16.802 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (* x x) y))
0.022 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.024 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.024 * [simplify]: Simplified to:
   (sqrt (+ (* x x) y))
0.024 * * [progress]: iteration 1 / 4
0.024 * * * [progress]: picking best candidate
0.026 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.026 * * * [progress]: localizing error
0.032 * * * [progress]: generating rewritten candidates
0.032 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.037 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.041 * * * [progress]: generating series expansions
0.041 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.041 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.041 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.041 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.042 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.042 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.045 * [taylor]: Taking taylor expansion of 1/2 in y
0.045 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.050 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.050 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.050 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.050 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.050 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.050 * [taylor]: Taking taylor expansion of x in y
0.050 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.052 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.057 * [taylor]: Taking taylor expansion of 1 in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.059 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.059 * [taylor]: Taking taylor expansion of 1/2 in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.063 * [taylor]: Taking taylor expansion of -1/8 in y
0.063 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.065 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.065 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.065 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.070 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.072 * [taylor]: Taking taylor expansion of 1 in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.074 * [taylor]: Taking taylor expansion of -1/2 in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.079 * [taylor]: Taking taylor expansion of -1/8 in y
0.079 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.081 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.081 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [taylor]: Taking taylor expansion of 1 in y
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.085 * [taylor]: Taking taylor expansion of 1 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.091 * [taylor]: Taking taylor expansion of x in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of 1 in y
0.094 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.095 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * * * [progress]: simplifying candidates
0.100 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (sqrt (+ (* x x) y)))
  (log1p (sqrt (+ (* x x) y)))
  (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (* (* (sqrt (+ (* x x) y)) (sqrt (+ (* x x) y))) (sqrt (+ (* x x) y)))
  (sqrt (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt 1)
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow (* x x) 3) (pow y 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y))))
  (sqrt (- (* (* x x) (* x x)) (* y y)))
  (sqrt (- (* x x) y))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (expm1 (+ (* x x) y))
  (log1p (+ (* x x) y))
  (* (exp (* x x)) (exp y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (* (* (+ (* x x) y) (+ (* x x) y)) (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y)))
  (- (* (* x x) (* x x)) (* y y))
  (- (* x x) y)
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow y 2)) (- (* +nan.0 y))))))
  (+ x (* 1/2 (/ y x)))
  (- (+ x (* 1/2 (/ y x))))
  (+ (pow x 2) y)
  (+ (pow x 2) y)
  (+ (pow x 2) y)
0.103 * * [simplify]: iteration  0 :  153  enodes  (cost  160 )
0.107 * * [simplify]: iteration  1 :  518  enodes  (cost  146 )
0.115 * * [simplify]: iteration  2 :  1716  enodes  (cost  138 )
0.150 * * [simplify]: iteration  3 :  5002  enodes  (cost  136 )
0.152 * [simplify]: Simplified to:
   (expm1 (sqrt (+ (* x x) y)))
  (log1p (sqrt (+ (* x x) y)))
  (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (pow (hypot x (pow y 1/2)) 3)
  (fabs (cbrt (+ (* x x) y)))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  1
  (hypot x (pow y 1/2))
  (hypot (pow y 3/2) (pow x 3))
  (sqrt (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y))))
  (sqrt (- (* (* x x) (* x x)) (* y y)))
  (sqrt (- (* x x) y))
  1/2
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (expm1 (+ (* x x) y))
  (log1p (+ (* x x) y))
  (exp (+ (* x x) y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (pow (fma x x y) 3)
  (hypot x (pow y 1/2))
  (hypot x (pow y 1/2))
  (fma (pow y 2) y (pow x 6))
  (fma y (- y (pow x 2)) (pow x 4))
  (- (pow x 4) (pow y 2))
  (- (* x x) y)
  (* +nan.0 (fma (- x) x (fma y y (- y))))
  (fma 1/2 (/ y x) x)
  (- (+ x (* 1/2 (/ y x))))
  (fma x x y)
  (fma x x y)
  (fma x x y)
0.152 * * * [progress]: adding candidates to table
0.239 * * [progress]: iteration 2 / 4
0.239 * * * [progress]: picking best candidate
0.242 * * * * [pick]: Picked  #<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))>
0.242 * * * [progress]: localizing error
0.247 * * * [progress]: generating rewritten candidates
0.247 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.250 * * * [progress]: generating series expansions
0.250 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.250 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
0.250 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
0.250 * [taylor]: Taking taylor expansion of x in y
0.250 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.250 * [taylor]: Taking taylor expansion of 1/2 in y
0.250 * [taylor]: Taking taylor expansion of (/ y x) in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of x in y
0.250 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.250 * [taylor]: Taking taylor expansion of 1/2 in x
0.250 * [taylor]: Taking taylor expansion of (/ y x) in x
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.250 * [taylor]: Taking taylor expansion of 1/2 in x
0.250 * [taylor]: Taking taylor expansion of (/ y x) in x
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.250 * [taylor]: Taking taylor expansion of 1/2 in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of 1 in y
0.257 * [taylor]: Taking taylor expansion of 0 in y
0.257 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
0.257 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
0.257 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.257 * [taylor]: Taking taylor expansion of 1/2 in y
0.257 * [taylor]: Taking taylor expansion of (/ x y) in y
0.257 * [taylor]: Taking taylor expansion of x in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.258 * [taylor]: Taking taylor expansion of 1/2 in x
0.258 * [taylor]: Taking taylor expansion of (/ x y) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of y in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.258 * [taylor]: Taking taylor expansion of 1/2 in x
0.258 * [taylor]: Taking taylor expansion of (/ x y) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of y in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of 1 in y
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.260 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.260 * [taylor]: Taking taylor expansion of 1/2 in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.262 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
0.264 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
0.264 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.264 * [taylor]: Taking taylor expansion of 1/2 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 (/ 1 x) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
0.264 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.264 * [taylor]: Taking taylor expansion of 1/2 in x
0.264 * [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 (/ 1 x) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
0.265 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.265 * [taylor]: Taking taylor expansion of 1/2 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 (/ 1 x) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of -1 in y
0.267 * [taylor]: Taking taylor expansion of 0 in y
0.267 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.267 * [taylor]: Taking taylor expansion of 1/2 in y
0.268 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of 0 in y
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.272 * * * [progress]: simplifying candidates
0.272 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ x (* 1/2 (/ y x))))
  (log1p (+ x (* 1/2 (/ y x))))
  (* (exp x) (exp (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (* (* (+ x (* 1/2 (/ y x))) (+ x (* 1/2 (/ y x)))) (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (- (* (* 1/2 (/ y x)) (* 1/2 (/ y x))) (* x (* 1/2 (/ y x)))))
  (- (* x x) (* (* 1/2 (/ y x)) (* 1/2 (/ y x))))
  (- x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
0.275 * * [simplify]: iteration  0 :  88  enodes  (cost  84 )
0.278 * * [simplify]: iteration  1 :  322  enodes  (cost  70 )
0.285 * * [simplify]: iteration  2 :  1253  enodes  (cost  70 )
0.309 * * [simplify]: iteration  3 :  4552  enodes  (cost  70 )
0.383 * * [simplify]: iteration  4 :  5001  enodes  (cost  70 )
0.384 * [simplify]: Simplified to:
   (expm1 (+ x (* 1/2 (/ y x))))
  (log1p (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (pow (fma 1/2 (/ y x) x) 3)
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (fma 1/8 (pow (/ y x) 3) (pow x 3))
  (fma (* 1/2 (/ y x)) (- (* 1/2 (/ y x)) x) (* x x))
  (* (- x (* 1/2 (/ y x))) (fma 1/2 (/ y x) x))
  (- x (* 1/2 (/ y x)))
  (fma 1/2 (/ y x) x)
  (fma 1/2 (/ y x) x)
  (fma 1/2 (/ y x) x)
0.384 * * * [progress]: adding candidates to table
0.421 * * [progress]: iteration 3 / 4
0.421 * * * [progress]: picking best candidate
0.422 * * * * [pick]: Picked  #<alt (λ (x y) (fma 1/2 (/ y x) x))>
0.422 * * * [progress]: localizing error
0.426 * * * [progress]: generating rewritten candidates
0.426 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.427 * * * [progress]: generating series expansions
0.427 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.427 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) x) in (y x) around 0
0.427 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) x) in x
0.427 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) x)
0.427 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.427 * [taylor]: Taking taylor expansion of 1/2 in x
0.427 * [taylor]: Taking taylor expansion of (/ y x) in x
0.427 * [taylor]: Taking taylor expansion of y in x
0.427 * [taylor]: Taking taylor expansion of x in x
0.427 * [taylor]: Taking taylor expansion of x in x
0.427 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) x) in y
0.428 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) x)
0.428 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.428 * [taylor]: Taking taylor expansion of 1/2 in y
0.428 * [taylor]: Taking taylor expansion of (/ y x) in y
0.428 * [taylor]: Taking taylor expansion of y in y
0.428 * [taylor]: Taking taylor expansion of x in y
0.428 * [taylor]: Taking taylor expansion of x in y
0.428 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) x) in y
0.428 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) x)
0.428 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.428 * [taylor]: Taking taylor expansion of 1/2 in y
0.428 * [taylor]: Taking taylor expansion of (/ y x) in y
0.428 * [taylor]: Taking taylor expansion of y in y
0.428 * [taylor]: Taking taylor expansion of x in y
0.428 * [taylor]: Taking taylor expansion of x in y
0.428 * [taylor]: Taking taylor expansion of x in x
0.428 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.428 * [taylor]: Taking taylor expansion of 1/2 in x
0.428 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.428 * [taylor]: Taking taylor expansion of x in x
0.429 * [taylor]: Taking taylor expansion of 0 in x
0.431 * [taylor]: Taking taylor expansion of 0 in x
0.433 * [taylor]: Taking taylor expansion of 0 in x
0.434 * [approximate]: Taking taylor expansion of (fma 1/2 (/ x y) (/ 1 x)) in (y x) around 0
0.435 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) (/ 1 x)) in x
0.435 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) (/ 1 x))
0.435 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.435 * [taylor]: Taking taylor expansion of 1/2 in x
0.435 * [taylor]: Taking taylor expansion of (/ x y) in x
0.435 * [taylor]: Taking taylor expansion of x in x
0.435 * [taylor]: Taking taylor expansion of y in x
0.435 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.435 * [taylor]: Taking taylor expansion of x in x
0.435 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) (/ 1 x)) in y
0.435 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) (/ 1 x))
0.435 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.435 * [taylor]: Taking taylor expansion of 1/2 in y
0.435 * [taylor]: Taking taylor expansion of (/ x y) in y
0.435 * [taylor]: Taking taylor expansion of x in y
0.435 * [taylor]: Taking taylor expansion of y in y
0.435 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.435 * [taylor]: Taking taylor expansion of x in y
0.435 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) (/ 1 x)) in y
0.435 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) (/ 1 x))
0.435 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.435 * [taylor]: Taking taylor expansion of 1/2 in y
0.436 * [taylor]: Taking taylor expansion of (/ x y) in y
0.436 * [taylor]: Taking taylor expansion of x in y
0.436 * [taylor]: Taking taylor expansion of y in y
0.436 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.436 * [taylor]: Taking taylor expansion of x in y
0.436 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.436 * [taylor]: Taking taylor expansion of 1/2 in x
0.436 * [taylor]: Taking taylor expansion of x in x
0.437 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.437 * [taylor]: Taking taylor expansion of x in x
0.439 * [taylor]: Taking taylor expansion of 0 in x
0.442 * [taylor]: Taking taylor expansion of 0 in x
0.446 * [taylor]: Taking taylor expansion of 0 in x
0.447 * [approximate]: Taking taylor expansion of (fma 1/2 (/ x y) (/ -1 x)) in (y x) around 0
0.447 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) (/ -1 x)) in x
0.447 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) (/ -1 x))
0.447 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.447 * [taylor]: Taking taylor expansion of 1/2 in x
0.447 * [taylor]: Taking taylor expansion of (/ x y) in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.447 * [taylor]: Taking taylor expansion of -1 in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) (/ -1 x)) in y
0.447 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) (/ -1 x))
0.447 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.447 * [taylor]: Taking taylor expansion of 1/2 in y
0.447 * [taylor]: Taking taylor expansion of (/ x y) in y
0.447 * [taylor]: Taking taylor expansion of x in y
0.447 * [taylor]: Taking taylor expansion of y in y
0.447 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.447 * [taylor]: Taking taylor expansion of -1 in y
0.447 * [taylor]: Taking taylor expansion of x in y
0.447 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) (/ -1 x)) in y
0.448 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) (/ -1 x))
0.448 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.448 * [taylor]: Taking taylor expansion of 1/2 in y
0.448 * [taylor]: Taking taylor expansion of (/ x y) in y
0.448 * [taylor]: Taking taylor expansion of x in y
0.448 * [taylor]: Taking taylor expansion of y in y
0.448 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.448 * [taylor]: Taking taylor expansion of -1 in y
0.448 * [taylor]: Taking taylor expansion of x in y
0.448 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.448 * [taylor]: Taking taylor expansion of 1/2 in x
0.448 * [taylor]: Taking taylor expansion of x in x
0.449 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.449 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.449 * [taylor]: Taking taylor expansion of x in x
0.451 * [taylor]: Taking taylor expansion of 0 in x
0.457 * [taylor]: Taking taylor expansion of 0 in x
0.461 * [taylor]: Taking taylor expansion of 0 in x
0.462 * * * [progress]: simplifying candidates
0.462 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (fma 1/2 (/ y x) x))
  (log1p (fma 1/2 (/ y x) x))
  (* 1/2 (/ y x))
  (log (fma 1/2 (/ y x) x))
  (exp (fma 1/2 (/ y x) x))
  (* (cbrt (fma 1/2 (/ y x) x)) (cbrt (fma 1/2 (/ y x) x)))
  (cbrt (fma 1/2 (/ y x) x))
  (* (* (fma 1/2 (/ y x) x) (fma 1/2 (/ y x) x)) (fma 1/2 (/ y x) x))
  (sqrt (fma 1/2 (/ y x) x))
  (sqrt (fma 1/2 (/ y x) x))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
0.465 * * [simplify]: iteration  0 :  21  enodes  (cost  44 )
0.467 * * [simplify]: iteration  1 :  48  enodes  (cost  39 )
0.469 * * [simplify]: iteration  2 :  156  enodes  (cost  39 )
0.472 * * [simplify]: iteration  3 :  585  enodes  (cost  39 )
0.486 * * [simplify]: iteration  4 :  2784  enodes  (cost  39 )
0.538 * * [simplify]: iteration  5 :  5001  enodes  (cost  39 )
0.539 * [simplify]: Simplified to:
   (expm1 (fma 1/2 (/ y x) x))
  (log1p (fma 1/2 (/ y x) x))
  (* 1/2 (/ y x))
  (log (fma 1/2 (/ y x) x))
  (exp (fma 1/2 (/ y x) x))
  (* (cbrt (fma 1/2 (/ y x) x)) (cbrt (fma 1/2 (/ y x) x)))
  (cbrt (fma 1/2 (/ y x) x))
  (pow (fma 1/2 (/ y x) x) 3)
  (sqrt (fma 1/2 (/ y x) x))
  (sqrt (fma 1/2 (/ y x) x))
  (fma 1/2 (/ y x) x)
  (fma 1/2 (/ y x) x)
  (fma 1/2 (/ y x) x)
0.539 * * * [progress]: adding candidates to table
0.561 * [progress]: [Phase 3 of 3] Extracting.
0.561 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.561 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
0.561 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.576 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.596 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.616 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.643 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.667 * * * [regime]: Found split indices: #<option (#s(si 0 57) #s(si 1 201) #s(si 2 255))>
0.668 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.721 * [regimes]: Found splitpoints: (#s(sp 0 x -1.3715429971931085e+154) #s(sp 1 x 2.970399412638252e+110) #s(sp 2 x +nan.0)) , with alts (#<alt (λ (x y) (- (+ x (* 1/2 (/ y x)))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (fma 1/2 (/ y x) x))>)
0.721 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -1.3715429971931085e+154) (- (+ x (* 1/2 (/ y x)))) (if (<= x 2.970399412638252e+110) (sqrt (+ (* x x) y)) (fma 1/2 (/ y x) x)))
0.722 * * [simplify]: iteration  0 :  23  enodes  (cost  9 )
0.722 * * [simplify]: iteration  1 :  30  enodes  (cost  9 )
0.722 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.723 * * [simplify]: iteration  3 :  32  enodes  (cost  9 )
0.723 * [simplify]: Simplified to:
   (if (<= x -1.3715429971931085e+154) (- (+ x (* 1/2 (/ y x)))) (if (<= x 2.970399412638252e+110) (sqrt (+ (* x x) y)) (fma 1/2 (/ y x) x)))
1.378 * [regime-testing]: Baseline error score: 21.46305788223528
1.378 * [regime-testing]: Oracle error score: 0.0025003125390673834
1.380 * [regime-testing]: End program error score: 0.14082699121112527
1.410 * [regime-testing]: Target error score: 0.5408604116583822