23.056 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.072 * * [simplify]: iteration  0 :  5027  enodes  (cost  19 )
0.072 * [simplify]: Simplified to:
   (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
0.075 * * [progress]: iteration 1 / 4
0.075 * * * [progress]: picking best candidate
0.077 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.077 * * * [progress]: localizing error
0.085 * * * [progress]: generating rewritten candidates
0.085 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.093 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.097 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.102 * * * [progress]: generating series expansions
0.102 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.103 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.103 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.103 * [taylor]: Taking taylor expansion of 4.0 in y
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.103 * [taylor]: Taking taylor expansion of 4.0 in y
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.103 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.103 * [taylor]: Taking taylor expansion of 4.0 in x
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.103 * [taylor]: Taking taylor expansion of 4.0 in x
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.104 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.104 * [taylor]: Taking taylor expansion of 4.0 in x
0.104 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.104 * [taylor]: Taking taylor expansion of 4.0 in x
0.104 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.105 * [taylor]: Taking taylor expansion of -1.0 in y
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.105 * [taylor]: Taking taylor expansion of 0.5 in y
0.106 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.106 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.106 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.107 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.107 * [taylor]: Taking taylor expansion of x in y
0.107 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.107 * [taylor]: Taking taylor expansion of 4.0 in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.107 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.107 * [taylor]: Taking taylor expansion of y in y
0.107 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.107 * [taylor]: Taking taylor expansion of x in y
0.107 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.107 * [taylor]: Taking taylor expansion of 4.0 in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.107 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.107 * [taylor]: Taking taylor expansion of y in y
0.107 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.107 * [taylor]: Taking taylor expansion of 4.0 in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.107 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of 1 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.109 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.109 * [taylor]: Taking taylor expansion of 8.0 in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.109 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of 0 in y
0.111 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.111 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.111 * [taylor]: Taking taylor expansion of x in y
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.111 * [taylor]: Taking taylor expansion of 4.0 in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.111 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.111 * [taylor]: Taking taylor expansion of x in y
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.111 * [taylor]: Taking taylor expansion of 4.0 in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.111 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.111 * [taylor]: Taking taylor expansion of 4.0 in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.111 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.112 * [taylor]: Taking taylor expansion of 4.0 in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.112 * [taylor]: Taking taylor expansion of 4.0 in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.112 * [taylor]: Taking taylor expansion of 4.0 in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of 1 in y
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.113 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.113 * [taylor]: Taking taylor expansion of 8.0 in y
0.113 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.113 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.113 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of 0 in y
0.114 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.115 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.115 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.115 * [taylor]: Taking taylor expansion of 4.0 in y
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.115 * [taylor]: Taking taylor expansion of 4.0 in x
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.115 * [taylor]: Taking taylor expansion of 4.0 in x
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
0.115 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.115 * [taylor]: Taking taylor expansion of 4.0 in y
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of 1 in y
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.116 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.116 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.116 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.116 * [taylor]: Taking taylor expansion of x in y
0.117 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.117 * [taylor]: Taking taylor expansion of 4.0 in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.117 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.117 * [taylor]: Taking taylor expansion of 4.0 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.117 * [taylor]: Taking taylor expansion of 4.0 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [taylor]: Taking taylor expansion of 1 in y
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.118 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.118 * [taylor]: Taking taylor expansion of 4.0 in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.118 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.119 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.119 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.119 * [taylor]: Taking taylor expansion of x in y
0.119 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.119 * [taylor]: Taking taylor expansion of 4.0 in y
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.119 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.119 * [taylor]: Taking taylor expansion of y in y
0.119 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.119 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.119 * [taylor]: Taking taylor expansion of 4.0 in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.119 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.120 * [taylor]: Taking taylor expansion of 4.0 in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of 1 in y
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.120 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.120 * [taylor]: Taking taylor expansion of 4.0 in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.120 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.120 * [taylor]: Taking taylor expansion of y in y
0.121 * [taylor]: Taking taylor expansion of 0 in y
0.121 * [taylor]: Taking taylor expansion of 0 in y
0.122 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.122 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.122 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.122 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.122 * [taylor]: Taking taylor expansion of x in y
0.122 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.122 * [taylor]: Taking taylor expansion of 4.0 in y
0.122 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.122 * [taylor]: Taking taylor expansion of y in y
0.122 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.122 * [taylor]: Taking taylor expansion of 4.0 in x
0.122 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.122 * [taylor]: Taking taylor expansion of 4.0 in x
0.122 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.123 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.123 * [taylor]: Taking taylor expansion of 4.0 in y
0.123 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.123 * [taylor]: Taking taylor expansion of y in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [taylor]: Taking taylor expansion of 1 in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.124 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.124 * [taylor]: Taking taylor expansion of x in y
0.124 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.124 * [taylor]: Taking taylor expansion of 4.0 in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.124 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.124 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.124 * [taylor]: Taking taylor expansion of 4.0 in x
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.124 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.124 * [taylor]: Taking taylor expansion of y in x
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.124 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.124 * [taylor]: Taking taylor expansion of 4.0 in x
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.124 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.124 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of 1 in y
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.125 * [taylor]: Taking taylor expansion of 4.0 in y
0.125 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.125 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.126 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.126 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.126 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.126 * [taylor]: Taking taylor expansion of 4.0 in y
0.126 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.127 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.127 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.127 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.127 * [taylor]: Taking taylor expansion of 4.0 in x
0.127 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.127 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.127 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.127 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.127 * [taylor]: Taking taylor expansion of 4.0 in x
0.127 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.127 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of 1 in y
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.127 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.127 * [taylor]: Taking taylor expansion of 4.0 in y
0.127 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.127 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [taylor]: Taking taylor expansion of 0 in y
0.131 * * * [progress]: simplifying candidates
0.132 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- (* x x) (* (* y 4.0) y))) (log (+ (* x x) (* (* y 4.0) y))))
  (log (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (- (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))) (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (* (* (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (neg (- (* x x) (* (* y 4.0) y)))
  (neg (+ (* x x) (* (* y 4.0) y)))
  (/ (* x x) (+ (* x x) (* (* y 4.0) y)))
  (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) 1)
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) 1)
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (- (* x x) (* (* y 4.0) y)) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ 1 (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (- (* x x) (* (* y 4.0) y)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ 1 1)
  (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ (- (* x x) (* (* y 4.0) y)) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (- (* x x) (* (* y 4.0) y)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (- (* x x) (* (* y 4.0) y)) 1)
  (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y))))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ (- (* x x) (* (* y 4.0) y)) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3)))
  (/ (- (* x x) (* (* y 4.0) y)) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y)))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (/ (exp (* x x)) (exp (* (* y 4.0) y)))
  (log (- (* x x) (* (* y 4.0) y)))
  (exp (- (* x x) (* (* y 4.0) y)))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (cbrt (- (* x x) (* (* y 4.0) y)))
  (* (* (- (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y))))
  (neg (* (* y 4.0) y))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))
  (+ (* x x) (* (* y 4.0) y))
  (neg (* (* y 4.0) y))
  (* (exp (* x x)) (exp (* (* y 4.0) y)))
  (log (+ (* x x) (* (* y 4.0) y)))
  (exp (+ (* x x) (* (* y 4.0) y)))
  (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (cbrt (+ (* x x) (* (* y 4.0) y)))
  (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3))
  (+ (* (* x x) (* x x)) (- (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y))))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))
  (- (* x x) (* (* y 4.0) y))
  -1.0
  1
  1
  (- (pow x 2) (* 4.0 (pow y 2)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
0.194 * * [simplify]: iteration  0 :  4943  enodes  (cost  1210 )
0.194 * * [simplify]: iteration  1 :  4943  enodes  (cost  1210 )
0.198 * [simplify]: Simplified to:
   (log (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (log (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (pow (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) 3)
  (* (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))) (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))))
  (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (pow (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) 3)
  (sqrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (sqrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (- (* y (* y 4.0)) (* x x))
  (- (* y (* y (neg 4.0))) (* x x))
  (* x (/ x (+ (* x x) (* y (* y 4.0)))))
  (* y (/ y (/ (+ (* x x) (* y (* y 4.0))) 4.0)))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (/ (cbrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0))))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (- (* x x) (* y (* y 4.0))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ 1 (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  1
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (- (* x x) (* y (* y 4.0)))
  (/ (+ (* x x) (* y (* y 4.0))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (+ (pow x 6) (* (pow 4.0 3) (pow y 6))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (* (+ (* x x) (* y (* y 4.0))) (+ (pow x 4) (* y (* y (* 4.0 (+ (* x x) (* y (* y 4.0))))))))
  (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (exp (- (* x x) (* y (* y 4.0))))
  (log (- (* x x) (* y (* y 4.0))))
  (exp (- (* x x) (* y (* y 4.0))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (cbrt (- (* x x) (* y (* y 4.0))))
  (pow (- (* x x) (* y (* y 4.0))) 3)
  (sqrt (- (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (- (pow x 6) (* (pow 4.0 3) (pow y 6)))
  (+ (pow x 4) (* y (* y (* 4.0 (+ (* x x) (* y (* y 4.0)))))))
  (* y (* y (neg 4.0)))
  (- (pow x 4) (* 4.0 (* (pow y 4) 4.0)))
  (+ (* x x) (* y (* y 4.0)))
  (* y (* y (neg 4.0)))
  (exp (+ (* x x) (* y (* y 4.0))))
  (log (+ (* x x) (* y (* y 4.0))))
  (exp (+ (* x x) (* y (* y 4.0))))
  (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (cbrt (+ (* x x) (* y (* y 4.0))))
  (pow (+ (* x x) (* y (* y 4.0))) 3)
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (+ (pow x 6) (* (pow 4.0 3) (pow y 6)))
  (+ (pow x 4) (* y (* y (* 4.0 (- (* y (* y 4.0)) (* x x))))))
  (- (pow x 4) (* 4.0 (* (pow y 4) 4.0)))
  (- (* x x) (* y (* y 4.0)))
  -1.0
  1
  1
  (- (* x x) (* y (* y 4.0)))
  (- (* x x) (* y (* y 4.0)))
  (- (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
0.198 * * * [progress]: adding candidates to table
0.292 * * [progress]: iteration 2 / 4
0.292 * * * [progress]: picking best candidate
0.303 * * * * [pick]: Picked  #<alt (λ (x y) -1.0)>
0.303 * * * [progress]: localizing error
0.303 * * * [progress]: generating rewritten candidates
0.303 * * * [progress]: generating series expansions
0.303 * * * [progress]: simplifying candidates
0.304 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.306 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.306 * [simplify]: Simplified to:
   
0.306 * * * [progress]: adding candidates to table
0.306 * * [progress]: iteration 3 / 4
0.306 * * * [progress]: picking best candidate
0.313 * * * * [pick]: Picked  #<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))>
0.314 * * * [progress]: localizing error
0.325 * * * [progress]: generating rewritten candidates
0.325 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 1)
0.334 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1 1)
0.338 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1 2)
0.344 * * * [progress]: generating series expansions
0.344 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 1)
0.344 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in (x y) around 0
0.344 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.344 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.344 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.344 * [taylor]: Taking taylor expansion of x in y
0.345 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.345 * [taylor]: Taking taylor expansion of 4.0 in y
0.345 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.345 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.345 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.345 * [taylor]: Taking taylor expansion of x in y
0.345 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.345 * [taylor]: Taking taylor expansion of 4.0 in y
0.345 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.345 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.345 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.345 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.345 * [taylor]: Taking taylor expansion of 4.0 in x
0.345 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.345 * [taylor]: Taking taylor expansion of y in x
0.345 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.345 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.345 * [taylor]: Taking taylor expansion of 4.0 in x
0.345 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.345 * [taylor]: Taking taylor expansion of y in x
0.346 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.346 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.346 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.346 * [taylor]: Taking taylor expansion of 4.0 in x
0.346 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.346 * [taylor]: Taking taylor expansion of y in x
0.346 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.346 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.346 * [taylor]: Taking taylor expansion of 4.0 in x
0.346 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.346 * [taylor]: Taking taylor expansion of y in x
0.346 * [taylor]: Taking taylor expansion of -1.0 in y
0.347 * [taylor]: Taking taylor expansion of 0 in y
0.347 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.347 * [taylor]: Taking taylor expansion of 0.5 in y
0.347 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.347 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.347 * [taylor]: Taking taylor expansion of y in y
0.348 * [taylor]: Taking taylor expansion of 0 in y
0.348 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.349 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.349 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.349 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.349 * [taylor]: Taking taylor expansion of x in y
0.349 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.349 * [taylor]: Taking taylor expansion of 4.0 in y
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.349 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.349 * [taylor]: Taking taylor expansion of y in y
0.349 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.349 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.349 * [taylor]: Taking taylor expansion of x in y
0.349 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.349 * [taylor]: Taking taylor expansion of 4.0 in y
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.349 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.349 * [taylor]: Taking taylor expansion of y in y
0.349 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.349 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.349 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.349 * [taylor]: Taking taylor expansion of 4.0 in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.349 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.349 * [taylor]: Taking taylor expansion of y in x
0.349 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.349 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.349 * [taylor]: Taking taylor expansion of 4.0 in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.350 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.350 * [taylor]: Taking taylor expansion of y in x
0.350 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.350 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.350 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.350 * [taylor]: Taking taylor expansion of 4.0 in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.350 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.350 * [taylor]: Taking taylor expansion of y in x
0.350 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.350 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.350 * [taylor]: Taking taylor expansion of 4.0 in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.350 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.350 * [taylor]: Taking taylor expansion of y in x
0.350 * [taylor]: Taking taylor expansion of 1 in y
0.350 * [taylor]: Taking taylor expansion of 0 in y
0.351 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.351 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.351 * [taylor]: Taking taylor expansion of 8.0 in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.351 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.351 * [taylor]: Taking taylor expansion of y in y
0.352 * [taylor]: Taking taylor expansion of 0 in y
0.353 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.353 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.353 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.353 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.353 * [taylor]: Taking taylor expansion of 4.0 in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.353 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.353 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.353 * [taylor]: Taking taylor expansion of 4.0 in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.353 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.353 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.353 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.353 * [taylor]: Taking taylor expansion of x in x
0.353 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.353 * [taylor]: Taking taylor expansion of 4.0 in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.353 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.353 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.354 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.354 * [taylor]: Taking taylor expansion of 4.0 in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.354 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.354 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.354 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.354 * [taylor]: Taking taylor expansion of 4.0 in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.354 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.354 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.354 * [taylor]: Taking taylor expansion of 4.0 in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.354 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of 1 in y
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.356 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.356 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.356 * [taylor]: Taking taylor expansion of 8.0 in y
0.356 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.356 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.356 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of 0 in y
0.357 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1 1)
0.357 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.357 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.357 * [taylor]: Taking taylor expansion of x in y
0.357 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.357 * [taylor]: Taking taylor expansion of 4.0 in y
0.357 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.357 * [taylor]: Taking taylor expansion of x in x
0.357 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.357 * [taylor]: Taking taylor expansion of 4.0 in x
0.357 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.357 * [taylor]: Taking taylor expansion of y in x
0.357 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.357 * [taylor]: Taking taylor expansion of x in x
0.357 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.357 * [taylor]: Taking taylor expansion of 4.0 in x
0.357 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.358 * [taylor]: Taking taylor expansion of y in x
0.358 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
0.358 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.358 * [taylor]: Taking taylor expansion of 4.0 in y
0.358 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.358 * [taylor]: Taking taylor expansion of y in y
0.358 * [taylor]: Taking taylor expansion of 0 in y
0.358 * [taylor]: Taking taylor expansion of 1 in y
0.358 * [taylor]: Taking taylor expansion of 0 in y
0.359 * [taylor]: Taking taylor expansion of 0 in y
0.359 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.359 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.359 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.359 * [taylor]: Taking taylor expansion of x in y
0.359 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.359 * [taylor]: Taking taylor expansion of 4.0 in y
0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.359 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.359 * [taylor]: Taking taylor expansion of y in y
0.359 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.359 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.359 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.359 * [taylor]: Taking taylor expansion of 4.0 in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.359 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.359 * [taylor]: Taking taylor expansion of y in x
0.360 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.360 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.360 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.360 * [taylor]: Taking taylor expansion of 4.0 in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.360 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.360 * [taylor]: Taking taylor expansion of y in x
0.360 * [taylor]: Taking taylor expansion of 1 in y
0.360 * [taylor]: Taking taylor expansion of 0 in y
0.360 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.360 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.360 * [taylor]: Taking taylor expansion of 4.0 in y
0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.360 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.360 * [taylor]: Taking taylor expansion of y in y
0.361 * [taylor]: Taking taylor expansion of 0 in y
0.361 * [taylor]: Taking taylor expansion of 0 in y
0.362 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.362 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.362 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.362 * [taylor]: Taking taylor expansion of x in y
0.362 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.362 * [taylor]: Taking taylor expansion of 4.0 in y
0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.362 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.362 * [taylor]: Taking taylor expansion of y in y
0.362 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.362 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.362 * [taylor]: Taking taylor expansion of 4.0 in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.362 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.362 * [taylor]: Taking taylor expansion of y in x
0.362 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.362 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.362 * [taylor]: Taking taylor expansion of 4.0 in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.362 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.362 * [taylor]: Taking taylor expansion of y in x
0.363 * [taylor]: Taking taylor expansion of 1 in y
0.363 * [taylor]: Taking taylor expansion of 0 in y
0.363 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.363 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.363 * [taylor]: Taking taylor expansion of 4.0 in y
0.363 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.363 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.363 * [taylor]: Taking taylor expansion of y in y
0.364 * [taylor]: Taking taylor expansion of 0 in y
0.364 * [taylor]: Taking taylor expansion of 0 in y
0.364 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1 2)
0.365 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.365 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.365 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.365 * [taylor]: Taking taylor expansion of x in y
0.365 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.365 * [taylor]: Taking taylor expansion of 4.0 in y
0.365 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.365 * [taylor]: Taking taylor expansion of y in y
0.365 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.365 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.365 * [taylor]: Taking taylor expansion of x in x
0.365 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.365 * [taylor]: Taking taylor expansion of 4.0 in x
0.365 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.365 * [taylor]: Taking taylor expansion of y in x
0.365 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.365 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.365 * [taylor]: Taking taylor expansion of x in x
0.365 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.365 * [taylor]: Taking taylor expansion of 4.0 in x
0.365 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.365 * [taylor]: Taking taylor expansion of y in x
0.365 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.365 * [taylor]: Taking taylor expansion of 4.0 in y
0.365 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.365 * [taylor]: Taking taylor expansion of y in y
0.365 * [taylor]: Taking taylor expansion of 0 in y
0.365 * [taylor]: Taking taylor expansion of 1 in y
0.366 * [taylor]: Taking taylor expansion of 0 in y
0.366 * [taylor]: Taking taylor expansion of 0 in y
0.366 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.366 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.366 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.366 * [taylor]: Taking taylor expansion of x in y
0.366 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.366 * [taylor]: Taking taylor expansion of 4.0 in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.366 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.366 * [taylor]: Taking taylor expansion of y in y
0.367 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.367 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.367 * [taylor]: Taking taylor expansion of x in x
0.367 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.367 * [taylor]: Taking taylor expansion of 4.0 in x
0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.367 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.367 * [taylor]: Taking taylor expansion of y in x
0.367 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.367 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.367 * [taylor]: Taking taylor expansion of x in x
0.367 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.367 * [taylor]: Taking taylor expansion of 4.0 in x
0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.367 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.367 * [taylor]: Taking taylor expansion of y in x
0.367 * [taylor]: Taking taylor expansion of 1 in y
0.367 * [taylor]: Taking taylor expansion of 0 in y
0.367 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.367 * [taylor]: Taking taylor expansion of 4.0 in y
0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.367 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.367 * [taylor]: Taking taylor expansion of y in y
0.368 * [taylor]: Taking taylor expansion of 0 in y
0.368 * [taylor]: Taking taylor expansion of 0 in y
0.369 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.369 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.369 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.369 * [taylor]: Taking taylor expansion of x in y
0.369 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.369 * [taylor]: Taking taylor expansion of 4.0 in y
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.369 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.369 * [taylor]: Taking taylor expansion of y in y
0.369 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.369 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.369 * [taylor]: Taking taylor expansion of x in x
0.369 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.369 * [taylor]: Taking taylor expansion of 4.0 in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.369 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.369 * [taylor]: Taking taylor expansion of y in x
0.369 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.369 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.369 * [taylor]: Taking taylor expansion of x in x
0.369 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.369 * [taylor]: Taking taylor expansion of 4.0 in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.370 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.370 * [taylor]: Taking taylor expansion of y in x
0.370 * [taylor]: Taking taylor expansion of 1 in y
0.370 * [taylor]: Taking taylor expansion of 0 in y
0.370 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.370 * [taylor]: Taking taylor expansion of 4.0 in y
0.370 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.370 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.370 * [taylor]: Taking taylor expansion of y in y
0.370 * [taylor]: Taking taylor expansion of 0 in y
0.371 * [taylor]: Taking taylor expansion of 0 in y
0.371 * * * [progress]: simplifying candidates
0.372 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- (* x x) (* y (* y 4.0)))) (log (+ (* x x) (* y (* y 4.0)))))
  (log (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (/ (* (* (- (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0)))) (* (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))) (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))))
  (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (* (* (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))) (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (sqrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (sqrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (neg (- (* x x) (* y (* y 4.0))))
  (neg (+ (* x x) (* y (* y 4.0))))
  (/ (* x x) (+ (* x x) (* y (* y 4.0))))
  (/ (* y (* y 4.0)) (+ (* x x) (* y (* y 4.0))))
  (/ (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))) 1)
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) 1)
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (- (* x x) (* y (* y 4.0))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ 1 (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ 1 1)
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) 1)
  (/ (+ (* x x) (* y (* y 4.0))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (+ (pow (* x x) 3) (pow (* y (* y 4.0)) 3)))
  (/ (- (* x x) (* y (* y 4.0))) (- (* (* x x) (* x x)) (* (* y (* y 4.0)) (* y (* y 4.0)))))
  (* (+ (* x x) (* y (* y 4.0))) (+ (* (* x x) (* x x)) (+ (* (* y (* y 4.0)) (* y (* y 4.0))) (* (* x x) (* y (* y 4.0))))))
  (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ (exp (* x x)) (exp (* y (* y 4.0))))
  (log (- (* x x) (* y (* y 4.0))))
  (exp (- (* x x) (* y (* y 4.0))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (cbrt (- (* x x) (* y (* y 4.0))))
  (* (* (- (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (- (pow (* x x) 3) (pow (* y (* y 4.0)) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y (* y 4.0)) (* y (* y 4.0))) (* (* x x) (* y (* y 4.0)))))
  (neg (* y (* y 4.0)))
  (- (* (* x x) (* x x)) (* (* y (* y 4.0)) (* y (* y 4.0))))
  (+ (* x x) (* y (* y 4.0)))
  (neg (* y (* y 4.0)))
  (* (exp (* x x)) (exp (* y (* y 4.0))))
  (log (+ (* x x) (* y (* y 4.0))))
  (exp (+ (* x x) (* y (* y 4.0))))
  (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (cbrt (+ (* x x) (* y (* y 4.0))))
  (* (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (+ (pow (* x x) 3) (pow (* y (* y 4.0)) 3))
  (+ (* (* x x) (* x x)) (- (* (* y (* y 4.0)) (* y (* y 4.0))) (* (* x x) (* y (* y 4.0)))))
  (- (* (* x x) (* x x)) (* (* y (* y 4.0)) (* y (* y 4.0))))
  (- (* x x) (* y (* y 4.0)))
  -1.0
  1
  1
  (- (pow x 2) (* 4.0 (pow y 2)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
0.425 * * [simplify]: iteration  0 :  6327  enodes  (cost  1210 )
0.430 * [simplify]: Simplified to:
   (log (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (log (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (pow (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) 3)
  (* (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))) (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))))
  (cbrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (pow (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) 3)
  (sqrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (sqrt (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))
  (- (* y (* y 4.0)) (* x x))
  (- (* y (* y (neg 4.0))) (* x x))
  (* x (/ x (+ (* x x) (* y (* y 4.0)))))
  (* (* y 4.0) (/ y (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (/ (cbrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0))))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (- (* x x) (* y (* y 4.0))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ 1 (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  1
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (- (* x x) (* y (* y 4.0)))
  (/ (+ (* x x) (* y (* y 4.0))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (+ (pow x 6) (* (pow 4.0 3) (pow y 6))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (* (+ (* x x) (* y (* y 4.0))) (+ (pow x 4) (* y (* y (* 4.0 (+ (* x x) (* y (* y 4.0))))))))
  (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (exp (- (* x x) (* y (* y 4.0))))
  (log (- (* x x) (* y (* y 4.0))))
  (exp (- (* x x) (* y (* y 4.0))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (cbrt (- (* x x) (* y (* y 4.0))))
  (pow (- (* x x) (* y (* y 4.0))) 3)
  (sqrt (- (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (- (pow x 6) (* (pow 4.0 3) (pow y 6)))
  (+ (pow x 4) (* y (* y (* 4.0 (+ (* x x) (* y (* y 4.0)))))))
  (* y (* y (neg 4.0)))
  (- (pow x 4) (* 4.0 (* 4.0 (pow y 4))))
  (+ (* x x) (* y (* y 4.0)))
  (* y (* y (neg 4.0)))
  (exp (+ (* x x) (* y (* y 4.0))))
  (log (+ (* x x) (* y (* y 4.0))))
  (exp (+ (* x x) (* y (* y 4.0))))
  (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (cbrt (+ (* x x) (* y (* y 4.0))))
  (pow (+ (* x x) (* y (* y 4.0))) 3)
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (+ (pow x 6) (* (pow 4.0 3) (pow y 6)))
  (+ (pow x 4) (* y (* y (* 4.0 (- (* y (* y 4.0)) (* x x))))))
  (- (pow x 4) (* 4.0 (* 4.0 (pow y 4))))
  (- (* x x) (* y (* y 4.0)))
  -1.0
  1
  1
  (- (* x x) (* y (* y 4.0)))
  (- (* x x) (* y (* y 4.0)))
  (- (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
0.430 * * * [progress]: adding candidates to table
0.538 * * [progress]: iteration 4 / 4
0.538 * * * [progress]: picking best candidate
0.542 * * * * [pick]: Picked  #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))>
0.542 * * * [progress]: localizing error
0.551 * * * [progress]: generating rewritten candidates
0.551 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
0.562 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 2)
0.566 * * * * [progress]: [ 3 / 4 ] rewriting at (2)
0.577 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
0.586 * * * [progress]: generating series expansions
0.586 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
0.587 * [approximate]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in (x y) around 0
0.587 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in y
0.587 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.587 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.587 * [taylor]: Taking taylor expansion of x in y
0.587 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.587 * [taylor]: Taking taylor expansion of 4.0 in y
0.587 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.587 * [taylor]: Taking taylor expansion of y in y
0.587 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.587 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.587 * [taylor]: Taking taylor expansion of x in y
0.587 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.587 * [taylor]: Taking taylor expansion of 4.0 in y
0.587 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.587 * [taylor]: Taking taylor expansion of y in y
0.587 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in x
0.587 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.587 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.587 * [taylor]: Taking taylor expansion of x in x
0.587 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.587 * [taylor]: Taking taylor expansion of 4.0 in x
0.587 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.587 * [taylor]: Taking taylor expansion of y in x
0.587 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.587 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.587 * [taylor]: Taking taylor expansion of x in x
0.587 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.587 * [taylor]: Taking taylor expansion of 4.0 in x
0.587 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.587 * [taylor]: Taking taylor expansion of y in x
0.588 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in x
0.588 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.588 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.588 * [taylor]: Taking taylor expansion of 4.0 in x
0.588 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.588 * [taylor]: Taking taylor expansion of y in x
0.588 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.588 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.588 * [taylor]: Taking taylor expansion of 4.0 in x
0.588 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.588 * [taylor]: Taking taylor expansion of y in x
0.589 * [taylor]: Taking taylor expansion of -1.0 in y
0.589 * [taylor]: Taking taylor expansion of 0 in y
0.590 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 (pow y 2)))) in y
0.590 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.590 * [taylor]: Taking taylor expansion of 0.5 in y
0.590 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.590 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.590 * [taylor]: Taking taylor expansion of y in y
0.591 * [taylor]: Taking taylor expansion of 0 in y
0.591 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.591 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.591 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.591 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.591 * [taylor]: Taking taylor expansion of x in y
0.591 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.591 * [taylor]: Taking taylor expansion of 4.0 in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.591 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.591 * [taylor]: Taking taylor expansion of y in y
0.591 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.591 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.591 * [taylor]: Taking taylor expansion of x in y
0.591 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.591 * [taylor]: Taking taylor expansion of 4.0 in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.591 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.591 * [taylor]: Taking taylor expansion of y in y
0.592 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.592 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.592 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.592 * [taylor]: Taking taylor expansion of 4.0 in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.592 * [taylor]: Taking taylor expansion of y in x
0.592 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.592 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.592 * [taylor]: Taking taylor expansion of 4.0 in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.592 * [taylor]: Taking taylor expansion of y in x
0.592 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.592 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.592 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.592 * [taylor]: Taking taylor expansion of 4.0 in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.592 * [taylor]: Taking taylor expansion of y in x
0.592 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.593 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.593 * [taylor]: Taking taylor expansion of 4.0 in x
0.593 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.593 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.593 * [taylor]: Taking taylor expansion of y in x
0.593 * [taylor]: Taking taylor expansion of 1 in y
0.593 * [taylor]: Taking taylor expansion of 0 in y
0.594 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.594 * [taylor]: Taking taylor expansion of 8.0 in y
0.594 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.594 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.594 * [taylor]: Taking taylor expansion of y in y
0.595 * [taylor]: Taking taylor expansion of 0 in y
0.595 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.595 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.595 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.595 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.595 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.595 * [taylor]: Taking taylor expansion of x in y
0.595 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.595 * [taylor]: Taking taylor expansion of 4.0 in y
0.595 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.595 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.595 * [taylor]: Taking taylor expansion of y in y
0.595 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.595 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.595 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.595 * [taylor]: Taking taylor expansion of x in y
0.595 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.595 * [taylor]: Taking taylor expansion of 4.0 in y
0.595 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.595 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.595 * [taylor]: Taking taylor expansion of y in y
0.596 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.596 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.596 * [taylor]: Taking taylor expansion of 4.0 in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.596 * [taylor]: Taking taylor expansion of y in x
0.596 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.596 * [taylor]: Taking taylor expansion of 4.0 in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.596 * [taylor]: Taking taylor expansion of y in x
0.596 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.596 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.596 * [taylor]: Taking taylor expansion of 4.0 in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.596 * [taylor]: Taking taylor expansion of y in x
0.596 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.596 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.597 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.597 * [taylor]: Taking taylor expansion of 4.0 in x
0.597 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.597 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.597 * [taylor]: Taking taylor expansion of y in x
0.597 * [taylor]: Taking taylor expansion of 1 in y
0.597 * [taylor]: Taking taylor expansion of 0 in y
0.598 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.598 * [taylor]: Taking taylor expansion of 8.0 in y
0.598 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.598 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.598 * [taylor]: Taking taylor expansion of y in y
0.599 * [taylor]: Taking taylor expansion of 0 in y
0.599 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 2)
0.599 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.599 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.599 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.599 * [taylor]: Taking taylor expansion of x in y
0.599 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.599 * [taylor]: Taking taylor expansion of 4.0 in y
0.599 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.599 * [taylor]: Taking taylor expansion of y in y
0.599 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.599 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.599 * [taylor]: Taking taylor expansion of x in x
0.599 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.599 * [taylor]: Taking taylor expansion of 4.0 in x
0.599 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.599 * [taylor]: Taking taylor expansion of y in x
0.600 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.600 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.600 * [taylor]: Taking taylor expansion of x in x
0.600 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.600 * [taylor]: Taking taylor expansion of 4.0 in x
0.600 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.600 * [taylor]: Taking taylor expansion of y in x
0.600 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
0.600 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.600 * [taylor]: Taking taylor expansion of 4.0 in y
0.600 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.600 * [taylor]: Taking taylor expansion of y in y
0.600 * [taylor]: Taking taylor expansion of 0 in y
0.600 * [taylor]: Taking taylor expansion of 1 in y
0.601 * [taylor]: Taking taylor expansion of 0 in y
0.601 * [taylor]: Taking taylor expansion of 0 in y
0.601 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.601 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.601 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.601 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.601 * [taylor]: Taking taylor expansion of x in y
0.601 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.601 * [taylor]: Taking taylor expansion of 4.0 in y
0.601 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.601 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.601 * [taylor]: Taking taylor expansion of y in y
0.601 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.601 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.601 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.602 * [taylor]: Taking taylor expansion of x in x
0.602 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.602 * [taylor]: Taking taylor expansion of 4.0 in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.602 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.602 * [taylor]: Taking taylor expansion of y in x
0.602 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.602 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.602 * [taylor]: Taking taylor expansion of x in x
0.602 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.602 * [taylor]: Taking taylor expansion of 4.0 in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.602 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.602 * [taylor]: Taking taylor expansion of y in x
0.602 * [taylor]: Taking taylor expansion of 1 in y
0.602 * [taylor]: Taking taylor expansion of 0 in y
0.602 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.602 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.602 * [taylor]: Taking taylor expansion of 4.0 in y
0.602 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.602 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.602 * [taylor]: Taking taylor expansion of y in y
0.603 * [taylor]: Taking taylor expansion of 0 in y
0.603 * [taylor]: Taking taylor expansion of 0 in y
0.604 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.604 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.604 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.604 * [taylor]: Taking taylor expansion of x in y
0.604 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.604 * [taylor]: Taking taylor expansion of 4.0 in y
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.604 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.604 * [taylor]: Taking taylor expansion of y in y
0.604 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.604 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.604 * [taylor]: Taking taylor expansion of x in x
0.604 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.604 * [taylor]: Taking taylor expansion of 4.0 in x
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.604 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.604 * [taylor]: Taking taylor expansion of y in x
0.604 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.605 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.605 * [taylor]: Taking taylor expansion of x in x
0.605 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.605 * [taylor]: Taking taylor expansion of 4.0 in x
0.605 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.605 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.605 * [taylor]: Taking taylor expansion of y in x
0.605 * [taylor]: Taking taylor expansion of 1 in y
0.605 * [taylor]: Taking taylor expansion of 0 in y
0.605 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.605 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.605 * [taylor]: Taking taylor expansion of 4.0 in y
0.605 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.605 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.605 * [taylor]: Taking taylor expansion of y in y
0.606 * [taylor]: Taking taylor expansion of 0 in y
0.606 * [taylor]: Taking taylor expansion of 0 in y
0.607 * * * * [progress]: [ 3 / 4 ] generating series at (2)
0.607 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in (x y) around 0
0.607 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.607 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.607 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.607 * [taylor]: Taking taylor expansion of x in y
0.607 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.607 * [taylor]: Taking taylor expansion of 4.0 in y
0.607 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.607 * [taylor]: Taking taylor expansion of y in y
0.607 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.607 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.607 * [taylor]: Taking taylor expansion of x in y
0.607 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.607 * [taylor]: Taking taylor expansion of 4.0 in y
0.607 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.607 * [taylor]: Taking taylor expansion of y in y
0.607 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.607 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.607 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.607 * [taylor]: Taking taylor expansion of x in x
0.607 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.607 * [taylor]: Taking taylor expansion of 4.0 in x
0.607 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.607 * [taylor]: Taking taylor expansion of y in x
0.607 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.607 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.607 * [taylor]: Taking taylor expansion of x in x
0.607 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.607 * [taylor]: Taking taylor expansion of 4.0 in x
0.608 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.608 * [taylor]: Taking taylor expansion of y in x
0.608 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.608 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.608 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.608 * [taylor]: Taking taylor expansion of 4.0 in x
0.608 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.608 * [taylor]: Taking taylor expansion of y in x
0.608 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.608 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.608 * [taylor]: Taking taylor expansion of 4.0 in x
0.608 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.608 * [taylor]: Taking taylor expansion of y in x
0.609 * [taylor]: Taking taylor expansion of -1.0 in y
0.609 * [taylor]: Taking taylor expansion of 0 in y
0.610 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.610 * [taylor]: Taking taylor expansion of 0.5 in y
0.610 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.610 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.610 * [taylor]: Taking taylor expansion of y in y
0.610 * [taylor]: Taking taylor expansion of 0 in y
0.611 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.611 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.611 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.611 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.611 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.611 * [taylor]: Taking taylor expansion of x in y
0.611 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.611 * [taylor]: Taking taylor expansion of 4.0 in y
0.611 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.611 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.611 * [taylor]: Taking taylor expansion of y in y
0.611 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.611 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.611 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.611 * [taylor]: Taking taylor expansion of x in y
0.611 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.611 * [taylor]: Taking taylor expansion of 4.0 in y
0.611 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.611 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.611 * [taylor]: Taking taylor expansion of y in y
0.611 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.611 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.611 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.611 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.611 * [taylor]: Taking taylor expansion of x in x
0.611 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.611 * [taylor]: Taking taylor expansion of 4.0 in x
0.611 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.612 * [taylor]: Taking taylor expansion of y in x
0.612 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.612 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.612 * [taylor]: Taking taylor expansion of 4.0 in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.612 * [taylor]: Taking taylor expansion of y in x
0.612 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.612 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.612 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.612 * [taylor]: Taking taylor expansion of 4.0 in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.612 * [taylor]: Taking taylor expansion of y in x
0.612 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.612 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.612 * [taylor]: Taking taylor expansion of 4.0 in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.612 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.612 * [taylor]: Taking taylor expansion of y in x
0.612 * [taylor]: Taking taylor expansion of 1 in y
0.613 * [taylor]: Taking taylor expansion of 0 in y
0.613 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.613 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.613 * [taylor]: Taking taylor expansion of 8.0 in y
0.613 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.613 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.613 * [taylor]: Taking taylor expansion of y in y
0.614 * [taylor]: Taking taylor expansion of 0 in y
0.615 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.615 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.615 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.615 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.615 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.615 * [taylor]: Taking taylor expansion of x in y
0.615 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.615 * [taylor]: Taking taylor expansion of 4.0 in y
0.615 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.615 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.615 * [taylor]: Taking taylor expansion of y in y
0.615 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.615 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.615 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.615 * [taylor]: Taking taylor expansion of x in y
0.615 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.615 * [taylor]: Taking taylor expansion of 4.0 in y
0.615 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.615 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.615 * [taylor]: Taking taylor expansion of y in y
0.615 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.615 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.615 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.615 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.615 * [taylor]: Taking taylor expansion of x in x
0.615 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.616 * [taylor]: Taking taylor expansion of 4.0 in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.616 * [taylor]: Taking taylor expansion of y in x
0.616 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.616 * [taylor]: Taking taylor expansion of x in x
0.616 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.616 * [taylor]: Taking taylor expansion of 4.0 in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.616 * [taylor]: Taking taylor expansion of y in x
0.616 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.616 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.616 * [taylor]: Taking taylor expansion of x in x
0.616 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.616 * [taylor]: Taking taylor expansion of 4.0 in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.616 * [taylor]: Taking taylor expansion of y in x
0.616 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.616 * [taylor]: Taking taylor expansion of x in x
0.616 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.616 * [taylor]: Taking taylor expansion of 4.0 in x
0.616 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.616 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.616 * [taylor]: Taking taylor expansion of y in x
0.617 * [taylor]: Taking taylor expansion of 1 in y
0.617 * [taylor]: Taking taylor expansion of 0 in y
0.617 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.617 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.617 * [taylor]: Taking taylor expansion of 8.0 in y
0.617 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.617 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.618 * [taylor]: Taking taylor expansion of y in y
0.618 * [taylor]: Taking taylor expansion of 0 in y
0.619 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
0.619 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.619 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.619 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.619 * [taylor]: Taking taylor expansion of x in y
0.619 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.619 * [taylor]: Taking taylor expansion of 4.0 in y
0.619 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.619 * [taylor]: Taking taylor expansion of y in y
0.619 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.619 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.619 * [taylor]: Taking taylor expansion of x in x
0.619 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.619 * [taylor]: Taking taylor expansion of 4.0 in x
0.619 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.619 * [taylor]: Taking taylor expansion of y in x
0.619 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.619 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.619 * [taylor]: Taking taylor expansion of x in x
0.619 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.619 * [taylor]: Taking taylor expansion of 4.0 in x
0.619 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.619 * [taylor]: Taking taylor expansion of y in x
0.619 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.619 * [taylor]: Taking taylor expansion of 4.0 in y
0.619 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.619 * [taylor]: Taking taylor expansion of y in y
0.619 * [taylor]: Taking taylor expansion of 0 in y
0.620 * [taylor]: Taking taylor expansion of 1 in y
0.620 * [taylor]: Taking taylor expansion of 0 in y
0.620 * [taylor]: Taking taylor expansion of 0 in y
0.620 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.620 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.620 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.620 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.620 * [taylor]: Taking taylor expansion of x in y
0.621 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.621 * [taylor]: Taking taylor expansion of 4.0 in y
0.621 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.621 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.621 * [taylor]: Taking taylor expansion of y in y
0.621 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.621 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.621 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.621 * [taylor]: Taking taylor expansion of x in x
0.621 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.621 * [taylor]: Taking taylor expansion of 4.0 in x
0.621 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.621 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.621 * [taylor]: Taking taylor expansion of y in x
0.621 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.621 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.621 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.621 * [taylor]: Taking taylor expansion of x in x
0.621 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.621 * [taylor]: Taking taylor expansion of 4.0 in x
0.621 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.621 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.621 * [taylor]: Taking taylor expansion of y in x
0.621 * [taylor]: Taking taylor expansion of 1 in y
0.621 * [taylor]: Taking taylor expansion of 0 in y
0.621 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.621 * [taylor]: Taking taylor expansion of 4.0 in y
0.622 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.622 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.622 * [taylor]: Taking taylor expansion of y in y
0.622 * [taylor]: Taking taylor expansion of 0 in y
0.622 * [taylor]: Taking taylor expansion of 0 in y
0.623 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.623 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.623 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.623 * [taylor]: Taking taylor expansion of x in y
0.623 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.623 * [taylor]: Taking taylor expansion of 4.0 in y
0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.623 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.623 * [taylor]: Taking taylor expansion of y in y
0.623 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.623 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.623 * [taylor]: Taking taylor expansion of x in x
0.623 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.623 * [taylor]: Taking taylor expansion of 4.0 in x
0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.623 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.623 * [taylor]: Taking taylor expansion of y in x
0.623 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.623 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.623 * [taylor]: Taking taylor expansion of x in x
0.624 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.624 * [taylor]: Taking taylor expansion of 4.0 in x
0.624 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.624 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.624 * [taylor]: Taking taylor expansion of y in x
0.624 * [taylor]: Taking taylor expansion of 1 in y
0.624 * [taylor]: Taking taylor expansion of 0 in y
0.624 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.624 * [taylor]: Taking taylor expansion of 4.0 in y
0.624 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.624 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.624 * [taylor]: Taking taylor expansion of y in y
0.624 * [taylor]: Taking taylor expansion of 0 in y
0.625 * [taylor]: Taking taylor expansion of 0 in y
0.625 * * * [progress]: simplifying candidates
0.628 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (* x x) (* y (* y 4.0)))) (log (- (* x x) (* y (* y 4.0)))))
  (log (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (exp (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (/ (* (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0)))) (* (* (- (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0)))))
  (* (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (* (* (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (neg (+ (* x x) (* y (* y 4.0))))
  (neg (- (* x x) (* y (* y 4.0))))
  (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) 1)
  (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0))))
  (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (sqrt (+ (* x x) (* y (* y 4.0)))) 1)
  (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0))))
  (/ 1 (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (+ (* x x) (* y (* y 4.0))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ 1 (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ 1 1)
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ 1 (- (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (+ (* x x) (* y (* y 4.0))) (sqrt (- (* x x) (* y (* y 4.0)))))
  (/ (+ (* x x) (* y (* y 4.0))) 1)
  (/ (- (* x x) (* y (* y 4.0))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (pow (* x x) 3) (pow (* y (* y 4.0)) 3)))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* (* x x) (* x x)) (* (* y (* y 4.0)) (* y (* y 4.0)))))
  (* (- (* x x) (* y (* y 4.0))) (+ (* (* x x) (* x x)) (- (* (* y (* y 4.0)) (* y (* y 4.0))) (* (* x x) (* y (* y 4.0))))))
  (* (- (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (exp (* x x)) (exp (* y (* y 4.0))))
  (log (- (* x x) (* y (* y 4.0))))
  (exp (- (* x x) (* y (* y 4.0))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (cbrt (- (* x x) (* y (* y 4.0))))
  (* (* (- (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (- (pow (* x x) 3) (pow (* y (* y 4.0)) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y (* y 4.0)) (* y (* y 4.0))) (* (* x x) (* y (* y 4.0)))))
  (neg (* y (* y 4.0)))
  (- (* (* x x) (* x x)) (* (* y (* y 4.0)) (* y (* y 4.0))))
  (+ (* x x) (* y (* y 4.0)))
  (neg (* y (* y 4.0)))
  (neg 1)
  (neg (- (log (+ (* x x) (* y (* y 4.0)))) (log (- (* x x) (* y (* y 4.0))))))
  (neg (log (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (- 0 (- (log (+ (* x x) (* y (* y 4.0)))) (log (- (* x x) (* y (* y 4.0))))))
  (- 0 (log (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (- (log 1) (- (log (+ (* x x) (* y (* y 4.0)))) (log (- (* x x) (* y (* y 4.0))))))
  (- (log 1) (log (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (log (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (exp (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (* (* 1 1) 1) (/ (* (* (+ (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0)))) (* (* (- (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0))))))
  (/ (* (* 1 1) 1) (* (* (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))) (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (* (cbrt (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))) (cbrt (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))))
  (cbrt (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (* (* (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (sqrt (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (sqrt (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (neg 1)
  (neg (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))))
  (/ (cbrt 1) (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (cbrt 1) (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))))
  (/ (cbrt 1) (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (cbrt 1) (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) 1))
  (/ (cbrt 1) (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))))
  (/ (cbrt 1) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (cbrt 1) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) 1))
  (/ (cbrt 1) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))))
  (/ (cbrt 1) (/ (+ (* x x) (* y (* y 4.0))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (cbrt 1) (/ (+ (* x x) (* y (* y 4.0))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt 1) (cbrt 1)) (+ (* x x) (* y (* y 4.0))))
  (/ (cbrt 1) (/ 1 (- (* x x) (* y (* y 4.0)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (* x x) (* y (* y 4.0))) (- (pow (* x x) 3) (pow (* y (* y 4.0)) 3))))
  (/ (cbrt 1) (+ (* (* x x) (* x x)) (+ (* (* y (* y 4.0)) (* y (* y 4.0))) (* (* x x) (* y (* y 4.0))))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (* x x) (* y (* y 4.0))) (- (* (* x x) (* x x)) (* (* y (* y 4.0)) (* y (* y 4.0))))))
  (/ (cbrt 1) (+ (* x x) (* y (* y 4.0))))
  (/ (sqrt 1) (* (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))))
  (/ (sqrt 1) (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))))
  (/ (sqrt 1) (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (/ (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))) 1))
  (/ (sqrt 1) (/ (cbrt (+ (* x x) (* y (* y 4.0)))) (- (* x x) (* y (* y 4.0)))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0))))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* y (* y 4.0)))) (sqrt (- (* x x) (* y (* y 4.0))))))
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  1
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0.689 * * [simplify]: iteration  0 :  5761  enodes  (cost  3822 )
0.700 * [simplify]: Simplified to:
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  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ 1 (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ (- (* x x) (* y (* y 4.0))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (/ (cbrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (+ (* x x) (* y (* y 4.0))))
  1
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  1
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (- (* x x) (* y (* y 4.0)))
  (/ (- (pow x 6) (* (pow 4.0 3) (pow y 6))) (+ (* x x) (* y (* y 4.0))))
  (/ 1 (+ (pow x 4) (* y (* (* y 4.0) (+ (* x x) (* y (* y 4.0)))))))
  (- (* x x) (* y (* y 4.0)))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ 1 (* (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))) (cbrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0)))))))
  (/ 1 (sqrt (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (/ (cbrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (/ 1 (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0))))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (/ (cbrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0))))))
  (/ (sqrt (- (* x x) (* y (* y 4.0)))) (sqrt (+ (* x x) (* y (* y 4.0)))))
  (/ 1 (sqrt (+ (* x x) (* y (* y 4.0)))))
  (* (cbrt (- (* x x) (* y (* y 4.0)))) (cbrt (- (* x x) (* y (* y 4.0)))))
  (sqrt (- (* x x) (* y (* y 4.0))))
  1
  1
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (/ (- (pow x 6) (* (pow 4.0 3) (pow y 6))) (+ (* x x) (* y (* y 4.0))))
  (- (* x x) (* y (* y 4.0)))
  (/ (+ (* x x) (* y (* y 4.0))) (* (- (* x x) (* y (* y 4.0))) (cbrt 1)))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))
  (/ 1 (+ (* x x) (* y (* y 4.0))))
  (exp (+ (* x x) (* y (* y 4.0))))
  (log (+ (* x x) (* y (* y 4.0))))
  (exp (+ (* x x) (* y (* y 4.0))))
  (* (cbrt (+ (* x x) (* y (* y 4.0)))) (cbrt (+ (* x x) (* y (* y 4.0)))))
  (cbrt (+ (* x x) (* y (* y 4.0))))
  (pow (+ (* x x) (* y (* y 4.0))) 3)
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (sqrt (+ (* x x) (* y (* y 4.0))))
  (+ (pow x 6) (* (pow 4.0 3) (pow y 6)))
  (+ (pow x 4) (* y (* (* y 4.0) (- (* y (* y 4.0)) (* x x)))))
  (- (pow x 4) (* (* 4.0 4.0) (pow y 4)))
  (- (* x x) (* y (* y 4.0)))
  -1.0
  1
  1
  (- (* x x) (* y (* y 4.0)))
  (- (* x x) (* y (* y 4.0)))
  (- (* x x) (* y (* y 4.0)))
  -1.0
  1
  1
  (+ (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
  (+ (* x x) (* y (* y 4.0)))
0.701 * * * [progress]: adding candidates to table
0.899 * [progress]: [Phase 3 of 3] Extracting.
0.899 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.900 * * * [regime-changes]: Trying 3 branch expressions: ((* x x) y x)
0.900 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.945 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
1.001 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
1.061 * * * [regime]: Found split indices: #<option (#s(si 2 42) #s(si 0 99) #s(si 3 178) #s(si 0 218) #s(si 2 255))>
1.061 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
1.118 * [regimes]: Found splitpoints: (#s(sp 2 y -1.764991854214719e+132) #s(sp 0 y -1.4234975565317594e-157) #s(sp 3 y 1.8799530825863938e-63) #s(sp 0 y 4.335547023360549e+132) #s(sp 2 y +nan.0)) , with alts (#<alt (λ (x y) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* y (* y 4.0))) (- (* x x) (* y (* y 4.0))))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
1.119 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -1.764991854214719e+132) -1.0 (if (<= y -1.4234975565317594e-157) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))) (if (<= y 1.8799530825863938e-63) 1 (if (<= y 4.335547023360549e+132) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))) -1.0))))
1.120 * * [simplify]: iteration  0 :  64  enodes  (cost  61 )
1.120 * * [simplify]: iteration  1 :  64  enodes  (cost  61 )
1.120 * [simplify]: Simplified to:
   (if (<= y -1.764991854214719e+132) -1.0 (if (<= y -1.4234975565317594e-157) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))) (if (<= y 1.8799530825863938e-63) 1 (if (<= y 4.335547023360549e+132) (log (exp (/ (- (* x x) (* y (* y 4.0))) (+ (* x x) (* y (* y 4.0)))))) -1.0))))
2.107 * [regime-testing]: End program error score: 12.654388083063777
2.223 * [regime-testing]: Target error score: 31.53606997140201