11.379 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.023 * * [simplify]: iteration  0 :  9  enodes  (cost  19 )
0.024 * * [simplify]: iteration  1 :  17  enodes  (cost  19 )
0.027 * * [simplify]: iteration  2 :  35  enodes  (cost  19 )
0.032 * * [simplify]: iteration  3 :  70  enodes  (cost  19 )
0.044 * * [simplify]: iteration  4 :  118  enodes  (cost  19 )
0.071 * * [simplify]: iteration  5 :  166  enodes  (cost  19 )
0.104 * * [simplify]: iteration  6 :  186  enodes  (cost  19 )
0.141 * * [simplify]: iteration  7 :  187  enodes  (cost  19 )
0.178 * * [simplify]: iteration  done :  187  enodes  (cost  19 )
0.178 * [simplify]: Simplified to:
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.178 * * [progress]: iteration 1 / 4
0.178 * * * [progress]: picking best candidate
0.181 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.181 * * * [progress]: localizing error
0.189 * * * [progress]: generating rewritten candidates
0.189 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.198 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.202 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.208 * * * [progress]: generating series expansions
0.208 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.208 * [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
0.208 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.208 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.208 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.208 * [taylor]: Taking taylor expansion of x in y
0.208 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.208 * [taylor]: Taking taylor expansion of 4.0 in y
0.208 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.208 * [taylor]: Taking taylor expansion of y in y
0.208 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.208 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.208 * [taylor]: Taking taylor expansion of x in y
0.208 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.208 * [taylor]: Taking taylor expansion of 4.0 in y
0.208 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.209 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.209 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.209 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.209 * [taylor]: Taking taylor expansion of 4.0 in x
0.209 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.209 * [taylor]: Taking taylor expansion of y in x
0.209 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.209 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.209 * [taylor]: Taking taylor expansion of 4.0 in x
0.209 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.209 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.210 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.210 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.210 * [taylor]: Taking taylor expansion of 4.0 in x
0.210 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.210 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.210 * [taylor]: Taking taylor expansion of 4.0 in x
0.210 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of -1.0 in y
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.211 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.211 * [taylor]: Taking taylor expansion of 0.5 in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.211 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.211 * [taylor]: Taking taylor expansion of y in y
0.212 * [taylor]: Taking taylor expansion of 0 in y
0.213 * [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
0.213 * [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
0.213 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.213 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.213 * [taylor]: Taking taylor expansion of 4.0 in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.213 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.213 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.213 * [taylor]: Taking taylor expansion of 4.0 in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.213 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [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
0.213 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.213 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.214 * [taylor]: Taking taylor expansion of 4.0 in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.214 * [taylor]: Taking taylor expansion of 4.0 in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [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
0.214 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.214 * [taylor]: Taking taylor expansion of 4.0 in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.214 * [taylor]: Taking taylor expansion of 4.0 in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.214 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.215 * [taylor]: Taking taylor expansion of 1 in y
0.215 * [taylor]: Taking taylor expansion of 0 in y
0.216 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.216 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.216 * [taylor]: Taking taylor expansion of 8.0 in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.216 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of 0 in y
0.217 * [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
0.217 * [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
0.217 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.217 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.217 * [taylor]: Taking taylor expansion of x in y
0.217 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.217 * [taylor]: Taking taylor expansion of 4.0 in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.217 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.217 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.218 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.218 * [taylor]: Taking taylor expansion of x in y
0.218 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.218 * [taylor]: Taking taylor expansion of 4.0 in y
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.218 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.218 * [taylor]: Taking taylor expansion of y in y
0.218 * [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
0.218 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.218 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.218 * [taylor]: Taking taylor expansion of 4.0 in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.218 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.218 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.218 * [taylor]: Taking taylor expansion of 4.0 in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.218 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [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
0.218 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.218 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.219 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.219 * [taylor]: Taking taylor expansion of 4.0 in x
0.219 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.219 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.219 * [taylor]: Taking taylor expansion of y in x
0.219 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.219 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.219 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.219 * [taylor]: Taking taylor expansion of x in x
0.219 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.219 * [taylor]: Taking taylor expansion of 4.0 in x
0.219 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.219 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.219 * [taylor]: Taking taylor expansion of y in x
0.219 * [taylor]: Taking taylor expansion of 1 in y
0.219 * [taylor]: Taking taylor expansion of 0 in y
0.220 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.220 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.220 * [taylor]: Taking taylor expansion of 8.0 in y
0.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.220 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.220 * [taylor]: Taking taylor expansion of y in y
0.221 * [taylor]: Taking taylor expansion of 0 in y
0.221 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.221 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.221 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.221 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.221 * [taylor]: Taking taylor expansion of x in y
0.221 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.221 * [taylor]: Taking taylor expansion of 4.0 in y
0.221 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.222 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.222 * [taylor]: Taking taylor expansion of 4.0 in x
0.222 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.222 * [taylor]: Taking taylor expansion of y in x
0.222 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.222 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.222 * [taylor]: Taking taylor expansion of 4.0 in x
0.222 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.222 * [taylor]: Taking taylor expansion of y in x
0.222 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
0.222 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.222 * [taylor]: Taking taylor expansion of 4.0 in y
0.222 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of 0 in y
0.222 * [taylor]: Taking taylor expansion of 1 in y
0.223 * [taylor]: Taking taylor expansion of 0 in y
0.223 * [taylor]: Taking taylor expansion of 0 in y
0.223 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.223 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.223 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.223 * [taylor]: Taking taylor expansion of x in y
0.223 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.223 * [taylor]: Taking taylor expansion of 4.0 in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.223 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.224 * [taylor]: Taking taylor expansion of 4.0 in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.224 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.224 * [taylor]: Taking taylor expansion of y in x
0.224 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.224 * [taylor]: Taking taylor expansion of 4.0 in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.224 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.224 * [taylor]: Taking taylor expansion of y in x
0.224 * [taylor]: Taking taylor expansion of 1 in y
0.224 * [taylor]: Taking taylor expansion of 0 in y
0.225 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.225 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.225 * [taylor]: Taking taylor expansion of 4.0 in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.225 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.225 * [taylor]: Taking taylor expansion of y in y
0.225 * [taylor]: Taking taylor expansion of 0 in y
0.226 * [taylor]: Taking taylor expansion of 0 in y
0.226 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.226 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.226 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.226 * [taylor]: Taking taylor expansion of x in y
0.226 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.226 * [taylor]: Taking taylor expansion of 4.0 in y
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.226 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.226 * [taylor]: Taking taylor expansion of y in y
0.226 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.226 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.226 * [taylor]: Taking taylor expansion of 4.0 in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.226 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.226 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.227 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.227 * [taylor]: Taking taylor expansion of 4.0 in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.227 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of 1 in y
0.227 * [taylor]: Taking taylor expansion of 0 in y
0.227 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.227 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.227 * [taylor]: Taking taylor expansion of 4.0 in y
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.227 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.227 * [taylor]: Taking taylor expansion of y in y
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.229 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.229 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.229 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.229 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.229 * [taylor]: Taking taylor expansion of x in y
0.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.229 * [taylor]: Taking taylor expansion of 4.0 in y
0.229 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.229 * [taylor]: Taking taylor expansion of y in y
0.229 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.229 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.229 * [taylor]: Taking taylor expansion of 4.0 in x
0.229 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.229 * [taylor]: Taking taylor expansion of y in x
0.229 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.229 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.229 * [taylor]: Taking taylor expansion of 4.0 in x
0.229 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.229 * [taylor]: Taking taylor expansion of y in x
0.229 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.229 * [taylor]: Taking taylor expansion of 4.0 in y
0.229 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.229 * [taylor]: Taking taylor expansion of y in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.230 * [taylor]: Taking taylor expansion of 1 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.231 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.231 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.231 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.231 * [taylor]: Taking taylor expansion of x in y
0.231 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.231 * [taylor]: Taking taylor expansion of 4.0 in y
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.231 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.231 * [taylor]: Taking taylor expansion of y in y
0.231 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.231 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.231 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.231 * [taylor]: Taking taylor expansion of 4.0 in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.231 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.231 * [taylor]: Taking taylor expansion of y in x
0.231 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.231 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.231 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.231 * [taylor]: Taking taylor expansion of 4.0 in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.231 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.231 * [taylor]: Taking taylor expansion of y in x
0.231 * [taylor]: Taking taylor expansion of 1 in y
0.231 * [taylor]: Taking taylor expansion of 0 in y
0.232 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.232 * [taylor]: Taking taylor expansion of 4.0 in y
0.232 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.232 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.232 * [taylor]: Taking taylor expansion of y in y
0.232 * [taylor]: Taking taylor expansion of 0 in y
0.233 * [taylor]: Taking taylor expansion of 0 in y
0.233 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.233 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.233 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.233 * [taylor]: Taking taylor expansion of x in y
0.233 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.233 * [taylor]: Taking taylor expansion of 4.0 in y
0.233 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.233 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.234 * [taylor]: Taking taylor expansion of y in y
0.234 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.234 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.234 * [taylor]: Taking taylor expansion of 4.0 in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.234 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.234 * [taylor]: Taking taylor expansion of y in x
0.234 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.234 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.234 * [taylor]: Taking taylor expansion of 4.0 in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.234 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.234 * [taylor]: Taking taylor expansion of y in x
0.234 * [taylor]: Taking taylor expansion of 1 in y
0.234 * [taylor]: Taking taylor expansion of 0 in y
0.235 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.235 * [taylor]: Taking taylor expansion of 4.0 in y
0.235 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.235 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.235 * [taylor]: Taking taylor expansion of y in y
0.235 * [taylor]: Taking taylor expansion of 0 in y
0.238 * [taylor]: Taking taylor expansion of 0 in y
0.239 * * * [progress]: simplifying candidates
0.240 * [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)))
0.243 * * [simplify]: iteration  0 :  87  enodes  (cost  1404 )
0.258 * * [simplify]: iteration  1 :  232  enodes  (cost  1375 )
0.330 * * [simplify]: iteration  2 :  792  enodes  (cost  1233 )
0.840 * * [simplify]: iteration  3 :  3509  enodes  (cost  1226 )
1.958 * * [simplify]: iteration  done :  5001  enodes  (cost  1226 )
1.959 * [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)) (pow x 2))
  (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) (* (pow y 3) (* 4.0 (* y 4.0)))))
  (* (+ (* 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) (* (* 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) (* (pow y 3) (* 4.0 (* y 4.0))))
  (+ (pow x 2) (* (* y 4.0) y))
  (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) (* (pow y 3) (* 4.0 (* y 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)))
  (+ (pow x 2) (* (* y 4.0) y))
  (+ (pow x 2) (* (* y 4.0) y))
  (+ (pow x 2) (* (* y 4.0) y))
1.959 * * * [progress]: adding candidates to table
2.061 * * [progress]: iteration 2 / 4
2.061 * * * [progress]: picking best candidate
2.071 * * * * [pick]: Picked  #<alt (λ (x y) -1.0)>
2.071 * * * [progress]: localizing error
2.071 * * * [progress]: generating rewritten candidates
2.071 * * * [progress]: generating series expansions
2.071 * * * [progress]: simplifying candidates
2.071 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
2.072 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.072 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
2.072 * [simplify]: Simplified to:
   
2.072 * * * [progress]: adding candidates to table
2.072 * * [progress]: iteration 3 / 4
2.072 * * * [progress]: picking best candidate
2.081 * * * * [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))))))>
2.082 * * * [progress]: localizing error
2.094 * * * [progress]: generating rewritten candidates
2.094 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 1)
2.104 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1)
2.114 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1)
2.124 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1 1)
2.130 * * * [progress]: generating series expansions
2.130 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 1)
2.131 * [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
2.131 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.131 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.131 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.131 * [taylor]: Taking taylor expansion of x in y
2.131 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.131 * [taylor]: Taking taylor expansion of 4.0 in y
2.131 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.131 * [taylor]: Taking taylor expansion of y in y
2.131 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.131 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.131 * [taylor]: Taking taylor expansion of x in y
2.131 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.131 * [taylor]: Taking taylor expansion of 4.0 in y
2.131 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.131 * [taylor]: Taking taylor expansion of y in y
2.131 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.131 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.131 * [taylor]: Taking taylor expansion of x in x
2.131 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.131 * [taylor]: Taking taylor expansion of 4.0 in x
2.131 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.131 * [taylor]: Taking taylor expansion of y in x
2.131 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.131 * [taylor]: Taking taylor expansion of x in x
2.131 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.132 * [taylor]: Taking taylor expansion of 4.0 in x
2.132 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.132 * [taylor]: Taking taylor expansion of y in x
2.132 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.132 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.132 * [taylor]: Taking taylor expansion of x in x
2.132 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.132 * [taylor]: Taking taylor expansion of 4.0 in x
2.132 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.132 * [taylor]: Taking taylor expansion of y in x
2.132 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.132 * [taylor]: Taking taylor expansion of x in x
2.132 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.132 * [taylor]: Taking taylor expansion of 4.0 in x
2.132 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.132 * [taylor]: Taking taylor expansion of y in x
2.133 * [taylor]: Taking taylor expansion of -1.0 in y
2.133 * [taylor]: Taking taylor expansion of 0 in y
2.134 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
2.134 * [taylor]: Taking taylor expansion of 0.5 in y
2.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.134 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.134 * [taylor]: Taking taylor expansion of y in y
2.135 * [taylor]: Taking taylor expansion of 0 in y
2.135 * [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
2.135 * [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
2.135 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.135 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.135 * [taylor]: Taking taylor expansion of x in y
2.135 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.135 * [taylor]: Taking taylor expansion of 4.0 in y
2.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.135 * [taylor]: Taking taylor expansion of y in y
2.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.135 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.135 * [taylor]: Taking taylor expansion of x in y
2.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.136 * [taylor]: Taking taylor expansion of 4.0 in y
2.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.136 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.136 * [taylor]: Taking taylor expansion of y in y
2.136 * [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
2.136 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.136 * [taylor]: Taking taylor expansion of x in x
2.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.136 * [taylor]: Taking taylor expansion of 4.0 in x
2.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.136 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.136 * [taylor]: Taking taylor expansion of y in x
2.136 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.136 * [taylor]: Taking taylor expansion of x in x
2.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.136 * [taylor]: Taking taylor expansion of 4.0 in x
2.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.136 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.136 * [taylor]: Taking taylor expansion of y in x
2.136 * [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
2.136 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.136 * [taylor]: Taking taylor expansion of x in x
2.137 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.137 * [taylor]: Taking taylor expansion of 4.0 in x
2.137 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.137 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.137 * [taylor]: Taking taylor expansion of y in x
2.137 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.137 * [taylor]: Taking taylor expansion of x in x
2.137 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.137 * [taylor]: Taking taylor expansion of 4.0 in x
2.137 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.137 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.137 * [taylor]: Taking taylor expansion of y in x
2.137 * [taylor]: Taking taylor expansion of 1 in y
2.137 * [taylor]: Taking taylor expansion of 0 in y
2.138 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.138 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.138 * [taylor]: Taking taylor expansion of 8.0 in y
2.138 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.138 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.138 * [taylor]: Taking taylor expansion of y in y
2.139 * [taylor]: Taking taylor expansion of 0 in y
2.140 * [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
2.140 * [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
2.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.140 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.140 * [taylor]: Taking taylor expansion of x in y
2.140 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.140 * [taylor]: Taking taylor expansion of 4.0 in y
2.140 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.140 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.140 * [taylor]: Taking taylor expansion of y in y
2.140 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.140 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.140 * [taylor]: Taking taylor expansion of x in y
2.140 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.140 * [taylor]: Taking taylor expansion of 4.0 in y
2.140 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.140 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.140 * [taylor]: Taking taylor expansion of y in y
2.140 * [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
2.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.140 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.140 * [taylor]: Taking taylor expansion of x in x
2.140 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.140 * [taylor]: Taking taylor expansion of 4.0 in x
2.140 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.140 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.140 * [taylor]: Taking taylor expansion of y in x
2.141 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.141 * [taylor]: Taking taylor expansion of x in x
2.141 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.141 * [taylor]: Taking taylor expansion of 4.0 in x
2.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.141 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.141 * [taylor]: Taking taylor expansion of y in x
2.141 * [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
2.141 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.141 * [taylor]: Taking taylor expansion of x in x
2.141 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.141 * [taylor]: Taking taylor expansion of 4.0 in x
2.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.141 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.141 * [taylor]: Taking taylor expansion of y in x
2.141 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.141 * [taylor]: Taking taylor expansion of x in x
2.141 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.141 * [taylor]: Taking taylor expansion of 4.0 in x
2.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.141 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.141 * [taylor]: Taking taylor expansion of y in x
2.141 * [taylor]: Taking taylor expansion of 1 in y
2.142 * [taylor]: Taking taylor expansion of 0 in y
2.142 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.142 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.142 * [taylor]: Taking taylor expansion of 8.0 in y
2.142 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.142 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.142 * [taylor]: Taking taylor expansion of y in y
2.143 * [taylor]: Taking taylor expansion of 0 in y
2.144 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1)
2.144 * [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
2.144 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.144 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.144 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.144 * [taylor]: Taking taylor expansion of x in y
2.144 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.144 * [taylor]: Taking taylor expansion of 4.0 in y
2.144 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.144 * [taylor]: Taking taylor expansion of y in y
2.144 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.144 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.144 * [taylor]: Taking taylor expansion of x in y
2.144 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.144 * [taylor]: Taking taylor expansion of 4.0 in y
2.144 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.144 * [taylor]: Taking taylor expansion of y in y
2.144 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.144 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.144 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.144 * [taylor]: Taking taylor expansion of x in x
2.144 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.144 * [taylor]: Taking taylor expansion of 4.0 in x
2.144 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.144 * [taylor]: Taking taylor expansion of y in x
2.144 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.144 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.144 * [taylor]: Taking taylor expansion of x in x
2.144 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.145 * [taylor]: Taking taylor expansion of 4.0 in x
2.145 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.145 * [taylor]: Taking taylor expansion of y in x
2.145 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.145 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.145 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.145 * [taylor]: Taking taylor expansion of x in x
2.145 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.145 * [taylor]: Taking taylor expansion of 4.0 in x
2.145 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.145 * [taylor]: Taking taylor expansion of y in x
2.145 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.145 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.145 * [taylor]: Taking taylor expansion of x in x
2.145 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.145 * [taylor]: Taking taylor expansion of 4.0 in x
2.145 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.145 * [taylor]: Taking taylor expansion of y in x
2.146 * [taylor]: Taking taylor expansion of -1.0 in y
2.146 * [taylor]: Taking taylor expansion of 0 in y
2.147 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
2.147 * [taylor]: Taking taylor expansion of 0.5 in y
2.147 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.147 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.147 * [taylor]: Taking taylor expansion of y in y
2.148 * [taylor]: Taking taylor expansion of 0 in y
2.148 * [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
2.148 * [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
2.148 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.148 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.148 * [taylor]: Taking taylor expansion of x in y
2.148 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.148 * [taylor]: Taking taylor expansion of 4.0 in y
2.148 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.148 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.148 * [taylor]: Taking taylor expansion of y in y
2.148 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.148 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.148 * [taylor]: Taking taylor expansion of x in y
2.148 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.148 * [taylor]: Taking taylor expansion of 4.0 in y
2.148 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.148 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.148 * [taylor]: Taking taylor expansion of y in y
2.149 * [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
2.149 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.149 * [taylor]: Taking taylor expansion of x in x
2.149 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.149 * [taylor]: Taking taylor expansion of 4.0 in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.149 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.149 * [taylor]: Taking taylor expansion of y in x
2.149 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.149 * [taylor]: Taking taylor expansion of x in x
2.149 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.149 * [taylor]: Taking taylor expansion of 4.0 in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.149 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.149 * [taylor]: Taking taylor expansion of y in x
2.149 * [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
2.149 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.149 * [taylor]: Taking taylor expansion of x in x
2.149 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.149 * [taylor]: Taking taylor expansion of 4.0 in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.149 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.149 * [taylor]: Taking taylor expansion of y in x
2.149 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.150 * [taylor]: Taking taylor expansion of x in x
2.150 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.150 * [taylor]: Taking taylor expansion of 4.0 in x
2.150 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.150 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.150 * [taylor]: Taking taylor expansion of y in x
2.150 * [taylor]: Taking taylor expansion of 1 in y
2.150 * [taylor]: Taking taylor expansion of 0 in y
2.151 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.151 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.151 * [taylor]: Taking taylor expansion of 8.0 in y
2.151 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.151 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.151 * [taylor]: Taking taylor expansion of y in y
2.152 * [taylor]: Taking taylor expansion of 0 in y
2.152 * [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
2.152 * [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
2.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.153 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.153 * [taylor]: Taking taylor expansion of x in y
2.153 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.153 * [taylor]: Taking taylor expansion of 4.0 in y
2.153 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.153 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.153 * [taylor]: Taking taylor expansion of y in y
2.153 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.153 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.153 * [taylor]: Taking taylor expansion of x in y
2.153 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.153 * [taylor]: Taking taylor expansion of 4.0 in y
2.153 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.153 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.153 * [taylor]: Taking taylor expansion of y in y
2.153 * [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
2.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.153 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.153 * [taylor]: Taking taylor expansion of x in x
2.153 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.153 * [taylor]: Taking taylor expansion of 4.0 in x
2.153 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.153 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.153 * [taylor]: Taking taylor expansion of y in x
2.153 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.154 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.154 * [taylor]: Taking taylor expansion of x in x
2.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.154 * [taylor]: Taking taylor expansion of 4.0 in x
2.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.154 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.154 * [taylor]: Taking taylor expansion of y in x
2.154 * [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
2.154 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.154 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.154 * [taylor]: Taking taylor expansion of x in x
2.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.154 * [taylor]: Taking taylor expansion of 4.0 in x
2.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.154 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.154 * [taylor]: Taking taylor expansion of y in x
2.154 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.154 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.154 * [taylor]: Taking taylor expansion of x in x
2.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.154 * [taylor]: Taking taylor expansion of 4.0 in x
2.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.154 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.154 * [taylor]: Taking taylor expansion of y in x
2.154 * [taylor]: Taking taylor expansion of 1 in y
2.155 * [taylor]: Taking taylor expansion of 0 in y
2.155 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.155 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.155 * [taylor]: Taking taylor expansion of 8.0 in y
2.155 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.155 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.155 * [taylor]: Taking taylor expansion of y in y
2.156 * [taylor]: Taking taylor expansion of 0 in y
2.156 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1)
2.157 * [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
2.157 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.157 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.157 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.157 * [taylor]: Taking taylor expansion of x in y
2.157 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.157 * [taylor]: Taking taylor expansion of 4.0 in y
2.157 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.157 * [taylor]: Taking taylor expansion of y in y
2.157 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.157 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.157 * [taylor]: Taking taylor expansion of x in y
2.157 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.157 * [taylor]: Taking taylor expansion of 4.0 in y
2.157 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.157 * [taylor]: Taking taylor expansion of y in y
2.157 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.157 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.157 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.157 * [taylor]: Taking taylor expansion of x in x
2.157 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.157 * [taylor]: Taking taylor expansion of 4.0 in x
2.157 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.157 * [taylor]: Taking taylor expansion of y in x
2.157 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.157 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.157 * [taylor]: Taking taylor expansion of x in x
2.157 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.157 * [taylor]: Taking taylor expansion of 4.0 in x
2.157 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.157 * [taylor]: Taking taylor expansion of y in x
2.158 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.158 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.158 * [taylor]: Taking taylor expansion of x in x
2.158 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.158 * [taylor]: Taking taylor expansion of 4.0 in x
2.158 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.158 * [taylor]: Taking taylor expansion of y in x
2.158 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.158 * [taylor]: Taking taylor expansion of x in x
2.158 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.158 * [taylor]: Taking taylor expansion of 4.0 in x
2.158 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.158 * [taylor]: Taking taylor expansion of y in x
2.159 * [taylor]: Taking taylor expansion of -1.0 in y
2.159 * [taylor]: Taking taylor expansion of 0 in y
2.160 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
2.160 * [taylor]: Taking taylor expansion of 0.5 in y
2.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.160 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.160 * [taylor]: Taking taylor expansion of y in y
2.160 * [taylor]: Taking taylor expansion of 0 in y
2.161 * [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
2.161 * [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 y
2.161 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.161 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.161 * [taylor]: Taking taylor expansion of x in y
2.161 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.161 * [taylor]: Taking taylor expansion of 4.0 in y
2.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.161 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.161 * [taylor]: Taking taylor expansion of y in y
2.161 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.161 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.161 * [taylor]: Taking taylor expansion of x in y
2.161 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.161 * [taylor]: Taking taylor expansion of 4.0 in y
2.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.161 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.161 * [taylor]: Taking taylor expansion of y in y
2.161 * [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
2.162 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.162 * [taylor]: Taking taylor expansion of x in x
2.162 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.162 * [taylor]: Taking taylor expansion of 4.0 in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.162 * [taylor]: Taking taylor expansion of y in x
2.162 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.162 * [taylor]: Taking taylor expansion of x in x
2.162 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.162 * [taylor]: Taking taylor expansion of 4.0 in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.162 * [taylor]: Taking taylor expansion of y in x
2.162 * [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
2.162 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.162 * [taylor]: Taking taylor expansion of x in x
2.162 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.162 * [taylor]: Taking taylor expansion of 4.0 in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.162 * [taylor]: Taking taylor expansion of y in x
2.162 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.162 * [taylor]: Taking taylor expansion of x in x
2.162 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.162 * [taylor]: Taking taylor expansion of 4.0 in x
2.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.163 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.163 * [taylor]: Taking taylor expansion of y in x
2.163 * [taylor]: Taking taylor expansion of 1 in y
2.163 * [taylor]: Taking taylor expansion of 0 in y
2.164 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.164 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.164 * [taylor]: Taking taylor expansion of 8.0 in y
2.164 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.164 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.164 * [taylor]: Taking taylor expansion of y in y
2.165 * [taylor]: Taking taylor expansion of 0 in y
2.166 * [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
2.166 * [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
2.166 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.166 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.166 * [taylor]: Taking taylor expansion of x in y
2.166 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.166 * [taylor]: Taking taylor expansion of 4.0 in y
2.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.166 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.166 * [taylor]: Taking taylor expansion of y in y
2.166 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.166 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.166 * [taylor]: Taking taylor expansion of x in y
2.166 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.166 * [taylor]: Taking taylor expansion of 4.0 in y
2.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.166 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.166 * [taylor]: Taking taylor expansion of y in y
2.166 * [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
2.166 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.166 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.166 * [taylor]: Taking taylor expansion of x in x
2.166 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.166 * [taylor]: Taking taylor expansion of 4.0 in x
2.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.167 * [taylor]: Taking taylor expansion of y in x
2.167 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.167 * [taylor]: Taking taylor expansion of x in x
2.167 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.167 * [taylor]: Taking taylor expansion of 4.0 in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.167 * [taylor]: Taking taylor expansion of y in x
2.167 * [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
2.167 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.167 * [taylor]: Taking taylor expansion of x in x
2.167 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.167 * [taylor]: Taking taylor expansion of 4.0 in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.167 * [taylor]: Taking taylor expansion of y in x
2.167 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.167 * [taylor]: Taking taylor expansion of x in x
2.167 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.167 * [taylor]: Taking taylor expansion of 4.0 in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.167 * [taylor]: Taking taylor expansion of y in x
2.168 * [taylor]: Taking taylor expansion of 1 in y
2.168 * [taylor]: Taking taylor expansion of 0 in y
2.168 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
2.168 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.168 * [taylor]: Taking taylor expansion of 8.0 in y
2.168 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.169 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.169 * [taylor]: Taking taylor expansion of y in y
2.170 * [taylor]: Taking taylor expansion of 0 in y
2.170 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1 1)
2.170 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
2.170 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
2.170 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.170 * [taylor]: Taking taylor expansion of x in y
2.170 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.170 * [taylor]: Taking taylor expansion of 4.0 in y
2.170 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.170 * [taylor]: Taking taylor expansion of y in y
2.170 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.170 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.170 * [taylor]: Taking taylor expansion of x in x
2.170 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.170 * [taylor]: Taking taylor expansion of 4.0 in x
2.170 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.170 * [taylor]: Taking taylor expansion of y in x
2.170 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
2.170 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.170 * [taylor]: Taking taylor expansion of x in x
2.170 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.170 * [taylor]: Taking taylor expansion of 4.0 in x
2.170 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.170 * [taylor]: Taking taylor expansion of y in x
2.170 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
2.170 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.170 * [taylor]: Taking taylor expansion of 4.0 in y
2.170 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.170 * [taylor]: Taking taylor expansion of y in y
2.171 * [taylor]: Taking taylor expansion of 0 in y
2.171 * [taylor]: Taking taylor expansion of 1 in y
2.171 * [taylor]: Taking taylor expansion of 0 in y
2.171 * [taylor]: Taking taylor expansion of 0 in y
2.172 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.172 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.172 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.172 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.172 * [taylor]: Taking taylor expansion of x in y
2.172 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.172 * [taylor]: Taking taylor expansion of 4.0 in y
2.172 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.172 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.172 * [taylor]: Taking taylor expansion of y in y
2.172 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.172 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.172 * [taylor]: Taking taylor expansion of x in x
2.172 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.172 * [taylor]: Taking taylor expansion of 4.0 in x
2.172 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.172 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.172 * [taylor]: Taking taylor expansion of y in x
2.172 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.172 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.172 * [taylor]: Taking taylor expansion of x in x
2.172 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.172 * [taylor]: Taking taylor expansion of 4.0 in x
2.172 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.172 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.172 * [taylor]: Taking taylor expansion of y in x
2.172 * [taylor]: Taking taylor expansion of 1 in y
2.173 * [taylor]: Taking taylor expansion of 0 in y
2.173 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
2.173 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.173 * [taylor]: Taking taylor expansion of 4.0 in y
2.173 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.173 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.173 * [taylor]: Taking taylor expansion of y in y
2.173 * [taylor]: Taking taylor expansion of 0 in y
2.174 * [taylor]: Taking taylor expansion of 0 in y
2.174 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.174 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.174 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.174 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.174 * [taylor]: Taking taylor expansion of x in y
2.175 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.175 * [taylor]: Taking taylor expansion of 4.0 in y
2.175 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.175 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.175 * [taylor]: Taking taylor expansion of y in y
2.175 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.175 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.175 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.175 * [taylor]: Taking taylor expansion of x in x
2.175 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.175 * [taylor]: Taking taylor expansion of 4.0 in x
2.175 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.175 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.175 * [taylor]: Taking taylor expansion of y in x
2.175 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.175 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.175 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.175 * [taylor]: Taking taylor expansion of x in x
2.175 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.175 * [taylor]: Taking taylor expansion of 4.0 in x
2.175 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.175 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.175 * [taylor]: Taking taylor expansion of y in x
2.175 * [taylor]: Taking taylor expansion of 1 in y
2.175 * [taylor]: Taking taylor expansion of 0 in y
2.176 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
2.176 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.176 * [taylor]: Taking taylor expansion of 4.0 in y
2.176 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.176 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.176 * [taylor]: Taking taylor expansion of y in y
2.176 * [taylor]: Taking taylor expansion of 0 in y
2.179 * [taylor]: Taking taylor expansion of 0 in y
2.180 * * * [progress]: simplifying candidates
2.182 * [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)))
  (- (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)))
  (- (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))
  -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)))
2.187 * * [simplify]: iteration  0 :  82  enodes  (cost  3148 )
2.202 * * [simplify]: iteration  1 :  219  enodes  (cost  3096 )
2.264 * * [simplify]: iteration  2 :  754  enodes  (cost  2810 )
2.774 * * [simplify]: iteration  3 :  3319  enodes  (cost  2802 )
3.814 * * [simplify]: iteration  done :  5001  enodes  (cost  2799 )
3.816 * [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))))
  (- (* (* y 4.0) y) (pow x 2))
  (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)))
  (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 4.0) y) (pow x 2))
  (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)))
  (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 4.0) y) (pow x 2))
  (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)))
3.817 * * * [progress]: adding candidates to table
4.191 * * [progress]: iteration 4 / 4
4.192 * * * [progress]: picking best candidate
4.197 * * * * [pick]: Picked  #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>
4.197 * * * [progress]: localizing error
4.206 * * * [progress]: generating rewritten candidates
4.206 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
4.216 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 2)
4.220 * * * * [progress]: [ 3 / 4 ] rewriting at (2)
4.232 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
4.242 * * * [progress]: generating series expansions
4.242 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
4.242 * [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
4.242 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in y
4.242 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
4.242 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.242 * [taylor]: Taking taylor expansion of x in y
4.242 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.242 * [taylor]: Taking taylor expansion of 4.0 in y
4.242 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.242 * [taylor]: Taking taylor expansion of y in y
4.242 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
4.242 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.242 * [taylor]: Taking taylor expansion of x in y
4.242 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.242 * [taylor]: Taking taylor expansion of 4.0 in y
4.243 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.243 * [taylor]: Taking taylor expansion of y in y
4.243 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in x
4.243 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
4.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.243 * [taylor]: Taking taylor expansion of x in x
4.243 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.243 * [taylor]: Taking taylor expansion of 4.0 in x
4.243 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.243 * [taylor]: Taking taylor expansion of y in x
4.243 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
4.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.243 * [taylor]: Taking taylor expansion of x in x
4.243 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.243 * [taylor]: Taking taylor expansion of 4.0 in x
4.243 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.243 * [taylor]: Taking taylor expansion of y in x
4.244 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2)))) in x
4.244 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
4.244 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.244 * [taylor]: Taking taylor expansion of x in x
4.244 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.244 * [taylor]: Taking taylor expansion of 4.0 in x
4.244 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.244 * [taylor]: Taking taylor expansion of y in x
4.244 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
4.244 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.244 * [taylor]: Taking taylor expansion of x in x
4.244 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.244 * [taylor]: Taking taylor expansion of 4.0 in x
4.244 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.244 * [taylor]: Taking taylor expansion of y in x
4.244 * [taylor]: Taking taylor expansion of -1.0 in y
4.245 * [taylor]: Taking taylor expansion of 0 in y
4.246 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 (pow y 2)))) in y
4.246 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
4.246 * [taylor]: Taking taylor expansion of 0.5 in y
4.246 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.246 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.246 * [taylor]: Taking taylor expansion of y in y
4.247 * [taylor]: Taking taylor expansion of 0 in y
4.247 * [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
4.247 * [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
4.247 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.247 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.247 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.247 * [taylor]: Taking taylor expansion of x in y
4.247 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.247 * [taylor]: Taking taylor expansion of 4.0 in y
4.247 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.247 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.247 * [taylor]: Taking taylor expansion of y in y
4.247 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.247 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.247 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.247 * [taylor]: Taking taylor expansion of x in y
4.247 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.247 * [taylor]: Taking taylor expansion of 4.0 in y
4.247 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.247 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.247 * [taylor]: Taking taylor expansion of y in y
4.247 * [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
4.248 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.248 * [taylor]: Taking taylor expansion of x in x
4.248 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.248 * [taylor]: Taking taylor expansion of 4.0 in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.248 * [taylor]: Taking taylor expansion of y in x
4.248 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.248 * [taylor]: Taking taylor expansion of x in x
4.248 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.248 * [taylor]: Taking taylor expansion of 4.0 in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.248 * [taylor]: Taking taylor expansion of y in x
4.248 * [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
4.248 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.248 * [taylor]: Taking taylor expansion of x in x
4.248 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.248 * [taylor]: Taking taylor expansion of 4.0 in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.248 * [taylor]: Taking taylor expansion of y in x
4.248 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.248 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.249 * [taylor]: Taking taylor expansion of x in x
4.249 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.249 * [taylor]: Taking taylor expansion of 4.0 in x
4.249 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.249 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.249 * [taylor]: Taking taylor expansion of y in x
4.249 * [taylor]: Taking taylor expansion of 1 in y
4.249 * [taylor]: Taking taylor expansion of 0 in y
4.250 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
4.250 * [taylor]: Taking taylor expansion of 8.0 in y
4.250 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.250 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.250 * [taylor]: Taking taylor expansion of y in y
4.251 * [taylor]: Taking taylor expansion of 0 in y
4.251 * [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
4.251 * [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
4.251 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.251 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.251 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.251 * [taylor]: Taking taylor expansion of x in y
4.251 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.251 * [taylor]: Taking taylor expansion of 4.0 in y
4.251 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.251 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.251 * [taylor]: Taking taylor expansion of y in y
4.251 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.251 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.251 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.251 * [taylor]: Taking taylor expansion of x in y
4.252 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.252 * [taylor]: Taking taylor expansion of 4.0 in y
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.252 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.252 * [taylor]: Taking taylor expansion of y in y
4.252 * [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
4.252 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.252 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.252 * [taylor]: Taking taylor expansion of x in x
4.252 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.252 * [taylor]: Taking taylor expansion of 4.0 in x
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.252 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.252 * [taylor]: Taking taylor expansion of y in x
4.252 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.252 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.252 * [taylor]: Taking taylor expansion of x in x
4.252 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.252 * [taylor]: Taking taylor expansion of 4.0 in x
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.252 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.252 * [taylor]: Taking taylor expansion of y in x
4.252 * [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
4.252 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.252 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.252 * [taylor]: Taking taylor expansion of x in x
4.252 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.252 * [taylor]: Taking taylor expansion of 4.0 in x
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.252 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.253 * [taylor]: Taking taylor expansion of y in x
4.253 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.253 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.253 * [taylor]: Taking taylor expansion of x in x
4.253 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.253 * [taylor]: Taking taylor expansion of 4.0 in x
4.253 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.253 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.253 * [taylor]: Taking taylor expansion of y in x
4.253 * [taylor]: Taking taylor expansion of 1 in y
4.253 * [taylor]: Taking taylor expansion of 0 in y
4.254 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
4.254 * [taylor]: Taking taylor expansion of 8.0 in y
4.254 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.254 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.254 * [taylor]: Taking taylor expansion of y in y
4.255 * [taylor]: Taking taylor expansion of 0 in y
4.255 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 2)
4.255 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
4.255 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
4.255 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.255 * [taylor]: Taking taylor expansion of x in y
4.255 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.255 * [taylor]: Taking taylor expansion of 4.0 in y
4.255 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.255 * [taylor]: Taking taylor expansion of y in y
4.255 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
4.255 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.255 * [taylor]: Taking taylor expansion of x in x
4.255 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.255 * [taylor]: Taking taylor expansion of 4.0 in x
4.255 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.255 * [taylor]: Taking taylor expansion of y in x
4.255 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
4.255 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.255 * [taylor]: Taking taylor expansion of x in x
4.255 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.255 * [taylor]: Taking taylor expansion of 4.0 in x
4.255 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.255 * [taylor]: Taking taylor expansion of y in x
4.256 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
4.256 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.256 * [taylor]: Taking taylor expansion of 4.0 in y
4.256 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.256 * [taylor]: Taking taylor expansion of y in y
4.256 * [taylor]: Taking taylor expansion of 0 in y
4.256 * [taylor]: Taking taylor expansion of 1 in y
4.256 * [taylor]: Taking taylor expansion of 0 in y
4.257 * [taylor]: Taking taylor expansion of 0 in y
4.257 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
4.257 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.257 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.257 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.257 * [taylor]: Taking taylor expansion of x in y
4.257 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.257 * [taylor]: Taking taylor expansion of 4.0 in y
4.257 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.257 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.257 * [taylor]: Taking taylor expansion of y in y
4.257 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.257 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.257 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.257 * [taylor]: Taking taylor expansion of x in x
4.257 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.257 * [taylor]: Taking taylor expansion of 4.0 in x
4.257 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.257 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.257 * [taylor]: Taking taylor expansion of y in x
4.257 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.258 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.258 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.258 * [taylor]: Taking taylor expansion of x in x
4.258 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.258 * [taylor]: Taking taylor expansion of 4.0 in x
4.258 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.258 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.258 * [taylor]: Taking taylor expansion of y in x
4.258 * [taylor]: Taking taylor expansion of 1 in y
4.258 * [taylor]: Taking taylor expansion of 0 in y
4.258 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
4.258 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.258 * [taylor]: Taking taylor expansion of 4.0 in y
4.258 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.258 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.258 * [taylor]: Taking taylor expansion of y in y
4.259 * [taylor]: Taking taylor expansion of 0 in y
4.259 * [taylor]: Taking taylor expansion of 0 in y
4.260 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
4.260 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.260 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.260 * [taylor]: Taking taylor expansion of x in y
4.260 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.260 * [taylor]: Taking taylor expansion of 4.0 in y
4.260 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.260 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.260 * [taylor]: Taking taylor expansion of y in y
4.260 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.260 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.260 * [taylor]: Taking taylor expansion of x in x
4.260 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.260 * [taylor]: Taking taylor expansion of 4.0 in x
4.260 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.260 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.260 * [taylor]: Taking taylor expansion of y in x
4.260 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.260 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.260 * [taylor]: Taking taylor expansion of x in x
4.260 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.260 * [taylor]: Taking taylor expansion of 4.0 in x
4.260 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.260 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.260 * [taylor]: Taking taylor expansion of y in x
4.261 * [taylor]: Taking taylor expansion of 1 in y
4.261 * [taylor]: Taking taylor expansion of 0 in y
4.261 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
4.261 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.261 * [taylor]: Taking taylor expansion of 4.0 in y
4.261 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.261 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.261 * [taylor]: Taking taylor expansion of y in y
4.261 * [taylor]: Taking taylor expansion of 0 in y
4.262 * [taylor]: Taking taylor expansion of 0 in y
4.262 * * * * [progress]: [ 3 / 4 ] generating series at (2)
4.263 * [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
4.263 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
4.263 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
4.263 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.263 * [taylor]: Taking taylor expansion of x in y
4.263 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.263 * [taylor]: Taking taylor expansion of 4.0 in y
4.263 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.263 * [taylor]: Taking taylor expansion of y in y
4.263 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
4.263 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.263 * [taylor]: Taking taylor expansion of x in y
4.263 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.263 * [taylor]: Taking taylor expansion of 4.0 in y
4.263 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.263 * [taylor]: Taking taylor expansion of y in y
4.263 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
4.263 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
4.263 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.263 * [taylor]: Taking taylor expansion of x in x
4.263 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.263 * [taylor]: Taking taylor expansion of 4.0 in x
4.263 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.263 * [taylor]: Taking taylor expansion of y in x
4.263 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
4.263 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.263 * [taylor]: Taking taylor expansion of x in x
4.263 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.263 * [taylor]: Taking taylor expansion of 4.0 in x
4.263 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.263 * [taylor]: Taking taylor expansion of y in x
4.264 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
4.264 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
4.264 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.264 * [taylor]: Taking taylor expansion of x in x
4.264 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.264 * [taylor]: Taking taylor expansion of 4.0 in x
4.264 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.264 * [taylor]: Taking taylor expansion of y in x
4.264 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
4.264 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.264 * [taylor]: Taking taylor expansion of x in x
4.264 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.264 * [taylor]: Taking taylor expansion of 4.0 in x
4.264 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.264 * [taylor]: Taking taylor expansion of y in x
4.265 * [taylor]: Taking taylor expansion of -1.0 in y
4.265 * [taylor]: Taking taylor expansion of 0 in y
4.265 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
4.265 * [taylor]: Taking taylor expansion of 0.5 in y
4.265 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.265 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.265 * [taylor]: Taking taylor expansion of y in y
4.266 * [taylor]: Taking taylor expansion of 0 in y
4.267 * [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
4.267 * [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
4.267 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.267 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.267 * [taylor]: Taking taylor expansion of x in y
4.267 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.267 * [taylor]: Taking taylor expansion of 4.0 in y
4.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.267 * [taylor]: Taking taylor expansion of y in y
4.267 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.267 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.267 * [taylor]: Taking taylor expansion of x in y
4.267 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.267 * [taylor]: Taking taylor expansion of 4.0 in y
4.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.267 * [taylor]: Taking taylor expansion of y in y
4.267 * [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
4.267 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.267 * [taylor]: Taking taylor expansion of x in x
4.267 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.267 * [taylor]: Taking taylor expansion of 4.0 in x
4.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.267 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.267 * [taylor]: Taking taylor expansion of y in x
4.268 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.268 * [taylor]: Taking taylor expansion of x in x
4.268 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.268 * [taylor]: Taking taylor expansion of 4.0 in x
4.268 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.268 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.268 * [taylor]: Taking taylor expansion of y in x
4.268 * [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
4.268 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.268 * [taylor]: Taking taylor expansion of x in x
4.268 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.268 * [taylor]: Taking taylor expansion of 4.0 in x
4.268 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.268 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.268 * [taylor]: Taking taylor expansion of y in x
4.268 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.268 * [taylor]: Taking taylor expansion of x in x
4.268 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.268 * [taylor]: Taking taylor expansion of 4.0 in x
4.268 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.268 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.268 * [taylor]: Taking taylor expansion of y in x
4.268 * [taylor]: Taking taylor expansion of 1 in y
4.269 * [taylor]: Taking taylor expansion of 0 in y
4.269 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
4.269 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
4.269 * [taylor]: Taking taylor expansion of 8.0 in y
4.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.269 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.269 * [taylor]: Taking taylor expansion of y in y
4.270 * [taylor]: Taking taylor expansion of 0 in y
4.271 * [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
4.271 * [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
4.271 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.271 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.271 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.271 * [taylor]: Taking taylor expansion of x in y
4.271 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.271 * [taylor]: Taking taylor expansion of 4.0 in y
4.271 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.271 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.271 * [taylor]: Taking taylor expansion of y in y
4.271 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.271 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.271 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.271 * [taylor]: Taking taylor expansion of x in y
4.271 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.271 * [taylor]: Taking taylor expansion of 4.0 in y
4.271 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.271 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.271 * [taylor]: Taking taylor expansion of y in y
4.272 * [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
4.272 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.272 * [taylor]: Taking taylor expansion of x in x
4.272 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.272 * [taylor]: Taking taylor expansion of 4.0 in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.272 * [taylor]: Taking taylor expansion of y in x
4.272 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.272 * [taylor]: Taking taylor expansion of x in x
4.272 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.272 * [taylor]: Taking taylor expansion of 4.0 in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.272 * [taylor]: Taking taylor expansion of y in x
4.272 * [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
4.272 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.272 * [taylor]: Taking taylor expansion of x in x
4.272 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.272 * [taylor]: Taking taylor expansion of 4.0 in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.272 * [taylor]: Taking taylor expansion of y in x
4.272 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.272 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.272 * [taylor]: Taking taylor expansion of x in x
4.272 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.272 * [taylor]: Taking taylor expansion of 4.0 in x
4.273 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.273 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.273 * [taylor]: Taking taylor expansion of y in x
4.273 * [taylor]: Taking taylor expansion of 1 in y
4.273 * [taylor]: Taking taylor expansion of 0 in y
4.274 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
4.274 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
4.274 * [taylor]: Taking taylor expansion of 8.0 in y
4.274 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.274 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.274 * [taylor]: Taking taylor expansion of y in y
4.275 * [taylor]: Taking taylor expansion of 0 in y
4.275 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
4.275 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
4.275 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
4.275 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.275 * [taylor]: Taking taylor expansion of x in y
4.275 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.275 * [taylor]: Taking taylor expansion of 4.0 in y
4.275 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.275 * [taylor]: Taking taylor expansion of y in y
4.275 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
4.275 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.275 * [taylor]: Taking taylor expansion of x in x
4.275 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.275 * [taylor]: Taking taylor expansion of 4.0 in x
4.275 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.275 * [taylor]: Taking taylor expansion of y in x
4.275 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
4.275 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.275 * [taylor]: Taking taylor expansion of x in x
4.275 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
4.275 * [taylor]: Taking taylor expansion of 4.0 in x
4.275 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.275 * [taylor]: Taking taylor expansion of y in x
4.275 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
4.275 * [taylor]: Taking taylor expansion of 4.0 in y
4.276 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.276 * [taylor]: Taking taylor expansion of y in y
4.276 * [taylor]: Taking taylor expansion of 0 in y
4.276 * [taylor]: Taking taylor expansion of 1 in y
4.276 * [taylor]: Taking taylor expansion of 0 in y
4.276 * [taylor]: Taking taylor expansion of 0 in y
4.277 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
4.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.277 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.277 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.277 * [taylor]: Taking taylor expansion of x in y
4.277 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.277 * [taylor]: Taking taylor expansion of 4.0 in y
4.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.277 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.277 * [taylor]: Taking taylor expansion of y in y
4.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.277 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.277 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.277 * [taylor]: Taking taylor expansion of x in x
4.277 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.277 * [taylor]: Taking taylor expansion of 4.0 in x
4.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.277 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.277 * [taylor]: Taking taylor expansion of y in x
4.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.277 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.277 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.277 * [taylor]: Taking taylor expansion of x in x
4.277 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.277 * [taylor]: Taking taylor expansion of 4.0 in x
4.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.277 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.277 * [taylor]: Taking taylor expansion of y in x
4.277 * [taylor]: Taking taylor expansion of 1 in y
4.278 * [taylor]: Taking taylor expansion of 0 in y
4.278 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.278 * [taylor]: Taking taylor expansion of 4.0 in y
4.278 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.278 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.278 * [taylor]: Taking taylor expansion of y in y
4.278 * [taylor]: Taking taylor expansion of 0 in y
4.279 * [taylor]: Taking taylor expansion of 0 in y
4.279 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
4.279 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
4.279 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.279 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.279 * [taylor]: Taking taylor expansion of x in y
4.279 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.279 * [taylor]: Taking taylor expansion of 4.0 in y
4.279 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.279 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.279 * [taylor]: Taking taylor expansion of y in y
4.279 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.279 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.280 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.280 * [taylor]: Taking taylor expansion of x in x
4.280 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.280 * [taylor]: Taking taylor expansion of 4.0 in x
4.280 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.280 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.280 * [taylor]: Taking taylor expansion of y in x
4.280 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
4.280 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.280 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.280 * [taylor]: Taking taylor expansion of x in x
4.280 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
4.280 * [taylor]: Taking taylor expansion of 4.0 in x
4.280 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.280 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.280 * [taylor]: Taking taylor expansion of y in x
4.280 * [taylor]: Taking taylor expansion of 1 in y
4.280 * [taylor]: Taking taylor expansion of 0 in y
4.280 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
4.280 * [taylor]: Taking taylor expansion of 4.0 in y
4.280 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.280 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.280 * [taylor]: Taking taylor expansion of y in y
4.281 * [taylor]: Taking taylor expansion of 0 in y
4.281 * [taylor]: Taking taylor expansion of 0 in y
4.282 * * * [progress]: simplifying candidates
4.284 * [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)))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) 1))
  (/ (sqrt 1) (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))))
  (/ (sqrt 1) (/ 1 (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ 1 (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
  (/ (sqrt 1) (+ (* x x) (* (* y 4.0) y)))
  (/ (sqrt 1) (/ 1 (- (* x x) (* (* y 4.0) y))))
  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))))
  (/ (sqrt 1) (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y)))))
  (/ (sqrt 1) (/ (+ (* x x) (* (* y 4.0) y)) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))))
  (/ (sqrt 1) (+ (* 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)))))
  (/ 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)))))
  (/ 1 (/ (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 (/ (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)))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (- (* x x) (* (* y 4.0) y)))))
  (/ 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)))
  (/ 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) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y)))))
  (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))))
  (/ 1 (+ (* 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))) 1)
  (/ 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)))))
  (/ 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)))))
  (/ 1 (/ (sqrt (+ (* x x) (* (* y 4.0) y))) 1))
  (/ 1 (/ 1 (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))))
  (/ 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)))
4.293 * * [simplify]: iteration  0 :  192  enodes  (cost  4490 )
4.359 * * [simplify]: iteration  1 :  461  enodes  (cost  4224 )
4.450 * * [simplify]: iteration  2 :  1211  enodes  (cost  3827 )
5.725 * * [simplify]: iteration  3 :  4948  enodes  (cost  3710 )
7.093 * * [simplify]: iteration  done :  5000  enodes  (cost  3710 )
7.095 * [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)))
  (- (* (* y 4.0) y) (pow x 2))
  (/ (* (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)))
  (/ (+ (* (* y 4.0) y) (* x x)) (- (pow x 6) (pow (* (* y 4.0) y) 3)))
  (/ 1 (- (* x x) (* (* y 4.0) y)))
  (* (+ (pow x 4) (* (* (* y 4.0) y) (- (* (* y 4.0) y) (* x x)))) (- (pow x 2) (* 4.0 (pow y 2))))
  (* (- (pow x 2) (* 4.0 (pow y 2))) (- (pow x 2) (* 4.0 (pow y 2))))
  (exp (- (pow x 2) (* (* y 4.0) y)))
  (log (- (pow x 2) (* (* y 4.0) y)))
  (exp (- (pow x 2) (* (* y 4.0) y)))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (cbrt (- (pow x 2) (* 4.0 (pow y 2))))
  (pow (- (* x x) (* (* 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))
  (+ (* (+ (* (* y 4.0) y) (* x x)) (* (* y 4.0) y)) (pow x 4))
  (* 4.0 (* y (neg y)))
  (- (pow x 4) (* (* 4.0 (* y 4.0)) (pow y 3)))
  (+ (pow x 2) (* (* y 4.0) y))
  (* 4.0 (* y (neg y)))
  -1
  (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))))
  (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))))
  (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))))
  (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)) (+ (pow x 2) (* 4.0 (pow y 2)))) 3)
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (pow x 2) (* 4.0 (pow y 2)))) 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)) (+ (pow x 2) (* 4.0 (pow y 2)))) 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))))
  -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)))))
  (/ (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 (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* (* y 4.0) y) (* x x))))
  (/ 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 (+ (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (pow x 2) (* 4.0 (pow y 2)))) (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)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (pow x 2) (* 4.0 (pow y 2)))) (+ (pow x 2) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (+ (* (* y 4.0) y) (* x x)))
  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 (+ (pow x 2) (* (* y 4.0) y)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ (- (pow x 6) (pow (* (* y 4.0) y) 3)) (+ (pow x 2) (* (* y 4.0) y)))
  (/ 1 (+ (* (+ (* (* y 4.0) y) (* x x)) (* (* y 4.0) y)) (pow x 4)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ 1 (+ (pow x 2) (* (* 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)))))
  (/ (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 (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* (* y 4.0) y) (* x x))))
  (/ 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 (+ (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (pow x 2) (* 4.0 (pow y 2)))) (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)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (pow x 2) (* 4.0 (pow y 2)))) (+ (pow x 2) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (+ (* (* y 4.0) y) (* x x)))
  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 (+ (pow x 2) (* (* y 4.0) y)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ (- (pow x 6) (pow (* (* y 4.0) y) 3)) (+ (pow x 2) (* (* y 4.0) y)))
  (/ 1 (+ (* (+ (* (* y 4.0) y) (* x x)) (* (* y 4.0) y)) (pow x 4)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ 1 (+ (pow x 2) (* (* 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)))))
  (/ (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 (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* (* y 4.0) y) (* x x))))
  (/ 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 (+ (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (pow x 2) (* 4.0 (pow y 2)))) (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)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (pow x 2) (* 4.0 (pow y 2)))) (+ (pow x 2) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (+ (* (* y 4.0) y) (* x x)))
  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 (+ (pow x 2) (* (* y 4.0) y)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ (- (pow x 6) (pow (* (* y 4.0) y) 3)) (+ (pow x 2) (* (* y 4.0) y)))
  (/ 1 (+ (* (+ (* (* y 4.0) y) (* x x)) (* (* y 4.0) y)) (pow x 4)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (/ 1 (+ (pow x 2) (* (* 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 (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 (+ (* 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))))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  1
  1
  (/ 1 (+ (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 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) (* (* 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 (+ (* (* y 4.0) y) (* x x)) 3)
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (+ (pow x 6) (pow (* (* y 4.0) y) 3))
  (+ (* (* (* y 4.0) y) (- (* (* y 4.0) y) (* x x))) (pow x 4))
  (- (pow x 4) (* (* 4.0 (* y 4.0)) (pow y 3)))
  (- (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) (* (* y 4.0) y))
  (+ (pow x 2) (* (* y 4.0) y))
  (+ (pow x 2) (* (* y 4.0) y))
7.096 * * * [progress]: adding candidates to table
7.273 * [progress]: [Phase 3 of 3] Extracting.
7.273 * * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.274 * * * [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)
7.274 * * * * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.318 * * * * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.362 * * * * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.397 * * * * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.445 * * * * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.504 * * * [regime]: Found split indices: #<option (#s(si 2 65) #s(si 0 148) #s(si 1 255))>
7.504 * [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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.526 * [regimes]: Found splitpoints: (#s(sp 2 (* (* y 4.0) y) 5.8839237203771254e-260) #s(sp 0 (* (* y 4.0) y) 5.497534214446919e+171) #s(sp 1 (* (* 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) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))))>)
7.526 * [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))
7.527 * * [simplify]: iteration  0 :  20  enodes  (cost  80 )
7.527 * * [simplify]: iteration  1 :  26  enodes  (cost  80 )
7.528 * * [simplify]: iteration  done :  26  enodes  (cost  80 )
7.528 * [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))
8.568 * [regime-testing]: End program error score: 12.25042049510635
8.679 * [regime-testing]: Target error score: 31.45080938491348