0.914 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.282 * * * [progress]: [2/2] Setting up program.
0.286 * [progress]: [Phase 2 of 3] Improving.
0.288 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
0.292 * * [simplify]: iteration  0 :  16  enodes  (cost  6 )
0.293 * * [simplify]: iteration  1 :  19  enodes  (cost  6 )
0.295 * * [simplify]: iteration  2 :  21  enodes  (cost  6 )
0.296 * * [simplify]: iteration  3 :  21  enodes  (cost  6 )
0.296 * [simplify]: Simplified to:
   (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
0.298 * * [progress]: iteration 1 / 4
0.298 * * * [progress]: picking best candidate
0.300 * * * * [pick]: Picked  #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>
0.300 * * * [progress]: localizing error
0.310 * * * [progress]: generating rewritten candidates
0.310 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 1 1)
0.320 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
0.321 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
0.333 * * * [progress]: generating series expansions
0.333 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 1 1)
0.337 * [approximate]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in (x) around 0
0.338 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.338 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.338 * [taylor]: Taking taylor expansion of 1.0 in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of 1.0 in x
0.340 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.340 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.340 * [taylor]: Taking taylor expansion of 1.0 in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of 1.0 in x
0.349 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.350 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.350 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.350 * [taylor]: Taking taylor expansion of 1.0 in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of 1.0 in x
0.352 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.352 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.352 * [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
0.352 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 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
0.352 * [taylor]: Taking taylor expansion of 1.0 in x
0.362 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in (x) around 0
0.362 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.362 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of 1.0 in x
0.362 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.362 * [taylor]: Taking taylor expansion of 1.0 in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.364 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.364 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.385 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
0.385 * [approximate]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) in (x) around 0
0.385 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) in x
0.386 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) in x
0.387 * [approximate]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)))) in (x) around 0
0.387 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)))) in x
0.387 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)))) in x
0.388 * [approximate]: Taking taylor expansion of (atan (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))))) in (x) around 0
0.388 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))))) in x
0.388 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))))) in x
0.388 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
0.388 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in (x) around 0
0.388 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
0.388 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.388 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.388 * [taylor]: Taking taylor expansion of 1.0 in x
0.388 * [taylor]: Taking taylor expansion of x in x
0.388 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.389 * [taylor]: Taking taylor expansion of x in x
0.389 * [taylor]: Taking taylor expansion of 1.0 in x
0.393 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
0.393 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.394 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.394 * [taylor]: Taking taylor expansion of 1.0 in x
0.394 * [taylor]: Taking taylor expansion of x in x
0.394 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.394 * [taylor]: Taking taylor expansion of x in x
0.394 * [taylor]: Taking taylor expansion of 1.0 in x
0.415 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in (x) around 0
0.415 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
0.415 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.415 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.415 * [taylor]: Taking taylor expansion of 1.0 in x
0.415 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.415 * [taylor]: Taking taylor expansion of x in x
0.415 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.415 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.415 * [taylor]: Taking taylor expansion of x in x
0.415 * [taylor]: Taking taylor expansion of 1.0 in x
0.421 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
0.421 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.421 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.421 * [taylor]: Taking taylor expansion of 1.0 in x
0.421 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.421 * [taylor]: Taking taylor expansion of x in x
0.421 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.421 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.421 * [taylor]: Taking taylor expansion of x in x
0.421 * [taylor]: Taking taylor expansion of 1.0 in x
0.445 * [approximate]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in (x) around 0
0.445 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
0.445 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.445 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.445 * [taylor]: Taking taylor expansion of 1.0 in x
0.445 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.445 * [taylor]: Taking taylor expansion of 1.0 in x
0.446 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.446 * [taylor]: Taking taylor expansion of x in x
0.451 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
0.451 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.451 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.451 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.451 * [taylor]: Taking taylor expansion of x in x
0.451 * [taylor]: Taking taylor expansion of 1.0 in x
0.452 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.452 * [taylor]: Taking taylor expansion of 1.0 in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.479 * * * [progress]: simplifying candidates
0.481 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- 1.0 x)) (log (+ 1.0 x)))
  (log (/ (- 1.0 x) (+ 1.0 x)))
  (exp (/ (- 1.0 x) (+ 1.0 x)))
  (/ (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)) (* (* (+ 1.0 x) (+ 1.0 x)) (+ 1.0 x)))
  (* (cbrt (/ (- 1.0 x) (+ 1.0 x))) (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (cbrt (/ (- 1.0 x) (+ 1.0 x)))
  (* (* (/ (- 1.0 x) (+ 1.0 x)) (/ (- 1.0 x) (+ 1.0 x))) (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (- (- 1.0 x))
  (- (+ 1.0 x))
  (/ 1.0 (+ 1.0 x))
  (/ x (+ 1.0 x))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1)
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1)
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x)))
  (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (/ (+ (sqrt 1.0) (sqrt x)) 1)
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (/ (+ (sqrt 1.0) (sqrt x)) 1)
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) 1)
  (/ (- 1.0 x) 1)
  (/ (+ 1.0 x) (cbrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (+ 1.0 x) (- (sqrt 1.0) (sqrt x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3)))
  (/ (- 1.0 x) (- (* 1.0 1.0) (* x x)))
  (* (+ 1.0 x) (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (* (+ 1.0 x) (+ 1.0 x))
  (log (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (exp (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (* (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))
  (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (* (* (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (log (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (exp (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (* (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (* (* (sqrt (/ (- 1.0 x) (+ 1.0 x))) (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (* (cbrt (/ (- 1.0 x) (+ 1.0 x))) (cbrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x))))
  (sqrt (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) 1))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) 1))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt 1)
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (- 1.0 x))
  (sqrt (/ 1 (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3))))
  (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (sqrt (/ (- 1.0 x) (- (* 1.0 1.0) (* x x))))
  (sqrt (- 1.0 x))
  (sqrt (- 1.0 x))
  (sqrt (+ 1.0 x))
  (/ 1 2)
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (- (+ (* 2.0 (pow x 2)) 1.0) (* 2.0 x))
  (- (* 2.0 (/ 1 x)) (+ 1 (* 2.0 (/ 1 (pow x 2)))))
  (- (* 2.0 (/ 1 x)) (+ 1 (* 2.0 (/ 1 (pow x 2)))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (- (+ (sqrt 1.0) (* 1.0 (/ (pow x 2) (sqrt 1.0)))) (+ (* 0.5 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1.0 (/ x (sqrt 1.0)))))
  (- (+ (* 1.0 (/ 1 (* x (sqrt -1)))) (sqrt -1)) (+ (* 1.0 (/ 1 (* (pow x 2) (sqrt -1)))) (* 0.5 (/ 1 (* (pow x 2) (pow (sqrt -1) 3))))))
  (- (+ (* 1.0 (/ 1 (* x (sqrt -1)))) (sqrt -1)) (+ (* 1.0 (/ 1 (* (pow x 2) (sqrt -1)))) (* 0.5 (/ 1 (* (pow x 2) (pow (sqrt -1) 3))))))
0.487 * * [simplify]: iteration  0 :  354  enodes  (cost  753 )
0.492 * * [simplify]: iteration  1 :  1071  enodes  (cost  709 )
0.514 * * [simplify]: iteration  2 :  5001  enodes  (cost  690 )
0.519 * [simplify]: Simplified to:
   (log (/ (- 1.0 x) (+ 1.0 x)))
  (log (/ (- 1.0 x) (+ 1.0 x)))
  (exp (/ (- 1.0 x) (+ 1.0 x)))
  (pow (/ (- 1.0 x) (+ 1.0 x)) 3)
  (* (cbrt (/ (- 1.0 x) (+ 1.0 x))) (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (cbrt (/ (- 1.0 x) (+ 1.0 x)))
  (pow (/ (- 1.0 x) (+ 1.0 x)) 3)
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (- x 1.0)
  (- (+ 1.0 x))
  (/ 1.0 (+ x 1.0))
  (/ x (+ x 1.0))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (sqrt (- 1.0 x))
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (sqrt (- 1.0 x))
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  1
  (/ (- 1.0 x) (+ 1.0 x))
  1
  (/ (- 1.0 x) (+ 1.0 x))
  (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x)))
  (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (+ (sqrt 1.0) (sqrt x))
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (+ (sqrt 1.0) (sqrt x))
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  1
  (/ (- 1.0 x) (+ 1.0 x))
  1
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (- 1.0 x)
  (- 1.0 x)
  (/ (+ 1.0 x) (cbrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (+ 1.0 x) (- (sqrt 1.0) (sqrt x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3)))
  (/ (- 1.0 x) (- (* 1.0 1.0) (* x x)))
  (* (+ (* x (+ x 1.0)) (* 1.0 1.0)) (+ 1.0 x))
  (* (+ 1.0 x) (+ 1.0 x))
  (log (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (exp (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (* (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))
  (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (pow (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) 3)
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (log (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (exp (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (* (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (pow (sqrt (/ (- 1.0 x) (+ x 1.0))) 3)
  (fabs (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (fabs (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x))))
  (sqrt (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (fabs (cbrt (- 1.0 x)))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (fabs (cbrt (- 1.0 x)))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) 1))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) 1))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (sqrt (- 1.0 x))
  (sqrt (/ 1 (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3))))
  (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (sqrt (/ (- 1.0 x) (- (* 1.0 1.0) (* x x))))
  (sqrt (- 1.0 x))
  (sqrt (- 1.0 x))
  (sqrt (+ 1.0 x))
  1/2
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (+ 1.0 (* 2.0 (- (pow x 2) x)))
  (- (/ 2.0 x) (- 1 (/ (- 2.0) (pow x 2))))
  (- (/ 2.0 x) (- 1 (/ (- 2.0) (pow x 2))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (- (* (/ (pow x 2) (sqrt 1.0)) (- 1.0 (/ 0.5 1.0))) (- (* 1.0 (/ x (sqrt 1.0))) (sqrt 1.0)))
  (- (sqrt -1) (- (* (/ 1 (pow x 2)) (+ (/ 0.5 (pow (sqrt -1) 3)) (/ 1.0 (sqrt -1)))) (/ 1.0 (* x (sqrt -1)))))
  (- (sqrt -1) (- (* (/ 1 (pow x 2)) (+ (/ 0.5 (pow (sqrt -1) 3)) (/ 1.0 (sqrt -1)))) (/ 1.0 (* x (sqrt -1)))))
0.519 * * * [progress]: adding candidates to table
0.733 * * [progress]: iteration 2 / 4
0.733 * * * [progress]: picking best candidate
0.739 * * * * [pick]: Picked  #<alt (λ (x) (* 2.0 (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))))>
0.739 * * * [progress]: localizing error
0.752 * * * [progress]: generating rewritten candidates
0.752 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 1 1)
0.762 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1 1 1)
0.765 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2)
0.766 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1 1 2)
0.774 * * * [progress]: generating series expansions
0.774 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 1 1)
0.774 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in (x) around 0
0.774 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
0.774 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.774 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.774 * [taylor]: Taking taylor expansion of 1.0 in x
0.774 * [taylor]: Taking taylor expansion of x in x
0.774 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.774 * [taylor]: Taking taylor expansion of x in x
0.774 * [taylor]: Taking taylor expansion of 1.0 in x
0.780 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
0.780 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.780 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.780 * [taylor]: Taking taylor expansion of 1.0 in x
0.780 * [taylor]: Taking taylor expansion of x in x
0.780 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.780 * [taylor]: Taking taylor expansion of x in x
0.780 * [taylor]: Taking taylor expansion of 1.0 in x
0.800 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in (x) around 0
0.800 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
0.800 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.800 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.800 * [taylor]: Taking taylor expansion of 1.0 in x
0.800 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.800 * [taylor]: Taking taylor expansion of x in x
0.801 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.801 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.801 * [taylor]: Taking taylor expansion of x in x
0.801 * [taylor]: Taking taylor expansion of 1.0 in x
0.806 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
0.806 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.806 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.806 * [taylor]: Taking taylor expansion of 1.0 in x
0.806 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.806 * [taylor]: Taking taylor expansion of x in x
0.807 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.807 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.807 * [taylor]: Taking taylor expansion of x in x
0.807 * [taylor]: Taking taylor expansion of 1.0 in x
0.834 * [approximate]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in (x) around 0
0.834 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
0.834 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.834 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.834 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.834 * [taylor]: Taking taylor expansion of x in x
0.834 * [taylor]: Taking taylor expansion of 1.0 in x
0.834 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.834 * [taylor]: Taking taylor expansion of 1.0 in x
0.834 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.834 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
0.840 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.840 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.840 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of 1.0 in x
0.841 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.841 * [taylor]: Taking taylor expansion of 1.0 in x
0.841 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.841 * [taylor]: Taking taylor expansion of x in x
0.864 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 1 1 1)
0.864 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 x)) in (x) around 0
0.864 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
0.864 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.864 * [taylor]: Taking taylor expansion of 1.0 in x
0.864 * [taylor]: Taking taylor expansion of x in x
0.867 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
0.867 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.867 * [taylor]: Taking taylor expansion of 1.0 in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.876 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in (x) around 0
0.876 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.876 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.876 * [taylor]: Taking taylor expansion of 1.0 in x
0.876 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.876 * [taylor]: Taking taylor expansion of x in x
0.878 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.878 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.878 * [taylor]: Taking taylor expansion of 1.0 in x
0.878 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.878 * [taylor]: Taking taylor expansion of x in x
0.886 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in (x) around 0
0.886 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.886 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.886 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.887 * [taylor]: Taking taylor expansion of x in x
0.887 * [taylor]: Taking taylor expansion of 1.0 in x
0.888 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.888 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.888 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.888 * [taylor]: Taking taylor expansion of x in x
0.888 * [taylor]: Taking taylor expansion of 1.0 in x
0.895 * * * * [progress]: [ 3 / 4 ] generating series at (2 2)
0.895 * [approximate]: Taking taylor expansion of (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0))))) in (x) around 0
0.896 * [taylor]: Taking taylor expansion of (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0))))) in x
0.896 * [taylor]: Taking taylor expansion of (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0))))) in x
0.896 * [approximate]: Taking taylor expansion of (atan (fabs (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))))) in (x) around 0
0.896 * [taylor]: Taking taylor expansion of (atan (fabs (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))))) in x
0.896 * [taylor]: Taking taylor expansion of (atan (fabs (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))))) in x
0.897 * [approximate]: Taking taylor expansion of (atan (fabs (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))))) in (x) around 0
0.897 * [taylor]: Taking taylor expansion of (atan (fabs (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))))) in x
0.897 * [taylor]: Taking taylor expansion of (atan (fabs (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))))) in x
0.897 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1 1 2)
0.898 * [approximate]: Taking taylor expansion of (sqrt (+ x 1.0)) in (x) around 0
0.898 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.898 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.898 * [taylor]: Taking taylor expansion of x in x
0.898 * [taylor]: Taking taylor expansion of 1.0 in x
0.899 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.899 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.900 * [taylor]: Taking taylor expansion of x in x
0.900 * [taylor]: Taking taylor expansion of 1.0 in x
0.908 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in (x) around 0
0.908 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.908 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.909 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.909 * [taylor]: Taking taylor expansion of x in x
0.909 * [taylor]: Taking taylor expansion of 1.0 in x
0.910 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.910 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.910 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.910 * [taylor]: Taking taylor expansion of x in x
0.910 * [taylor]: Taking taylor expansion of 1.0 in x
0.921 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in (x) around 0
0.921 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.921 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.921 * [taylor]: Taking taylor expansion of 1.0 in x
0.921 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.921 * [taylor]: Taking taylor expansion of x in x
0.923 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.923 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.923 * [taylor]: Taking taylor expansion of 1.0 in x
0.923 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.923 * [taylor]: Taking taylor expansion of x in x
0.931 * * * [progress]: simplifying candidates
0.933 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (sqrt (- 1.0 x))) (log (sqrt (+ 1.0 x))))
  (log (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (exp (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (/ (* (* (sqrt (- 1.0 x)) (sqrt (- 1.0 x))) (sqrt (- 1.0 x))) (* (* (sqrt (+ 1.0 x)) (sqrt (+ 1.0 x))) (sqrt (+ 1.0 x))))
  (* (cbrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))) (cbrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))
  (cbrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (* (* (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))) (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))) (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (/ (- 1.0 x) (+ 1.0 x))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (- (sqrt (- 1.0 x)))
  (- (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (sqrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt 1))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt 1))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (sqrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) 1)
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (cbrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (sqrt 1))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (sqrt 1))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) 1)
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt 1))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt 1))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) 1)
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt 1) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt 1) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt 1) (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt 1))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt 1))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) 1)
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt 1) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt 1) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt 1) (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt 1))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt 1))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) 1)
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ 1 (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (cbrt (sqrt (+ 1.0 x))))
  (/ 1 (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (sqrt (cbrt (+ 1.0 x))))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ 1 (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ 1 1)
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt 1))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) 1)
  (/ (sqrt (+ 1.0 x)) (cbrt (sqrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (cbrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (sqrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (- (sqrt 1.0) (sqrt x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (sqrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ (pow 1.0 3) (pow x 3))))
  (/ (sqrt (- 1.0 x)) (sqrt (- (* 1.0 1.0) (* x x))))
  (* (sqrt (+ 1.0 x)) (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x)))))
  (* (sqrt (+ 1.0 x)) (sqrt (+ 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (exp (sqrt (- 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (cbrt (sqrt (- 1.0 x)))
  (* (* (sqrt (- 1.0 x)) (sqrt (- 1.0 x))) (sqrt (- 1.0 x)))
  (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (sqrt (cbrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt 1)
  (sqrt (- 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (- (sqrt 1.0) (sqrt x)))
  (sqrt 1)
  (sqrt (- 1.0 x))
  (sqrt (- (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (+ 1.0 x))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (log (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (exp (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (* (cbrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))) (cbrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))))
  (cbrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (* (* (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))) (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))) (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (sqrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (sqrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (log (sqrt (+ 1.0 x)))
  (exp (sqrt (+ 1.0 x)))
  (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (cbrt (sqrt (+ 1.0 x)))
  (* (* (sqrt (+ 1.0 x)) (sqrt (+ 1.0 x))) (sqrt (+ 1.0 x)))
  (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (cbrt (+ 1.0 x)))
  (sqrt (sqrt (+ 1.0 x)))
  (sqrt (sqrt (+ 1.0 x)))
  (sqrt 1)
  (sqrt (+ 1.0 x))
  (sqrt 1)
  (sqrt (+ 1.0 x))
  (sqrt (+ (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (- 1.0 x))
  (/ 1 2)
  (sqrt (sqrt (+ 1.0 x)))
  (sqrt (sqrt (+ 1.0 x)))
  (- (+ (sqrt 1.0) (* 1.0 (/ (pow x 2) (sqrt 1.0)))) (+ (* 0.5 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1.0 (/ x (sqrt 1.0)))))
  (- (+ (* 1.0 (/ 1 (* x (sqrt -1)))) (sqrt -1)) (+ (* 1.0 (/ 1 (* (pow x 2) (sqrt -1)))) (* 0.5 (/ 1 (* (pow x 2) (pow (sqrt -1) 3))))))
  (- (+ (* 1.0 (/ 1 (* x (sqrt -1)))) (sqrt -1)) (+ (* 1.0 (/ 1 (* (pow x 2) (sqrt -1)))) (* 0.5 (/ 1 (* (pow x 2) (pow (sqrt -1) 3))))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1/2 (/ x (sqrt 1.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0)))))
  (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0)))))
  (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0)))))
  (- (+ (sqrt 1.0) (* 1/2 (/ x (sqrt 1.0)))) (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
0.940 * * [simplify]: iteration  0 :  355  enodes  (cost  1269 )
0.945 * * [simplify]: iteration  1 :  1086  enodes  (cost  1195 )
0.968 * * [simplify]: iteration  2 :  5001  enodes  (cost  1132 )
0.974 * [simplify]: Simplified to:
   (log (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (log (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (exp (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (pow (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))) 3)
  (* (cbrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))) (cbrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))
  (cbrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (pow (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))) 3)
  (/ (- 1.0 x) (+ x 1.0))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (- (sqrt (- 1.0 x)))
  (- (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (/ (fabs (cbrt (+ 1.0 x))) (cbrt (sqrt (- 1.0 x)))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (sqrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (sqrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (/ (fabs (cbrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x)))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (cbrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (fabs (cbrt (- 1.0 x))) (* (fabs (cbrt (+ 1.0 x))) 1))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (fabs (cbrt (- 1.0 x))) (* (sqrt (sqrt (+ 1.0 x))) 1))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (fabs (cbrt (- 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (fabs (cbrt (- 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (fabs (cbrt (- 1.0 x))) (* (sqrt (sqrt (+ 1.0 x))) 1))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (fabs (cbrt (- 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ 1 (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (cbrt (sqrt (+ 1.0 x))))
  (/ 1 (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (cbrt (+ 1.0 x))))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ 1 (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (cbrt (sqrt (+ 1.0 x))))
  (/ 1 (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (cbrt (+ 1.0 x))))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ 1 (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (cbrt (sqrt (+ 1.0 x))))
  (/ 1 (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (cbrt (+ 1.0 x))))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt (sqrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (/ (sqrt (- 1.0 x)) (fabs (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (- 1.0 x))
  (sqrt (- 1.0 x))
  (/ (sqrt (- 1.0 x)) (sqrt (sqrt (+ 1.0 x))))
  (sqrt (- 1.0 x))
  (/ (sqrt (+ 1.0 x)) (cbrt (sqrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (cbrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (sqrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (- (sqrt 1.0) (sqrt x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (sqrt (- 1.0 x))))
  (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ (pow 1.0 3) (pow x 3))))
  (/ (sqrt (- 1.0 x)) (sqrt (- (* 1.0 1.0) (* x x))))
  (* (sqrt (+ 1.0 x)) (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x)))))
  (+ 1.0 x)
  (log (sqrt (- 1.0 x)))
  (exp (sqrt (- 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (cbrt (sqrt (- 1.0 x)))
  (pow (sqrt (- 1.0 x)) 3)
  (fabs (cbrt (- 1.0 x)))
  (sqrt (cbrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  1
  (sqrt (- 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (- (sqrt 1.0) (sqrt x)))
  1
  (sqrt (- 1.0 x))
  (sqrt (- (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (+ 1.0 x))
  1/2
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (log (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (exp (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (* (cbrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))) (cbrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))))
  (cbrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (pow (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))) 3)
  (sqrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (sqrt (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))))
  (log (sqrt (+ 1.0 x)))
  (exp (sqrt (+ 1.0 x)))
  (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x))))
  (cbrt (sqrt (+ 1.0 x)))
  (pow (sqrt (+ 1.0 x)) 3)
  (fabs (cbrt (+ 1.0 x)))
  (sqrt (cbrt (+ 1.0 x)))
  (sqrt (sqrt (+ 1.0 x)))
  (sqrt (sqrt (+ 1.0 x)))
  1
  (sqrt (+ 1.0 x))
  1
  (sqrt (+ 1.0 x))
  (sqrt (+ (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (- 1.0 x))
  1/2
  (sqrt (sqrt (+ 1.0 x)))
  (sqrt (sqrt (+ 1.0 x)))
  (- (* (/ (pow x 2) (sqrt 1.0)) (- 1.0 (/ 0.5 1.0))) (- (* 1.0 (/ x (sqrt 1.0))) (sqrt 1.0)))
  (- (sqrt -1) (- (* (/ 1 (pow x 2)) (+ (/ 0.5 (pow (sqrt -1) 3)) (/ 1.0 (sqrt -1)))) (/ 1.0 (* x (sqrt -1)))))
  (- (sqrt -1) (- (* (/ 1 (pow x 2)) (+ (/ 0.5 (pow (sqrt -1) 3)) (/ 1.0 (sqrt -1)))) (/ 1.0 (* x (sqrt -1)))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1/2 (/ x (sqrt 1.0)))))
  (- (+ (/ (- +nan.0) (pow x 2)) (/ +nan.0 x)) +nan.0)
  (- (+ (/ (- +nan.0) (pow x 2)) (/ +nan.0 x)) +nan.0)
  (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0)))))
  (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0)))))
  (atan (fabs (sqrt (/ (- 1.0 x) (+ x 1.0)))))
  (- (+ (sqrt 1.0) (* 1/2 (/ x (sqrt 1.0)))) (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))))
  (- (+ (/ (- +nan.0) (pow x 2)) (/ +nan.0 x)) +nan.0)
  (- (+ (/ (- +nan.0) (pow x 2)) (/ +nan.0 x)) +nan.0)
0.975 * * * [progress]: adding candidates to table
1.267 * * [progress]: iteration 3 / 4
1.267 * * * [progress]: picking best candidate
1.270 * * * * [pick]: Picked  #<alt (λ (x) (* 2.0 (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))))>
1.270 * * * [progress]: localizing error
1.281 * * * [progress]: generating rewritten candidates
1.281 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2 1 1)
1.289 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.292 * * * [progress]: generating series expansions
1.292 * * * * [progress]: [ 1 / 2 ] generating series at (2 2 1 1)
1.293 * [approximate]: Taking taylor expansion of (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0))) in (x) around 0
1.293 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0))) in x
1.293 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
1.293 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
1.293 * [taylor]: Taking taylor expansion of 1.0 in x
1.293 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.293 * [taylor]: Taking taylor expansion of x in x
1.295 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
1.295 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.295 * [taylor]: Taking taylor expansion of x in x
1.295 * [taylor]: Taking taylor expansion of 1.0 in x
1.295 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0))) in x
1.295 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
1.295 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
1.295 * [taylor]: Taking taylor expansion of 1.0 in x
1.295 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.295 * [taylor]: Taking taylor expansion of x in x
1.296 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
1.296 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.296 * [taylor]: Taking taylor expansion of x in x
1.296 * [taylor]: Taking taylor expansion of 1.0 in x
1.316 * [approximate]: Taking taylor expansion of (* (/ 1 (+ (/ 1 x) 1.0)) (sqrt (- 1.0 (/ 1 (pow x 2))))) in (x) around 0
1.316 * [taylor]: Taking taylor expansion of (* (/ 1 (+ (/ 1 x) 1.0)) (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
1.316 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in x
1.316 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.316 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.316 * [taylor]: Taking taylor expansion of x in x
1.316 * [taylor]: Taking taylor expansion of 1.0 in x
1.317 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
1.317 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
1.317 * [taylor]: Taking taylor expansion of 1.0 in x
1.317 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.317 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.317 * [taylor]: Taking taylor expansion of x in x
1.320 * [taylor]: Taking taylor expansion of (* (/ 1 (+ (/ 1 x) 1.0)) (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
1.320 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in x
1.320 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.320 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.320 * [taylor]: Taking taylor expansion of x in x
1.320 * [taylor]: Taking taylor expansion of 1.0 in x
1.321 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
1.321 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
1.321 * [taylor]: Taking taylor expansion of 1.0 in x
1.321 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.321 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.321 * [taylor]: Taking taylor expansion of x in x
1.348 * [approximate]: Taking taylor expansion of (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (- 1.0 (/ 1 (pow x 2))))) in (x) around 0
1.348 * [taylor]: Taking taylor expansion of (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
1.348 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
1.348 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.348 * [taylor]: Taking taylor expansion of 1.0 in x
1.348 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.348 * [taylor]: Taking taylor expansion of x in x
1.349 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
1.349 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
1.349 * [taylor]: Taking taylor expansion of 1.0 in x
1.349 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.349 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.349 * [taylor]: Taking taylor expansion of x in x
1.351 * [taylor]: Taking taylor expansion of (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
1.351 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
1.352 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.352 * [taylor]: Taking taylor expansion of 1.0 in x
1.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.352 * [taylor]: Taking taylor expansion of x in x
1.352 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
1.353 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
1.353 * [taylor]: Taking taylor expansion of 1.0 in x
1.353 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.353 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.353 * [taylor]: Taking taylor expansion of x in x
1.378 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.378 * [approximate]: Taking taylor expansion of (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0))))) in (x) around 0
1.378 * [taylor]: Taking taylor expansion of (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0))))) in x
1.379 * [taylor]: Taking taylor expansion of (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0))))) in x
1.380 * [approximate]: Taking taylor expansion of (atan (fabs (* (/ 1 (+ (/ 1 x) 1.0)) (sqrt (- 1.0 (/ 1 (pow x 2))))))) in (x) around 0
1.380 * [taylor]: Taking taylor expansion of (atan (fabs (* (/ 1 (+ (/ 1 x) 1.0)) (sqrt (- 1.0 (/ 1 (pow x 2))))))) in x
1.380 * [taylor]: Taking taylor expansion of (atan (fabs (* (/ 1 (+ (/ 1 x) 1.0)) (sqrt (- 1.0 (/ 1 (pow x 2))))))) in x
1.381 * [approximate]: Taking taylor expansion of (atan (fabs (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (- 1.0 (/ 1 (pow x 2))))))) in (x) around 0
1.381 * [taylor]: Taking taylor expansion of (atan (fabs (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (- 1.0 (/ 1 (pow x 2))))))) in x
1.381 * [taylor]: Taking taylor expansion of (atan (fabs (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (- 1.0 (/ 1 (pow x 2))))))) in x
1.382 * * * [progress]: simplifying candidates
1.383 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (sqrt (- (* 1.0 1.0) (* x x)))) (log (+ 1.0 x)))
  (log (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (exp (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (/ (* (* (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (- (* 1.0 1.0) (* x x)))) (* (* (+ 1.0 x) (+ 1.0 x)) (+ 1.0 x)))
  (* (cbrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))) (cbrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))
  (cbrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (* (* (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)) (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))) (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (- (sqrt (- (* 1.0 1.0) (* x x))))
  (- (+ 1.0 x))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x))))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x))))) (sqrt (+ 1.0 x)))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x))))) 1)
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x))))) 1)
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (* x x))) (cbrt (- (* 1.0 1.0) (* x x))))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (* x x))) (cbrt (- (* 1.0 1.0) (* x x))))) (sqrt (+ 1.0 x)))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (* x x))) (cbrt (- (* 1.0 1.0) (* x x))))) 1)
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (* x x))) (cbrt (- (* 1.0 1.0) (* x x))))) 1)
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) 1)
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) 1)
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt 1) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (cbrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt (+ 1.0 x)))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) 1)
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  (/ (sqrt 1) 1)
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  (/ (sqrt (+ 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt (+ 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (+ 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) 1)
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) 1)
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (+ 1.0 x)))
  (/ 1 1)
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  (/ 1 1)
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) 1)
  (/ (sqrt (- (* 1.0 1.0) (* x x))) 1)
  (/ (+ 1.0 x) (cbrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (cbrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ (pow 1.0 3) (pow x 3)))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (- (* 1.0 1.0) (* x x)))
  (* (+ 1.0 x) (sqrt (+ (* (* 1.0 1.0) (* 1.0 1.0)) (+ (* (* x x) (* x x)) (* (* 1.0 1.0) (* x x))))))
  (* (+ 1.0 x) (sqrt (+ (* 1.0 1.0) (* x x))))
  (log (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (exp (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (* (cbrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))) (cbrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))))
  (cbrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (* (* (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))) (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))) (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (sqrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (sqrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (- (+ (* 1.0 (* (pow x 2) (sqrt 1.0))) (* 1.0 (sqrt 1.0))) (+ (* 1.0 (* x (sqrt 1.0))) (* 0.5 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (* 0.5 (/ 1 (* (pow x 2) (sqrt -1)))) (+ (sqrt -1) (* 1.0 (/ (sqrt -1) (pow x 2))))) (* 1.0 (/ (sqrt -1) x)))
  (- (* 1.0 (/ (sqrt -1) x)) (+ (* 0.5 (/ 1 (* (pow x 2) (sqrt -1)))) (+ (sqrt -1) (* 1.0 (/ (sqrt -1) (pow x 2))))))
  (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0)))))
  (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0)))))
  (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0)))))
1.388 * * [simplify]: iteration  0 :  280  enodes  (cost  741 )
1.393 * * [simplify]: iteration  1 :  901  enodes  (cost  697 )
1.410 * * [simplify]: iteration  2 :  3982  enodes  (cost  686 )
1.550 * * [simplify]: iteration  3 :  5001  enodes  (cost  686 )
1.553 * [simplify]: Simplified to:
   (log (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (log (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (exp (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (pow (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)) 3)
  (* (cbrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))) (cbrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))
  (cbrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (pow (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)) 3)
  (sqrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))
  (- (sqrt (- (* 1.0 1.0) (* x x))))
  (- (+ 1.0 x))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x))))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x))))) (sqrt (+ 1.0 x)))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (* (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (/ (fabs (cbrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (fabs (cbrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (fabs (cbrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (fabs (cbrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (sqrt (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (sqrt (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  1
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  (/ (sqrt (+ 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (sqrt (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (sqrt (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (sqrt (+ 1.0 x)))
  (sqrt (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (sqrt (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (* x x)))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  1
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))
  (/ 1 (+ x 1.0))
  (/ (+ 1.0 x) (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (+ 1.0 x)))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (/ (+ 1.0 x) (cbrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (cbrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (sqrt (- (* 1.0 1.0) (* x x)))))
  (/ (+ 1.0 x) (sqrt (- (* 1.0 1.0) (* x x))))
  (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ (pow 1.0 3) (pow x 3)))
  (/ 1 (sqrt (- (* 1.0 1.0) (* x x))))
  (* (+ 1.0 x) (sqrt (+ (* (* 1.0 1.0) (* 1.0 1.0)) (+ (* (* x x) (* x x)) (* (* 1.0 1.0) (* x x))))))
  (* (+ 1.0 x) (sqrt (+ (* 1.0 1.0) (* x x))))
  (log (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (exp (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (* (cbrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))) (cbrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))))
  (cbrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (pow (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))) 3)
  (sqrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (sqrt (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
  (+ (- (* (* 1.0 (sqrt 1.0)) (- (pow x 2) x)) (* 0.5 (/ (pow x 2) (sqrt 1.0)))) (* 1.0 (sqrt 1.0)))
  (+ (sqrt -1) (+ (/ (/ 0.5 (sqrt -1)) (pow x 2)) (* (/ (sqrt -1) x) (- (/ 1.0 x) 1.0))))
  (- (* 1.0 (/ (sqrt -1) x)) (+ (* 0.5 (/ 1 (* (pow x 2) (sqrt -1)))) (+ (sqrt -1) (* 1.0 (/ (sqrt -1) (pow x 2))))))
  (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0)))))
  (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0)))))
  (atan (fabs (* (sqrt (- 1.0 (pow x 2))) (/ 1 (+ x 1.0)))))
1.553 * * * [progress]: adding candidates to table
1.711 * [progress]: [Phase 3 of 3] Extracting.
1.711 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* 2.0 (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))))>)
1.712 * * * [regime-changes]: Trying 1 branch expressions: (x)
1.713 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* 2.0 (atan (fabs (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x))))))>)
1.729 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.729 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
1.730 * * [simplify]: iteration  0 :  14  enodes  (cost  9 )
1.730 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
1.730 * [simplify]: Simplified to:
   (* 2.0 (atan (fabs (/ (sqrt (- (* 1.0 1.0) (* x x))) (+ 1.0 x)))))
2.564 * [regime-testing]: Baseline error score: 0.012699707776062153
2.565 * [regime-testing]: Oracle error score: 0.006375796974621828
2.566 * [regime-testing]: End program error score: 0.012699707776062153