8.291 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (- 1.0 (* x x)))
0.018 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.019 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
0.020 * * [simplify]: iteration  2 :  11  enodes  (cost  6 )
0.021 * * [simplify]: iteration  3 :  13  enodes  (cost  6 )
0.023 * * [simplify]: iteration  done :  13  enodes  (cost  6 )
0.023 * [simplify]: Simplified to:
   (sqrt (- 1.0 (* x x)))
0.023 * * [progress]: iteration 1 / 4
0.023 * * * [progress]: picking best candidate
0.025 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (- 1.0 (* x x))))>
0.025 * * * [progress]: localizing error
0.032 * * * [progress]: generating rewritten candidates
0.032 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.036 * * * [progress]: generating series expansions
0.036 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.037 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in (x) around 0
0.037 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.037 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.038 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.038 * [taylor]: Taking taylor expansion of 1.0 in x
0.038 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.054 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.054 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.054 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.054 * [taylor]: Taking taylor expansion of 1.0 in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.057 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.057 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.077 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.077 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.077 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.080 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.080 * [taylor]: Taking taylor expansion of 1.0 in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.099 * * * [progress]: simplifying candidates
0.100 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (sqrt (- 1.0 (* x x))))
  (log1p (sqrt (- 1.0 (* x x))))
  (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))))
0.102 * * [simplify]: iteration  0 :  69  enodes  (cost  260 )
0.118 * * [simplify]: iteration  1 :  163  enodes  (cost  230 )
0.156 * * [simplify]: iteration  2 :  487  enodes  (cost  214 )
0.392 * * [simplify]: iteration  3 :  1935  enodes  (cost  211 )
1.127 * * [simplify]: iteration  done :  5001  enodes  (cost  211 )
1.128 * [simplify]: Simplified to:
   (expm1 (sqrt (- 1.0 (* x x))))
  (log1p (sqrt (- 1.0 (* x x))))
  (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))))
  (pow (sqrt (- 1.0 (* x x))) 3)
  (fabs (cbrt (- 1.0 (* x x))))
  (sqrt (cbrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  1
  (sqrt (- 1.0 (* x x)))
  (sqrt (+ (sqrt 1.0) x))
  (sqrt (- (sqrt 1.0) x))
  (sqrt (- (pow 1.0 3) (pow x 6)))
  (sqrt (+ (pow x 4) (* (fma x x 1.0) 1.0)))
  (sqrt (fma 1.0 1.0 (- (pow x 4))))
  (sqrt (fma x x 1.0))
  1/2
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (- (sqrt 1.0) (fma 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3)) (* 1/2 (/ (pow x 2) (sqrt 1.0)))))
  (- (fma (sqrt -1) x (/ 0.5 (* x (sqrt -1)))) (/ 0.125 (- (* (pow x 3) (sqrt -1)))))
  (- (/ 0.125 (- (* (pow x 3) (sqrt -1)))) (fma (sqrt -1) x (/ 0.5 (* x (sqrt -1)))))
1.128 * * * [progress]: adding candidates to table
1.183 * * [progress]: iteration 2 / 4
1.183 * * * [progress]: picking best candidate
1.186 * * * * [pick]: Picked  #<alt (λ (x) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))>
1.186 * * * [progress]: localizing error
1.198 * * * [progress]: generating rewritten candidates
1.198 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.203 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
1.207 * * * [progress]: generating series expansions
1.207 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.207 * [approximate]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0))) in (x) around 0
1.207 * [taylor]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0))) in x
1.207 * [taylor]: Taking taylor expansion of (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0)) in x
1.207 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (pow x 4))) in x
1.207 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (pow x 4)))
1.207 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.207 * [taylor]: Taking taylor expansion of 1.0 in x
1.207 * [taylor]: Taking taylor expansion of 1.0 in x
1.207 * [taylor]: Taking taylor expansion of (- (pow x 4)) in x
1.207 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.207 * [taylor]: Taking taylor expansion of x in x
1.207 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
1.207 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
1.207 * [taylor]: Taking taylor expansion of (* x x) in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of 1.0 in x
1.211 * [taylor]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0))) in x
1.211 * [taylor]: Taking taylor expansion of (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0)) in x
1.212 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (pow x 4))) in x
1.212 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (pow x 4)))
1.212 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.212 * [taylor]: Taking taylor expansion of 1.0 in x
1.212 * [taylor]: Taking taylor expansion of 1.0 in x
1.212 * [taylor]: Taking taylor expansion of (- (pow x 4)) in x
1.212 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.212 * [taylor]: Taking taylor expansion of x in x
1.212 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
1.212 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
1.212 * [taylor]: Taking taylor expansion of (* x x) in x
1.212 * [taylor]: Taking taylor expansion of x in x
1.212 * [taylor]: Taking taylor expansion of x in x
1.212 * [taylor]: Taking taylor expansion of 1.0 in x
1.239 * [approximate]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ 1 x) (/ 1 x) 1.0))) in (x) around 0
1.239 * [taylor]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ 1 x) (/ 1 x) 1.0))) in x
1.239 * [taylor]: Taking taylor expansion of (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ 1 x) (/ 1 x) 1.0)) in x
1.239 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.239 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.239 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.239 * [taylor]: Taking taylor expansion of 1.0 in x
1.240 * [taylor]: Taking taylor expansion of 1.0 in x
1.240 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.240 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.240 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.240 * [taylor]: Taking taylor expansion of x in x
1.240 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
1.241 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
1.241 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
1.241 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.241 * [taylor]: Taking taylor expansion of x in x
1.241 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.241 * [taylor]: Taking taylor expansion of x in x
1.241 * [taylor]: Taking taylor expansion of 1.0 in x
1.247 * [taylor]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ 1 x) (/ 1 x) 1.0))) in x
1.247 * [taylor]: Taking taylor expansion of (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ 1 x) (/ 1 x) 1.0)) in x
1.247 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.247 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.247 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.247 * [taylor]: Taking taylor expansion of 1.0 in x
1.247 * [taylor]: Taking taylor expansion of 1.0 in x
1.247 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.247 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.247 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.247 * [taylor]: Taking taylor expansion of x in x
1.248 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
1.248 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
1.248 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
1.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.248 * [taylor]: Taking taylor expansion of x in x
1.249 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.249 * [taylor]: Taking taylor expansion of x in x
1.249 * [taylor]: Taking taylor expansion of 1.0 in x
1.290 * [approximate]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ -1 x) (/ -1 x) 1.0))) in (x) around 0
1.290 * [taylor]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ -1 x) (/ -1 x) 1.0))) in x
1.290 * [taylor]: Taking taylor expansion of (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ -1 x) (/ -1 x) 1.0)) in x
1.290 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.290 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.290 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.290 * [taylor]: Taking taylor expansion of 1.0 in x
1.290 * [taylor]: Taking taylor expansion of 1.0 in x
1.290 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.290 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.290 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.290 * [taylor]: Taking taylor expansion of x in x
1.291 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
1.292 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
1.292 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
1.292 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.292 * [taylor]: Taking taylor expansion of -1 in x
1.292 * [taylor]: Taking taylor expansion of x in x
1.292 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.292 * [taylor]: Taking taylor expansion of -1 in x
1.292 * [taylor]: Taking taylor expansion of x in x
1.292 * [taylor]: Taking taylor expansion of 1.0 in x
1.298 * [taylor]: Taking taylor expansion of (sqrt (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ -1 x) (/ -1 x) 1.0))) in x
1.298 * [taylor]: Taking taylor expansion of (/ (fma 1.0 1.0 (- (/ 1 (pow x 4)))) (fma (/ -1 x) (/ -1 x) 1.0)) in x
1.298 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.298 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.298 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.298 * [taylor]: Taking taylor expansion of 1.0 in x
1.298 * [taylor]: Taking taylor expansion of 1.0 in x
1.298 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.298 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.298 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.298 * [taylor]: Taking taylor expansion of x in x
1.300 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
1.300 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
1.300 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
1.300 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.300 * [taylor]: Taking taylor expansion of -1 in x
1.300 * [taylor]: Taking taylor expansion of x in x
1.300 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.300 * [taylor]: Taking taylor expansion of -1 in x
1.300 * [taylor]: Taking taylor expansion of x in x
1.301 * [taylor]: Taking taylor expansion of 1.0 in x
1.337 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
1.337 * [approximate]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (pow x 4)))) in (x) around 0
1.337 * [taylor]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (pow x 4)))) in x
1.337 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (pow x 4))) in x
1.337 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (pow x 4)))
1.337 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.337 * [taylor]: Taking taylor expansion of 1.0 in x
1.337 * [taylor]: Taking taylor expansion of 1.0 in x
1.337 * [taylor]: Taking taylor expansion of (- (pow x 4)) in x
1.337 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.337 * [taylor]: Taking taylor expansion of x in x
1.339 * [taylor]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (pow x 4)))) in x
1.339 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (pow x 4))) in x
1.339 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (pow x 4)))
1.339 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.339 * [taylor]: Taking taylor expansion of 1.0 in x
1.339 * [taylor]: Taking taylor expansion of 1.0 in x
1.339 * [taylor]: Taking taylor expansion of (- (pow x 4)) in x
1.339 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.339 * [taylor]: Taking taylor expansion of x in x
1.372 * [approximate]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (/ 1 (pow x 4))))) in (x) around 0
1.373 * [taylor]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (/ 1 (pow x 4))))) in x
1.373 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.373 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.373 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.373 * [taylor]: Taking taylor expansion of 1.0 in x
1.373 * [taylor]: Taking taylor expansion of 1.0 in x
1.373 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.373 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.373 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.373 * [taylor]: Taking taylor expansion of x in x
1.376 * [taylor]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (/ 1 (pow x 4))))) in x
1.376 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.377 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.377 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.377 * [taylor]: Taking taylor expansion of 1.0 in x
1.377 * [taylor]: Taking taylor expansion of 1.0 in x
1.377 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.377 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.377 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.377 * [taylor]: Taking taylor expansion of x in x
1.418 * [approximate]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (/ 1 (pow x 4))))) in (x) around 0
1.418 * [taylor]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (/ 1 (pow x 4))))) in x
1.418 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.418 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.418 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.418 * [taylor]: Taking taylor expansion of 1.0 in x
1.418 * [taylor]: Taking taylor expansion of 1.0 in x
1.418 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.418 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.418 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.418 * [taylor]: Taking taylor expansion of x in x
1.422 * [taylor]: Taking taylor expansion of (sqrt (fma 1.0 1.0 (- (/ 1 (pow x 4))))) in x
1.422 * [taylor]: Taking taylor expansion of (fma 1.0 1.0 (- (/ 1 (pow x 4)))) in x
1.422 * [taylor]: Rewrote expression to (+ (* 1.0 1.0) (- (/ 1 (pow x 4))))
1.422 * [taylor]: Taking taylor expansion of (* 1.0 1.0) in x
1.422 * [taylor]: Taking taylor expansion of 1.0 in x
1.422 * [taylor]: Taking taylor expansion of 1.0 in x
1.422 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4))) in x
1.422 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.422 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.422 * [taylor]: Taking taylor expansion of x in x
1.466 * * * [progress]: simplifying candidates
1.468 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (log1p (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (- (log (sqrt (fma 1.0 1.0 (- (pow x 4))))) (log (sqrt (fma x x 1.0))))
  (log (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (exp (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (/ (* (* (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma 1.0 1.0 (- (pow x 4))))) (* (* (sqrt (fma x x 1.0)) (sqrt (fma x x 1.0))) (sqrt (fma x x 1.0))))
  (* (cbrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))) (cbrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))))
  (cbrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (* (* (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0))
  (sqrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (sqrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (- (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (- (sqrt (fma x x 1.0)))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt 1))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) 1)
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4)))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt 1))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4)))))) 1)
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt 1))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) 1)
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt 1) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (sqrt (fma x x 1.0))))
  (/ (sqrt 1) (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (cbrt (fma x x 1.0))))
  (/ (sqrt 1) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt 1) (sqrt 1))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ (sqrt 1) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt 1) 1)
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt 1))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) 1)
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ 1 (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (sqrt (fma x x 1.0))))
  (/ 1 (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (cbrt (fma x x 1.0))))
  (/ 1 (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (/ 1 (sqrt 1))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ 1 (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (/ 1 1)
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ 1 (sqrt (fma x x 1.0)))
  (/ (sqrt (fma x x 1.0)) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt 1))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) 1)
  (/ (sqrt (fma x x 1.0)) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (fma x x 1.0)) (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (expm1 (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (log1p (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (log (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (exp (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (* (* (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (* (cbrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (fma 1.0 1.0 (- (pow x 4))))))
  (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt 1)
  (sqrt (fma 1.0 1.0 (- (pow x 4))))
  (/ 1 2)
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (- (sqrt 1.0) (+ (* 0.125 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 0.5 (/ (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))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 8) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 4) (sqrt 1.0)))))
  (- (+ (* (pow x 2) (sqrt -1)) (* 0.5 (/ 1 (* (pow x 2) (sqrt -1))))) (* 0.125 (/ 1 (* (pow x 6) (pow (sqrt -1) 3)))))
  (- (+ (* (pow x 2) (sqrt -1)) (* 0.5 (/ 1 (* (pow x 2) (sqrt -1))))) (* 0.125 (/ 1 (* (pow x 6) (pow (sqrt -1) 3)))))
1.473 * * [simplify]: iteration  0 :  144  enodes  (cost  1968 )
1.501 * * [simplify]: iteration  1 :  281  enodes  (cost  1785 )
1.572 * * [simplify]: iteration  2 :  731  enodes  (cost  1724 )
1.906 * * [simplify]: iteration  3 :  2695  enodes  (cost  1720 )
2.623 * * [simplify]: iteration  done :  5000  enodes  (cost  1720 )
2.624 * [simplify]: Simplified to:
   (expm1 (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (log1p (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (log (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (log (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (exp (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (pow (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))) 3)
  (* (cbrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))) (cbrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))))
  (cbrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (pow (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))) 3)
  (/ (fma 1.0 1.0 (- (pow x 4))) (fma x x 1.0))
  (sqrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (sqrt (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))
  (- (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (- (sqrt (fma x x 1.0)))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (fabs (cbrt (fma x x 1.0))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (fabs (cbrt (fma 1.0 1.0 (- (pow x 4))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (fabs (cbrt (fma 1.0 1.0 (- (pow x 4))))) (fabs (cbrt (fma x x 1.0))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (fabs (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (fabs (cbrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (fabs (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (fabs (cbrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (fabs (cbrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ 1 (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (sqrt (fma x x 1.0))))
  (/ 1 (fabs (cbrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (cbrt (fma x x 1.0))))
  (/ 1 (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  1
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ 1 (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  1
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (fabs (cbrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (cbrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (sqrt (fma x x 1.0))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (sqrt (fma x x 1.0)))
  (/ 1 (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (cbrt (sqrt (fma x x 1.0))))
  (/ 1 (fabs (cbrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (cbrt (fma x x 1.0))))
  (/ 1 (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  1
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ 1 (sqrt (sqrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  1
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0)))
  (/ 1 (sqrt (fma x x 1.0)))
  (/ (sqrt (fma x x 1.0)) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0)))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (fabs (cbrt (fma x x 1.0))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (sqrt (fma 1.0 1.0 (- (pow x 4))))
  (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (sqrt (fma x x 1.0))))
  (sqrt (fma 1.0 1.0 (- (pow x 4))))
  (/ (sqrt (fma x x 1.0)) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (/ (sqrt (fma x x 1.0)) (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (/ (sqrt (fma x x 1.0)) (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (expm1 (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (log1p (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (log (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (exp (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (* (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))) (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4))))))
  (cbrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (pow (sqrt (fma 1.0 1.0 (- (pow x 4)))) 3)
  (fabs (cbrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (cbrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  1
  (sqrt (fma 1.0 1.0 (- (pow x 4))))
  1/2
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (sqrt (sqrt (fma 1.0 1.0 (- (pow x 4)))))
  (- (sqrt 1.0) (fma 0.125 (/ (pow x 4) (pow (sqrt 1.0) 3)) (* 0.5 (/ (pow x 2) (sqrt 1.0)))))
  (fma (sqrt -1) x (- (/ 0.5 (* x (sqrt -1))) (/ (/ 0.125 (sqrt -1)) (- (pow x 3)))))
  (- (/ (/ 0.125 (sqrt -1)) (- (pow x 3))) (fma x (sqrt -1) (/ 0.5 (* x (sqrt -1)))))
  (- (sqrt 1.0) (fma 1/8 (/ (pow x 8) (pow (sqrt 1.0) 3)) (* 1/2 (/ (pow x 4) (sqrt 1.0)))))
  (- (fma (sqrt -1) (pow x 2) (/ 0.5 (* (pow x 2) (sqrt -1)))) (/ 0.125 (* (sqrt -1) (- (pow x 6)))))
  (- (fma (sqrt -1) (pow x 2) (/ 0.5 (* (pow x 2) (sqrt -1)))) (/ 0.125 (* (sqrt -1) (- (pow x 6)))))
2.625 * * * [progress]: adding candidates to table
2.837 * [progress]: [Phase 3 of 3] Extracting.
2.837 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))>)
2.837 * * * [regime-changes]: Trying 4 branch expressions: ((* x x) (- 1.0 (* x x)) (sqrt (- 1.0 (* x x))) x)
2.837 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))>)
2.847 * * * * [regimes]: Trying to branch on (- 1.0 (* x x)) from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))>)
2.856 * * * * [regimes]: Trying to branch on (sqrt (- 1.0 (* x x))) from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))>)
2.871 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (fma 1.0 1.0 (- (pow x 4)))) (sqrt (fma x x 1.0))))>)
2.882 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.883 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (- 1.0 (* x x)))
2.883 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
2.883 * * [simplify]: iteration  done :  5  enodes  (cost  6 )
2.883 * [simplify]: Simplified to:
   (sqrt (- 1.0 (* x x)))
3.416 * [regime-testing]: Baseline error score: 0.005500687585948244
3.416 * [regime-testing]: Oracle error score: 0.0030003750468808603
3.417 * [regime-testing]: End program error score: 0.005500687585948244