9.346 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.019 * * [simplify]: iteration  0 :  9  enodes  (cost  19 )
0.021 * * [simplify]: iteration  1 :  17  enodes  (cost  19 )
0.023 * * [simplify]: iteration  2 :  35  enodes  (cost  19 )
0.028 * * [simplify]: iteration  3 :  70  enodes  (cost  19 )
0.037 * * [simplify]: iteration  4 :  118  enodes  (cost  19 )
0.053 * * [simplify]: iteration  5 :  166  enodes  (cost  19 )
0.080 * * [simplify]: iteration  6 :  186  enodes  (cost  19 )
0.107 * * [simplify]: iteration  7 :  187  enodes  (cost  19 )
0.134 * * [simplify]: iteration  done :  187  enodes  (cost  19 )
0.134 * [simplify]: Simplified to:
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.134 * * [progress]: iteration 1 / 4
0.134 * * * [progress]: picking best candidate
0.136 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.136 * * * [progress]: localizing error
0.144 * * * [progress]: generating rewritten candidates
0.144 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.155 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.158 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.162 * * * [progress]: generating series expansions
0.162 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.164 * [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
0.165 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.165 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.165 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.165 * [taylor]: Taking taylor expansion of x in y
0.165 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.165 * [taylor]: Taking taylor expansion of 4.0 in y
0.165 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.165 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.165 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.165 * [taylor]: Taking taylor expansion of x in y
0.165 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.165 * [taylor]: Taking taylor expansion of 4.0 in y
0.165 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.165 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.165 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.165 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.165 * [taylor]: Taking taylor expansion of x in x
0.165 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.165 * [taylor]: Taking taylor expansion of 4.0 in x
0.165 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.165 * [taylor]: Taking taylor expansion of y in x
0.165 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.165 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.165 * [taylor]: Taking taylor expansion of x in x
0.165 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.165 * [taylor]: Taking taylor expansion of 4.0 in x
0.165 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.165 * [taylor]: Taking taylor expansion of y in x
0.166 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.166 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.166 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.166 * [taylor]: Taking taylor expansion of 4.0 in x
0.166 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.166 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.166 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.166 * [taylor]: Taking taylor expansion of 4.0 in x
0.166 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of -1.0 in y
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.172 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.172 * [taylor]: Taking taylor expansion of 0.5 in y
0.172 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.172 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.179 * [taylor]: Taking taylor expansion of 0 in y
0.180 * [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
0.180 * [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
0.180 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.180 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.180 * [taylor]: Taking taylor expansion of 4.0 in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.180 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.181 * [taylor]: Taking taylor expansion of x in y
0.181 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.181 * [taylor]: Taking taylor expansion of 4.0 in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.181 * [taylor]: Taking taylor expansion of y in y
0.183 * [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
0.183 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.184 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.184 * [taylor]: Taking taylor expansion of 4.0 in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.184 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.184 * [taylor]: Taking taylor expansion of y in x
0.184 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.184 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.184 * [taylor]: Taking taylor expansion of x in x
0.185 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.185 * [taylor]: Taking taylor expansion of 4.0 in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.185 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.185 * [taylor]: Taking taylor expansion of y in x
0.186 * [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
0.186 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.186 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.186 * [taylor]: Taking taylor expansion of 4.0 in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.186 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.186 * [taylor]: Taking taylor expansion of y in x
0.186 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.186 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.187 * [taylor]: Taking taylor expansion of 4.0 in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.188 * [taylor]: Taking taylor expansion of 1 in y
0.190 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [taylor]: Taking taylor expansion of (- (* 8.0 (/ 1 (pow y 2)))) in y
0.193 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.193 * [taylor]: Taking taylor expansion of 8.0 in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.193 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.201 * [taylor]: Taking taylor expansion of 0 in y
0.202 * [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
0.202 * [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
0.202 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.202 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.202 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.202 * [taylor]: Taking taylor expansion of x in y
0.202 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.202 * [taylor]: Taking taylor expansion of 4.0 in y
0.202 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.202 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.202 * [taylor]: Taking taylor expansion of y in y
0.202 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.202 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.202 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.202 * [taylor]: Taking taylor expansion of x in y
0.203 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.203 * [taylor]: Taking taylor expansion of 4.0 in y
0.203 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.203 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.203 * [taylor]: Taking taylor expansion of y in y
0.205 * [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
0.205 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.205 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.205 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.206 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.206 * [taylor]: Taking taylor expansion of 4.0 in x
0.206 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.206 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.206 * [taylor]: Taking taylor expansion of y in x
0.206 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.206 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.206 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.206 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.207 * [taylor]: Taking taylor expansion of 4.0 in x
0.207 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.207 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.208 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.208 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.208 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.208 * [taylor]: Taking taylor expansion of 4.0 in x
0.208 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.208 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.208 * [taylor]: Taking taylor expansion of y in x
0.209 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 (/ 1 (pow y 2))) in x
0.209 * [taylor]: Taking taylor expansion of 4.0 in x
0.209 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) 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 1 in y
0.212 * [taylor]: Taking taylor expansion of 0 in y
0.215 * [taylor]: Taking taylor expansion of (- (* 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
0.223 * [taylor]: Taking taylor expansion of 0 in y
0.223 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.224 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.224 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.224 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.224 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.224 * [taylor]: Taking taylor expansion of 4.0 in y
0.224 * [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 (- (pow x 2) (* 4.0 (pow y 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 (pow y 2)) in x
0.224 * [taylor]: Taking taylor expansion of 4.0 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 (- (pow x 2) (* 4.0 (pow y 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 (pow y 2)) in x
0.224 * [taylor]: Taking taylor expansion of 4.0 in x
0.224 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.224 * [taylor]: Taking taylor expansion of y in x
0.225 * [taylor]: Taking taylor expansion of (- (* 4.0 (pow y 2))) in y
0.225 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.225 * [taylor]: Taking taylor expansion of 4.0 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
0.227 * [taylor]: Taking taylor expansion of 1 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.234 * [taylor]: Taking taylor expansion of 0 in y
0.235 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.235 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.235 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.235 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.235 * [taylor]: Taking taylor expansion of x 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 (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.235 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.235 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.236 * [taylor]: Taking taylor expansion of 4.0 in x
0.236 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.236 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.236 * [taylor]: Taking taylor expansion of y in x
0.236 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.236 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.236 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.236 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.237 * [taylor]: Taking taylor expansion of 4.0 in x
0.237 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.237 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.237 * [taylor]: Taking taylor expansion of 1 in y
0.238 * [taylor]: Taking taylor expansion of 0 in y
0.239 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (pow y 2)))) in y
0.239 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.239 * [taylor]: Taking taylor expansion of 4.0 in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.240 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.240 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of 0 in y
0.247 * [taylor]: Taking taylor expansion of 0 in y
0.252 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.252 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.252 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.252 * [taylor]: Taking taylor expansion of x in y
0.252 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.252 * [taylor]: Taking taylor expansion of 4.0 in y
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.252 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.252 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.253 * [taylor]: Taking taylor expansion of 4.0 in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.253 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.254 * [taylor]: Taking taylor expansion of 4.0 in x
0.254 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.254 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.254 * [taylor]: Taking taylor expansion of y in x
0.254 * [taylor]: Taking taylor expansion of 1 in y
0.255 * [taylor]: Taking taylor expansion of 0 in y
0.257 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (pow y 2)))) in y
0.257 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.257 * [taylor]: Taking taylor expansion of 4.0 in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.257 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.266 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.266 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.266 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.266 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.266 * [taylor]: Taking taylor expansion of x in y
0.266 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.266 * [taylor]: Taking taylor expansion of 4.0 in y
0.266 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.267 * [taylor]: Taking taylor expansion of 4.0 in x
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.267 * [taylor]: Taking taylor expansion of 4.0 in x
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.267 * [taylor]: Taking taylor expansion of 4.0 in y
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.269 * [taylor]: Taking taylor expansion of 1 in y
0.271 * [taylor]: Taking taylor expansion of 0 in y
0.274 * [taylor]: Taking taylor expansion of 0 in y
0.275 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.275 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.275 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.275 * [taylor]: Taking taylor expansion of x in y
0.275 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.275 * [taylor]: Taking taylor expansion of 4.0 in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.275 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.276 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.276 * [taylor]: Taking taylor expansion of 4.0 in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.276 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.276 * [taylor]: Taking taylor expansion of y in x
0.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.277 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.277 * [taylor]: Taking taylor expansion of 4.0 in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.277 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.277 * [taylor]: Taking taylor expansion of y in x
0.278 * [taylor]: Taking taylor expansion of 1 in y
0.279 * [taylor]: Taking taylor expansion of 0 in y
0.280 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.280 * [taylor]: Taking taylor expansion of 4.0 in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.280 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.283 * [taylor]: Taking taylor expansion of 0 in y
0.287 * [taylor]: Taking taylor expansion of 0 in y
0.289 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.289 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.289 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.289 * [taylor]: Taking taylor expansion of x in y
0.289 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.289 * [taylor]: Taking taylor expansion of 4.0 in y
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.289 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.289 * [taylor]: Taking taylor expansion of y in y
0.289 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.289 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.290 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.290 * [taylor]: Taking taylor expansion of 4.0 in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.290 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.290 * [taylor]: Taking taylor expansion of y in x
0.290 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.290 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.291 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.291 * [taylor]: Taking taylor expansion of 4.0 in x
0.291 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.291 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.291 * [taylor]: Taking taylor expansion of y in x
0.291 * [taylor]: Taking taylor expansion of 1 in y
0.292 * [taylor]: Taking taylor expansion of 0 in y
0.293 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.293 * [taylor]: Taking taylor expansion of 4.0 in y
0.293 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.293 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.293 * [taylor]: Taking taylor expansion of y in y
0.296 * [taylor]: Taking taylor expansion of 0 in y
0.300 * [taylor]: Taking taylor expansion of 0 in y
0.301 * * * [progress]: simplifying candidates
0.302 * [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))))
  (- (- (* x x) (* (* 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)))
  (/ (* (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))))
  (- (* (* y 4.0) y))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))
  (+ (* x x) (* (* y 4.0) y))
  (- (* (* 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)))
0.306 * * [simplify]: iteration  0 :  87  enodes  (cost  1404 )
0.321 * * [simplify]: iteration  1 :  232  enodes  (cost  1375 )
0.390 * * [simplify]: iteration  2 :  792  enodes  (cost  1233 )
0.761 * * [simplify]: iteration  3 :  3507  enodes  (cost  1226 )
1.904 * * [simplify]: iteration  done :  5001  enodes  (cost  1226 )
1.905 * [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))
  (- (+ (* 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 4.0)) y)))
  (* (+ (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)) (pow x 4)) (+ (* 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))
  (+ (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)) (pow x 4))
  (- (* 4.0 (pow y 2)))
  (- (pow x 4) (* (* (pow y 3) (* 4.0 4.0)) y))
  (+ (pow x 2) (* (* y 4.0) y))
  (- (* 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 4.0)) y))
  (- (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))
1.905 * * * [progress]: adding candidates to table
2.066 * * [progress]: iteration 2 / 4
2.066 * * * [progress]: picking best candidate
2.073 * * * * [pick]: Picked  #<alt (λ (x y) -1.0)>
2.073 * * * [progress]: localizing error
2.074 * * * [progress]: generating rewritten candidates
2.074 * * * [progress]: generating series expansions
2.074 * * * [progress]: simplifying candidates
2.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
2.075 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.075 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
2.075 * [simplify]: Simplified to:
   
2.075 * * * [progress]: adding candidates to table
2.075 * * [progress]: iteration 3 / 4
2.075 * * * [progress]: picking best candidate
2.082 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
2.082 * * * [progress]: localizing error
2.082 * * * [progress]: generating rewritten candidates
2.083 * * * [progress]: generating series expansions
2.083 * * * [progress]: simplifying candidates
2.083 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
2.084 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.084 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
2.084 * [simplify]: Simplified to:
   
2.084 * * * [progress]: adding candidates to table
2.084 * * [progress]: iteration 4 / 4
2.084 * * * [progress]: picking best candidate
2.090 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>
2.090 * * * [progress]: localizing error
2.099 * * * [progress]: generating rewritten candidates
2.099 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1)
2.106 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2)
2.117 * * * * [progress]: [ 3 / 4 ] rewriting at (2)
2.154 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 2)
2.159 * * * [progress]: generating series expansions
2.159 * * * * [progress]: [ 1 / 4 ] generating series at (2 1)
2.159 * [approximate]: Taking taylor expansion of (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in (x y) around 0
2.159 * [taylor]: Taking taylor expansion of (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.159 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.159 * [taylor]: Taking taylor expansion of x in y
2.159 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.159 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.159 * [taylor]: Taking taylor expansion of x in y
2.159 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.160 * [taylor]: Taking taylor expansion of 4.0 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 (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.160 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.160 * [taylor]: Taking taylor expansion of x in x
2.160 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.160 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.160 * [taylor]: Taking taylor expansion of x in x
2.160 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.160 * [taylor]: Taking taylor expansion of 4.0 in x
2.160 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.160 * [taylor]: Taking taylor expansion of y in x
2.161 * [taylor]: Taking taylor expansion of (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.161 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.161 * [taylor]: Taking taylor expansion of x in x
2.161 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.161 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.161 * [taylor]: Taking taylor expansion of x in x
2.161 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.161 * [taylor]: Taking taylor expansion of 4.0 in x
2.161 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.161 * [taylor]: Taking taylor expansion of y in x
2.162 * [taylor]: Taking taylor expansion of (/ 0.25 (pow y 2)) in y
2.162 * [taylor]: Taking taylor expansion of 0.25 in y
2.162 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.162 * [taylor]: Taking taylor expansion of y in y
2.166 * [taylor]: Taking taylor expansion of 0 in y
2.169 * [taylor]: Taking taylor expansion of (- (* 0.0625 (/ 1 (pow y 4)))) in y
2.169 * [taylor]: Taking taylor expansion of (* 0.0625 (/ 1 (pow y 4))) in y
2.169 * [taylor]: Taking taylor expansion of 0.0625 in y
2.169 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
2.169 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.169 * [taylor]: Taking taylor expansion of y in y
2.178 * [approximate]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in (x y) around 0
2.178 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in y
2.178 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
2.178 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.178 * [taylor]: Taking taylor expansion of x in y
2.178 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.178 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.178 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.178 * [taylor]: Taking taylor expansion of x in y
2.179 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.179 * [taylor]: Taking taylor expansion of 4.0 in y
2.179 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.179 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.179 * [taylor]: Taking taylor expansion of y in y
2.180 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.180 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.180 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.180 * [taylor]: Taking taylor expansion of x in x
2.180 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.180 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.180 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.180 * [taylor]: Taking taylor expansion of x in x
2.180 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.181 * [taylor]: Taking taylor expansion of 4.0 in x
2.181 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.181 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.181 * [taylor]: Taking taylor expansion of y in x
2.182 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.182 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.182 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.182 * [taylor]: Taking taylor expansion of x in x
2.182 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.182 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.182 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.182 * [taylor]: Taking taylor expansion of x in x
2.182 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.182 * [taylor]: Taking taylor expansion of 4.0 in x
2.182 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.182 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.182 * [taylor]: Taking taylor expansion of y in x
2.183 * [taylor]: Taking taylor expansion of 1 in y
2.185 * [taylor]: Taking taylor expansion of 0 in y
2.188 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (pow y 2)))) in y
2.188 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.188 * [taylor]: Taking taylor expansion of 4.0 in y
2.188 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.188 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.188 * [taylor]: Taking taylor expansion of y in y
2.194 * [approximate]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in (x y) around 0
2.194 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in y
2.194 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
2.194 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.194 * [taylor]: Taking taylor expansion of x in y
2.194 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.194 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.194 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.194 * [taylor]: Taking taylor expansion of x in y
2.194 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.194 * [taylor]: Taking taylor expansion of 4.0 in y
2.194 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.194 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.194 * [taylor]: Taking taylor expansion of y in y
2.196 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.196 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.196 * [taylor]: Taking taylor expansion of x in x
2.196 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.196 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.196 * [taylor]: Taking taylor expansion of x in x
2.196 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.196 * [taylor]: Taking taylor expansion of 4.0 in x
2.196 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.196 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.196 * [taylor]: Taking taylor expansion of y in x
2.197 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.197 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.197 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.197 * [taylor]: Taking taylor expansion of x in x
2.198 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.198 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.198 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.198 * [taylor]: Taking taylor expansion of x in x
2.198 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.198 * [taylor]: Taking taylor expansion of 4.0 in x
2.198 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.198 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.198 * [taylor]: Taking taylor expansion of y in x
2.199 * [taylor]: Taking taylor expansion of 1 in y
2.201 * [taylor]: Taking taylor expansion of 0 in y
2.204 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (pow y 2)))) in y
2.204 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.204 * [taylor]: Taking taylor expansion of 4.0 in y
2.204 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.204 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.204 * [taylor]: Taking taylor expansion of y in y
2.209 * * * * [progress]: [ 2 / 4 ] generating series at (2 2)
2.210 * [approximate]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in (y x) around 0
2.210 * [taylor]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in x
2.210 * [taylor]: Taking taylor expansion of 4.0 in x
2.210 * [taylor]: Taking taylor expansion of (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.210 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.210 * [taylor]: Taking taylor expansion of y in x
2.210 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.210 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.210 * [taylor]: Taking taylor expansion of x in x
2.210 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.210 * [taylor]: Taking taylor expansion of 4.0 in x
2.210 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.210 * [taylor]: Taking taylor expansion of y in x
2.210 * [taylor]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in y
2.210 * [taylor]: Taking taylor expansion of 4.0 in y
2.210 * [taylor]: Taking taylor expansion of (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.210 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.210 * [taylor]: Taking taylor expansion of y in y
2.210 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.210 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.210 * [taylor]: Taking taylor expansion of x in y
2.210 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.210 * [taylor]: Taking taylor expansion of 4.0 in y
2.210 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.210 * [taylor]: Taking taylor expansion of y in y
2.211 * [taylor]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in y
2.211 * [taylor]: Taking taylor expansion of 4.0 in y
2.211 * [taylor]: Taking taylor expansion of (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.211 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.211 * [taylor]: Taking taylor expansion of y in y
2.211 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.211 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.211 * [taylor]: Taking taylor expansion of x in y
2.211 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.211 * [taylor]: Taking taylor expansion of 4.0 in y
2.211 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.211 * [taylor]: Taking taylor expansion of y in y
2.212 * [taylor]: Taking taylor expansion of (/ 4.0 (pow x 2)) in x
2.212 * [taylor]: Taking taylor expansion of 4.0 in x
2.212 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.212 * [taylor]: Taking taylor expansion of x in x
2.218 * [taylor]: Taking taylor expansion of 0 in x
2.222 * [taylor]: Taking taylor expansion of (- (* 16.0 (/ 1 (pow x 4)))) in x
2.222 * [taylor]: Taking taylor expansion of (* 16.0 (/ 1 (pow x 4))) in x
2.222 * [taylor]: Taking taylor expansion of 16.0 in x
2.222 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
2.222 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.222 * [taylor]: Taking taylor expansion of x in x
2.231 * [approximate]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in (y x) around 0
2.231 * [taylor]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in x
2.231 * [taylor]: Taking taylor expansion of 4.0 in x
2.231 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in x
2.231 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.231 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.231 * [taylor]: Taking taylor expansion of x in x
2.232 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.232 * [taylor]: Taking taylor expansion of 4.0 in x
2.232 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.232 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.232 * [taylor]: Taking taylor expansion of y in x
2.232 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.232 * [taylor]: Taking taylor expansion of y in x
2.232 * [taylor]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in y
2.232 * [taylor]: Taking taylor expansion of 4.0 in y
2.232 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in y
2.232 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.232 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.232 * [taylor]: Taking taylor expansion of x in y
2.233 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.233 * [taylor]: Taking taylor expansion of 4.0 in y
2.233 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.233 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.233 * [taylor]: Taking taylor expansion of y in y
2.233 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.233 * [taylor]: Taking taylor expansion of y in y
2.235 * [taylor]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in y
2.235 * [taylor]: Taking taylor expansion of 4.0 in y
2.235 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in y
2.235 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.235 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.235 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.235 * [taylor]: Taking taylor expansion of x in y
2.235 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.235 * [taylor]: Taking taylor expansion of 4.0 in y
2.235 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.235 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.235 * [taylor]: Taking taylor expansion of y in y
2.235 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.235 * [taylor]: Taking taylor expansion of y in y
2.237 * [taylor]: Taking taylor expansion of 1.0 in x
2.239 * [taylor]: Taking taylor expansion of 0 in x
2.243 * [taylor]: Taking taylor expansion of (- (* 0.25 (/ 1 (pow x 2)))) in x
2.243 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
2.243 * [taylor]: Taking taylor expansion of 0.25 in x
2.243 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.243 * [taylor]: Taking taylor expansion of x in x
2.248 * [approximate]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in (y x) around 0
2.249 * [taylor]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in x
2.249 * [taylor]: Taking taylor expansion of 4.0 in x
2.249 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in x
2.249 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.249 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.249 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.249 * [taylor]: Taking taylor expansion of x in x
2.249 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.249 * [taylor]: Taking taylor expansion of 4.0 in x
2.249 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.249 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.249 * [taylor]: Taking taylor expansion of y in x
2.249 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.249 * [taylor]: Taking taylor expansion of y in x
2.250 * [taylor]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in y
2.250 * [taylor]: Taking taylor expansion of 4.0 in y
2.250 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in y
2.250 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.250 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.250 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.250 * [taylor]: Taking taylor expansion of x in y
2.250 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.250 * [taylor]: Taking taylor expansion of 4.0 in y
2.250 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.250 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.250 * [taylor]: Taking taylor expansion of y in y
2.251 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.251 * [taylor]: Taking taylor expansion of y in y
2.252 * [taylor]: Taking taylor expansion of (/ 4.0 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in y
2.252 * [taylor]: Taking taylor expansion of 4.0 in y
2.252 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in y
2.252 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.252 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.252 * [taylor]: Taking taylor expansion of x in y
2.252 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.252 * [taylor]: Taking taylor expansion of 4.0 in y
2.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.252 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.252 * [taylor]: Taking taylor expansion of y in y
2.253 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.253 * [taylor]: Taking taylor expansion of y in y
2.254 * [taylor]: Taking taylor expansion of 1.0 in x
2.257 * [taylor]: Taking taylor expansion of 0 in x
2.260 * [taylor]: Taking taylor expansion of (- (* 0.25 (/ 1 (pow x 2)))) in x
2.260 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
2.260 * [taylor]: Taking taylor expansion of 0.25 in x
2.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.260 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.260 * [taylor]: Taking taylor expansion of x in x
2.266 * * * * [progress]: [ 3 / 4 ] generating series at (2)
2.266 * [approximate]: Taking taylor expansion of (- (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))))) in (x y) around 0
2.266 * [taylor]: Taking taylor expansion of (- (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))))) in y
2.266 * [taylor]: Taking taylor expansion of (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.266 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.266 * [taylor]: Taking taylor expansion of x in y
2.266 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.266 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.266 * [taylor]: Taking taylor expansion of x in y
2.266 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.267 * [taylor]: Taking taylor expansion of 4.0 in y
2.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.267 * [taylor]: Taking taylor expansion of y in y
2.267 * [taylor]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in y
2.267 * [taylor]: Taking taylor expansion of 4.0 in y
2.267 * [taylor]: Taking taylor expansion of (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
2.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.267 * [taylor]: Taking taylor expansion of y in y
2.267 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.267 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.267 * [taylor]: Taking taylor expansion of x in y
2.267 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.267 * [taylor]: Taking taylor expansion of 4.0 in y
2.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.267 * [taylor]: Taking taylor expansion of y in y
2.268 * [taylor]: Taking taylor expansion of (- (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))))) in x
2.268 * [taylor]: Taking taylor expansion of (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.268 * [taylor]: Taking taylor expansion of x in x
2.268 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.268 * [taylor]: Taking taylor expansion of x in x
2.268 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.268 * [taylor]: Taking taylor expansion of 4.0 in x
2.268 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.268 * [taylor]: Taking taylor expansion of y in x
2.268 * [taylor]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in x
2.268 * [taylor]: Taking taylor expansion of 4.0 in x
2.268 * [taylor]: Taking taylor expansion of (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.268 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.268 * [taylor]: Taking taylor expansion of y in x
2.269 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.269 * [taylor]: Taking taylor expansion of 4.0 in x
2.269 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.269 * [taylor]: Taking taylor expansion of y in x
2.269 * [taylor]: Taking taylor expansion of (- (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))))) in x
2.269 * [taylor]: Taking taylor expansion of (/ (pow x 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.269 * [taylor]: Taking taylor expansion of 4.0 in x
2.269 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.269 * [taylor]: Taking taylor expansion of y in x
2.270 * [taylor]: Taking taylor expansion of (* 4.0 (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2))))) in x
2.270 * [taylor]: Taking taylor expansion of 4.0 in x
2.270 * [taylor]: Taking taylor expansion of (/ (pow y 2) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
2.270 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.270 * [taylor]: Taking taylor expansion of y in x
2.270 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.270 * [taylor]: Taking taylor expansion of x in x
2.270 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.270 * [taylor]: Taking taylor expansion of 4.0 in x
2.270 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.270 * [taylor]: Taking taylor expansion of y in x
2.271 * [taylor]: Taking taylor expansion of (- 1.0) in y
2.271 * [taylor]: Taking taylor expansion of 1.0 in y
2.274 * [taylor]: Taking taylor expansion of 0 in y
2.277 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
2.277 * [taylor]: Taking taylor expansion of 0.5 in y
2.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.277 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.277 * [taylor]: Taking taylor expansion of y in y
2.285 * [taylor]: Taking taylor expansion of 0 in y
2.286 * [approximate]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in (x y) around 0
2.286 * [taylor]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in y
2.286 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in y
2.286 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
2.286 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.286 * [taylor]: Taking taylor expansion of x in y
2.286 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.286 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.286 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.286 * [taylor]: Taking taylor expansion of x in y
2.286 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.286 * [taylor]: Taking taylor expansion of 4.0 in y
2.286 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.286 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.286 * [taylor]: Taking taylor expansion of y in y
2.287 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)))) in y
2.287 * [taylor]: Taking taylor expansion of 4.0 in y
2.287 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in y
2.287 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in y
2.287 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.287 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.287 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.287 * [taylor]: Taking taylor expansion of x in y
2.288 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.288 * [taylor]: Taking taylor expansion of 4.0 in y
2.288 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.288 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.288 * [taylor]: Taking taylor expansion of y in y
2.288 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.288 * [taylor]: Taking taylor expansion of y in y
2.290 * [taylor]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in x
2.290 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.290 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.290 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.290 * [taylor]: Taking taylor expansion of x in x
2.290 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.290 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.290 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.290 * [taylor]: Taking taylor expansion of x in x
2.290 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.290 * [taylor]: Taking taylor expansion of 4.0 in x
2.290 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.290 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.290 * [taylor]: Taking taylor expansion of y in x
2.291 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)))) in x
2.291 * [taylor]: Taking taylor expansion of 4.0 in x
2.291 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in x
2.291 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in x
2.291 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.291 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.291 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.291 * [taylor]: Taking taylor expansion of x in x
2.292 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.292 * [taylor]: Taking taylor expansion of 4.0 in x
2.292 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.292 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.292 * [taylor]: Taking taylor expansion of y in x
2.292 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.292 * [taylor]: Taking taylor expansion of y in x
2.293 * [taylor]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in x
2.293 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.293 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.293 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.293 * [taylor]: Taking taylor expansion of x in x
2.293 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.293 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.293 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.293 * [taylor]: Taking taylor expansion of x in x
2.293 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.293 * [taylor]: Taking taylor expansion of 4.0 in x
2.293 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.293 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.293 * [taylor]: Taking taylor expansion of y in x
2.294 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)))) in x
2.294 * [taylor]: Taking taylor expansion of 4.0 in x
2.294 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in x
2.294 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in x
2.294 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.294 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.294 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.294 * [taylor]: Taking taylor expansion of x in x
2.295 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.295 * [taylor]: Taking taylor expansion of 4.0 in x
2.295 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.295 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.295 * [taylor]: Taking taylor expansion of y in x
2.295 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.295 * [taylor]: Taking taylor expansion of y in x
2.296 * [taylor]: Taking taylor expansion of 1 in y
2.298 * [taylor]: Taking taylor expansion of 0 in y
2.304 * [taylor]: Taking taylor expansion of (- (* 8.0 (/ 1 (pow y 2)))) in y
2.304 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.304 * [taylor]: Taking taylor expansion of 8.0 in y
2.304 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.304 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.304 * [taylor]: Taking taylor expansion of y in y
2.313 * [taylor]: Taking taylor expansion of 0 in y
2.314 * [approximate]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in (x y) around 0
2.314 * [taylor]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in y
2.314 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in y
2.314 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
2.314 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.314 * [taylor]: Taking taylor expansion of x in y
2.314 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.314 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.314 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.314 * [taylor]: Taking taylor expansion of x in y
2.314 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.314 * [taylor]: Taking taylor expansion of 4.0 in y
2.314 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.314 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.314 * [taylor]: Taking taylor expansion of y in y
2.315 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)))) in y
2.315 * [taylor]: Taking taylor expansion of 4.0 in y
2.315 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in y
2.315 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in y
2.315 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.315 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.315 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.315 * [taylor]: Taking taylor expansion of x in y
2.316 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.316 * [taylor]: Taking taylor expansion of 4.0 in y
2.316 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.316 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.316 * [taylor]: Taking taylor expansion of y in y
2.316 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.316 * [taylor]: Taking taylor expansion of y in y
2.318 * [taylor]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in x
2.318 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.318 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.318 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.318 * [taylor]: Taking taylor expansion of x in x
2.318 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.318 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.318 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.318 * [taylor]: Taking taylor expansion of x in x
2.318 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.318 * [taylor]: Taking taylor expansion of 4.0 in x
2.318 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.318 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.318 * [taylor]: Taking taylor expansion of y in x
2.319 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)))) in x
2.319 * [taylor]: Taking taylor expansion of 4.0 in x
2.320 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in x
2.320 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in x
2.320 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.320 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.320 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.320 * [taylor]: Taking taylor expansion of x in x
2.320 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.320 * [taylor]: Taking taylor expansion of 4.0 in x
2.320 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.320 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.320 * [taylor]: Taking taylor expansion of y in x
2.320 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.320 * [taylor]: Taking taylor expansion of y in x
2.321 * [taylor]: Taking taylor expansion of (- (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))))) in x
2.321 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))))) in x
2.321 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
2.321 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.321 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.321 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.321 * [taylor]: Taking taylor expansion of 4.0 in x
2.321 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.321 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.321 * [taylor]: Taking taylor expansion of y in x
2.323 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)))) in x
2.323 * [taylor]: Taking taylor expansion of 4.0 in x
2.323 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2))) in x
2.323 * [taylor]: Taking taylor expansion of (* (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (pow y 2)) in x
2.323 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.323 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.323 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.323 * [taylor]: Taking taylor expansion of x in x
2.323 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.323 * [taylor]: Taking taylor expansion of 4.0 in x
2.323 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.323 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.323 * [taylor]: Taking taylor expansion of y in x
2.323 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.323 * [taylor]: Taking taylor expansion of y in x
2.324 * [taylor]: Taking taylor expansion of 1 in y
2.327 * [taylor]: Taking taylor expansion of 0 in y
2.330 * [taylor]: Taking taylor expansion of (- (* 8.0 (/ 1 (pow y 2)))) in y
2.330 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
2.330 * [taylor]: Taking taylor expansion of 8.0 in y
2.330 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.330 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.330 * [taylor]: Taking taylor expansion of y in y
2.339 * [taylor]: Taking taylor expansion of 0 in y
2.339 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 2)
2.340 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
2.340 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
2.340 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.340 * [taylor]: Taking taylor expansion of x in y
2.340 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.340 * [taylor]: Taking taylor expansion of 4.0 in y
2.340 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.340 * [taylor]: Taking taylor expansion of y in y
2.340 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.340 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.340 * [taylor]: Taking taylor expansion of x in x
2.340 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.340 * [taylor]: Taking taylor expansion of 4.0 in x
2.340 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.340 * [taylor]: Taking taylor expansion of y in x
2.340 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
2.340 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.340 * [taylor]: Taking taylor expansion of x in x
2.340 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
2.340 * [taylor]: Taking taylor expansion of 4.0 in x
2.340 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.340 * [taylor]: Taking taylor expansion of y in x
2.340 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
2.340 * [taylor]: Taking taylor expansion of 4.0 in y
2.340 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.340 * [taylor]: Taking taylor expansion of y in y
2.341 * [taylor]: Taking taylor expansion of 0 in y
2.342 * [taylor]: Taking taylor expansion of 1 in y
2.345 * [taylor]: Taking taylor expansion of 0 in y
2.348 * [taylor]: Taking taylor expansion of 0 in y
2.348 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.348 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.348 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.348 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.348 * [taylor]: Taking taylor expansion of x in y
2.348 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.348 * [taylor]: Taking taylor expansion of 4.0 in y
2.348 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.348 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.348 * [taylor]: Taking taylor expansion of y in y
2.349 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.349 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.349 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.349 * [taylor]: Taking taylor expansion of x in x
2.349 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.350 * [taylor]: Taking taylor expansion of 4.0 in x
2.350 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.350 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.350 * [taylor]: Taking taylor expansion of y in x
2.350 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.350 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.350 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.350 * [taylor]: Taking taylor expansion of x in x
2.350 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.350 * [taylor]: Taking taylor expansion of 4.0 in x
2.350 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.350 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.350 * [taylor]: Taking taylor expansion of y in x
2.351 * [taylor]: Taking taylor expansion of 1 in y
2.352 * [taylor]: Taking taylor expansion of 0 in y
2.353 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.353 * [taylor]: Taking taylor expansion of 4.0 in y
2.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.353 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.353 * [taylor]: Taking taylor expansion of y in y
2.356 * [taylor]: Taking taylor expansion of 0 in y
2.359 * [taylor]: Taking taylor expansion of 0 in y
2.361 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
2.361 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
2.361 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.362 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.362 * [taylor]: Taking taylor expansion of x in y
2.362 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.362 * [taylor]: Taking taylor expansion of 4.0 in y
2.362 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.362 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.362 * [taylor]: Taking taylor expansion of y in y
2.362 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.362 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.362 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.362 * [taylor]: Taking taylor expansion of x in x
2.363 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.363 * [taylor]: Taking taylor expansion of 4.0 in x
2.363 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.363 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.363 * [taylor]: Taking taylor expansion of y in x
2.363 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
2.363 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.363 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.363 * [taylor]: Taking taylor expansion of x in x
2.364 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
2.364 * [taylor]: Taking taylor expansion of 4.0 in x
2.364 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.364 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.364 * [taylor]: Taking taylor expansion of y in x
2.364 * [taylor]: Taking taylor expansion of 1 in y
2.365 * [taylor]: Taking taylor expansion of 0 in y
2.366 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
2.366 * [taylor]: Taking taylor expansion of 4.0 in y
2.366 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.366 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.366 * [taylor]: Taking taylor expansion of y in y
2.370 * [taylor]: Taking taylor expansion of 0 in y
2.374 * [taylor]: Taking taylor expansion of 0 in y
2.376 * * * [progress]: simplifying candidates
2.378 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (log x) (log x)) (log (+ (* x x) (* (* y 4.0) y))))
  (- (log (* x x)) (log (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (* x x) x) (* (* x x) x)) (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (* x x) (* x x)) (* x x)) (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (* (* (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (- (* x x))
  (- (+ (* x x) (* (* y 4.0) y)))
  (/ x (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ x (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ x (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ x (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ x 1)
  (/ x (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ (+ (* x x) (* (* y 4.0) y)) (* x x))
  (/ (* x x) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (* x x) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* x x) 1)
  (/ (+ (* x x) (* (* y 4.0) y)) x)
  (/ (* x x) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3)))
  (/ (* x x) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y))))
  (- (+ (+ (log y) (log 4.0)) (log y)) (log (+ (* x x) (* (* y 4.0) y))))
  (- (+ (log (* y 4.0)) (log y)) (log (+ (* x x) (* (* y 4.0) y))))
  (- (log (* (* y 4.0) y)) (log (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (* (* y y) y) (* (* 4.0 4.0) 4.0)) (* (* y y) y)) (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (* (* y 4.0) (* y 4.0)) (* y 4.0)) (* (* y y) y)) (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (* (* y 4.0) y) (* (* 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))))
  (* (cbrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (* (* (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (- (* (* y 4.0) y))
  (- (+ (* x x) (* (* y 4.0) y)))
  (/ (* y 4.0) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ y (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* y 4.0) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ y (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* y 4.0) 1)
  (/ y (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y))
  (/ (* (* y 4.0) y) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (* (* y 4.0) y) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* y 4.0) y) 1)
  (/ (+ (* x x) (* (* y 4.0) y)) y)
  (/ (* (* y 4.0) y) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3)))
  (/ (* (* y 4.0) y) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y))))
  (/ (exp (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (exp (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (log (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (exp (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (* (cbrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (cbrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))))
  (cbrt (- (/ (* 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) (+ (* 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)))))
  (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (sqrt (- (/ (* 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) (+ (* x x) (* (* y 4.0) y))) (* (+ (* x x) (* (* y 4.0) y)) (* (* y 4.0) y)))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (- (pow (/ (* x x) (+ (* x x) (* (* y 4.0) y))) 3) (pow (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) 3))
  (+ (* (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (+ (* (/ (* (* y 4.0) y) (+ (* 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))))))
  (- (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (- (* (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (* (/ (* (* y 4.0) y) (+ (* 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))))
  (+ (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (- (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (+ (/ x (sqrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (- (/ x (sqrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* 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) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3))) (/ (* (* y 4.0) y) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3))))
  (- (/ (* x x) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))) (/ (* (* y 4.0) y) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))))
  (- (/ (* (* 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))))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))
  (- (* x x) (* (* y 4.0) y))
  0
  0
  0
  0
  0
  0
  (- 1.0)
  1
  1
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
2.384 * * [simplify]: iteration  0 :  142  enodes  (cost  2132 )
2.418 * * [simplify]: iteration  1 :  386  enodes  (cost  2013 )
2.530 * * [simplify]: iteration  2 :  1539  enodes  (cost  1747 )
2.906 * * [simplify]: iteration  done :  5000  enodes  (cost  1747 )
2.907 * [simplify]: Simplified to:
   (log (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (pow (/ (* x x) (+ (* x x) (* (* y 4.0) y))) 3)
  (pow (/ (* x x) (+ (* x x) (* (* y 4.0) y))) 3)
  (* (cbrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (pow (/ (* x x) (+ (* x x) (* (* y 4.0) y))) 3)
  (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y))))
  (- (* x x))
  (- (+ (* x x) (* (* y 4.0) y)))
  (/ x (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ x (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ x (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ x (sqrt (+ (* x x) (* (* y 4.0) y))))
  x
  (/ x (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ (+ (* x x) (* (* y 4.0) y)) (* x x))
  (/ (* x x) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (* x x) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (* x x)
  (/ (+ (* x x) (* (* y 4.0) y)) x)
  (/ (* x x) (+ (pow x 6) (pow (* 4.0 (pow y 2)) 3)))
  (/ (* x x) (- (pow x 4) (* y (* (* 4.0 4.0) (pow y 3)))))
  (log (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (log (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (pow (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) 3)
  (pow (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) 3)
  (pow (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) 3)
  (* (cbrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (pow (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) 3)
  (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (- (* (* y 4.0) y))
  (- (+ (* x x) (* (* y 4.0) y)))
  (/ (* y 4.0) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ y (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* y 4.0) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ y (sqrt (+ (* 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) (* (* y 4.0) y)) (* (* y 4.0) y))
  (/ (* (* y 4.0) y) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (* (* y 4.0) y) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (* 4.0 (pow y 2))
  (/ (+ (* x x) (* (* y 4.0) y)) y)
  (/ (* 4.0 (pow y 2)) (+ (pow x 6) (pow (* 4.0 (pow y 2)) 3)))
  (/ y (/ (- (pow x 4) (* y (* (* 4.0 4.0) (pow y 3)))) (* y 4.0)))
  (exp (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (log (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (exp (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (* (cbrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (cbrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))))
  (cbrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (pow (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) 3)
  (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (- (* x x) (* (* y 4.0) y))
  (- (pow x 4) (* y (* (* 4.0 4.0) (pow y 3))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (- (pow (/ (* x x) (+ (* x x) (* (* y 4.0) y))) 3) (pow (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))) 3))
  (+ (/ (pow x 4) (* (+ (* x x) (* (* y 4.0) y)) (+ (* 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))))))
  (- (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (- (/ (pow x 4) (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))) (/ (/ (* (* 4.0 4.0) (pow y 3)) (/ (+ (* x x) (* (* y 4.0) y)) 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))))
  (+ (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (- (sqrt (/ (* x x) (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (+ (/ x (sqrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))
  (- (/ x (sqrt (+ (* x x) (* (* y 4.0) y)))) (sqrt (/ (* (* 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) (+ (pow x 6) (pow (* 4.0 (pow y 2)) 3))) (/ (* 4.0 (pow y 2)) (+ (pow x 6) (pow (* 4.0 (pow y 2)) 3))))
  (- (/ (* x x) (- (pow x 4) (* y (* (* 4.0 4.0) (pow y 3))))) (/ y (/ (- (pow x 4) (* y (* (* 4.0 4.0) (pow y 3)))) (* y 4.0))))
  (- (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
  (exp (+ (* x x) (* (* y 4.0) y)))
  (log (+ (* x x) (* (* y 4.0) y)))
  (exp (+ (* x x) (* (* y 4.0) y)))
  (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (cbrt (+ (* x x) (* (* y 4.0) y)))
  (pow (+ (pow x 2) (* 4.0 (pow y 2))) 3)
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (sqrt (+ (* x x) (* (* y 4.0) y)))
  (+ (pow x 6) (pow (* 4.0 (pow y 2)) 3))
  (+ (* (* (* y 4.0) y) (- (* (* y 4.0) y) (* x x))) (pow x 4))
  (- (pow x 4) (* y (* (* 4.0 4.0) (pow y 3))))
  (- (* x x) (* (* y 4.0) y))
  0
  0
  0
  0
  0
  0
  (- 1.0)
  1
  1
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
  (+ (pow x 2) (* 4.0 (pow y 2)))
2.907 * * * [progress]: adding candidates to table
3.109 * [progress]: [Phase 3 of 3] Extracting.
3.109 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.110 * * * [regime-changes]: Trying 4 branch expressions: ((* (* y 4.0) y) (* x x) y x)
3.110 * * * * [regimes]: Trying to branch on (* (* y 4.0) y) from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.133 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.155 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.194 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.229 * * * [regime]: Found split indices: #<option (#s(si 2 36) #s(si 3 80) #s(si 0 184) #s(si 3 219) #s(si 2 255))>
3.230 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.347 * [regimes]: Found splitpoints: (#s(sp 2 x -1.1020932357029451e+154) #s(sp 3 x -7.055703835942177e-134) #s(sp 0 x 3.3095785565051797e-97) #s(sp 3 x 2.70835173311075e+105) #s(sp 2 x +nan.0)) , with alts (#<alt (λ (x y) -1.0)> #<alt (λ (x y) (* (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))) (sqrt (- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))))>)
3.348 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -1.1020932357029451e+154) 1 (if (<= x -7.055703835942177e-134) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) (if (<= x 3.3095785565051797e-97) -1.0 (if (<= x 2.70835173311075e+105) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) 1))))
3.348 * * [simplify]: iteration  0 :  25  enodes  (cost  81 )
3.349 * * [simplify]: iteration  1 :  30  enodes  (cost  81 )
3.350 * * [simplify]: iteration  done :  30  enodes  (cost  81 )
3.350 * [simplify]: Simplified to:
   (if (<= x -1.1020932357029451e+154) 1 (if (<= x -7.055703835942177e-134) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) (if (<= x 3.3095785565051797e-97) -1.0 (if (<= x 2.70835173311075e+105) (- (/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (* x x))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))) 1))))
4.008 * [regime-testing]: Baseline error score: 32.075251841610346
4.009 * [regime-testing]: Oracle error score: 0.379049403319012
4.010 * [regime-testing]: End program error score: 12.173101380767182
4.055 * [regime-testing]: Target error score: 32.085559609841106