10.913 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.021 * [simplify]: Sending expressions to egg_math:
 (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1)))
0.024 * * [simplify]: iteration  0 :  22  enodes  (cost  7 )
0.025 * * [simplify]: iteration  1 :  48  enodes  (cost  7 )
0.027 * * [simplify]: iteration  2 :  104  enodes  (cost  7 )
0.029 * * [simplify]: iteration  3 :  196  enodes  (cost  7 )
0.033 * * [simplify]: iteration  4 :  359  enodes  (cost  7 )
0.038 * * [simplify]: iteration  5 :  686  enodes  (cost  7 )
0.048 * * [simplify]: iteration  6 :  1355  enodes  (cost  7 )
0.082 * * [simplify]: iteration  7 :  5001  enodes  (cost  7 )
0.083 * [simplify]: Simplified to:
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.083 * * [progress]: iteration 1 / 4
0.083 * * * [progress]: picking best candidate
0.085 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>
0.085 * * * [progress]: localizing error
0.097 * * * [progress]: generating rewritten candidates
0.097 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.126 * * * [progress]: generating series expansions
0.126 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.126 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.126 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.126 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.126 * [taylor]: Taking taylor expansion of (+ x y) in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (- x y) in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.127 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.127 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.127 * [taylor]: Taking taylor expansion of (+ x y) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of (- x y) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.127 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.128 * [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
0.128 * [taylor]: Taking taylor expansion of -1 in y
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.131 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.131 * [taylor]: Taking taylor expansion of 2 in y
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.131 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [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
0.137 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.137 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.137 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.138 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.140 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.140 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.141 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.141 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.142 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.143 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.143 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of 1 in y
0.147 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.150 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.150 * [taylor]: Taking taylor expansion of 2 in y
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.150 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.150 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of 0 in y
0.158 * [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
0.158 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.158 * [taylor]: Taking taylor expansion of -1 in y
0.158 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.158 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.158 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.158 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.158 * [taylor]: Taking taylor expansion of x in y
0.159 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.159 * [taylor]: Taking taylor expansion of x in y
0.159 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.159 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.159 * [taylor]: Taking taylor expansion of x in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.159 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.161 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.161 * [taylor]: Taking taylor expansion of -1 in x
0.161 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.161 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.161 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.161 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.162 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.162 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.163 * [taylor]: Taking taylor expansion of -1 in x
0.163 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.163 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.163 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.164 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.164 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.169 * [taylor]: Taking taylor expansion of 1 in y
0.172 * [taylor]: Taking taylor expansion of 0 in y
0.176 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.177 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.177 * [taylor]: Taking taylor expansion of 2 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of 0 in y
0.185 * * * [progress]: simplifying candidates
0.185 * [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))))
  (- (* (- x y) (+ x y)))
  (- (+ (* 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
0.186 * [simplify]: Sending expressions to egg_math:
 (- (+ (log (- h0 h1)) (log (+ h0 h1))) (log (+ (* h0 h0) (* h1 h1))))
 (- (log (* (- h0 h1) (+ h0 h1))) (log (+ (* h0 h0) (* h1 h1))))
 (log (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))))
 (exp (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))))
 (/ (* (* (* (- h0 h1) (- h0 h1)) (- h0 h1)) (* (* (+ h0 h1) (+ h0 h1)) (+ h0 h1))) (* (* (+ (* h0 h0) (* h1 h1)) (+ (* h0 h0) (* h1 h1))) (+ (* h0 h0) (* h1 h1))))
 (/ (* (* (* (- h0 h1) (+ h0 h1)) (* (- h0 h1) (+ h0 h1))) (* (- h0 h1) (+ h0 h1))) (* (* (+ (* h0 h0) (* h1 h1)) (+ (* h0 h0) (* h1 h1))) (+ (* h0 h0) (* h1 h1))))
 (* (cbrt (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1)))) (cbrt (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1)))))
 (cbrt (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))))
 (* (* (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))) (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1)))) (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))))
 (sqrt (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))))
 (sqrt (/ (* (- h0 h1) (+ h0 h1)) (+ (* h0 h0) (* h1 h1))))
 (- (* (- h0 h1) (+ h0 h1)))
 (- (+ (* h0 h0) (* h1 h1)))
 (/ (- h0 h1) (* (cbrt (+ (* h0 h0) (* h1 h1))) (cbrt (+ (* h0 h0) (* h1 h1)))))
 (/ (+ h0 h1) (cbrt (+ (* h0 h0) (* h1 h1))))
 (/ (- h0 h1) (sqrt (+ (* h0 h0) (* h1 h1))))
 (/ (+ h0 h1) (sqrt (+ (* h0 h0) (* h1 h1))))
 (/ (- h0 h1) 1)
 (/ (+ h0 h1) (+ (* h0 h0) (* h1 h1)))
 (/ 1 (+ (* h0 h0) (* h1 h1)))
 (/ (+ (* h0 h0) (* h1 h1)) (* (- h0 h1) (+ h0 h1)))
 (/ (* (- h0 h1) (+ h0 h1)) (* (cbrt (+ (* h0 h0) (* h1 h1))) (cbrt (+ (* h0 h0) (* h1 h1)))))
 (/ (* (- h0 h1) (+ h0 h1)) (sqrt (+ (* h0 h0) (* h1 h1))))
 (/ (* (- h0 h1) (+ h0 h1)) 1)
 (/ (+ (* h0 h0) (* h1 h1)) (+ h0 h1))
 (/ (* (- h0 h1) (+ h0 h1)) (+ (pow (* h0 h0) 3) (pow (* h1 h1) 3)))
 (/ (* (- h0 h1) (+ h0 h1)) (- (* (* h0 h0) (* h0 h0)) (* (* h1 h1) (* h1 h1))))
 (* (+ (* h0 h0) (* h1 h1)) (* (+ (* h0 h0) (+ (* h1 h1) (* h0 h1))) (+ (* h0 h0) (- (* h1 h1) (* h0 h1)))))
 (* (+ (* h0 h0) (* h1 h1)) (* (+ (* h0 h0) (+ (* h1 h1) (* h0 h1))) (- h0 h1)))
 (* (+ (* h0 h0) (* h1 h1)) (* (+ h0 h1) (+ (* h0 h0) (- (* h1 h1) (* h0 h1)))))
 (* (+ (* h0 h0) (* h1 h1)) (* (+ h0 h1) (- h0 h1)))
 (* (+ (* h0 h0) (* h1 h1)) (+ (* h0 h0) (- (* h1 h1) (* h0 h1))))
 (* (+ (* h0 h0) (* h1 h1)) (- h0 h1))
 (* (+ (* h0 h0) (* h1 h1)) (+ (* h0 h0) (+ (* h1 h1) (* h0 h1))))
 (* (+ (* h0 h0) (* h1 h1)) (+ h0 h1))
 -1
 1
 1
0.190 * * [simplify]: iteration  0 :  270  enodes  (cost  311 )
0.195 * * [simplify]: iteration  1 :  1434  enodes  (cost  265 )
0.220 * * [simplify]: iteration  2 :  5001  enodes  (cost  261 )
0.222 * [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))
  (- (+ (* 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
0.222 * * * [progress]: adding candidates to table
0.294 * * [progress]: iteration 2 / 4
0.294 * * * [progress]: picking best candidate
0.296 * * * * [pick]: Picked  #<alt (λ (x y) -1)>
0.296 * * * [progress]: localizing error
0.296 * * * [progress]: generating rewritten candidates
0.296 * * * [progress]: generating series expansions
0.296 * * * [progress]: simplifying candidates
0.296 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.296 * [simplify]: Sending expressions to egg_math:
 
0.299 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.299 * [simplify]: Simplified to:
   
0.299 * * * [progress]: adding candidates to table
0.299 * * [progress]: iteration 3 / 4
0.299 * * * [progress]: picking best candidate
0.300 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.300 * * * [progress]: localizing error
0.300 * * * [progress]: generating rewritten candidates
0.300 * * * [progress]: generating series expansions
0.300 * * * [progress]: simplifying candidates
0.300 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.300 * [simplify]: Sending expressions to egg_math:
 
0.303 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.303 * [simplify]: Simplified to:
   
0.303 * * * [progress]: adding candidates to table
0.303 * [progress]: [Phase 3 of 3] Extracting.
0.303 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) -1)>)
0.303 * * * [regime-changes]: Trying 3 branch expressions: ((/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) y x)
0.303 * * * * [regimes]: Trying to branch on (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) from (#<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) -1)>)
0.326 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) -1)>)
0.359 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) -1)>)
0.375 * * * [regime]: Found split indices: #<option (#s(si 2 50) #s(si 0 131) #s(si 1 222) #s(si 0 255))>
0.376 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) -1)>)
0.450 * [regimes]: Found splitpoints: (#s(sp 2 y -1.0791045045159162e+151) #s(sp 0 y -1.598884525268849e-162) #s(sp 1 y 2.9519335939586057e-175) #s(sp 0 y +nan.0)) , with alts (#<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) 1)> #<alt (λ (x y) -1)>)
0.450 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -1.0791045045159162e+151) -1 (if (<= y -1.598884525268849e-162) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 2.9519335939586057e-175) 1 (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
0.450 * [simplify]: Sending expressions to egg_math:
 (if (<= h0 h1) -1 (if (<= h0 h2) (/ (* (- h3 h0) (+ h3 h0)) (+ (* h3 h3) (* h0 h0))) (if (<= h0 h4) 1 (/ (* (- h3 h0) (+ h3 h0)) (+ (* h3 h3) (* h0 h0))))))
0.451 * * [simplify]: iteration  0 :  28  enodes  (cost  14 )
0.451 * * [simplify]: iteration  1 :  28  enodes  (cost  14 )
0.451 * [simplify]: Simplified to:
   (if (<= y -1.0791045045159162e+151) -1 (if (<= y -1.598884525268849e-162) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 2.9519335939586057e-175) 1 (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
1.024 * [regime-testing]: Baseline error score: 19.967930551945997
1.024 * [regime-testing]: Oracle error score: 0.5327178981196252
1.026 * [regime-testing]: End program error score: 4.861347658278627
1.056 * [regime-testing]: Target error score: 0.08700636486072176