8.213 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.038 * * [simplify]: iteration  0 :  22  enodes  (cost  7 )
0.040 * * [simplify]: iteration  1 :  48  enodes  (cost  7 )
0.041 * * [simplify]: iteration  2 :  104  enodes  (cost  7 )
0.044 * * [simplify]: iteration  3 :  196  enodes  (cost  7 )
0.047 * * [simplify]: iteration  4 :  359  enodes  (cost  7 )
0.053 * * [simplify]: iteration  5 :  686  enodes  (cost  7 )
0.064 * * [simplify]: iteration  6 :  1343  enodes  (cost  7 )
0.102 * * [simplify]: iteration  7 :  5001  enodes  (cost  7 )
0.103 * [simplify]: Simplified to:
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.103 * * [progress]: iteration 1 / 4
0.103 * * * [progress]: picking best candidate
0.105 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>
0.105 * * * [progress]: localizing error
0.114 * * * [progress]: generating rewritten candidates
0.114 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.127 * * * [progress]: generating series expansions
0.127 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.127 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.127 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.127 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.127 * [taylor]: Taking taylor expansion of (+ x y) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.127 * [taylor]: Taking taylor expansion of (- x y) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.127 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.127 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.128 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.128 * [taylor]: Taking taylor expansion of (+ x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (- x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.128 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.128 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.128 * [taylor]: Taking taylor expansion of (+ x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (- x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.128 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of -1 in y
0.129 * [taylor]: Taking taylor expansion of 0 in y
0.129 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.129 * [taylor]: Taking taylor expansion of 2 in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.129 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.130 * [approximate]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.130 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.130 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.130 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.131 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.131 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.131 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.132 * [taylor]: Taking taylor expansion of 1 in y
0.132 * [taylor]: Taking taylor expansion of 0 in y
0.132 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.133 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.133 * [taylor]: Taking taylor expansion of 2 in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.133 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [approximate]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.134 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.134 * [taylor]: Taking taylor expansion of -1 in y
0.134 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.134 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.134 * [taylor]: Taking taylor expansion of -1 in x
0.134 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.134 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.135 * [taylor]: Taking taylor expansion of -1 in x
0.135 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.135 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of 1 in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.136 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.136 * [taylor]: Taking taylor expansion of 2 in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * * * [progress]: simplifying candidates
0.138 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (log (- x y)) (log (+ x y))) (log (+ (* x x) (* y y))))
  (- (log (* (- x y) (+ x y))) (log (+ (* x x) (* y y))))
  (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (exp (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (/ (* (* (* (- x y) (- x y)) (- x y)) (* (* (+ x y) (+ x y)) (+ x y))) (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))))
  (/ (* (* (* (- x y) (+ x y)) (* (- x y) (+ x y))) (* (- x y) (+ x y))) (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))))
  (* (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))) (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))))
  (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (* (* (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (neg (* (- x y) (+ x y)))
  (neg (+ (* x x) (* y y)))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) 1)
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (+ (* x x) (* y y)))
  (/ (+ (* x x) (* y y)) (* (- x y) (+ x y)))
  (/ (* (- x y) (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (* (- x y) (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (* (- x y) (+ x y)) 1)
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (* (- x y) (+ x y)) (+ (pow (* x x) 3) (pow (* y y) 3)))
  (/ (* (- x y) (+ x y)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* x x) (* y y)) (* (+ (* x x) (+ (* y y) (* x y))) (+ (* x x) (- (* y y) (* x y)))))
  (* (+ (* x x) (* y y)) (* (+ (* x x) (+ (* y y) (* x y))) (- x y)))
  (* (+ (* x x) (* y y)) (* (+ x y) (+ (* x x) (- (* y y) (* x y)))))
  (* (+ (* x x) (* y y)) (* (+ x y) (- x y)))
  (* (+ (* x x) (* y y)) (+ (* x x) (- (* y y) (* x y))))
  (* (+ (* x x) (* y y)) (- x y))
  (* (+ (* x x) (* y y)) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (* x x) (* y y)) (+ x y))
  -1
  1
  1
0.142 * * [simplify]: iteration  0 :  270  enodes  (cost  311 )
0.148 * * [simplify]: iteration  1 :  1434  enodes  (cost  265 )
0.174 * * [simplify]: iteration  2 :  5001  enodes  (cost  261 )
0.176 * [simplify]: Simplified to:
   (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (exp (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (pow (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) 3)
  (pow (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) 3)
  (* (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))) (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))))
  (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (pow (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) 3)
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (* (- y x) (+ x y))
  (neg (+ (* x x) (* y y)))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (- x y)
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (+ (* x x) (* y y)))
  (/ (+ (* x x) (* y y)) (* (- x y) (+ x y)))
  (/ (* (- x y) (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (* (- x y) (+ x y)) (sqrt (+ (* x x) (* y y))))
  (* (- x y) (+ x y))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (* (- x y) (+ x y)) (+ (pow (* x x) 3) (pow (* y y) 3)))
  (* (/ (+ x y) (- (/ (pow x 4) 1) (/ (pow y 4) 1))) (- x y))
  (* (* (+ (* y (- y x)) (* x x)) (+ (* y (+ y x)) (* x x))) (+ (* x x) (* y y)))
  (* (* (- x y) (+ (* y (+ y x)) (* x x))) (+ (* x x) (* y y)))
  (* (* (+ (* y (- y x)) (* x x)) (+ x y)) (+ (* x x) (* y y)))
  (- (/ (pow x 4) 1) (/ (pow y 4) 1))
  (* (+ (* y (- y x)) (* x x)) (+ (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (- x y))
  (* (+ (* y (+ y x)) (* x x)) (+ (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (+ x y))
  -1
  1
  1
0.176 * * * [progress]: adding candidates to table
0.218 * * [progress]: iteration 2 / 4
0.218 * * * [progress]: picking best candidate
0.224 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))>
0.224 * * * [progress]: localizing error
0.233 * * * [progress]: generating rewritten candidates
0.233 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.241 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.264 * * * [progress]: generating series expansions
0.264 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.264 * [approximate]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in (x y) around 0
0.264 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in y
0.264 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.264 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (+ x y) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in x
0.264 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (+ x y) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in x
0.265 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (+ x y) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of y in y
0.265 * [taylor]: Taking taylor expansion of (neg 1) in y
0.265 * [taylor]: Taking taylor expansion of 1 in y
0.265 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.265 * [taylor]: Taking taylor expansion of 2 in y
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.266 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.266 * [taylor]: Taking taylor expansion of 2 in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) 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 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.266 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in y
0.266 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.267 * [taylor]: Taking taylor expansion of x in y
0.267 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.267 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 (/ 1 (pow y 2)) 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 (+ (/ 1 y) (/ 1 x)) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.267 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 (/ 1 (pow y 2)) 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 (+ (/ 1 y) (/ 1 x)) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of 1 in y
0.268 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.268 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.268 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.268 * [taylor]: Taking taylor expansion of 2 in y
0.268 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.268 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 3)))) in y
0.269 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.269 * [taylor]: Taking taylor expansion of 2 in y
0.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.269 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.269 * [taylor]: Taking taylor expansion of y in y
0.270 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.270 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in y
0.270 * [taylor]: Taking taylor expansion of -1 in y
0.270 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in y
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.270 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.270 * [taylor]: Taking taylor expansion of x in y
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.270 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.270 * [taylor]: Taking taylor expansion of y in y
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.270 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.270 * [taylor]: Taking taylor expansion of y in y
0.270 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.270 * [taylor]: Taking taylor expansion of x in y
0.270 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in x
0.270 * [taylor]: Taking taylor expansion of -1 in x
0.270 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.270 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in x
0.270 * [taylor]: Taking taylor expansion of -1 in x
0.270 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.271 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.271 * [taylor]: Taking taylor expansion of y in x
0.271 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.271 * [taylor]: Taking taylor expansion of y in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.271 * [taylor]: Taking taylor expansion of -1 in y
0.271 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.271 * [taylor]: Taking taylor expansion of y in y
0.272 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.272 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.272 * [taylor]: Taking taylor expansion of 2 in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.272 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.272 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.272 * [taylor]: Taking taylor expansion of 2 in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.272 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.273 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.273 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.273 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.273 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.273 * [taylor]: Taking taylor expansion of (+ x y) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of (- x y) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.273 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.274 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.274 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.274 * [taylor]: Taking taylor expansion of (+ x y) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (- x y) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.274 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.274 * [taylor]: Taking taylor expansion of (+ x y) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (- x y) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of -1 in y
0.275 * [taylor]: Taking taylor expansion of 0 in y
0.275 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.275 * [taylor]: Taking taylor expansion of 2 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 0 in y
0.276 * [approximate]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.276 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.276 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.276 * [taylor]: Taking taylor expansion of x in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.276 * [taylor]: Taking taylor expansion of x in y
0.276 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.276 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.276 * [taylor]: Taking taylor expansion of x in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.276 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.276 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.276 * [taylor]: Taking taylor expansion of y in x
0.276 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.277 * [taylor]: Taking taylor expansion of y in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 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 (/ 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
0.277 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.277 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.277 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.277 * [taylor]: Taking taylor expansion of y in x
0.277 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.277 * [taylor]: Taking taylor expansion of y in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 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 (/ 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
0.277 * [taylor]: Taking taylor expansion of 1 in y
0.278 * [taylor]: Taking taylor expansion of 0 in y
0.278 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.278 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.278 * [taylor]: Taking taylor expansion of 2 in y
0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.278 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.278 * [taylor]: Taking taylor expansion of y in y
0.279 * [taylor]: Taking taylor expansion of 0 in y
0.279 * [approximate]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.280 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.280 * [taylor]: Taking taylor expansion of -1 in y
0.280 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.280 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.280 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.280 * [taylor]: Taking taylor expansion of x in y
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.280 * [taylor]: Taking taylor expansion of x in y
0.280 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.280 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.280 * [taylor]: Taking taylor expansion of x 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
0.280 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.280 * [taylor]: Taking taylor expansion of -1 in x
0.280 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.280 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.280 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.280 * [taylor]: Taking taylor expansion of y in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.280 * [taylor]: Taking taylor expansion of y in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.280 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.280 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.281 * [taylor]: Taking taylor expansion of -1 in x
0.281 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.281 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.281 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.281 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.281 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of 1 in y
0.282 * [taylor]: Taking taylor expansion of 0 in y
0.282 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.282 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.282 * [taylor]: Taking taylor expansion of 2 in y
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.282 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.282 * [taylor]: Taking taylor expansion of y in y
0.283 * [taylor]: Taking taylor expansion of 0 in y
0.283 * * * [progress]: simplifying candidates
0.286 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (* x x) (* y y))) (log (+ x y)))
  (log (/ (+ (* x x) (* y y)) (+ x y)))
  (exp (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (cbrt (/ (+ (* x x) (* y y)) (+ x y)))
  (* (* (/ (+ (* x x) (* y y)) (+ x y)) (/ (+ (* x x) (* y y)) (+ x y))) (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (/ (+ (* x x) (* y y)) (+ x y)))
  (neg (+ (* x x) (* y y)))
  (neg (+ x y))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y)))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y)))
  (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) 1)
  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) 1)
  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
  (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y)))
  (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (/ (sqrt (+ (* x x) (* y y))) 1)
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (/ (sqrt (+ (* x x) (* y y))) 1)
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (+ (* x x) (* y y)) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (+ (* x x) (* y y)) (sqrt (+ x y)))
  (/ 1 1)
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ 1 1)
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (+ (* x x) (* y y)))
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  (/ (/ (+ (* x x) (* y y)) (+ x y)) (cbrt (- x y)))
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  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (- x y) (+ (* x x) (* y y)))
  (* (/ (+ (* x x) (* y y)) (+ x y)) (+ (* x x) (+ (* y y) (* x y))))
  (* (/ (+ (* x x) (* y y)) (+ x y)) (+ x y))
  (- y x)
  (- x y)
  (- x y)
  -1
  1
  1
0.297 * * [simplify]: iteration  0 :  677  enodes  (cost  2255 )
0.309 * * [simplify]: iteration  1 :  3023  enodes  (cost  2178 )
0.357 * * [simplify]: iteration  2 :  5001  enodes  (cost  2175 )
0.369 * [simplify]: Simplified to:
   (log (/ (+ (* x x) (* y y)) (+ x y)))
  (log (/ (+ (* x x) (* y y)) (+ x y)))
  (exp (/ (+ (* x x) (* y y)) (+ x y)))
  (pow (/ (+ (* x x) (* y y)) (+ x y)) 3)
  (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (cbrt (/ (+ (* x x) (* y y)) (+ x y)))
  (pow (/ (+ (* x x) (* y y)) (+ x y)) 3)
  (sqrt (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (/ (+ (* x x) (* y y)) (+ x y)))
  (neg (+ (* x x) (* y y)))
  (neg (+ x y))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y)))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y)))
  (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
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  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
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  (sqrt (+ (* x x) (* y y)))
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  (sqrt (+ (* x x) (* y y)))
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (+ (* x x) (* y y)) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (+ (* x x) (* y y)) (sqrt (+ x y)))
  1
  (/ (+ (* x x) (* y y)) (+ x y))
  1
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  (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (* (+ (* (* y y) (- (* y y) (* x x))) (* (pow x 3) x)) (+ x y))
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  (log (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (log (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
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  (pow (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))) 3)
  (pow (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))) 3)
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  (pow (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))) 3)
  (sqrt (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (sqrt (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (neg (- x y))
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  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (cbrt (- x y)) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (cbrt (- x y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (cbrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (* (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (+ x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (+ (* x x) (* y y)))
  (* (+ x y) (cbrt (- x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (cbrt (- x y)) (+ (* x x) (- (* y y) (* x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (cbrt (- x y)) (- x y))
  (/ (sqrt (- x y)) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (sqrt (- x y)) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (sqrt (- x y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (sqrt (- x y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (sqrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (sqrt (- x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (sqrt (- x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (sqrt (- x y)) (sqrt (+ (* x x) (* y y))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ (* x x) (* y y))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (sqrt (- x y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (sqrt (- x y)) (+ (* x x) (* y y)))
  (* (sqrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (sqrt (- x y)) (+ (* y (- y x)) (* x x)))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (sqrt (- x y)) (- x y))
  (/ 1 (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- x y) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ 1 (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- x y) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (- x y) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (sqrt (+ x y))
  (/ (- x y) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ 1 (+ (* x x) (* y y)))
  (* (- x y) (+ x y))
  (/ 1 (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- x y) (+ (* x x) (- (* y y) (* x y))))
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ (* x x) (* y y))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ (* x x) (* y y))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (+ (sqrt x) (sqrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (* (+ (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (+ (* x x) (* y y)))
  (* (+ x y) (- (sqrt x) (sqrt y)))
  (/ (+ (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- (sqrt x) (sqrt y)) (+ (* x x) (- (* y y) (* x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (- (sqrt x) (sqrt y)) (- x y))
  (/ 1 (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- x y) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ 1 (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- x y) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (- x y) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (sqrt (+ x y))
  (/ (- x y) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ 1 (+ (* x x) (* y y)))
  (* (- x y) (+ x y))
  (/ 1 (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- x y) (+ (* x x) (- (* y y) (* x y))))
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ 1 (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (- x y) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- x y) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- x y) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- x y) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (* (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (- x y)
  (/ (- x y) (+ (* x x) (* y y)))
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- x y) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (cbrt (- x y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (sqrt (- x y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- (sqrt x) (sqrt y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (- x y) (+ (* x x) (* y y)))
  (* (+ (* y (+ y x)) (* x x)) (/ (+ (* x x) (* y y)) (+ x y)))
  (* (/ (+ (* x x) (* y y)) (+ x y)) (+ x y))
  (- y x)
  (- x y)
  (- x y)
  -1
  1
  1
0.370 * * * [progress]: adding candidates to table
0.475 * * [progress]: iteration 3 / 4
0.475 * * * [progress]: picking best candidate
0.479 * * * * [pick]: Picked  #<alt (λ (x y) -1)>
0.479 * * * [progress]: localizing error
0.479 * * * [progress]: generating rewritten candidates
0.479 * * * [progress]: generating series expansions
0.479 * * * [progress]: simplifying candidates
0.480 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.482 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.482 * [simplify]: Simplified to:
   
0.482 * * * [progress]: adding candidates to table
0.482 * * [progress]: iteration 4 / 4
0.482 * * * [progress]: picking best candidate
0.484 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.484 * * * [progress]: localizing error
0.484 * * * [progress]: generating rewritten candidates
0.484 * * * [progress]: generating series expansions
0.484 * * * [progress]: simplifying candidates
0.484 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.486 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.486 * [simplify]: Simplified to:
   
0.486 * * * [progress]: adding candidates to table
0.487 * [progress]: [Phase 3 of 3] Extracting.
0.487 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) -1)>)
0.487 * * * [regime-changes]: Trying 3 branch expressions: ((/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) y x)
0.487 * * * * [regimes]: Trying to branch on (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) from (#<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) -1)>)
0.522 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) -1)>)
0.572 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) -1)>)
0.617 * * * [regime]: Found split indices: #<option (#s(si 3 39) #s(si 2 123) #s(si 1 195) #s(si 2 255))>
0.617 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) -1)>)
0.711 * [regimes]: Found splitpoints: (#s(sp 3 y -1.8803057485967063e+150) #s(sp 2 y -2.2882435572721194e-162) #s(sp 1 y 1.6273521579432125e-162) #s(sp 2 y +nan.0)) , with alts (#<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) -1)>)
0.711 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -1.8803057485967063e+150) -1 (if (<= y -2.2882435572721194e-162) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 1.6273521579432125e-162) 1 (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
0.712 * * [simplify]: iteration  0 :  28  enodes  (cost  14 )
0.712 * * [simplify]: iteration  1 :  28  enodes  (cost  14 )
0.713 * [simplify]: Simplified to:
   (if (<= y -1.8803057485967063e+150) -1 (if (<= y -2.2882435572721194e-162) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 1.6273521579432125e-162) 1 (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
1.651 * [regime-testing]: End program error score: 4.743688332448518
1.742 * [regime-testing]: Target error score: 0.08099621515495932