (pow x 4) (* y y))
  (/ (sqrt (+ y (* x x))) (cbrt (- (pow x 4) (* y y))))
  (/ (sqrt (+ y (* x x))) (sqrt (- (pow x 4) (* y y))))
  (/ 1 (* (sqrt (+ y (* x x))) (- (* x x) y)))
  (/ (sqrt (+ y (* x x))) (- (* x x) y))
  (/ (sqrt (+ y (* x x))) (- (sqrt (pow x 4)) y))
  (/ (sqrt (+ y (* x x))) (- (* x x) y))
  (/ (- (pow x 4) (* y y)) (sqrt (+ (pow y 3) (pow x 6))))
  (/ (- (pow x 4) (* y y)) (sqrt (- (* y y) (pow x 4))))
  (* (sqrt (+ y (* x x))) (+ (pow x 8) (+ (pow y 4) (* y (* y (pow x 4))))))
  (* (sqrt (+ y (* x x))) (+ (pow x 4) (* y y)))
  (exp (- (pow x 4) (* y y)))
  (log (- (pow x 4) (* y y)))
  (exp (- (pow x 4) (* y y)))
  (* (cbrt (- (pow x 4) (* y y))) (cbrt (- (pow x 4) (* y y))))
  (cbrt (- (pow x 4) (* y y)))
  (pow (- (pow x 4) (* y y)) 3)
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (pow x 4) (* y y)))
  (- (pow x 12) (pow y 6))
  (+ (pow x 8) (+ (pow y 4) (* y (* y (pow x 4)))))
  (* y (neg y))
  (- (pow x 8) (pow y 4))
  (+ (pow x 4) (* y y))
  (+ y (* x x))
  (- (* x x) y)
  (+ y (sqrt (pow x 4)))
  (- (sqrt (pow x 4)) y)
  (+ y (* x x))
  (- (* x x) y)
  -1/2
  -1
  -1/2
  (neg (log (sqrt (+ y (* x x)))))
  (neg (log (sqrt (+ y (* x x)))))
  (neg (log (sqrt (+ y (* x x)))))
  (neg (log (sqrt (+ y (* x x)))))
  (exp (/ 1 (sqrt (+ y (* x x)))))
  (/ 1 (pow (sqrt (+ y (* x x))) 3))
  (* (cbrt (/ 1 (sqrt (+ y (* x x))))) (cbrt (/ 1 (sqrt (+ y (* x x))))))
  (cbrt (/ 1 (sqrt (+ y (* x x)))))
  (/ 1 (pow (sqrt (+ y (* x x))) 3))
  (sqrt (/ 1 (sqrt (+ y (* x x)))))
  (sqrt (/ 1 (sqrt (+ y (* x x)))))
  -1
  (neg (sqrt (+ y (* x x))))
  (* (cbrt 1) (/ (cbrt 1) (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x)))))))
  (/ (cbrt 1) (cbrt (sqrt (+ y (* x x)))))
  (* (cbrt 1) (/ (cbrt 1) (fabs (cbrt (+ y (* x x))))))
  (/ (cbrt 1) (sqrt (cbrt (+ y (* x x)))))
  (* (cbrt 1) (/ (cbrt 1) (sqrt (sqrt (+ y (* x x))))))
  (/ (cbrt 1) (sqrt (sqrt (+ y (* x x)))))
  (* (cbrt 1) (cbrt 1))
  (/ (cbrt 1) (sqrt (+ y (* x x))))
  (* (cbrt 1) (/ (cbrt 1) (sqrt (sqrt (+ y (* x x))))))
  (/ (cbrt 1) (sqrt (sqrt (+ y (* x x)))))
  (* (cbrt 1) (cbrt 1))
  (/ (cbrt 1) (sqrt (+ y (* x x))))
  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ 1 (cbrt (sqrt (+ y (* x x)))))
  (/ 1 (fabs (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  1
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  1
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ 1 (cbrt (sqrt (+ y (* x x)))))
  (/ 1 (fabs (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  1
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  1
  (/ 1 (sqrt (+ y (* x x))))
  (/ 1 (sqrt (+ y (* x x))))
  (sqrt (+ y (* x x)))
  (/ 1 (* (cbrt (sqrt (+ y (* x x)))) (cbrt (sqrt (+ y (* x x))))))
  (/ 1 (fabs (cbrt (+ y (* x x)))))
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  1
  (/ 1 (sqrt (sqrt (+ y (* x x)))))
  1
  (/ (sqrt (+ y (* x x))) (cbrt 1))
  (sqrt (+ y (* x x)))
  (sqrt (+ y (* x x)))
  (/ 1 (sqrt (+ (pow y 3) (pow x 6))))
  (/ 1 (sqrt (- (* y y) (pow x 4))))
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
  (- (* (* y NAN) (- (* x (* x 1/2)) y)) (* (pow y 3) (pow NAN 3)))
  (- (pow x 3) (+ (* 5/8 (* (/ y x) y)) (* y (* x 1/2))))
  (+ (* 5/8 (* (/ y x) y)) (- (* y (* x 1/2)) (pow x 3)))
  (- (pow x 4) (* y y))
  (- (pow x 4) (* y y))
  (- (pow x 4) (* y y))
  0
  0
  0
1.183 * * * [progress]: adding candidates to table
1.422 * [progress]: [Phase 3 of 3] Extracting.
1.423 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.424 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- (* x x) y) (* 0.5 (- (* x x) y)) y x)
1.424 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.460 * * * * [regimes]: Trying to branch on (- (* x x) y) from (#<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.492 * * * * [regimes]: Trying to branch on (* 0.5 (- (* x x) y)) from (#<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.528 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.561 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 0.5 (* (/ 1 (sqrt (+ y (* x x)))) (/ (- (pow x 4) (* y y)) (sqrt (+ y (* x x)))))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.592 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.593 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
1.594 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
1.594 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
1.594 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
2.200 * [regime-testing]: End program error score: 0.019377422177772222