3.325 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying:
  (+ x (/ (fabs (- y x)) 2.0))
0.016 * * [simplify]: Extracting # 0 : cost  0
0.016 * * [simplify]: Extracting # 1 : cost  0
0.016 * * [simplify]: Extracting # 2 : cost  0
0.016 * * [simplify]: Extracting # 3 : cost  0
0.016 * * [simplify]: Extracting # 4 : cost  0
0.016 * * [simplify]: Extracting # 5 : cost  0
0.016 * * [simplify]: Extracting # 6 : cost  0
0.016 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
0.017 * * [simplify]: Extracting # 0 : cost  0
0.017 * * [simplify]: Extracting # 1 : cost  0
0.017 * * [simplify]: Extracting # 2 : cost  0
0.017 * * [simplify]: iteration  1 :  10  enodes  (cost  8 )
0.018 * * [simplify]: Extracting # 0 : cost  0
0.018 * * [simplify]: iteration  2 :  11  enodes  (cost  8 )
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: iteration done:  11  enodes  (cost  8 )
0.020 * [simplify]: Simplified to:
  (+ x (/ (fabs (- y x)) 2.0))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (fabs (- y x)) 2.0)))>
0.022 * * * [progress]: localizing error
0.028 * * * [progress]: generating rewritten candidates
0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.040 * * * [progress]: generating series expansions
0.040 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.040 * [backup-simplify]: Simplify (+ x (/ (fabs (- y x)) 2.0)) into (+ x (* 0.5 (fabs (- y x))))
0.040 * [approximate]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in (x y) around 0
0.040 * [taylor]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [backup-simplify]: Simplify x into x
0.040 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in y
0.040 * [taylor]: Taking taylor expansion of 0.5 in y
0.040 * [backup-simplify]: Simplify 0.5 into 0.5
0.040 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
0.041 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
0.041 * [taylor]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [backup-simplify]: Simplify 0 into 0
0.041 * [backup-simplify]: Simplify 1 into 1
0.041 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in x
0.041 * [taylor]: Taking taylor expansion of 0.5 in x
0.041 * [backup-simplify]: Simplify 0.5 into 0.5
0.041 * [taylor]: Taking taylor expansion of (fabs (- y x)) in x
0.041 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
0.041 * [taylor]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [backup-simplify]: Simplify 0 into 0
0.041 * [backup-simplify]: Simplify 1 into 1
0.041 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in x
0.041 * [taylor]: Taking taylor expansion of 0.5 in x
0.041 * [backup-simplify]: Simplify 0.5 into 0.5
0.041 * [taylor]: Taking taylor expansion of (fabs (- y x)) in x
0.041 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
0.042 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
0.042 * [backup-simplify]: Simplify (+ 0 (* 0.5 (fabs (- y x)))) into (* 0.5 (fabs (- y x)))
0.042 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in y
0.042 * [taylor]: Taking taylor expansion of 0.5 in y
0.042 * [backup-simplify]: Simplify 0.5 into 0.5
0.042 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
0.042 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
0.042 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
0.042 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
0.042 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- y x)))) into 0
0.043 * [backup-simplify]: Simplify (+ 1 0) into 1
0.043 * [taylor]: Taking taylor expansion of 1 in y
0.043 * [backup-simplify]: Simplify 1 into 1
0.043 * [backup-simplify]: Simplify 1 into 1
0.043 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- y x)))) into 0
0.043 * [backup-simplify]: Simplify 0 into 0
0.044 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (fabs (- y x))))) into 0
0.044 * [backup-simplify]: Simplify (+ 0 0) into 0
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [backup-simplify]: Simplify 0 into 0
0.044 * [backup-simplify]: Simplify 0 into 0
0.044 * [backup-simplify]: Simplify 0 into 0
0.045 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (fabs (- y x))))) into 0
0.045 * [backup-simplify]: Simplify 0 into 0
0.045 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- y x)))))) into 0
0.046 * [backup-simplify]: Simplify (+ 0 0) into 0
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify (+ (* 1 (* 1 x)) (* 0.5 (fabs (- y x)))) into (+ x (* 0.5 (fabs (- y x))))
0.046 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (fabs (- (/ 1 y) (/ 1 x))) 2.0)) into (+ (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) (/ 1 x))
0.046 * [approximate]: Taking taylor expansion of (+ (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) (/ 1 x)) in (x y) around 0
0.046 * [taylor]: Taking taylor expansion of (+ (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) (/ 1 x)) in y
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) in y
0.046 * [taylor]: Taking taylor expansion of 0.5 in y
0.046 * [backup-simplify]: Simplify 0.5 into 0.5
0.047 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.047 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [backup-simplify]: Simplify x into x
0.047 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.047 * [taylor]: Taking taylor expansion of (+ (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) (/ 1 x)) in x
0.047 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) in x
0.047 * [taylor]: Taking taylor expansion of 0.5 in x
0.047 * [backup-simplify]: Simplify 0.5 into 0.5
0.047 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.047 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [backup-simplify]: Simplify 0 into 0
0.047 * [backup-simplify]: Simplify 1 into 1
0.048 * [backup-simplify]: Simplify (/ 1 1) into 1
0.048 * [taylor]: Taking taylor expansion of (+ (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) (/ 1 x)) in x
0.048 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) in x
0.048 * [taylor]: Taking taylor expansion of 0.5 in x
0.048 * [backup-simplify]: Simplify 0.5 into 0.5
0.048 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.048 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [backup-simplify]: Simplify 0 into 0
0.048 * [backup-simplify]: Simplify 1 into 1
0.048 * [backup-simplify]: Simplify (/ 1 1) into 1
0.049 * [backup-simplify]: Simplify (+ 0 1) into 1
0.049 * [taylor]: Taking taylor expansion of 1 in y
0.049 * [backup-simplify]: Simplify 1 into 1
0.049 * [backup-simplify]: Simplify 1 into 1
0.049 * [backup-simplify]: Simplify (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) into (* 0.5 (fabs (- (/ 1 y) (/ 1 x))))
0.050 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.050 * [backup-simplify]: Simplify (+ (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) 0) into (* 0.5 (fabs (- (/ 1 y) (/ 1 x))))
0.050 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) in y
0.050 * [taylor]: Taking taylor expansion of 0.5 in y
0.050 * [backup-simplify]: Simplify 0.5 into 0.5
0.050 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.051 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.051 * [backup-simplify]: Simplify (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) into (* 0.5 (fabs (- (/ 1 y) (/ 1 x))))
0.051 * [backup-simplify]: Simplify (* 0.5 (fabs (- (/ 1 y) (/ 1 x)))) into (* 0.5 (fabs (- (/ 1 y) (/ 1 x))))
0.051 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- (/ 1 y) (/ 1 x))))) into 0
0.053 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.053 * [backup-simplify]: Simplify (+ 0 0) into 0
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- (/ 1 y) (/ 1 x))))) into 0
0.054 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.056 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.056 * [backup-simplify]: Simplify (+ 0 0) into 0
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify (+ (* 0.5 (fabs (- (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 0.5 (fabs (- y x))))
0.057 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (fabs (- (/ 1 (- y)) (/ 1 (- x)))) 2.0)) into (- (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) (/ 1 x))
0.057 * [approximate]: Taking taylor expansion of (- (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) (/ 1 x)) in (x y) around 0
0.057 * [taylor]: Taking taylor expansion of (- (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) (/ 1 x)) in y
0.057 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) in y
0.057 * [taylor]: Taking taylor expansion of 0.5 in y
0.057 * [backup-simplify]: Simplify 0.5 into 0.5
0.057 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.057 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.057 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.057 * [taylor]: Taking taylor expansion of x in y
0.057 * [backup-simplify]: Simplify x into x
0.057 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.057 * [taylor]: Taking taylor expansion of (- (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) (/ 1 x)) in x
0.057 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) in x
0.058 * [taylor]: Taking taylor expansion of 0.5 in x
0.058 * [backup-simplify]: Simplify 0.5 into 0.5
0.058 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.058 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 1 into 1
0.071 * [backup-simplify]: Simplify (/ 1 1) into 1
0.071 * [taylor]: Taking taylor expansion of (- (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) (/ 1 x)) in x
0.071 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) in x
0.071 * [taylor]: Taking taylor expansion of 0.5 in x
0.071 * [backup-simplify]: Simplify 0.5 into 0.5
0.071 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.071 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.073 * [backup-simplify]: Simplify (- 1) into -1
0.073 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.073 * [taylor]: Taking taylor expansion of -1 in y
0.073 * [backup-simplify]: Simplify -1 into -1
0.073 * [backup-simplify]: Simplify -1 into -1
0.073 * [backup-simplify]: Simplify (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) into (* 0.5 (fabs (- (/ 1 x) (/ 1 y))))
0.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify (- 0) into 0
0.075 * [backup-simplify]: Simplify (+ (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) 0) into (* 0.5 (fabs (- (/ 1 x) (/ 1 y))))
0.075 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) in y
0.075 * [taylor]: Taking taylor expansion of 0.5 in y
0.075 * [backup-simplify]: Simplify 0.5 into 0.5
0.075 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.075 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.075 * [backup-simplify]: Simplify (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) into (* 0.5 (fabs (- (/ 1 x) (/ 1 y))))
0.075 * [backup-simplify]: Simplify (* 0.5 (fabs (- (/ 1 x) (/ 1 y)))) into (* 0.5 (fabs (- (/ 1 x) (/ 1 y))))
0.075 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- (/ 1 x) (/ 1 y))))) into 0
0.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- (/ 1 x) (/ 1 y))))) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.082 * [backup-simplify]: Simplify (- 0) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* 0.5 (fabs (- (/ 1 (/ 1 (- x))) (/ 1 (/ 1 (- y)))))) (* -1 (* 1 (/ 1 (/ 1 (- x)))))) into (+ x (* 0.5 (fabs (- y x))))
0.083 * * * [progress]: simplifying candidates
0.083 * [simplify]: Simplifying:
  (* (exp x) (exp (/ (fabs (- y x)) 2.0)))
  (log (+ x (/ (fabs (- y x)) 2.0)))
  (exp (+ x (/ (fabs (- y x)) 2.0)))
  (* (cbrt (+ x (/ (fabs (- y x)) 2.0))) (cbrt (+ x (/ (fabs (- y x)) 2.0))))
  (cbrt (+ x (/ (fabs (- y x)) 2.0)))
  (* (* (+ x (/ (fabs (- y x)) 2.0)) (+ x (/ (fabs (- y x)) 2.0))) (+ x (/ (fabs (- y x)) 2.0)))
  (sqrt (+ x (/ (fabs (- y x)) 2.0)))
  (sqrt (+ x (/ (fabs (- y x)) 2.0)))
  (+ (pow x 3) (pow (/ (fabs (- y x)) 2.0) 3))
  (+ (* x x) (- (* (/ (fabs (- y x)) 2.0) (/ (fabs (- y x)) 2.0)) (* x (/ (fabs (- y x)) 2.0))))
  (- (* x x) (* (/ (fabs (- y x)) 2.0) (/ (fabs (- y x)) 2.0)))
  (- x (/ (fabs (- y x)) 2.0))
  (+ x (/ (fabs (- y x)) 2.0))
  (+ x (* 0.5 (fabs (- y x))))
  (+ x (* 0.5 (fabs (- y x))))
  (+ x (* 0.5 (fabs (- y x))))
0.084 * * [simplify]: Extracting # 0 : cost  0
0.084 * * [simplify]: Extracting # 1 : cost  0
0.084 * * [simplify]: Extracting # 2 : cost  0
0.084 * * [simplify]: Extracting # 3 : cost  0
0.084 * * [simplify]: Extracting # 4 : cost  0
0.085 * * [simplify]: Extracting # 5 : cost  0
0.085 * * [simplify]: Extracting # 6 : cost  0
0.085 * * [simplify]: Extracting # 7 : cost  0
0.085 * * [simplify]: Extracting # 8 : cost  0
0.085 * * [simplify]: iteration  0 :  31  enodes  (cost  195 )
0.098 * * [simplify]: Extracting # 0 : cost  0
0.098 * * [simplify]: Extracting # 1 : cost  0
0.098 * * [simplify]: Extracting # 2 : cost  0
0.099 * * [simplify]: Extracting # 3 : cost  0
0.099 * * [simplify]: Extracting # 4 : cost  0
0.099 * * [simplify]: iteration  1 :  84  enodes  (cost  187 )
0.140 * * [simplify]: Extracting # 0 : cost  0
0.141 * * [simplify]: Extracting # 1 : cost  0
0.141 * * [simplify]: Extracting # 2 : cost  0
0.142 * * [simplify]: Extracting # 3 : cost  0
0.142 * * [simplify]: Extracting # 4 : cost  0
0.142 * * [simplify]: iteration  2 :  209  enodes  (cost  171 )
0.211 * * [simplify]: Extracting # 0 : cost  0
0.211 * * [simplify]: Extracting # 1 : cost  0
0.212 * * [simplify]: Extracting # 2 : cost  0
0.212 * * [simplify]: Extracting # 3 : cost  0
0.212 * * [simplify]: Extracting # 4 : cost  0
0.213 * * [simplify]: iteration  3 :  459  enodes  (cost  171 )
0.476 * * [simplify]: Extracting # 0 : cost  0
0.478 * * [simplify]: Extracting # 1 : cost  0
0.479 * * [simplify]: Extracting # 2 : cost  0
0.480 * * [simplify]: Extracting # 3 : cost  0
0.481 * * [simplify]: iteration  4 :  1200  enodes  (cost  171 )
1.457 * * [simplify]: Extracting # 0 : cost  0
1.460 * * [simplify]: Extracting # 1 : cost  0
1.463 * * [simplify]: Extracting # 2 : cost  0
1.465 * * [simplify]: Extracting # 3 : cost  0
1.468 * * [simplify]: Extracting # 4 : cost  0
1.470 * * [simplify]: iteration  5 :  2875  enodes  (cost  171 )
2.866 * * [simplify]: Extracting # 0 : cost  0
2.873 * * [simplify]: Extracting # 1 : cost  0
2.878 * * [simplify]: Extracting # 2 : cost  0
2.883 * * [simplify]: Extracting # 3 : cost  0
2.891 * * [simplify]: iteration done:  5001  enodes  (cost  171 )
2.892 * [simplify]: Simplified to:
  (exp (+ x (/ (fabs (- y x)) 2.0)))
  (log (+ x (/ (fabs (- y x)) 2.0)))
  (exp (+ x (/ (fabs (- y x)) 2.0)))
  (* (cbrt (+ x (/ (fabs (- y x)) 2.0))) (cbrt (+ x (/ (fabs (- y x)) 2.0))))
  (cbrt (+ x (/ (fabs (- y x)) 2.0)))
  (pow (+ x (/ (fabs (- y x)) 2.0)) 3)
  (sqrt (+ x (/ (fabs (- y x)) 2.0)))
  (sqrt (+ x (/ (fabs (- y x)) 2.0)))
  (+ (pow x 3) (pow (/ (fabs (- y x)) 2.0) 3))
  (+ (* x x) (* (/ (fabs (- y x)) 2.0) (- (/ (fabs (- y x)) 2.0) x)))
  (- (* x x) (* (/ (fabs (- y x)) 2.0) (/ (fabs (- y x)) 2.0)))
  (- x (/ (fabs (- y x)) 2.0))
  (+ x (/ (fabs (- y x)) 2.0))
  (+ x (* 0.5 (fabs (- y x))))
  (+ x (* 0.5 (fabs (- y x))))
  (+ x (* 0.5 (fabs (- y x))))
2.892 * * * [progress]: adding candidates to table
2.945 * * [progress]: iteration 2 / 4
2.945 * * * [progress]: picking best candidate
2.953 * * * * [pick]: Picked  #<alt (λ (x y) (* (* (cbrt (+ x (/ (fabs (- y x)) 2.0))) (cbrt (+ x (/ (fabs (- y x)) 2.0)))) (cbrt (+ x (/ (fabs (- y x)) 2.0)))))>
2.953 * * * [progress]: localizing error
2.976 * * * [progress]: generating rewritten candidates
2.976 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
3.000 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2)
3.017 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1)
3.034 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1)
3.162 * * * [progress]: generating series expansions
3.162 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
3.162 * [backup-simplify]: Simplify (cbrt (+ x (/ (fabs (- y x)) 2.0))) into (pow (+ x (* 0.5 (fabs (- y x)))) 1/3)
3.162 * [approximate]: Taking taylor expansion of (pow (+ x (* 0.5 (fabs (- y x)))) 1/3) in (x y) around 0
3.162 * [taylor]: Taking taylor expansion of (pow (+ x (* 0.5 (fabs (- y x)))) 1/3) in y
3.162 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (+ x (* 0.5 (fabs (- y x))))))) in y
3.162 * [taylor]: Taking taylor expansion of (* 1/3 (log (+ x (* 0.5 (fabs (- y x)))))) in y
3.163 * [taylor]: Taking taylor expansion of 1/3 in y
3.163 * [backup-simplify]: Simplify 1/3 into 1/3
3.163 * [taylor]: Taking taylor expansion of (log (+ x (* 0.5 (fabs (- y x))))) in y
3.163 * [taylor]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in y
3.163 * [taylor]: Taking taylor expansion of x in y
3.163 * [backup-simplify]: Simplify x into x
3.163 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in y
3.163 * [taylor]: Taking taylor expansion of 0.5 in y
3.163 * [backup-simplify]: Simplify 0.5 into 0.5
3.163 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
3.163 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.163 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
3.163 * [backup-simplify]: Simplify (+ x (* 0.5 (fabs (- y x)))) into (+ x (* 0.5 (fabs (- y x))))
3.163 * [backup-simplify]: Simplify (log (+ x (* 0.5 (fabs (- y x))))) into (log (+ x (* 0.5 (fabs (- y x)))))
3.164 * [backup-simplify]: Simplify (* 1/3 (log (+ x (* 0.5 (fabs (- y x)))))) into (* 1/3 (log (+ x (* 0.5 (fabs (- y x))))))
3.164 * [backup-simplify]: Simplify (exp (* 1/3 (log (+ x (* 0.5 (fabs (- y x))))))) into (pow (+ x (* 0.5 (fabs (- y x)))) 1/3)
3.164 * [taylor]: Taking taylor expansion of (pow (+ x (* 0.5 (fabs (- y x)))) 1/3) in x
3.164 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (+ x (* 0.5 (fabs (- y x))))))) in x
3.164 * [taylor]: Taking taylor expansion of (* 1/3 (log (+ x (* 0.5 (fabs (- y x)))))) in x
3.164 * [taylor]: Taking taylor expansion of 1/3 in x
3.164 * [backup-simplify]: Simplify 1/3 into 1/3
3.164 * [taylor]: Taking taylor expansion of (log (+ x (* 0.5 (fabs (- y x))))) in x
3.164 * [taylor]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in x
3.164 * [taylor]: Taking taylor expansion of x in x
3.164 * [backup-simplify]: Simplify 0 into 0
3.164 * [backup-simplify]: Simplify 1 into 1
3.164 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in x
3.164 * [taylor]: Taking taylor expansion of 0.5 in x
3.164 * [backup-simplify]: Simplify 0.5 into 0.5
3.164 * [taylor]: Taking taylor expansion of (fabs (- y x)) in x
3.165 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.165 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
3.165 * [backup-simplify]: Simplify (+ 0 (* 0.5 (fabs (- y x)))) into (* 0.5 (fabs (- y x)))
3.165 * [backup-simplify]: Simplify (log (* 0.5 (fabs (- y x)))) into (log (* 0.5 (fabs (- y x))))
3.165 * [backup-simplify]: Simplify (* 1/3 (log (* 0.5 (fabs (- y x))))) into (* 1/3 (log (* 0.5 (fabs (- y x)))))
3.165 * [backup-simplify]: Simplify (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) into (pow (* 0.5 (fabs (- y x))) 1/3)
3.165 * [taylor]: Taking taylor expansion of (pow (+ x (* 0.5 (fabs (- y x)))) 1/3) in x
3.165 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (+ x (* 0.5 (fabs (- y x))))))) in x
3.165 * [taylor]: Taking taylor expansion of (* 1/3 (log (+ x (* 0.5 (fabs (- y x)))))) in x
3.165 * [taylor]: Taking taylor expansion of 1/3 in x
3.165 * [backup-simplify]: Simplify 1/3 into 1/3
3.165 * [taylor]: Taking taylor expansion of (log (+ x (* 0.5 (fabs (- y x))))) in x
3.165 * [taylor]: Taking taylor expansion of (+ x (* 0.5 (fabs (- y x)))) in x
3.165 * [taylor]: Taking taylor expansion of x in x
3.166 * [backup-simplify]: Simplify 0 into 0
3.166 * [backup-simplify]: Simplify 1 into 1
3.166 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in x
3.166 * [taylor]: Taking taylor expansion of 0.5 in x
3.166 * [backup-simplify]: Simplify 0.5 into 0.5
3.166 * [taylor]: Taking taylor expansion of (fabs (- y x)) in x
3.166 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.166 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
3.166 * [backup-simplify]: Simplify (+ 0 (* 0.5 (fabs (- y x)))) into (* 0.5 (fabs (- y x)))
3.166 * [backup-simplify]: Simplify (log (* 0.5 (fabs (- y x)))) into (log (* 0.5 (fabs (- y x))))
3.166 * [backup-simplify]: Simplify (* 1/3 (log (* 0.5 (fabs (- y x))))) into (* 1/3 (log (* 0.5 (fabs (- y x)))))
3.166 * [backup-simplify]: Simplify (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) into (pow (* 0.5 (fabs (- y x))) 1/3)
3.167 * [taylor]: Taking taylor expansion of (pow (* 0.5 (fabs (- y x))) 1/3) in y
3.167 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) in y
3.167 * [taylor]: Taking taylor expansion of (* 1/3 (log (* 0.5 (fabs (- y x))))) in y
3.167 * [taylor]: Taking taylor expansion of 1/3 in y
3.167 * [backup-simplify]: Simplify 1/3 into 1/3
3.167 * [taylor]: Taking taylor expansion of (log (* 0.5 (fabs (- y x)))) in y
3.167 * [taylor]: Taking taylor expansion of (* 0.5 (fabs (- y x))) in y
3.167 * [taylor]: Taking taylor expansion of 0.5 in y
3.167 * [backup-simplify]: Simplify 0.5 into 0.5
3.167 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
3.167 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.167 * [backup-simplify]: Simplify (* 0.5 (fabs (- y x))) into (* 0.5 (fabs (- y x)))
3.167 * [backup-simplify]: Simplify (log (* 0.5 (fabs (- y x)))) into (log (* 0.5 (fabs (- y x))))
3.167 * [backup-simplify]: Simplify (* 1/3 (log (* 0.5 (fabs (- y x))))) into (* 1/3 (log (* 0.5 (fabs (- y x)))))
3.168 * [backup-simplify]: Simplify (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) into (pow (* 0.5 (fabs (- y x))) 1/3)
3.168 * [backup-simplify]: Simplify (pow (* 0.5 (fabs (- y x))) 1/3) into (pow (* 0.5 (fabs (- y x))) 1/3)
3.170 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- y x)))) into 0
3.170 * [backup-simplify]: Simplify (+ 1 0) into 1
3.171 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow (* 0.5 (fabs (- y x))) 1)))) 1) into (/ 2.0 (fabs (- y x)))
3.171 * [backup-simplify]: Simplify (+ (* 1/3 (/ 2.0 (fabs (- y x)))) (* 0 (log (* 0.5 (fabs (- y x)))))) into (* 0.6666666666666666 (/ 1 (fabs (- y x))))
3.172 * [backup-simplify]: Simplify (* (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) (+ (* (/ (pow (* 0.6666666666666666 (/ 1 (fabs (- y x)))) 1) 1)))) into (* 0.6666666666666666 (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3))
3.172 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3)) in y
3.172 * [taylor]: Taking taylor expansion of 0.6666666666666666 in y
3.172 * [backup-simplify]: Simplify 0.6666666666666666 into 0.6666666666666666
3.172 * [taylor]: Taking taylor expansion of (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3) in y
3.172 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 0.5 (pow (fabs (- y x)) 2))))) in y
3.172 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 0.5 (pow (fabs (- y x)) 2)))) in y
3.172 * [taylor]: Taking taylor expansion of 1/3 in y
3.172 * [backup-simplify]: Simplify 1/3 into 1/3
3.172 * [taylor]: Taking taylor expansion of (log (/ 0.5 (pow (fabs (- y x)) 2))) in y
3.172 * [taylor]: Taking taylor expansion of (/ 0.5 (pow (fabs (- y x)) 2)) in y
3.172 * [taylor]: Taking taylor expansion of 0.5 in y
3.172 * [backup-simplify]: Simplify 0.5 into 0.5
3.172 * [taylor]: Taking taylor expansion of (pow (fabs (- y x)) 2) in y
3.172 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
3.173 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.173 * [backup-simplify]: Simplify (* (fabs (- y x)) (fabs (- y x))) into (pow (fabs (- y x)) 2)
3.173 * [backup-simplify]: Simplify (/ 0.5 (pow (fabs (- y x)) 2)) into (/ 0.5 (pow (fabs (- y x)) 2))
3.173 * [backup-simplify]: Simplify (log (/ 0.5 (pow (fabs (- y x)) 2))) into (log (/ 0.5 (pow (fabs (- y x)) 2)))
3.173 * [backup-simplify]: Simplify (* 1/3 (log (/ 0.5 (pow (fabs (- y x)) 2)))) into (* 1/3 (log (/ 0.5 (pow (fabs (- y x)) 2))))
3.174 * [backup-simplify]: Simplify (exp (* 1/3 (log (/ 0.5 (pow (fabs (- y x)) 2))))) into (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3)
3.174 * [backup-simplify]: Simplify (* 0.6666666666666666 (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3)) into (* 0.6666666666666666 (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3))
3.174 * [backup-simplify]: Simplify (* 0.6666666666666666 (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3)) into (* 0.6666666666666666 (pow (/ 0.5 (pow (fabs (- y x)) 2)) 1/3))
3.175 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (fabs (- y x)))) into 0
3.176 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (* 0.5 (fabs (- y x))) 1)))) 1) into 0
3.177 * [backup-simplify]: Simplify (+ (* 1/3 0) (* 0 (log (* 0.5 (fabs (- y x)))))) into 0
3.178 * [backup-simplify]: Simplify (* (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) (+ (* (/ (pow 0 1) 1)))) into 0
3.178 * [backup-simplify]: Simplify 0 into 0
3.179 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (fabs (- y x))))) into 0
3.180 * [backup-simplify]: Simplify (+ 0 0) into 0
3.182 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow (* 0.5 (fabs (- y x))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (* 0.5 (fabs (- y x))) 1)))) 2) into (/ -1/2 (* (pow (fabs (- y x)) 2) (pow 0.5 2)))
3.183 * [backup-simplify]: Simplify (+ (* 1/3 (/ -1/2 (* (pow (fabs (- y x)) 2) (pow 0.5 2)))) (+ (* 0 (/ 2.0 (fabs (- y x)))) (* 0 (log (* 0.5 (fabs (- y x))))))) into (- (* 1/6 (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2)))))
3.184 * [backup-simplify]: Simplify (* (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) (+ (* (/ (pow (* 0.6666666666666666 (/ 1 (fabs (- y x)))) 2) 2)) (* (/ (pow (- (* 1/6 (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2))))) 1) 1)))) into (* (- (* 0.2222222222222222 (/ 1 (pow (fabs (- y x)) 2))) (* 1/6 (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2))))) (pow (* (fabs (- y x)) 0.5) 1/3))
3.184 * [taylor]: Taking taylor expansion of (* (- (* 0.2222222222222222 (/ 1 (pow (fabs (- y x)) 2))) (* 1/6 (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2))))) (pow (* (fabs (- y x)) 0.5) 1/3)) in y
3.184 * [taylor]: Taking taylor expansion of (- (* 0.2222222222222222 (/ 1 (pow (fabs (- y x)) 2))) (* 1/6 (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2))))) in y
3.184 * [taylor]: Taking taylor expansion of (* 0.2222222222222222 (/ 1 (pow (fabs (- y x)) 2))) in y
3.184 * [taylor]: Taking taylor expansion of 0.2222222222222222 in y
3.184 * [backup-simplify]: Simplify 0.2222222222222222 into 0.2222222222222222
3.184 * [taylor]: Taking taylor expansion of (/ 1 (pow (fabs (- y x)) 2)) in y
3.184 * [taylor]: Taking taylor expansion of (pow (fabs (- y x)) 2) in y
3.184 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
3.185 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.185 * [backup-simplify]: Simplify (* (fabs (- y x)) (fabs (- y x))) into (pow (fabs (- y x)) 2)
3.185 * [backup-simplify]: Simplify (/ 1 (pow (fabs (- y x)) 2)) into (/ 1 (pow (fabs (- y x)) 2))
3.185 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2)))) in y
3.185 * [taylor]: Taking taylor expansion of 1/6 in y
3.185 * [backup-simplify]: Simplify 1/6 into 1/6
3.185 * [taylor]: Taking taylor expansion of (/ 1 (* (pow (fabs (- y x)) 2) (pow 0.5 2))) in y
3.185 * [taylor]: Taking taylor expansion of (* (pow (fabs (- y x)) 2) (pow 0.5 2)) in y
3.185 * [taylor]: Taking taylor expansion of (pow (fabs (- y x)) 2) in y
3.185 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
3.185 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.185 * [taylor]: Taking taylor expansion of (pow 0.5 2) in y
3.185 * [taylor]: Taking taylor expansion of 0.5 in y
3.185 * [backup-simplify]: Simplify 0.5 into 0.5
3.185 * [backup-simplify]: Simplify (* (fabs (- y x)) (fabs (- y x))) into (pow (fabs (- y x)) 2)
3.186 * [backup-simplify]: Simplify (* 0.5 0.5) into 0.25
3.186 * [backup-simplify]: Simplify (* (pow (fabs (- y x)) 2) 0.25) into (* 0.25 (pow (fabs (- y x)) 2))
3.186 * [backup-simplify]: Simplify (/ 1 (* 0.25 (pow (fabs (- y x)) 2))) into (/ 4.0 (pow (fabs (- y x)) 2))
3.186 * [taylor]: Taking taylor expansion of (pow (* (fabs (- y x)) 0.5) 1/3) in y
3.186 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (* (fabs (- y x)) 0.5)))) in y
3.186 * [taylor]: Taking taylor expansion of (* 1/3 (log (* (fabs (- y x)) 0.5))) in y
3.186 * [taylor]: Taking taylor expansion of 1/3 in y
3.186 * [backup-simplify]: Simplify 1/3 into 1/3
3.187 * [taylor]: Taking taylor expansion of (log (* (fabs (- y x)) 0.5)) in y
3.187 * [taylor]: Taking taylor expansion of (* (fabs (- y x)) 0.5) in y
3.187 * [taylor]: Taking taylor expansion of (fabs (- y x)) in y
3.187 * [backup-simplify]: Simplify (fabs (- y x)) into (fabs (- y x))
3.187 * [taylor]: Taking taylor expansion of 0.5 in y
3.187 * [backup-simplify]: Simplify 0.5 into 0.5
3.187 * [backup-simplify]: Simplify (* (fabs (- y x)) 0.5) into (* 0.5 (fabs (- y x)))
3.187 * [backup-simplify]: Simplify (log (* 0.5 (fabs (- y x)))) into (log (* 0.5 (fabs (- y x))))
3.187 * [backup-simplify]: Simplify (* 1/3 (log (* 0.5 (fabs (- y x))))) into (* 1/3 (log (* 0.5 (fabs (- y x)))))
3.188 * [backup-simplify]: Simplify (exp (* 1/3 (log (* 0.5 (fabs (- y x)))))) into (pow (* 0.5 (fabs (- y x))) 1/3)
3.188 * [backup-simplify]: Simplify (* 0.2222222222222222 (/ 1 (pow (fabs (- y x)) 2))) into (/ 0.2222222222222222 (pow (fabs (- y x)) 2))
3.188 * [backup-simplify]: Simplify (* 1/6 (/ 4.0 (pow (fabs (- y x)) 2))) into (/ 0.6666666666666666 (pow (fabs (- y x)) 2))
3.188 * [backup-simplify]: Simplify (- (/ 0.6666666666666666 (pow (fabs (- y x)) 2))) into (- (* 0.6666666666666666 (/ 1 (pow (fabs (- y x)) 2))))
3.189 * [backup-simplify]: Simplify (+ (/ 0.2222222222222222 (pow (fabs (- y x)) 2)) (- (* 0.6666666666666666 (/ 1 (pow (fabs (- y x)) 2))))) into (- (* 0.4444444444444444 (/ 1 (pow (fabs (- y x)) 2))))
3.189 * [backup-simplify]: Simplify (* (- (* 0.4444444444444444 (/ 1 (pow (fabs (- y x)) 2)))) (pow (* 0.5 (fabs (- y x))) 1/3)) into (* -0.4444444444444444 (pow (/ 0.5 (pow (fabs (- y x)) 5)) 1/3))
3.189 * [backup-simplify]: Simplify (* -0.4444444444444444 (pow (/ 0.5 (pow (fabs (- y x)) 5)) 1/3)) into (* -0.4444444444444444 (pow (/ 0.5 (pow (fabs (- y x)) 5)) 1/3))