0.455 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.061 * * * [progress]: [2/2] Setting up program.
0.063 * [progress]: [Phase 2 of 3] Improving.
0.063 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (log (+ x (sqrt (+ (* x x) 1.0))))
0.064 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.065 * * [simplify]: iteration  1 :  10  enodes  (cost  8 )
0.066 * * [simplify]: iteration  done :  10  enodes  (cost  8 )
0.066 * [simplify]: Simplified to:
   (log (+ (sqrt (fma x x 1.0)) x))
0.069 * * [progress]: iteration 1 / 4
0.069 * * * [progress]: picking best candidate
0.071 * * * * [pick]: Picked  #<alt (λ (x) (log (+ (sqrt (fma x x 1.0)) x)))>
0.071 * * * [progress]: localizing error
0.078 * * * [progress]: generating rewritten candidates
0.078 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 1)
0.079 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
0.082 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
0.092 * * * [progress]: generating series expansions
0.092 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 1)
0.092 * [approximate]: Taking taylor expansion of (sqrt (fma x x 1.0)) in (x) around 0
0.093 * [taylor]: Taking taylor expansion of (sqrt (fma x x 1.0)) in x
0.093 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
0.093 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
0.093 * [taylor]: Taking taylor expansion of (* x x) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of 1.0 in x
0.095 * [taylor]: Taking taylor expansion of (sqrt (fma x x 1.0)) in x
0.095 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
0.095 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
0.095 * [taylor]: Taking taylor expansion of (* x x) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of 1.0 in x
0.109 * [approximate]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in (x) around 0
0.109 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in x
0.109 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
0.109 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
0.109 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of 1.0 in x
0.112 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in x
0.112 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
0.112 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
0.113 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
0.113 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.126 * [approximate]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in (x) around 0
0.126 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in x
0.126 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
0.126 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
0.126 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
0.126 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.126 * [taylor]: Taking taylor expansion of -1 in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.126 * [taylor]: Taking taylor expansion of -1 in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of 1.0 in x
0.129 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in x
0.129 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
0.129 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
0.129 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
0.129 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.129 * [taylor]: Taking taylor expansion of -1 in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.130 * [taylor]: Taking taylor expansion of -1 in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of 1.0 in x
0.143 * * * * [progress]: [ 2 / 3 ] generating series at (2)
0.143 * [approximate]: Taking taylor expansion of (log (+ x (sqrt (fma x x 1.0)))) in (x) around 0
0.143 * [taylor]: Taking taylor expansion of (log (+ x (sqrt (fma x x 1.0)))) in x
0.143 * [taylor]: Taking taylor expansion of (+ x (sqrt (fma x x 1.0))) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (sqrt (fma x x 1.0)) in x
0.143 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
0.143 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
0.143 * [taylor]: Taking taylor expansion of (* x x) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of 1.0 in x
0.146 * [taylor]: Taking taylor expansion of (log (+ x (sqrt (fma x x 1.0)))) in x
0.146 * [taylor]: Taking taylor expansion of (+ x (sqrt (fma x x 1.0))) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (sqrt (fma x x 1.0)) in x
0.146 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
0.146 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
0.146 * [taylor]: Taking taylor expansion of (* x x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of 1.0 in x
0.196 * [approximate]: Taking taylor expansion of (log (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x))) in (x) around 0
0.196 * [taylor]: Taking taylor expansion of (log (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x))) in x
0.196 * [taylor]: Taking taylor expansion of (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x)) in x
0.196 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in x
0.196 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
0.196 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
0.196 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.197 * [taylor]: Taking taylor expansion of 1.0 in x
0.199 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.199 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of (log (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x))) in x
0.200 * [taylor]: Taking taylor expansion of (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x)) in x
0.200 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in x
0.200 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
0.200 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
0.200 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
0.200 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.201 * [taylor]: Taking taylor expansion of 1.0 in x
0.203 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.203 * [taylor]: Taking taylor expansion of x in x
0.253 * [approximate]: Taking taylor expansion of (log (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x))) in (x) around 0
0.253 * [taylor]: Taking taylor expansion of (log (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x))) in x
0.253 * [taylor]: Taking taylor expansion of (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x)) in x
0.253 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in x
0.253 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
0.253 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
0.253 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
0.253 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.253 * [taylor]: Taking taylor expansion of -1 in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.254 * [taylor]: Taking taylor expansion of -1 in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of 1.0 in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (log (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x))) in x
0.263 * [taylor]: Taking taylor expansion of (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x)) in x
0.263 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in x
0.263 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
0.263 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
0.263 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
0.263 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.263 * [taylor]: Taking taylor expansion of -1 in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.263 * [taylor]: Taking taylor expansion of -1 in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of 1.0 in x
0.266 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.334 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
0.334 * [approximate]: Taking taylor expansion of (+ x (sqrt (fma x x 1.0))) in (x) around 0
0.334 * [taylor]: Taking taylor expansion of (+ x (sqrt (fma x x 1.0))) in x
0.334 * [taylor]: Taking taylor expansion of x in x
0.334 * [taylor]: Taking taylor expansion of (sqrt (fma x x 1.0)) in x
0.334 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
0.335 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
0.335 * [taylor]: Taking taylor expansion of (* x x) in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of 1.0 in x
0.336 * [taylor]: Taking taylor expansion of (+ x (sqrt (fma x x 1.0))) in x
0.336 * [taylor]: Taking taylor expansion of x in x
0.336 * [taylor]: Taking taylor expansion of (sqrt (fma x x 1.0)) in x
0.337 * [taylor]: Taking taylor expansion of (fma x x 1.0) in x
0.337 * [taylor]: Rewrote expression to (+ (* x x) 1.0)
0.337 * [taylor]: Taking taylor expansion of (* x x) in x
0.337 * [taylor]: Taking taylor expansion of x in x
0.337 * [taylor]: Taking taylor expansion of x in x
0.337 * [taylor]: Taking taylor expansion of 1.0 in x
0.345 * [approximate]: Taking taylor expansion of (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x)) in (x) around 0
0.345 * [taylor]: Taking taylor expansion of (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x)) in x
0.345 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in x
0.345 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
0.345 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
0.345 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of 1.0 in x
0.348 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.348 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of (+ (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) (/ 1 x)) in x
0.348 * [taylor]: Taking taylor expansion of (sqrt (fma (/ 1 x) (/ 1 x) 1.0)) in x
0.348 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) 1.0) in x
0.349 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) 1.0)
0.349 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of 1.0 in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.352 * [taylor]: Taking taylor expansion of x in x
0.365 * [approximate]: Taking taylor expansion of (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x)) in (x) around 0
0.365 * [taylor]: Taking taylor expansion of (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x)) in x
0.365 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in x
0.366 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
0.366 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
0.366 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
0.366 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.366 * [taylor]: Taking taylor expansion of -1 in x
0.366 * [taylor]: Taking taylor expansion of x in x
0.366 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.366 * [taylor]: Taking taylor expansion of -1 in x
0.366 * [taylor]: Taking taylor expansion of x in x
0.366 * [taylor]: Taking taylor expansion of 1.0 in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.369 * [taylor]: Taking taylor expansion of x in x
0.369 * [taylor]: Taking taylor expansion of (- (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) (/ 1 x)) in x
0.369 * [taylor]: Taking taylor expansion of (sqrt (fma (/ -1 x) (/ -1 x) 1.0)) in x
0.369 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) 1.0) in x
0.369 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) 1.0)
0.369 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
0.369 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.369 * [taylor]: Taking taylor expansion of -1 in x
0.369 * [taylor]: Taking taylor expansion of x in x
0.370 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.370 * [taylor]: Taking taylor expansion of -1 in x
0.370 * [taylor]: Taking taylor expansion of x in x
0.370 * [taylor]: Taking taylor expansion of 1.0 in x
0.373 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.373 * [taylor]: Taking taylor expansion of x in x
0.398 * * * [progress]: simplifying candidates
0.399 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (sqrt (fma x x 1.0)))
  (log1p (sqrt (fma x x 1.0)))
  (log (sqrt (fma x x 1.0)))
  (exp (sqrt (fma x x 1.0)))
  (* (cbrt (sqrt (fma x x 1.0))) (cbrt (sqrt (fma x x 1.0))))
  (cbrt (sqrt (fma x x 1.0)))
  (* (* (sqrt (fma x x 1.0)) (sqrt (fma x x 1.0))) (sqrt (fma x x 1.0)))
  (sqrt (* (cbrt (fma x x 1.0)) (cbrt (fma x x 1.0))))
  (sqrt (cbrt (fma x x 1.0)))
  (sqrt (sqrt (fma x x 1.0)))
  (sqrt (sqrt (fma x x 1.0)))
  (sqrt 1)
  (sqrt (fma x x 1.0))
  (/ 1 2)
  (sqrt (sqrt (fma x x 1.0)))
  (sqrt (sqrt (fma x x 1.0)))
  (expm1 (log (+ (sqrt (fma x x 1.0)) x)))
  (log1p (log (+ (sqrt (fma x x 1.0)) x)))
  (log (* (cbrt (+ (sqrt (fma x x 1.0)) x)) (cbrt (+ (sqrt (fma x x 1.0)) x))))
  (log (cbrt (+ (sqrt (fma x x 1.0)) x)))
  (log (sqrt (+ (sqrt (fma x x 1.0)) x)))
  (log (sqrt (+ (sqrt (fma x x 1.0)) x)))
  (log 1)
  (log (+ (sqrt (fma x x 1.0)) x))
  (log 1)
  (log (+ (sqrt (fma x x 1.0)) x))
  (log (+ (pow (sqrt (fma x x 1.0)) 3) (pow x 3)))
  (log (+ (* (sqrt (fma x x 1.0)) (sqrt (fma x x 1.0))) (- (* x x) (* (sqrt (fma x x 1.0)) x))))
  (log (- (* (sqrt (fma x x 1.0)) (sqrt (fma x x 1.0))) (* x x)))
  (log (- (sqrt (fma x x 1.0)) x))
  (log (+ (sqrt (fma x x 1.0)) x))
  (log (log (+ (sqrt (fma x x 1.0)) x)))
  (exp (log (+ (sqrt (fma x x 1.0)) x)))
  (* (cbrt (log (+ (sqrt (fma x x 1.0)) x))) (cbrt (log (+ (sqrt (fma x x 1.0)) x))))
  (cbrt (log (+ (sqrt (fma x x 1.0)) x)))
  (* (* (log (+ (sqrt (fma x x 1.0)) x)) (log (+ (sqrt (fma x x 1.0)) x))) (log (+ (sqrt (fma x x 1.0)) x)))
  (sqrt (log (+ (sqrt (fma x x 1.0)) x)))
  (sqrt (log (+ (sqrt (fma x x 1.0)) x)))
  (expm1 (+ (sqrt (fma x x 1.0)) x))
  (log1p (+ (sqrt (fma x x 1.0)) x))
  (* (exp (sqrt (fma x x 1.0))) (exp x))
  (log (+ (sqrt (fma x x 1.0)) x))
  (exp (+ (sqrt (fma x x 1.0)) x))
  (* (cbrt (+ (sqrt (fma x x 1.0)) x)) (cbrt (+ (sqrt (fma x x 1.0)) x)))
  (cbrt (+ (sqrt (fma x x 1.0)) x))
  (* (* (+ (sqrt (fma x x 1.0)) x) (+ (sqrt (fma x x 1.0)) x)) (+ (sqrt (fma x x 1.0)) x))
  (sqrt (+ (sqrt (fma x x 1.0)) x))
  (sqrt (+ (sqrt (fma x x 1.0)) x))
  (+ (pow (sqrt (fma x x 1.0)) 3) (pow x 3))
  (+ (* (sqrt (fma x x 1.0)) (sqrt (fma x x 1.0))) (- (* x x) (* (sqrt (fma x x 1.0)) x)))
  (- (* (sqrt (fma x x 1.0)) (sqrt (fma x x 1.0))) (* x x))
  (- (sqrt (fma x x 1.0)) x)
  (+ (sqrt (fma x x 1.0)) x)
  (- (+ (sqrt 1.0) (* 1/2 (/ (pow x 2) (sqrt 1.0)))) (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))))
  (- (+ x (* 0.5 (/ 1 x))) (* 0.125 (/ 1 (pow x 3))))
  (- (* 0.125 (/ 1 (pow x 3))) (+ x (* 0.5 (/ 1 x))))
  (- (+ (log (sqrt 1.0)) (/ x (sqrt 1.0))) (* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3))))
  (- (+ (* 0.25 (/ 1 (pow x 2))) (log 2)) (+ (log (/ 1 x)) (* 0.09375 (/ 1 (pow x 4)))))
  (- (+ (log 0.5) (+ (* 0.125 (/ 1 (pow x 4))) (log (/ -1 x)))) (+ (* 0.25 (/ 1 (pow x 2))) (* 0.0078125 (/ 1 (* (pow x 4) (pow 0.5 2))))))
  (+ x (+ (sqrt 1.0) (* 1/2 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (* 2 x) (* 0.5 (/ 1 x))) (* 0.125 (/ 1 (pow x 3))))
  (- (* 0.125 (/ 1 (pow x 3))) (+ (* 0.5 (/ 1 x)) (* 0.0625 (/ 1 (pow x 5)))))
0.402 * * [simplify]: iteration  0 :  125  enodes  (cost  701 )
0.428 * * [simplify]: iteration  1 :  284  enodes  (cost  639 )
0.479 * * [simplify]: iteration  2 :  794  enodes  (cost  573 )