11.633 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.024 * * [simplify]: iteration  0 :  9  enodes  (cost  19 )
0.026 * * [simplify]: iteration  1 :  17  enodes  (cost  19 )
0.028 * * [simplify]: iteration  2 :  35  enodes  (cost  19 )
0.033 * * [simplify]: iteration  3 :  70  enodes  (cost  19 )
0.042 * * [simplify]: iteration  4 :  119  enodes  (cost  19 )
0.061 * * [simplify]: iteration  5 :  167  enodes  (cost  19 )
0.081 * * [simplify]: iteration  6 :  187  enodes  (cost  19 )
0.103 * * [simplify]: iteration  7 :  188  enodes  (cost  19 )
0.122 * * [simplify]: iteration  done :  188  enodes  (cost  19 )
0.122 * [simplify]: Simplified to:
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.122 * * [progress]: iteration 1 / 4
0.122 * * * [progress]: picking best candidate
0.125 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.125 * * * [progress]: localizing error
0.133 * * * [progress]: generating rewritten candidates
0.133 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.142 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.146 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.151 * * * [progress]: generating series expansions
0.151 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.151 * [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
0.152 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.152 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.152 * [taylor]: Taking taylor expansion of 4.0 in y
0.152 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.152 * [taylor]: Taking taylor expansion of 4.0 in y
0.152 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.152 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.152 * [taylor]: Taking taylor expansion of 4.0 in x
0.152 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.152 * [taylor]: Taking taylor expansion of 4.0 in x
0.152 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.153 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.153 * [taylor]: Taking taylor expansion of 4.0 in x
0.153 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.153 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.153 * [taylor]: Taking taylor expansion of 4.0 in x
0.153 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.153 * [taylor]: Taking taylor expansion of y in x
0.154 * [taylor]: Taking taylor expansion of -1.0 in y
0.154 * [taylor]: Taking taylor expansion of 0 in y
0.154 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.154 * [taylor]: Taking taylor expansion of 0.5 in y
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.155 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.155 * [taylor]: Taking taylor expansion of y in y
0.155 * [taylor]: Taking taylor expansion of 0 in y
0.156 * [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
0.156 * [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
0.156 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.156 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.156 * [taylor]: Taking taylor expansion of x in y
0.156 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.156 * [taylor]: Taking taylor expansion of 4.0 in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.156 * [taylor]: Taking taylor expansion of y in y
0.156 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.156 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.156 * [taylor]: Taking taylor expansion of x in y
0.156 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.156 * [taylor]: Taking taylor expansion of 4.0 in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.156 * [taylor]: Taking taylor expansion of y in y
0.156 * [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
0.156 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.156 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.156 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.156 * [taylor]: Taking taylor expansion of 4.0 in x
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.157 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.157 * [taylor]: Taking taylor expansion of 4.0 in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.157 * [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
0.157 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.157 * [taylor]: Taking taylor expansion of 4.0 in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.157 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.157 * [taylor]: Taking taylor expansion of 4.0 in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.158 * [taylor]: Taking taylor expansion of 1 in y
0.158 * [taylor]: Taking taylor expansion of 0 in y
0.158 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.158 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.158 * [taylor]: Taking taylor expansion of 8.0 in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.159 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.160 * [taylor]: Taking taylor expansion of 0 in y
0.160 * [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
0.160 * [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
0.160 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.160 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.160 * [taylor]: Taking taylor expansion of x in y
0.160 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.160 * [taylor]: Taking taylor expansion of 4.0 in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.160 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.160 * [taylor]: Taking taylor expansion of y in y
0.160 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.160 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.160 * [taylor]: Taking taylor expansion of x in y
0.160 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.160 * [taylor]: Taking taylor expansion of 4.0 in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.160 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.160 * [taylor]: Taking taylor expansion of y in y
0.161 * [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
0.161 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.161 * [taylor]: Taking taylor expansion of 4.0 in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.161 * [taylor]: Taking taylor expansion of 4.0 in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [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
0.161 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.161 * [taylor]: Taking taylor expansion of 4.0 in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.162 * [taylor]: Taking taylor expansion of 4.0 in x
0.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.162 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.162 * [taylor]: Taking taylor expansion of y in x
0.162 * [taylor]: Taking taylor expansion of 1 in y
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.163 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.163 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.163 * [taylor]: Taking taylor expansion of 8.0 in y
0.163 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.163 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.163 * [taylor]: Taking taylor expansion of y in y
0.164 * [taylor]: Taking taylor expansion of 0 in y
0.164 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.164 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.164 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.164 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.164 * [taylor]: Taking taylor expansion of x in y
0.164 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.164 * [taylor]: Taking taylor expansion of 4.0 in y
0.164 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.164 * [taylor]: Taking taylor expansion of y in y
0.164 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.164 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.164 * [taylor]: Taking taylor expansion of 4.0 in x
0.164 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.164 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.164 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.164 * [taylor]: Taking taylor expansion of 4.0 in x
0.164 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.165 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
0.165 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.165 * [taylor]: Taking taylor expansion of 4.0 in y
0.165 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [taylor]: Taking taylor expansion of 1 in y
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.166 * [taylor]: Taking taylor expansion of 0 in y
0.166 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.166 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.166 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.166 * [taylor]: Taking taylor expansion of x in y
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.166 * [taylor]: Taking taylor expansion of 4.0 in y
0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.166 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.166 * [taylor]: Taking taylor expansion of y in y
0.166 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.166 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.167 * [taylor]: Taking taylor expansion of 4.0 in x
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.167 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.167 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.167 * [taylor]: Taking taylor expansion of 4.0 in x
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.167 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of 1 in y
0.167 * [taylor]: Taking taylor expansion of 0 in y
0.167 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.167 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.167 * [taylor]: Taking taylor expansion of 4.0 in y
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.167 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.169 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.169 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.169 * [taylor]: Taking taylor expansion of x in y
0.169 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.169 * [taylor]: Taking taylor expansion of 4.0 in y
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.169 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.169 * [taylor]: Taking taylor expansion of y in y
0.169 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.169 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.169 * [taylor]: Taking taylor expansion of 4.0 in x
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.169 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.170 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.170 * [taylor]: Taking taylor expansion of 4.0 in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.170 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of 1 in y
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.170 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.170 * [taylor]: Taking taylor expansion of 4.0 in y
0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.170 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.170 * [taylor]: Taking taylor expansion of y in y
0.171 * [taylor]: Taking taylor expansion of 0 in y
0.171 * [taylor]: Taking taylor expansion of 0 in y
0.172 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.172 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.172 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.172 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.172 * [taylor]: Taking taylor expansion of x in y
0.172 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.172 * [taylor]: Taking taylor expansion of 4.0 in y
0.172 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.172 * [taylor]: Taking taylor expansion of 4.0 in x
0.172 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.172 * [taylor]: Taking taylor expansion of 4.0 in x
0.172 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.172 * [taylor]: Taking taylor expansion of 4.0 in y
0.172 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of 0 in y
0.173 * [taylor]: Taking taylor expansion of 1 in y
0.173 * [taylor]: Taking taylor expansion of 0 in y
0.173 * [taylor]: Taking taylor expansion of 0 in y
0.174 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.174 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.174 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.174 * [taylor]: Taking taylor expansion of x in y
0.174 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.174 * [taylor]: Taking taylor expansion of 4.0 in y
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.174 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.174 * [taylor]: Taking taylor expansion of y in y
0.174 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.174 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.174 * [taylor]: Taking taylor expansion of 4.0 in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.174 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.174 * [taylor]: Taking taylor expansion of y in x
0.174 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.174 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.174 * [taylor]: Taking taylor expansion of 4.0 in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.174 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.174 * [taylor]: Taking taylor expansion of y in x
0.177 * [taylor]: Taking taylor expansion of 1 in y
0.178 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.178 * [taylor]: Taking taylor expansion of 4.0 in y
0.178 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.178 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.178 * [taylor]: Taking taylor expansion of y in y
0.178 * [taylor]: Taking taylor expansion of 0 in y
0.179 * [taylor]: Taking taylor expansion of 0 in y
0.179 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.179 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.179 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.180 * [taylor]: Taking taylor expansion of 4.0 in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.180 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.180 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.180 * [taylor]: Taking taylor expansion of 4.0 in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.180 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.180 * [taylor]: Taking taylor expansion of y in x
0.180 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.180 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.180 * [taylor]: Taking taylor expansion of 4.0 in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.180 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.180 * [taylor]: Taking taylor expansion of y in x
0.180 * [taylor]: Taking taylor expansion of 1 in y
0.180 * [taylor]: Taking taylor expansion of 0 in y
0.181 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.181 * [taylor]: Taking taylor expansion of 4.0 in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.181 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of 0 in y
0.182 * [taylor]: Taking taylor expansion of 0 in y
0.182 * * * [progress]: simplifying candidates
0.183 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (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)))
0.187 * * [simplify]: iteration  0 :  87  enodes  (cost  1404 )
0.200 * * [simplify]: iteration  1 :  232  enodes  (cost  1375 )
0.251 * * [simplify]: iteration  2 :  893  enodes  (cost  1233 )
0.454 * * [simplify]: iteration  3 :  3253  enodes  (cost  1226 )
1.025 * * [simplify]: iteration  done :  5000  enodes  (cost  1226 )
1.026 * [simplify]: Simplified to:
   (log (/ (- (* x x) (* (* y 4.0) y)) (+ (* 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))))
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 3)
  (* (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))))
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 3)
  (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))))
  (- (* 4.0 (pow y 2)) (* x x))
  (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))))
  (/ (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)))
  (/ (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
  (/ (- (* 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))))
  (- (pow x 2) (* (* y 4.0) y))
  (/ (+ (* 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)))
  (/ (- (pow x 2) (* (* y 4.0) y)) (+ (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ (- (pow x 2) (* (* y 4.0) y)) (- (pow x 4) (* (* (* y 4.0) 4.0) (pow y 3))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (pow x 4) (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (exp (- (* x x) (* (* 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)))
  (pow (- (pow x 2) (* 4.0 (pow y 2))) 3)
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (- (pow x 6) (pow (* (* y 4.0) y) 3))
  (+ (pow x 4) (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)))
  (neg (* 4.0 (pow y 2)))
  (- (pow x 4) (* (* (* y 4.0) 4.0) (pow y 3)))
  (+ (* (* y 4.0) y) (* x x))
  (neg (* 4.0 (pow y 2)))
  (exp (+ (* x x) (* (* 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)))
  (pow (+ (pow x 2) (* 4.0 (pow y 2))) 3)
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (+ (pow x 6) (pow (* (* y 4.0) y) 3))
  (+ (pow x 4) (* (* (* y 4.0) y) (- (* (* y 4.0) y) (* x x))))
  (- (pow x 4) (* (* (* y 4.0) 4.0) (pow y 3)))
  (- (pow x 2) (* (* y 4.0) y))
  -1.0
  1
  1
  (- (pow x 2) (* (* y 4.0) y))
  (- (pow x 2) (* (* y 4.0) y))
  (- (pow x 2) (* (* y 4.0) y))
  (+ (* (* y 4.0) y) (* x x))
  (+ (* (* y 4.0) y) (* x x))
  (+ (* (* y 4.0) y) (* x x))
1.026 * * * [progress]: adding candidates to table
1.132 * * [progress]: iteration 2 / 4
1.132 * * * [progress]: picking best candidate
1.142 * * * * [pick]: Picked  #<alt (λ (x y) -1.0)>
1.142 * * * [progress]: localizing error
1.143 * * * [progress]: generating rewritten candidates
1.143 * * * [progress]: generating series expansions
1.143 * * * [progress]: simplifying candidates
1.143 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.144 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.144 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.144 * [simplify]: Simplified to:
   
1.144 * * * [progress]: adding candidates to table
1.144 * * [progress]: iteration 3 / 4
1.144 * * * [progress]: picking best candidate
1.154 * * * * [pick]: Picked  #<alt (λ (x 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))))))>
1.154 * * * [progress]: localizing error
1.166 * * * [progress]: generating rewritten candidates
1.167 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 1)
1.176 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1)
1.186 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1)
1.195 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1 1)
1.202 * * * [progress]: generating series expansions
1.202 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 1)
1.203 * [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
1.203 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
1.203 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
1.203 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.203 * [taylor]: Taking taylor expansion of x in y
1.203 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.203 * [taylor]: Taking taylor expansion of 4.0 in y
1.203 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.203 * [taylor]: Taking taylor expansion of y in y
1.203 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
1.203 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.203 * [taylor]: Taking taylor expansion of x in y
1.203 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.203 * [taylor]: Taking taylor expansion of 4.0 in y
1.203 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.203 * [taylor]: Taking taylor expansion of y in y
1.203 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
1.203 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.203 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.203 * [taylor]: Taking taylor expansion of x in x
1.203 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.203 * [taylor]: Taking taylor expansion of 4.0 in x
1.203 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.203 * [taylor]: Taking taylor expansion of y in x
1.203 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
1.203 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.203 * [taylor]: Taking taylor expansion of x in x
1.203 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.203 * [taylor]: Taking taylor expansion of 4.0 in x
1.203 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.203 * [taylor]: Taking taylor expansion of y in x
1.204 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
1.204 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.204 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.204 * [taylor]: Taking taylor expansion of x in x
1.204 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.204 * [taylor]: Taking taylor expansion of 4.0 in x
1.204 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.204 * [taylor]: Taking taylor expansion of y in x
1.204 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
1.204 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.204 * [taylor]: Taking taylor expansion of x in x
1.204 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.204 * [taylor]: Taking taylor expansion of 4.0 in x
1.204 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.204 * [taylor]: Taking taylor expansion of y in x
1.205 * [taylor]: Taking taylor expansion of -1.0 in y
1.205 * [taylor]: Taking taylor expansion of 0 in y
1.206 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
1.206 * [taylor]: Taking taylor expansion of 0.5 in y
1.206 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.206 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.206 * [taylor]: Taking taylor expansion of y in y
1.207 * [taylor]: Taking taylor expansion of 0 in y
1.207 * [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
1.207 * [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
1.207 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.207 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.207 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.207 * [taylor]: Taking taylor expansion of x in y
1.207 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.207 * [taylor]: Taking taylor expansion of 4.0 in y
1.207 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.207 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.207 * [taylor]: Taking taylor expansion of y in y
1.207 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.207 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.207 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.207 * [taylor]: Taking taylor expansion of x in y
1.207 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.207 * [taylor]: Taking taylor expansion of 4.0 in y
1.207 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.207 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.207 * [taylor]: Taking taylor expansion of y in y
1.207 * [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
1.208 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.208 * [taylor]: Taking taylor expansion of 4.0 in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.208 * [taylor]: Taking taylor expansion of y in x
1.208 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.208 * [taylor]: Taking taylor expansion of 4.0 in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.208 * [taylor]: Taking taylor expansion of y in x
1.208 * [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
1.208 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.208 * [taylor]: Taking taylor expansion of 4.0 in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.208 * [taylor]: Taking taylor expansion of y in x
1.208 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.208 * [taylor]: Taking taylor expansion of 4.0 in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.209 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.209 * [taylor]: Taking taylor expansion of y in x
1.209 * [taylor]: Taking taylor expansion of 1 in y
1.209 * [taylor]: Taking taylor expansion of 0 in y
1.210 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
1.210 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
1.210 * [taylor]: Taking taylor expansion of 8.0 in y
1.210 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.210 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.210 * [taylor]: Taking taylor expansion of y in y
1.211 * [taylor]: Taking taylor expansion of 0 in y
1.211 * [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
1.211 * [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
1.211 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.211 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.211 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.211 * [taylor]: Taking taylor expansion of x in y
1.211 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.211 * [taylor]: Taking taylor expansion of 4.0 in y
1.211 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.211 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.211 * [taylor]: Taking taylor expansion of y in y
1.211 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.211 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.211 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.211 * [taylor]: Taking taylor expansion of x in y
1.212 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.212 * [taylor]: Taking taylor expansion of 4.0 in y
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.212 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.212 * [taylor]: Taking taylor expansion of y in y
1.212 * [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
1.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.212 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.212 * [taylor]: Taking taylor expansion of x in x
1.212 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.212 * [taylor]: Taking taylor expansion of 4.0 in x
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.212 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.212 * [taylor]: Taking taylor expansion of y in x
1.212 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.212 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.212 * [taylor]: Taking taylor expansion of x in x
1.212 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.212 * [taylor]: Taking taylor expansion of 4.0 in x
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.212 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.212 * [taylor]: Taking taylor expansion of y in x
1.212 * [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
1.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.212 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.212 * [taylor]: Taking taylor expansion of x in x
1.212 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.212 * [taylor]: Taking taylor expansion of 4.0 in x
1.212 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.212 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.212 * [taylor]: Taking taylor expansion of y in x
1.213 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.213 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.213 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.213 * [taylor]: Taking taylor expansion of x in x
1.213 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.213 * [taylor]: Taking taylor expansion of 4.0 in x
1.213 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.213 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.213 * [taylor]: Taking taylor expansion of y in x
1.213 * [taylor]: Taking taylor expansion of 1 in y
1.213 * [taylor]: Taking taylor expansion of 0 in y
1.214 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
1.214 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
1.214 * [taylor]: Taking taylor expansion of 8.0 in y
1.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.214 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.214 * [taylor]: Taking taylor expansion of y in y
1.215 * [taylor]: Taking taylor expansion of 0 in y
1.215 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1)
1.215 * [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
1.215 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
1.215 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
1.215 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.215 * [taylor]: Taking taylor expansion of x in y
1.215 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.215 * [taylor]: Taking taylor expansion of 4.0 in y
1.215 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.215 * [taylor]: Taking taylor expansion of y in y
1.215 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
1.215 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.215 * [taylor]: Taking taylor expansion of x in y
1.215 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.215 * [taylor]: Taking taylor expansion of 4.0 in y
1.215 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.216 * [taylor]: Taking taylor expansion of y in y
1.216 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
1.216 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.216 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.216 * [taylor]: Taking taylor expansion of x in x
1.216 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.216 * [taylor]: Taking taylor expansion of 4.0 in x
1.216 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.216 * [taylor]: Taking taylor expansion of y in x
1.216 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
1.216 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.216 * [taylor]: Taking taylor expansion of x in x
1.216 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.216 * [taylor]: Taking taylor expansion of 4.0 in x
1.216 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.216 * [taylor]: Taking taylor expansion of y in x
1.216 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
1.217 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.217 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.217 * [taylor]: Taking taylor expansion of x in x
1.217 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.217 * [taylor]: Taking taylor expansion of 4.0 in x
1.217 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.217 * [taylor]: Taking taylor expansion of y in x
1.217 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
1.217 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.217 * [taylor]: Taking taylor expansion of x in x
1.217 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.217 * [taylor]: Taking taylor expansion of 4.0 in x
1.217 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.217 * [taylor]: Taking taylor expansion of y in x
1.217 * [taylor]: Taking taylor expansion of -1.0 in y
1.218 * [taylor]: Taking taylor expansion of 0 in y
1.218 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
1.218 * [taylor]: Taking taylor expansion of 0.5 in y
1.218 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.218 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.218 * [taylor]: Taking taylor expansion of y in y
1.219 * [taylor]: Taking taylor expansion of 0 in y
1.219 * [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
1.219 * [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
1.219 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.219 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.219 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.219 * [taylor]: Taking taylor expansion of x in y
1.220 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.220 * [taylor]: Taking taylor expansion of 4.0 in y
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.220 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.220 * [taylor]: Taking taylor expansion of y in y
1.220 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.220 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.220 * [taylor]: Taking taylor expansion of x in y
1.220 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.220 * [taylor]: Taking taylor expansion of 4.0 in y
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.220 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.220 * [taylor]: Taking taylor expansion of y in y
1.220 * [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
1.220 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.220 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.220 * [taylor]: Taking taylor expansion of x in x
1.220 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.220 * [taylor]: Taking taylor expansion of 4.0 in x
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.220 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.220 * [taylor]: Taking taylor expansion of y in x
1.220 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.220 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.220 * [taylor]: Taking taylor expansion of x in x
1.220 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.220 * [taylor]: Taking taylor expansion of 4.0 in x
1.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.220 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.220 * [taylor]: Taking taylor expansion of y in x
1.221 * [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
1.221 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.221 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.221 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.221 * [taylor]: Taking taylor expansion of x in x
1.221 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.221 * [taylor]: Taking taylor expansion of 4.0 in x
1.221 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.221 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.221 * [taylor]: Taking taylor expansion of y in x
1.221 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.221 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.221 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.221 * [taylor]: Taking taylor expansion of x in x
1.221 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.221 * [taylor]: Taking taylor expansion of 4.0 in x
1.221 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.221 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.221 * [taylor]: Taking taylor expansion of y in x
1.221 * [taylor]: Taking taylor expansion of 1 in y
1.221 * [taylor]: Taking taylor expansion of 0 in y
1.222 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
1.222 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
1.222 * [taylor]: Taking taylor expansion of 8.0 in y
1.222 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.222 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.222 * [taylor]: Taking taylor expansion of y in y
1.223 * [taylor]: Taking taylor expansion of 0 in y
1.224 * [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
1.224 * [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
1.224 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.224 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.224 * [taylor]: Taking taylor expansion of x in y
1.224 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.224 * [taylor]: Taking taylor expansion of 4.0 in y
1.224 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.224 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.224 * [taylor]: Taking taylor expansion of y in y
1.224 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.224 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.224 * [taylor]: Taking taylor expansion of x in y
1.224 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.224 * [taylor]: Taking taylor expansion of 4.0 in y
1.224 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.224 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.224 * [taylor]: Taking taylor expansion of y in y
1.224 * [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
1.224 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.224 * [taylor]: Taking taylor expansion of x in x
1.224 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.224 * [taylor]: Taking taylor expansion of 4.0 in x
1.224 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.224 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.224 * [taylor]: Taking taylor expansion of y in x
1.225 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.225 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.225 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.225 * [taylor]: Taking taylor expansion of x in x
1.225 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.225 * [taylor]: Taking taylor expansion of 4.0 in x
1.225 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.225 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.225 * [taylor]: Taking taylor expansion of y in x
1.225 * [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
1.225 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.225 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.225 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.225 * [taylor]: Taking taylor expansion of x in x
1.225 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.225 * [taylor]: Taking taylor expansion of 4.0 in x
1.225 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.225 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.225 * [taylor]: Taking taylor expansion of y in x
1.225 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.225 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.225 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.225 * [taylor]: Taking taylor expansion of x in x
1.225 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.225 * [taylor]: Taking taylor expansion of 4.0 in x
1.225 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.225 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.225 * [taylor]: Taking taylor expansion of y in x
1.225 * [taylor]: Taking taylor expansion of 1 in y
1.226 * [taylor]: Taking taylor expansion of 0 in y
1.226 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
1.226 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
1.226 * [taylor]: Taking taylor expansion of 8.0 in y
1.226 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.226 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.226 * [taylor]: Taking taylor expansion of y in y
1.228 * [taylor]: Taking taylor expansion of 0 in y
1.228 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1)
1.228 * [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
1.228 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
1.228 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
1.228 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.228 * [taylor]: Taking taylor expansion of x in y
1.228 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.228 * [taylor]: Taking taylor expansion of 4.0 in y
1.228 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.228 * [taylor]: Taking taylor expansion of y in y
1.228 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
1.228 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.228 * [taylor]: Taking taylor expansion of x in y
1.228 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.228 * [taylor]: Taking taylor expansion of 4.0 in y
1.228 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.228 * [taylor]: Taking taylor expansion of y in y
1.228 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
1.228 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.228 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.228 * [taylor]: Taking taylor expansion of x in x
1.228 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.228 * [taylor]: Taking taylor expansion of 4.0 in x
1.228 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.228 * [taylor]: Taking taylor expansion of y in x
1.228 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
1.228 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.228 * [taylor]: Taking taylor expansion of x in x
1.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.229 * [taylor]: Taking taylor expansion of 4.0 in x
1.229 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.229 * [taylor]: Taking taylor expansion of y in x
1.229 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
1.229 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.229 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.229 * [taylor]: Taking taylor expansion of x in x
1.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.229 * [taylor]: Taking taylor expansion of 4.0 in x
1.229 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.229 * [taylor]: Taking taylor expansion of y in x
1.229 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
1.229 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.229 * [taylor]: Taking taylor expansion of x in x
1.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.229 * [taylor]: Taking taylor expansion of 4.0 in x
1.229 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.229 * [taylor]: Taking taylor expansion of y in x
1.230 * [taylor]: Taking taylor expansion of -1.0 in y
1.230 * [taylor]: Taking taylor expansion of 0 in y
1.231 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
1.231 * [taylor]: Taking taylor expansion of 0.5 in y
1.231 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.231 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.231 * [taylor]: Taking taylor expansion of y in y
1.232 * [taylor]: Taking taylor expansion of 0 in y
1.232 * [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
1.232 * [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
1.232 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.232 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.232 * [taylor]: Taking taylor expansion of x in y
1.232 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.232 * [taylor]: Taking taylor expansion of 4.0 in y
1.232 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.232 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.232 * [taylor]: Taking taylor expansion of y in y
1.232 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.232 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.232 * [taylor]: Taking taylor expansion of x in y
1.232 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.232 * [taylor]: Taking taylor expansion of 4.0 in y
1.232 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.232 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.232 * [taylor]: Taking taylor expansion of y in y
1.233 * [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
1.233 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.233 * [taylor]: Taking taylor expansion of x in x
1.233 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.233 * [taylor]: Taking taylor expansion of 4.0 in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.233 * [taylor]: Taking taylor expansion of y in x
1.233 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.233 * [taylor]: Taking taylor expansion of x in x
1.233 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.233 * [taylor]: Taking taylor expansion of 4.0 in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.233 * [taylor]: Taking taylor expansion of y in x
1.233 * [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
1.233 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.233 * [taylor]: Taking taylor expansion of x in x
1.233 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.233 * [taylor]: Taking taylor expansion of 4.0 in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.233 * [taylor]: Taking taylor expansion of y in x
1.233 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.233 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.233 * [taylor]: Taking taylor expansion of x in x
1.233 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.234 * [taylor]: Taking taylor expansion of 4.0 in x
1.234 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.234 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.234 * [taylor]: Taking taylor expansion of y in x
1.234 * [taylor]: Taking taylor expansion of 1 in y
1.234 * [taylor]: Taking taylor expansion of 0 in y
1.235 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
1.235 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
1.235 * [taylor]: Taking taylor expansion of 8.0 in y
1.235 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.235 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.235 * [taylor]: Taking taylor expansion of y in y
1.236 * [taylor]: Taking taylor expansion of 0 in y
1.236 * [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
1.236 * [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
1.236 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.236 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.236 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.236 * [taylor]: Taking taylor expansion of x in y
1.236 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.236 * [taylor]: Taking taylor expansion of 4.0 in y
1.236 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.236 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.236 * [taylor]: Taking taylor expansion of y in y
1.236 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.236 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.236 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.237 * [taylor]: Taking taylor expansion of x in y
1.237 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.237 * [taylor]: Taking taylor expansion of 4.0 in y
1.237 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.237 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.237 * [taylor]: Taking taylor expansion of y in y
1.237 * [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
1.237 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.237 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.237 * [taylor]: Taking taylor expansion of x in x
1.237 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.237 * [taylor]: Taking taylor expansion of 4.0 in x
1.237 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.237 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.237 * [taylor]: Taking taylor expansion of y in x
1.237 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.237 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.237 * [taylor]: Taking taylor expansion of x in x
1.237 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.237 * [taylor]: Taking taylor expansion of 4.0 in x
1.237 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.237 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.237 * [taylor]: Taking taylor expansion of y in x
1.237 * [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
1.237 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.237 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.237 * [taylor]: Taking taylor expansion of x in x
1.237 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.238 * [taylor]: Taking taylor expansion of 4.0 in x
1.238 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.238 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.238 * [taylor]: Taking taylor expansion of y in x
1.238 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.238 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.238 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.238 * [taylor]: Taking taylor expansion of x in x
1.238 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.238 * [taylor]: Taking taylor expansion of 4.0 in x
1.238 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.238 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.238 * [taylor]: Taking taylor expansion of y in x
1.238 * [taylor]: Taking taylor expansion of 1 in y
1.238 * [taylor]: Taking taylor expansion of 0 in y
1.239 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
1.239 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
1.239 * [taylor]: Taking taylor expansion of 8.0 in y
1.239 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.239 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.239 * [taylor]: Taking taylor expansion of y in y
1.240 * [taylor]: Taking taylor expansion of 0 in y
1.240 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1 1)
1.240 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
1.240 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
1.240 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.240 * [taylor]: Taking taylor expansion of x in y
1.240 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.240 * [taylor]: Taking taylor expansion of 4.0 in y
1.240 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.240 * [taylor]: Taking taylor expansion of y in y
1.240 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.240 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.240 * [taylor]: Taking taylor expansion of x in x
1.240 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.240 * [taylor]: Taking taylor expansion of 4.0 in x
1.240 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.240 * [taylor]: Taking taylor expansion of y in x
1.241 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
1.241 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.241 * [taylor]: Taking taylor expansion of x in x
1.241 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
1.241 * [taylor]: Taking taylor expansion of 4.0 in x
1.241 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.241 * [taylor]: Taking taylor expansion of y in x
1.241 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
1.241 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
1.241 * [taylor]: Taking taylor expansion of 4.0 in y
1.241 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.241 * [taylor]: Taking taylor expansion of y in y
1.241 * [taylor]: Taking taylor expansion of 0 in y
1.241 * [taylor]: Taking taylor expansion of 1 in y
1.242 * [taylor]: Taking taylor expansion of 0 in y
1.242 * [taylor]: Taking taylor expansion of 0 in y
1.242 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
1.242 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.242 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.242 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.242 * [taylor]: Taking taylor expansion of x in y
1.243 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.243 * [taylor]: Taking taylor expansion of 4.0 in y
1.243 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.243 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.243 * [taylor]: Taking taylor expansion of y in y
1.243 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.243 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.243 * [taylor]: Taking taylor expansion of x in x
1.243 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.243 * [taylor]: Taking taylor expansion of 4.0 in x
1.243 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.243 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.243 * [taylor]: Taking taylor expansion of y in x
1.243 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.243 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.243 * [taylor]: Taking taylor expansion of x in x
1.243 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.243 * [taylor]: Taking taylor expansion of 4.0 in x
1.243 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.243 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.243 * [taylor]: Taking taylor expansion of y in x
1.243 * [taylor]: Taking taylor expansion of 1 in y
1.243 * [taylor]: Taking taylor expansion of 0 in y
1.244 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
1.244 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.244 * [taylor]: Taking taylor expansion of 4.0 in y
1.244 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.244 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.244 * [taylor]: Taking taylor expansion of y in y
1.244 * [taylor]: Taking taylor expansion of 0 in y
1.245 * [taylor]: Taking taylor expansion of 0 in y
1.245 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
1.245 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
1.245 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.245 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.245 * [taylor]: Taking taylor expansion of x in y
1.245 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.245 * [taylor]: Taking taylor expansion of 4.0 in y
1.245 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.246 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.246 * [taylor]: Taking taylor expansion of y in y
1.246 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.246 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.246 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.246 * [taylor]: Taking taylor expansion of x in x
1.246 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.246 * [taylor]: Taking taylor expansion of 4.0 in x
1.246 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.246 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.246 * [taylor]: Taking taylor expansion of y in x
1.246 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
1.246 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.246 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.246 * [taylor]: Taking taylor expansion of x in x
1.246 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
1.246 * [taylor]: Taking taylor expansion of 4.0 in x
1.246 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.246 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.246 * [taylor]: Taking taylor expansion of y in x
1.246 * [taylor]: Taking taylor expansion of 1 in y
1.246 * [taylor]: Taking taylor expansion of 0 in y
1.247 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
1.247 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
1.247 * [taylor]: Taking taylor expansion of 4.0 in y
1.247 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.247 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.247 * [taylor]: Taking taylor expansion of y in y
1.247 * [taylor]: Taking taylor expansion of 0 in y
1.248 * [taylor]: Taking taylor expansion of 0 in y
1.248 * * * [progress]: simplifying candidates
1.250 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (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))))
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  1
  1
  -1.0
  1
  1
  -1.0
  1
  1
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1.258 * * [simplify]: iteration  0 :  82  enodes  (cost  3148 )
1.271 * * [simplify]: iteration  1 :  219  enodes  (cost  3096 )
1.320 * * [simplify]: iteration  2 :  848  enodes  (cost  2810 )
1.506 * * [simplify]: iteration  3 :  3051  enodes  (cost  2802 )
2.053 * * [simplify]: iteration  done :  5000  enodes  (cost  2799 )
2.054 * [simplify]: Simplified to:
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  (/ (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
  (/ (- (* 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))))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ (+ (* 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)))
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (- (pow x 4) (* (* 4.0 (* y 4.0)) (pow y 3))))
  (* (+ (pow x 4) (* (+ (* 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)))
  (log (/ (- (* x x) (* (* y 4.0) y)) (+ (* 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))))
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 3)
  (* (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))))
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 3)
  (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))))
  (- (* y (* y 4.0)) (* x x))
  (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))))
  (/ (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)))
  (/ (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
  (/ (- (* 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))))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ (+ (* 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)))
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (- (pow x 4) (* (* 4.0 (* y 4.0)) (pow y 3))))
  (* (+ (pow x 4) (* (+ (* 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) (* (* 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)))
  (pow (- (pow x 2) (* (* y 4.0) y)) 3)
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (- (pow x 6) (pow (* (* y 4.0) y) 3))
  (+ (pow x 4) (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)))
  (neg (* 4.0 (pow y 2)))
  (- (pow x 4) (* (* 4.0 (* y 4.0)) (pow y 3)))
  (+ (* x x) (* (* y 4.0) y))
  (neg (* 4.0 (pow y 2)))
  -1.0
  1
  1
  -1.0
  1
  1
  -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)))
2.055 * * * [progress]: adding candidates to table
2.409 * * [progress]: iteration 4 / 4
2.409 * * * [progress]: picking best candidate
2.414 * * * * [pick]: Picked  #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>
2.414 * * * [progress]: localizing error
2.424 * * * [progress]: generating rewritten candidates
2.424 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
2.434 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 2)
2.438 * * * * [progress]: [ 3 / 4 ] rewriting at (2)
2.448 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
2.458 * * * [progress]: generating series expansions
2.458 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
2.458 * [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
2.458 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in y
2.458 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.458 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.458 * [taylor]: Taking taylor expansion of x in y
2.458 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.458 * [taylor]: Taking taylor expansion of 4.0 in y
2.458 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.458 * [taylor]: Taking taylor expansion of y in y
2.458 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.458 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.458 * [taylor]: Taking taylor expansion of x in y
2.458 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.458 * [taylor]: Taking taylor expansion of 4.0 in y
2.458 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.458 * [taylor]: Taking taylor expansion of y in y
2.459 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in x
2.459 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.459 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.459 * [taylor]: Taking taylor expansion of x in x
2.459 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.459 * [taylor]: Taking taylor expansion of 4.0 in x
2.459 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.459 * [taylor]: Taking taylor expansion of y in x
2.459 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.459 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.459 * [taylor]: Taking taylor expansion of x in x
2.459 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.459 * [taylor]: Taking taylor expansion of 4.0 in x
2.459 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.459 * [taylor]: Taking taylor expansion of y in x
2.460 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in x
2.460 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.460 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.460 * [taylor]: Taking taylor expansion of x in x
2.460 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.460 * [taylor]: Taking taylor expansion of 4.0 in x
2.460 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.460 * [taylor]: Taking taylor expansion of y in x
2.460 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.460 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.460 * [taylor]: Taking taylor expansion of x in x
2.460 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.460 * [taylor]: Taking taylor expansion of 4.0 in x
2.460 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.460 * [taylor]: Taking taylor expansion of y in x
2.460 * [taylor]: Taking taylor expansion of -1.0 in y
2.461 * [taylor]: Taking taylor expansion of 0 in y
2.461 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 (pow y 2)))) in y
2.461 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
2.461 * [taylor]: Taking taylor expansion of 0.5 in y
2.462 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.462 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.462 * [taylor]: Taking taylor expansion of y in y
2.463 * [taylor]: Taking taylor expansion of 0 in y
2.463 * [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
2.463 * [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
2.463 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.463 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.463 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.463 * [taylor]: Taking taylor expansion of x in y
2.463 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.463 * [taylor]: Taking taylor expansion of 4.0 in y
2.463 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.463 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.463 * [taylor]: Taking taylor expansion of y in y
2.463 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.463 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.463 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.463 * [taylor]: Taking taylor expansion of x in y
2.463 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.463 * [taylor]: Taking taylor expansion of 4.0 in y
2.463 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.463 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.463 * [taylor]: Taking taylor expansion of y in y
2.463 * [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
2.463 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.463 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.463 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.464 * [taylor]: Taking taylor expansion of x in x
2.464 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.464 * [taylor]: Taking taylor expansion of 4.0 in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.464 * [taylor]: Taking taylor expansion of y in x
2.464 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.464 * [taylor]: Taking taylor expansion of x in x
2.464 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.464 * [taylor]: Taking taylor expansion of 4.0 in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.464 * [taylor]: Taking taylor expansion of y in x
2.464 * [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
2.464 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.464 * [taylor]: Taking taylor expansion of x in x
2.464 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.464 * [taylor]: Taking taylor expansion of 4.0 in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.464 * [taylor]: Taking taylor expansion of y in x
2.464 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.464 * [taylor]: Taking taylor expansion of x in x
2.464 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.464 * [taylor]: Taking taylor expansion of 4.0 in x
2.464 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.464 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.464 * [taylor]: Taking taylor expansion of y in x
2.465 * [taylor]: Taking taylor expansion of 1 in y
2.465 * [taylor]: Taking taylor expansion of 0 in y
2.466 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.466 * [taylor]: Taking taylor expansion of 8.0 in y
2.466 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.466 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.466 * [taylor]: Taking taylor expansion of y in y
2.467 * [taylor]: Taking taylor expansion of 0 in y
2.467 * [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
2.467 * [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
2.467 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.467 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.467 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.467 * [taylor]: Taking taylor expansion of x in y
2.467 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.467 * [taylor]: Taking taylor expansion of 4.0 in y
2.467 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.467 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.467 * [taylor]: Taking taylor expansion of y in y
2.467 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.467 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.467 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.467 * [taylor]: Taking taylor expansion of x in y
2.467 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.467 * [taylor]: Taking taylor expansion of 4.0 in y
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.468 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.468 * [taylor]: Taking taylor expansion of y in y
2.468 * [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
2.468 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.468 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.468 * [taylor]: Taking taylor expansion of x in x
2.468 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.468 * [taylor]: Taking taylor expansion of 4.0 in x
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.468 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.468 * [taylor]: Taking taylor expansion of y in x
2.468 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.468 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.468 * [taylor]: Taking taylor expansion of x in x
2.468 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.468 * [taylor]: Taking taylor expansion of 4.0 in x
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.468 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.468 * [taylor]: Taking taylor expansion of y in x
2.468 * [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
2.468 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.468 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.468 * [taylor]: Taking taylor expansion of x in x
2.468 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.468 * [taylor]: Taking taylor expansion of 4.0 in x
2.468 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.468 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.468 * [taylor]: Taking taylor expansion of y in x
2.469 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.469 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.469 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.469 * [taylor]: Taking taylor expansion of x in x
2.469 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.469 * [taylor]: Taking taylor expansion of 4.0 in x
2.469 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.469 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.469 * [taylor]: Taking taylor expansion of y in x
2.469 * [taylor]: Taking taylor expansion of 1 in y
2.469 * [taylor]: Taking taylor expansion of 0 in y
2.470 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.470 * [taylor]: Taking taylor expansion of 8.0 in y
2.470 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.470 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.470 * [taylor]: Taking taylor expansion of y in y
2.471 * [taylor]: Taking taylor expansion of 0 in y
2.471 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 2)
2.471 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
2.471 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.471 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.471 * [taylor]: Taking taylor expansion of x in y
2.471 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.471 * [taylor]: Taking taylor expansion of 4.0 in y
2.471 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.471 * [taylor]: Taking taylor expansion of y in y
2.471 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.471 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.471 * [taylor]: Taking taylor expansion of x in x
2.471 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.471 * [taylor]: Taking taylor expansion of 4.0 in x
2.471 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.471 * [taylor]: Taking taylor expansion of y in x
2.471 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.471 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.471 * [taylor]: Taking taylor expansion of x in x
2.471 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.471 * [taylor]: Taking taylor expansion of 4.0 in x
2.471 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.471 * [taylor]: Taking taylor expansion of y in x
2.472 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
2.472 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.472 * [taylor]: Taking taylor expansion of 4.0 in y
2.472 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.472 * [taylor]: Taking taylor expansion of y in y
2.472 * [taylor]: Taking taylor expansion of 0 in y
2.472 * [taylor]: Taking taylor expansion of 1 in y
2.472 * [taylor]: Taking taylor expansion of 0 in y
2.473 * [taylor]: Taking taylor expansion of 0 in y
2.473 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.473 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.473 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.473 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.473 * [taylor]: Taking taylor expansion of x in y
2.473 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.473 * [taylor]: Taking taylor expansion of 4.0 in y
2.473 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.473 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.473 * [taylor]: Taking taylor expansion of y in y
2.473 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.473 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.473 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.473 * [taylor]: Taking taylor expansion of x in x
2.473 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.473 * [taylor]: Taking taylor expansion of 4.0 in x
2.473 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.473 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.473 * [taylor]: Taking taylor expansion of y in x
2.473 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.474 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.474 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.474 * [taylor]: Taking taylor expansion of x in x
2.474 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.474 * [taylor]: Taking taylor expansion of 4.0 in x
2.474 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.474 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.474 * [taylor]: Taking taylor expansion of y in x
2.474 * [taylor]: Taking taylor expansion of 1 in y
2.474 * [taylor]: Taking taylor expansion of 0 in y
2.474 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
2.474 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.474 * [taylor]: Taking taylor expansion of 4.0 in y
2.474 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.474 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.474 * [taylor]: Taking taylor expansion of y in y
2.475 * [taylor]: Taking taylor expansion of 0 in y
2.475 * [taylor]: Taking taylor expansion of 0 in y
2.476 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.476 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.476 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.476 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.476 * [taylor]: Taking taylor expansion of x in y
2.476 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.476 * [taylor]: Taking taylor expansion of 4.0 in y
2.476 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.476 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.476 * [taylor]: Taking taylor expansion of y in y
2.476 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.476 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.476 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.476 * [taylor]: Taking taylor expansion of x in x
2.476 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.476 * [taylor]: Taking taylor expansion of 4.0 in x
2.476 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.476 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.476 * [taylor]: Taking taylor expansion of y in x
2.476 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.476 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.476 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.476 * [taylor]: Taking taylor expansion of x in x
2.476 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.476 * [taylor]: Taking taylor expansion of 4.0 in x
2.476 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.476 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.476 * [taylor]: Taking taylor expansion of y in x
2.477 * [taylor]: Taking taylor expansion of 1 in y
2.477 * [taylor]: Taking taylor expansion of 0 in y
2.477 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
2.477 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.477 * [taylor]: Taking taylor expansion of 4.0 in y
2.477 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.477 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.477 * [taylor]: Taking taylor expansion of y in y
2.478 * [taylor]: Taking taylor expansion of 0 in y
2.478 * [taylor]: Taking taylor expansion of 0 in y
2.478 * * * * [progress]: [ 3 / 4 ] generating series at (2)
2.479 * [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
2.479 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.479 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.479 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.479 * [taylor]: Taking taylor expansion of x in y
2.479 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.479 * [taylor]: Taking taylor expansion of 4.0 in y
2.479 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.479 * [taylor]: Taking taylor expansion of y in y
2.479 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.479 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.479 * [taylor]: Taking taylor expansion of x in y
2.479 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.479 * [taylor]: Taking taylor expansion of 4.0 in y
2.479 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.479 * [taylor]: Taking taylor expansion of y in y
2.479 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.479 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.479 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.479 * [taylor]: Taking taylor expansion of x in x
2.479 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.479 * [taylor]: Taking taylor expansion of 4.0 in x
2.479 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.479 * [taylor]: Taking taylor expansion of y in x
2.479 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.479 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.479 * [taylor]: Taking taylor expansion of x in x
2.479 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.479 * [taylor]: Taking taylor expansion of 4.0 in x
2.479 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.479 * [taylor]: Taking taylor expansion of y in x
2.480 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.480 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.480 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.480 * [taylor]: Taking taylor expansion of x in x
2.480 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.480 * [taylor]: Taking taylor expansion of 4.0 in x
2.480 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.480 * [taylor]: Taking taylor expansion of y in x
2.480 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.480 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.480 * [taylor]: Taking taylor expansion of x in x
2.480 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.480 * [taylor]: Taking taylor expansion of 4.0 in x
2.480 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.480 * [taylor]: Taking taylor expansion of y in x
2.481 * [taylor]: Taking taylor expansion of -1.0 in y
2.481 * [taylor]: Taking taylor expansion of 0 in y
2.482 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
2.482 * [taylor]: Taking taylor expansion of 0.5 in y
2.482 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.482 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.482 * [taylor]: Taking taylor expansion of y in y
2.483 * [taylor]: Taking taylor expansion of 0 in y
2.483 * [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
2.483 * [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
2.483 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.483 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.483 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.483 * [taylor]: Taking taylor expansion of x in y
2.483 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.483 * [taylor]: Taking taylor expansion of 4.0 in y
2.483 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.483 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.483 * [taylor]: Taking taylor expansion of y in y
2.483 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.483 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.483 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.483 * [taylor]: Taking taylor expansion of x in y
2.483 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.483 * [taylor]: Taking taylor expansion of 4.0 in y
2.483 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.483 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.483 * [taylor]: Taking taylor expansion of y in y
2.483 * [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
2.483 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.484 * [taylor]: Taking taylor expansion of x in x
2.484 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.484 * [taylor]: Taking taylor expansion of 4.0 in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.484 * [taylor]: Taking taylor expansion of y in x
2.484 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.484 * [taylor]: Taking taylor expansion of x in x
2.484 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.484 * [taylor]: Taking taylor expansion of 4.0 in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.484 * [taylor]: Taking taylor expansion of y in x
2.484 * [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
2.484 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.484 * [taylor]: Taking taylor expansion of x in x
2.484 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.484 * [taylor]: Taking taylor expansion of 4.0 in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.484 * [taylor]: Taking taylor expansion of y in x
2.484 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.484 * [taylor]: Taking taylor expansion of x in x
2.484 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.484 * [taylor]: Taking taylor expansion of 4.0 in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.484 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.485 * [taylor]: Taking taylor expansion of y in x
2.485 * [taylor]: Taking taylor expansion of 1 in y
2.485 * [taylor]: Taking taylor expansion of 0 in y
2.486 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.486 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.486 * [taylor]: Taking taylor expansion of 8.0 in y
2.486 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.486 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.486 * [taylor]: Taking taylor expansion of y in y
2.487 * [taylor]: Taking taylor expansion of 0 in y
2.487 * [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
2.487 * [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
2.487 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.487 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.487 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.487 * [taylor]: Taking taylor expansion of x in y
2.488 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.488 * [taylor]: Taking taylor expansion of 4.0 in y
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.488 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.488 * [taylor]: Taking taylor expansion of y in y
2.488 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.488 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.488 * [taylor]: Taking taylor expansion of x in y
2.488 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.488 * [taylor]: Taking taylor expansion of 4.0 in y
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.488 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.488 * [taylor]: Taking taylor expansion of y in y
2.488 * [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
2.488 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.488 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.488 * [taylor]: Taking taylor expansion of x in x
2.488 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.488 * [taylor]: Taking taylor expansion of 4.0 in x
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.488 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.488 * [taylor]: Taking taylor expansion of y in x
2.488 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.488 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.488 * [taylor]: Taking taylor expansion of x in x
2.488 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.488 * [taylor]: Taking taylor expansion of 4.0 in x
2.488 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.488 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.488 * [taylor]: Taking taylor expansion of y in x
2.489 * [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
2.489 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.489 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.489 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.489 * [taylor]: Taking taylor expansion of x in x
2.489 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.489 * [taylor]: Taking taylor expansion of 4.0 in x
2.489 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.489 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.489 * [taylor]: Taking taylor expansion of y in x
2.489 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.489 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.489 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.489 * [taylor]: Taking taylor expansion of x in x
2.489 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.489 * [taylor]: Taking taylor expansion of 4.0 in x
2.489 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.489 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.489 * [taylor]: Taking taylor expansion of y in x
2.489 * [taylor]: Taking taylor expansion of 1 in y
2.489 * [taylor]: Taking taylor expansion of 0 in y
2.493 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.493 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.494 * [taylor]: Taking taylor expansion of 8.0 in y
2.494 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.494 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.494 * [taylor]: Taking taylor expansion of y in y
2.495 * [taylor]: Taking taylor expansion of 0 in y
2.495 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
2.495 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
2.495 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.495 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.495 * [taylor]: Taking taylor expansion of x in y
2.495 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.495 * [taylor]: Taking taylor expansion of 4.0 in y
2.495 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.495 * [taylor]: Taking taylor expansion of y in y
2.495 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.495 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.495 * [taylor]: Taking taylor expansion of x in x
2.495 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.495 * [taylor]: Taking taylor expansion of 4.0 in x
2.495 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.495 * [taylor]: Taking taylor expansion of y in x
2.495 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.495 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.495 * [taylor]: Taking taylor expansion of x in x
2.495 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.495 * [taylor]: Taking taylor expansion of 4.0 in x
2.495 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.495 * [taylor]: Taking taylor expansion of y in x
2.496 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.496 * [taylor]: Taking taylor expansion of 4.0 in y
2.496 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.496 * [taylor]: Taking taylor expansion of y in y
2.496 * [taylor]: Taking taylor expansion of 0 in y
2.496 * [taylor]: Taking taylor expansion of 1 in y
2.496 * [taylor]: Taking taylor expansion of 0 in y
2.497 * [taylor]: Taking taylor expansion of 0 in y
2.497 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.497 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.497 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.497 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.497 * [taylor]: Taking taylor expansion of x in y
2.497 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.497 * [taylor]: Taking taylor expansion of 4.0 in y
2.497 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.497 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.497 * [taylor]: Taking taylor expansion of y in y
2.497 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.497 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.497 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.497 * [taylor]: Taking taylor expansion of x in x
2.497 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.497 * [taylor]: Taking taylor expansion of 4.0 in x
2.497 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.497 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.497 * [taylor]: Taking taylor expansion of y in x
2.497 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.497 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.497 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.497 * [taylor]: Taking taylor expansion of x in x
2.498 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.498 * [taylor]: Taking taylor expansion of 4.0 in x
2.498 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.498 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.498 * [taylor]: Taking taylor expansion of y in x
2.498 * [taylor]: Taking taylor expansion of 1 in y
2.498 * [taylor]: Taking taylor expansion of 0 in y
2.498 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.498 * [taylor]: Taking taylor expansion of 4.0 in y
2.498 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.498 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.498 * [taylor]: Taking taylor expansion of y in y
2.499 * [taylor]: Taking taylor expansion of 0 in y
2.499 * [taylor]: Taking taylor expansion of 0 in y
2.500 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.500 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.500 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.500 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.500 * [taylor]: Taking taylor expansion of x in y
2.500 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.500 * [taylor]: Taking taylor expansion of 4.0 in y
2.500 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.500 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.500 * [taylor]: Taking taylor expansion of y in y
2.500 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.500 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.500 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.500 * [taylor]: Taking taylor expansion of x in x
2.500 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.500 * [taylor]: Taking taylor expansion of 4.0 in x
2.500 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.500 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.500 * [taylor]: Taking taylor expansion of y in x
2.500 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.500 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.500 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.500 * [taylor]: Taking taylor expansion of x in x
2.500 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.500 * [taylor]: Taking taylor expansion of 4.0 in x
2.500 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.500 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.500 * [taylor]: Taking taylor expansion of y in x
2.500 * [taylor]: Taking taylor expansion of 1 in y
2.500 * [taylor]: Taking taylor expansion of 0 in y
2.501 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.501 * [taylor]: Taking taylor expansion of 4.0 in y
2.501 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.501 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.501 * [taylor]: Taking taylor expansion of y in y
2.501 * [taylor]: Taking taylor expansion of 0 in y
2.502 * [taylor]: Taking taylor expansion of 0 in y
2.502 * * * [progress]: simplifying candidates
2.505 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (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)))
  (/ (* (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))
  (neg 1)
  (neg (- (log (+ (* x x) (* (* y 4.0) y))) (log (- (* x x) (* (* y 4.0) y)))))
  (neg (log (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (- 0 (- (log (+ (* x x) (* (* y 4.0) y))) (log (- (* x x) (* (* y 4.0) y)))))
  (- 0 (log (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (- (log 1) (- (log (+ (* x x) (* (* y 4.0) y))) (log (- (* x x) (* (* y 4.0) y)))))
  (- (log 1) (log (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (log (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (exp (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (* (* 1 1) 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)) (- (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y)))))
  (/ (* (* 1 1) 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)))) (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (* (cbrt (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))) (cbrt (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))))
  (cbrt (/ 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)))) (/ 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)))))
  (sqrt (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (sqrt (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (neg 1)
  (neg (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt 1) (cbrt 1)) (* (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 1) (cbrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (cbrt 1) (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (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 1) (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (cbrt 1) (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) 1))
  (/ (cbrt 1) (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ (cbrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (cbrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) 1))
  (/ (cbrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ (cbrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (cbrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt 1) (cbrt 1)) (+ (* x x) (* (* y 4.0) y)))
  (/ (cbrt 1) (/ 1 (- (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (* x x) (* (* y 4.0) y)) (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))))
  (/ (cbrt 1) (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y)))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (* x x) (* (* y 4.0) y)) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))))
  (/ (cbrt 1) (+ (* x x) (* (* y 4.0) y)))
  (/ (sqrt 1) (* (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))))))
  (/ (sqrt 1) (cbrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (* (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 1) (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) 1))
  (/ (sqrt 1) (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
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  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) 1))
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  (/ (sqrt 1) (/ 1 (sqrt (- (* x x) (* (* y 4.0) y)))))
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  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
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  (/ 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)))) (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ 1 (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (- (* x x) (* (* y 4.0) y)))))
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  (/ 1 (/ (cbrt (+ (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
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  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) 1))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))))
  (/ 1 (/ 1 (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ 1 (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ 1 1))
  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ 1 1)
  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
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  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))))
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  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))))
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  (/ 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)))) (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ 1 (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))) 1))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
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  (/ 1 (/ 1 (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ 1 1))
  (/ 1 1)
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))))
  (/ 1 (/ (+ (* 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))) (cbrt 1))
  (/ (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) (sqrt 1))
  (/ (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) 1)
  (/ 1 (+ (* 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))))
  (- (* (* 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)))
  -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)))
2.514 * * [simplify]: iteration  0 :  192  enodes  (cost  4490 )
2.543 * * [simplify]: iteration  1 :  470  enodes  (cost  4272 )
2.646 * * [simplify]: iteration  2 :  1691  enodes  (cost  3827 )
2.922 * * [simplify]: iteration  done :  5000  enodes  (cost  3805 )
2.924 * [simplify]: Simplified to:
   (log (/ (+ (* x x) (* (* y 4.0) y)) (- (* 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))))
  (pow (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) 3)
  (* (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))))
  (pow (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) 3)
  (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)))
  (/ (* (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 (- (pow x 2) (* 4.0 (pow y 2)))))
  (/ (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))))
  (/ (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 (+ (pow x 2) (* 4.0 (pow y 2)))) (sqrt (- (pow x 2) (* 4.0 (pow y 2)))))
  (/ (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))) (sqrt (- (pow x 2) (* 4.0 (pow y 2)))))
  (sqrt (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ (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 (- (pow x 2) (* 4.0 (pow y 2)))))
  (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y))))
  1
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ 1 (- (* x x) (* (* y 4.0) y)))
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ (+ (* 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))))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (/ (- (* 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))))
  (/ (- (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 6) (pow (* (* y 4.0) y) 3)))
  (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0)))
  (* (+ (pow x 4) (* (* (* y 4.0) y) (- (* (* y 4.0) y) (* x x)))) (- (pow x 2) (* 4.0 (pow y 2))))
  (* (- (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (exp (- (* x x) (* (* 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)))
  (pow (- (pow x 2) (* 4.0 (pow y 2))) 3)
  (sqrt (- (pow x 2) (* 4.0 (pow y 2))))
  (sqrt (- (pow x 2) (* 4.0 (pow y 2))))
  (- (pow x 6) (pow (* (* y 4.0) y) 3))
  (+ (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)) (pow x 4))
  (neg (* 4.0 (pow y 2)))
  (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (neg (* 4.0 (pow y 2)))
  -1
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (log (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (exp (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (pow (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) 3)
  (pow (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) 3)
  (* (cbrt (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))) (cbrt (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))))
  (cbrt (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (pow (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) 3)
  (sqrt (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  (sqrt (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))))
  -1
  (neg (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ 1 (* (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))))))
  (/ 1 (cbrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (sqrt (/ (+ (* 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)))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (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))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (cbrt (+ (* 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))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (- (* 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 (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (sqrt (- (pow x 2) (* 4.0 (pow y 2))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (+ (pow x 2) (* 4.0 (pow y 2))))
  1
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  1
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (* (/ 1 (+ (* x x) (* (* y 4.0) y))) (- (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ 1 (+ (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)) (pow x 4)))
  (/ (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0)) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (* (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))))))
  (/ 1 (cbrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (sqrt (/ (+ (* 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)))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (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))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (cbrt (+ (* 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))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (- (* 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 (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (sqrt (- (pow x 2) (* 4.0 (pow y 2))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (+ (pow x 2) (* 4.0 (pow y 2))))
  1
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  1
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (* (/ 1 (+ (* x x) (* (* y 4.0) y))) (- (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ 1 (+ (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)) (pow x 4)))
  (/ (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0)) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (* (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))))))
  (/ 1 (cbrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (sqrt (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))
  (/ 1 (sqrt (/ (+ (* 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)))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (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))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (cbrt (+ (* 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))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (- (* 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 (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (sqrt (- (pow x 2) (* 4.0 (pow y 2))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (+ (pow x 2) (* 4.0 (pow y 2))))
  1
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  1
  (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (* (/ 1 (+ (* x x) (* (* y 4.0) y))) (- (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ 1 (+ (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)) (pow x 4)))
  (/ (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0)) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ 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))))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ 1 (* (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))))))
  (/ 1 (sqrt (/ (+ (* 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)))) (* (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))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (/ 1 (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 (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ (sqrt (- (pow x 2) (* 4.0 (pow y 2)))) (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (/ 1 (sqrt (+ (pow x 2) (* 4.0 (pow y 2)))))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (sqrt (- (pow x 2) (* 4.0 (pow y 2))))
  1
  1
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (* (/ 1 (+ (* x x) (* (* y 4.0) y))) (- (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0)) (+ (pow x 2) (* 4.0 (pow y 2))))
  (/ (+ (* 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)))
  (/ 1 (+ (pow x 2) (* 4.0 (pow y 2))))
  (exp (+ (* x x) (* (* 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)))
  (pow (+ (pow x 2) (* 4.0 (pow y 2))) 3)
  (sqrt (+ (pow x 2) (* 4.0 (pow y 2))))
  (sqrt (+ (pow x 2) (* 4.0 (pow y 2))))
  (+ (pow x 6) (pow (* (* y 4.0) y) 3))
  (+ (pow x 4) (* (* (* y 4.0) y) (- (* (* y 4.0) y) (* x x))))
  (- (pow x 4) (* (* (pow y 3) (* y 4.0)) 4.0))
  (- (pow x 2) (* 4.0 (pow y 2)))
  -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)))
  -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)))
2.925 * * * [progress]: adding candidates to table
3.141 * [progress]: [Phase 3 of 3] Extracting.
3.141 * * [regime]: Finding splitpoints for: (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.142 * * * [regime-changes]: Trying 5 branch expressions: ((* (* y 4.0) y) (* x x) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) y x)
3.142 * * * * [regimes]: Trying to branch on (* (* y 4.0) y) from (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.189 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.234 * * * * [regimes]: Trying to branch on (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) from (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.272 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.321 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.384 * * * [regime]: Found split indices: #<option (#s(si 3 65) #s(si 0 148) #s(si 2 255))>
3.384 * [binary-search]: Improving bounds with binary search for (* (* y 4.0) y) and (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.407 * [regimes]: Found splitpoints: (#s(sp 3 (* (* y 4.0) y) 5.8839237203771254e-260) #s(sp 0 (* (* y 4.0) y) 5.497534214446919e+171) #s(sp 2 (* (* y 4.0) y) +nan.0)) , with alts (#<alt (λ (x 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))))))> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
3.408 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= (* (* y 4.0) y) 5.8839237203771254e-260) 1 (if (<= (* (* y 4.0) y) 5.497534214446919e+171) (* (* (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))))) -1.0))
3.408 * * [simplify]: iteration  0 :  20  enodes  (cost  80 )
3.409 * * [simplify]: iteration  1 :  26  enodes  (cost  80 )
3.410 * * [simplify]: iteration  done :  26  enodes  (cost  80 )
3.410 * [simplify]: Simplified to:
   (if (<= (* (* y 4.0) y) 5.8839237203771254e-260) 1 (if (<= (* (* y 4.0) y) 5.497534214446919e+171) (* (* (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))))) -1.0))
4.526 * [regime-testing]: End program error score: 12.25042049510635
4.646 * [regime-testing]: Target error score: 31.45080938491348