0.929 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (- 1.0 (* x x)))
0.017 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.018 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
0.019 * * [simplify]: iteration  2 :  11  enodes  (cost  6 )
0.020 * * [simplify]: iteration  done :  11  enodes  (cost  6 )
0.020 * [simplify]: Simplified to:
   (sqrt (- 1.0 (* x x)))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.021 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (- 1.0 (* x x))))>
0.021 * * * [progress]: localizing error
0.025 * * * [progress]: generating rewritten candidates
0.025 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.029 * * * [progress]: generating series expansions
0.029 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.029 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in (x) around 0
0.029 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.029 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.029 * [taylor]: Taking taylor expansion of 1.0 in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.030 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.030 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.030 * [taylor]: Taking taylor expansion of 1.0 in x
0.030 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.030 * [taylor]: Taking taylor expansion of x in x
0.044 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.044 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.044 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.044 * [taylor]: Taking taylor expansion of 1.0 in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.044 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.047 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.047 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.047 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.065 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.065 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.065 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.065 * [taylor]: Taking taylor expansion of 1.0 in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.068 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.068 * [taylor]: Taking taylor expansion of 1.0 in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.068 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.091 * * * [progress]: simplifying candidates
0.091 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (log (sqrt (- 1.0 (* x x))))
  (exp (sqrt (- 1.0 (* x x))))
  (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x)))))
  (cbrt (sqrt (- 1.0 (* x x))))
  (* (* (sqrt (- 1.0 (* x x))) (sqrt (- 1.0 (* x x)))) (sqrt (- 1.0 (* x x))))
  (sqrt (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))
  (sqrt (cbrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt 1)
  (sqrt (- 1.0 (* x x)))
  (sqrt (+ (sqrt 1.0) x))
  (sqrt (- (sqrt 1.0) x))
  (sqrt (- (pow 1.0 3) (pow (* x x) 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* (* x x) (* x x)) (* 1.0 (* x x)))))
  (sqrt (- (* 1.0 1.0) (* (* x x) (* x x))))
  (sqrt (+ 1.0 (* x x)))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))) (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))))
  (- (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))) (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))))
0.093 * * [simplify]: iteration  0 :  67  enodes  (cost  246 )
0.104 * * [simplify]: iteration  1 :  155  enodes  (cost  222 )
0.131 * * [simplify]: iteration  2 :  461  enodes  (cost  206 )