23.243 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (+ y y))
0.017 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.018 * * [simplify]: iteration  1 :  11  enodes  (cost  3 )
0.020 * * [simplify]: iteration  2 :  13  enodes  (cost  3 )
0.022 * * [simplify]: iteration  3 :  13  enodes  (cost  3 )
0.022 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [progress]: picking best candidate
0.028 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.028 * * * [progress]: localizing error
0.033 * * * [progress]: generating rewritten candidates
0.033 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.045 * * * [progress]: generating series expansions
0.045 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.045 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.045 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.045 * [taylor]: Taking taylor expansion of 1/2 in y
0.045 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.045 * [taylor]: Taking taylor expansion of (+ x y) in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.046 * [taylor]: Taking taylor expansion of 1/2 in x
0.046 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.046 * [taylor]: Taking taylor expansion of (+ x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.046 * [taylor]: Taking taylor expansion of 1/2 in x
0.046 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.046 * [taylor]: Taking taylor expansion of (+ x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of 1/2 in y
0.047 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.047 * [taylor]: Taking taylor expansion of 1/2 in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.054 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.054 * [taylor]: Taking taylor expansion of 1/2 in y
0.054 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.054 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.054 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.055 * [taylor]: Taking taylor expansion of x in y
0.055 * [taylor]: Taking taylor expansion of y in y
0.055 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.055 * [taylor]: Taking taylor expansion of 1/2 in x
0.055 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.055 * [taylor]: Taking taylor expansion of 1/2 in x
0.055 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.056 * [taylor]: Taking taylor expansion of 1/2 in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of 1/2 in y
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.067 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.067 * [taylor]: Taking taylor expansion of 1/2 in y
0.067 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.067 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.068 * [taylor]: Taking taylor expansion of 1/2 in x
0.068 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.068 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.068 * [taylor]: Taking taylor expansion of 1/2 in x
0.068 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.068 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.069 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.069 * [taylor]: Taking taylor expansion of 1/2 in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of 1/2 in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * * * [progress]: simplifying candidates
0.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (+ x y) (+ y y)))
  (log1p (/ (+ x y) (+ y y)))
  (- (log (+ x y)) (log (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (+ y y) (+ y y)) (+ y y)))
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (* (* (/ (+ x y) (+ y y)) (/ (+ x y) (+ y y))) (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (- (+ x y))
  (- (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ y y)))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (cbrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) (+ 1 1))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (+ y y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (/ (+ x y) 1)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) 1)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (+ (pow y 3) (pow y 3)))
  (/ (+ x y) (- (* y y) (* y y)))
  (* (+ y y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.087 * * [simplify]: iteration  0 :  231  enodes  (cost  524 )
0.093 * * [simplify]: iteration  1 :  759  enodes  (cost  480 )
0.111 * * [simplify]: iteration  2 :  3147  enodes  (cost  480 )
0.209 * * [simplify]: iteration  3 :  5002  enodes  (cost  480 )
0.213 * [simplify]: Simplified to:
   (expm1 (/ (+ x y) (+ y y)))
  (log1p (/ (+ x y) (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (pow (/ (+ x y) (+ y y)) 3)
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (pow (/ (+ x y) (+ y y)) 3)
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (- (+ x y))
  (- (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ y y)))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt (+ x y)) 2) (cbrt y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (/ (cbrt (+ x y)) 2) (sqrt y))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (/ (cbrt (+ x y)) (cbrt y)) (* 2 (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (/ (cbrt (+ x y)) 2) (sqrt y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) 2)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt (+ x y)) 2) (cbrt y))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (/ (sqrt (+ x y)) 2) (sqrt y))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (/ (sqrt (+ x y)) (cbrt y)) (* 2 (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (/ (sqrt (+ x y)) 2) (sqrt y))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) 2) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ x y) (cbrt y)) (* 2 (cbrt y)))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) 2) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ x y) (cbrt y)) (* 2 (cbrt y)))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1/2 y)
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (+ x y)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (+ x y)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (/ (+ x y) 2) (pow y 3))
  (/ (+ x y) 0)
  (* (* (fma y (- y x) (* x x)) 2) y)
  (* (+ y y) (- x y))
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
0.213 * * * [progress]: adding candidates to table
0.299 * * [progress]: iteration 2 / 4
0.299 * * * [progress]: picking best candidate
0.301 * * * * [pick]: Picked  #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>
0.301 * * * [progress]: localizing error
0.305 * * * [progress]: generating rewritten candidates
0.305 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.306 * * * [progress]: generating series expansions
0.306 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.307 * [approximate]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in (x y) around 0
0.307 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in y
0.307 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
0.307 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.307 * [taylor]: Taking taylor expansion of 1/2 in y
0.307 * [taylor]: Taking taylor expansion of (/ x y) in y
0.307 * [taylor]: Taking taylor expansion of x in y
0.307 * [taylor]: Taking taylor expansion of y in y
0.307 * [taylor]: Taking taylor expansion of 1/2 in y
0.307 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in x
0.307 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
0.307 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.307 * [taylor]: Taking taylor expansion of 1/2 in x
0.307 * [taylor]: Taking taylor expansion of (/ x y) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.307 * [taylor]: Taking taylor expansion of y in x
0.307 * [taylor]: Taking taylor expansion of 1/2 in x
0.307 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in x
0.307 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
0.307 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.307 * [taylor]: Taking taylor expansion of 1/2 in x
0.307 * [taylor]: Taking taylor expansion of (/ x y) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.307 * [taylor]: Taking taylor expansion of y in x
0.307 * [taylor]: Taking taylor expansion of 1/2 in x
0.308 * [taylor]: Taking taylor expansion of 1/2 in y
0.308 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.308 * [taylor]: Taking taylor expansion of 1/2 in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.308 * [taylor]: Taking taylor expansion of y in y
0.310 * [taylor]: Taking taylor expansion of 0 in y
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.314 * [taylor]: Taking taylor expansion of 0 in y
0.314 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in (x y) around 0
0.314 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in y
0.315 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.315 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.315 * [taylor]: Taking taylor expansion of 1/2 in y
0.315 * [taylor]: Taking taylor expansion of (/ y x) in y
0.315 * [taylor]: Taking taylor expansion of y in y
0.315 * [taylor]: Taking taylor expansion of x in y
0.315 * [taylor]: Taking taylor expansion of 1/2 in y
0.315 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.315 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.315 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.315 * [taylor]: Taking taylor expansion of 1/2 in x
0.315 * [taylor]: Taking taylor expansion of (/ y x) in x
0.315 * [taylor]: Taking taylor expansion of y in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of 1/2 in x
0.315 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.315 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.315 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.315 * [taylor]: Taking taylor expansion of 1/2 in x
0.315 * [taylor]: Taking taylor expansion of (/ y x) in x
0.315 * [taylor]: Taking taylor expansion of y in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of 1/2 in x
0.315 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.315 * [taylor]: Taking taylor expansion of 1/2 in y
0.315 * [taylor]: Taking taylor expansion of y in y
0.317 * [taylor]: Taking taylor expansion of 1/2 in y
0.319 * [taylor]: Taking taylor expansion of 0 in y
0.322 * [taylor]: Taking taylor expansion of 0 in y
0.322 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in (x y) around 0
0.322 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in y
0.323 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.323 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.323 * [taylor]: Taking taylor expansion of 1/2 in y
0.323 * [taylor]: Taking taylor expansion of (/ y x) in y
0.323 * [taylor]: Taking taylor expansion of y in y
0.323 * [taylor]: Taking taylor expansion of x in y
0.323 * [taylor]: Taking taylor expansion of 1/2 in y
0.323 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.323 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.323 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.323 * [taylor]: Taking taylor expansion of 1/2 in x
0.323 * [taylor]: Taking taylor expansion of (/ y x) in x
0.323 * [taylor]: Taking taylor expansion of y in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of 1/2 in x
0.323 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.323 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.323 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.323 * [taylor]: Taking taylor expansion of 1/2 in x
0.323 * [taylor]: Taking taylor expansion of (/ y x) in x
0.323 * [taylor]: Taking taylor expansion of y in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of 1/2 in x
0.323 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.323 * [taylor]: Taking taylor expansion of 1/2 in y
0.323 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of 1/2 in y
0.327 * [taylor]: Taking taylor expansion of 0 in y
0.330 * [taylor]: Taking taylor expansion of 0 in y
0.330 * * * [progress]: simplifying candidates
0.330 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (fma 1/2 (/ x y) 1/2))
  (log1p (fma 1/2 (/ x y) 1/2))
  (* 1/2 (/ x y))
  (log (fma 1/2 (/ x y) 1/2))
  (exp (fma 1/2 (/ x y) 1/2))
  (* (cbrt (fma 1/2 (/ x y) 1/2)) (cbrt (fma 1/2 (/ x y) 1/2)))
  (cbrt (fma 1/2 (/ x y) 1/2))
  (* (* (fma 1/2 (/ x y) 1/2) (fma 1/2 (/ x y) 1/2)) (fma 1/2 (/ x y) 1/2))
  (sqrt (fma 1/2 (/ x y) 1/2))
  (sqrt (fma 1/2 (/ x y) 1/2))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.333 * * [simplify]: iteration  0 :  21  enodes  (cost  44 )
0.336 * * [simplify]: iteration  1 :  56  enodes  (cost  39 )
0.338 * * [simplify]: iteration  2 :  182  enodes  (cost  39 )
0.344 * * [simplify]: iteration  3 :  744  enodes  (cost  39 )
0.369 * * [simplify]: iteration  4 :  4742  enodes  (cost  39 )
0.477 * * [simplify]: iteration  5 :  5001  enodes  (cost  39 )
0.478 * [simplify]: Simplified to:
   (expm1 (fma 1/2 (/ x y) 1/2))
  (log1p (fma 1/2 (/ x y) 1/2))
  (* 1/2 (/ x y))
  (log (fma 1/2 (/ x y) 1/2))
  (exp (fma 1/2 (/ x y) 1/2))
  (* (cbrt (fma 1/2 (/ x y) 1/2)) (cbrt (fma 1/2 (/ x y) 1/2)))
  (cbrt (fma 1/2 (/ x y) 1/2))
  (pow (fma 1/2 (/ x y) 1/2) 3)
  (sqrt (fma 1/2 (/ x y) 1/2))
  (sqrt (fma 1/2 (/ x y) 1/2))
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
0.478 * * * [progress]: adding candidates to table
0.500 * [progress]: [Phase 3 of 3] Extracting.
0.500 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.500 * * * [regime-changes]: Trying 3 branch expressions: ((/ (+ x y) (+ y y)) y x)
0.500 * * * * [regimes]: Trying to branch on (/ (+ x y) (+ y y)) from (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.511 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.522 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.538 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.538 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma 1/2 (/ x y) 1/2)
0.539 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.539 * [simplify]: Simplified to:
   (fma 1/2 (/ x y) 1/2)
0.958 * [regime-testing]: Baseline error score: 0.033827348731181546
0.959 * [regime-testing]: Oracle error score: 0.00025003125390673836
0.960 * [regime-testing]: End program error score: 0.033827348731181546
0.977 * [regime-testing]: Target error score: 0.033827348731181546