0.844 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.276 * * * [progress]: [2/2] Setting up program.
0.279 * [progress]: [Phase 2 of 3] Improving.
0.282 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt (- x 1.0)) (sqrt x))
0.287 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.288 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.289 * * [simplify]: iteration  2 :  10  enodes  (cost  4 )
0.290 * [simplify]: Simplified to:
   (* (sqrt (- x 1.0)) (sqrt x))
0.291 * * [progress]: iteration 1 / 4
0.291 * * * [progress]: picking best candidate
0.294 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>
0.294 * * * [progress]: localizing error
0.301 * * * [progress]: generating rewritten candidates
0.301 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.312 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.320 * * * [progress]: generating series expansions
0.320 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.324 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.325 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.325 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.325 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of 1.0 in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.331 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.331 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of 1.0 in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.360 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.360 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.360 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.360 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.360 * [taylor]: Taking taylor expansion of 1.0 in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.365 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.365 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.365 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.365 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.366 * [taylor]: Taking taylor expansion of x in x
0.366 * [taylor]: Taking taylor expansion of 1.0 in x
0.366 * [taylor]: Taking taylor expansion of x in x
0.374 * [approximate]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in (x) around 0
0.374 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.374 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.374 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.374 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.374 * [taylor]: Taking taylor expansion of 1.0 in x
0.374 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.374 * [taylor]: Taking taylor expansion of x in x
0.376 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.377 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.377 * [taylor]: Taking taylor expansion of -1 in x
0.377 * [taylor]: Taking taylor expansion of x in x
0.378 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.378 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.378 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.378 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.378 * [taylor]: Taking taylor expansion of 1.0 in x
0.378 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.378 * [taylor]: Taking taylor expansion of x in x
0.380 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.380 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.380 * [taylor]: Taking taylor expansion of -1 in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.412 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.412 * [approximate]: Taking taylor expansion of (sqrt (- x 1.0)) in (x) around 0
0.412 * [taylor]: Taking taylor expansion of (sqrt (- x 1.0)) in x
0.412 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.412 * [taylor]: Taking taylor expansion of x in x
0.412 * [taylor]: Taking taylor expansion of 1.0 in x
0.415 * [taylor]: Taking taylor expansion of (sqrt (- x 1.0)) in x
0.415 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.415 * [taylor]: Taking taylor expansion of x in x
0.415 * [taylor]: Taking taylor expansion of 1.0 in x
0.429 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 x) 1.0)) in (x) around 0
0.429 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) 1.0)) in x
0.429 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.429 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.429 * [taylor]: Taking taylor expansion of x in x
0.430 * [taylor]: Taking taylor expansion of 1.0 in x
0.431 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) 1.0)) in x
0.431 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.431 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.431 * [taylor]: Taking taylor expansion of x in x
0.431 * [taylor]: Taking taylor expansion of 1.0 in x
0.440 * [approximate]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in (x) around 0
0.440 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.440 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.440 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.440 * [taylor]: Taking taylor expansion of 1.0 in x
0.440 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.440 * [taylor]: Taking taylor expansion of x in x
0.443 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.443 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.443 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.443 * [taylor]: Taking taylor expansion of 1.0 in x
0.443 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.443 * [taylor]: Taking taylor expansion of x in x
0.455 * * * [progress]: simplifying candidates
0.456 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* (sqrt (- x 1.0)) (sqrt x)))
  (log1p (* (sqrt (- x 1.0)) (sqrt x)))
  (* (- x 1.0) x)
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (- x 1.0) x)
  (+ (log (sqrt (- x 1.0))) (log (sqrt x)))
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (exp (* (sqrt (- x 1.0)) (sqrt x)))
  (* (* (* (sqrt (- x 1.0)) (sqrt (- x 1.0))) (sqrt (- x 1.0))) (* (* (sqrt x) (sqrt x)) (sqrt x)))
  (* (cbrt (* (sqrt (- x 1.0)) (sqrt x))) (cbrt (* (sqrt (- x 1.0)) (sqrt x))))
  (cbrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (* (* (sqrt (- x 1.0)) (sqrt x)) (* (sqrt (- x 1.0)) (sqrt x))) (* (sqrt (- x 1.0)) (sqrt x)))
  (* (- x 1.0) x)
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))
  (* (sqrt (- x 1.0)) (sqrt (* (cbrt x) (cbrt x))))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) (sqrt 1))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) 1)
  (* (cbrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (cbrt (- x 1.0))) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (sqrt x) (sqrt 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (pow x 3) (pow 1.0 3))) (sqrt x))
  (* (sqrt (- (* x x) (* 1.0 1.0))) (sqrt x))
  (expm1 (sqrt (- x 1.0)))
  (log1p (sqrt (- x 1.0)))
  (log (sqrt (- x 1.0)))
  (exp (sqrt (- x 1.0)))
  (* (cbrt (sqrt (- x 1.0))) (cbrt (sqrt (- x 1.0))))
  (cbrt (sqrt (- x 1.0)))
  (* (* (sqrt (- x 1.0)) (sqrt (- x 1.0))) (sqrt (- x 1.0)))
  (sqrt (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (sqrt (cbrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (sqrt 1)
  (sqrt (- x 1.0))
  (sqrt (+ (sqrt x) (sqrt 1.0)))
  (sqrt (- (sqrt x) (sqrt 1.0)))
  (sqrt 1)
  (sqrt (- x 1.0))
  (sqrt (- (pow x 3) (pow 1.0 3)))
  (sqrt (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))
  (sqrt (- (* x x) (* 1.0 1.0)))
  (sqrt (+ x 1.0))
  (/ 1 2)
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 x))))))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* 1/2 (/ x (sqrt (- 1.0)))) (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)))))
0.460 * * [simplify]: iteration  0 :  236  enodes  (cost  334 )
0.464 * * [simplify]: iteration  1 :  779  enodes  (cost  315 )
0.479 * * [simplify]: iteration  2 :  3154  enodes  (cost  304 )
0.540 * * [simplify]: iteration  3 :  5001  enodes  (cost  304 )
0.543 * [simplify]: Simplified to:
   (expm1 (* (sqrt (- x 1.0)) (sqrt x)))
  (log1p (* (sqrt (- x 1.0)) (sqrt x)))
  (* (- x 1.0) x)
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (- x 1.0) x)
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (exp (* (sqrt (- x 1.0)) (sqrt x)))
  (pow (* (sqrt (- x 1.0)) (sqrt x)) 3)
  (* (cbrt (* (sqrt (- x 1.0)) (sqrt x))) (cbrt (* (sqrt (- x 1.0)) (sqrt x))))
  (cbrt (* (sqrt (- x 1.0)) (sqrt x)))
  (pow (* (sqrt (- x 1.0)) (sqrt x)) 3)
  (* (- x 1.0) x)
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))
  (* (fabs (cbrt x)) (sqrt (- x 1.0)))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (sqrt (- x 1.0))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (sqrt (- x 1.0))
  (* (cbrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (cbrt (- x 1.0))) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (sqrt x) (sqrt 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (pow x 3) (pow 1.0 3))) (sqrt x))
  (* (sqrt (- (* x x) (* 1.0 1.0))) (sqrt x))
  (expm1 (sqrt (- x 1.0)))
  (log1p (sqrt (- x 1.0)))
  (log (sqrt (- x 1.0)))
  (exp (sqrt (- x 1.0)))
  (* (cbrt (sqrt (- x 1.0))) (cbrt (sqrt (- x 1.0))))
  (cbrt (sqrt (- x 1.0)))
  (pow (sqrt (- x 1.0)) 3)
  (fabs (cbrt (- x 1.0)))
  (sqrt (cbrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  1
  (sqrt (- x 1.0))
  (sqrt (+ (sqrt x) (sqrt 1.0)))
  (sqrt (- (sqrt x) (sqrt 1.0)))
  1
  (sqrt (- x 1.0))
  (sqrt (- (pow x 3) (pow 1.0 3)))
  (sqrt (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))
  (sqrt (- (* x x) (* 1.0 1.0)))
  (sqrt (+ x 1.0))
  1/2
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (fma (- (pow x 2)) +nan.0 (* +nan.0 (- (pow x 3) x)))
  (- x (fma 0.125 (/ 1 x) 0.5))
  (- (- (/ +nan.0 x) +nan.0) (/ +nan.0 (pow x 2)))
  (fma 1/2 (/ x (sqrt (- 1.0))) (- (sqrt (- 1.0)) (* 1/8 (/ (pow x 2) (pow (sqrt (- 1.0)) 3)))))
  (- (- (/ +nan.0 x) +nan.0) (/ +nan.0 (pow x 2)))
  (- (- (/ +nan.0 x) +nan.0) (/ +nan.0 (pow x 2)))
0.543 * * * [progress]: adding candidates to table
0.633 * * [progress]: iteration 2 / 4
0.633 * * * [progress]: picking best candidate
0.638 * * * * [pick]: Picked  #<alt (λ (x) (- x (fma 0.125 (/ 1 x) 0.5)))>
0.638 * * * [progress]: localizing error
0.644 * * * [progress]: generating rewritten candidates
0.644 * * * [progress]: generating series expansions
0.644 * * * [progress]: simplifying candidates
0.644 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.646 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.647 * [simplify]: Simplified to:
   
0.647 * * * [progress]: adding candidates to table
0.647 * * [progress]: iteration 3 / 4
0.647 * * * [progress]: picking best candidate
0.648 * * * * [pick]: Picked  #<alt (λ (x) (pow (* (- x 1.0) x) (/ 1 2)))>
0.648 * * * [progress]: localizing error
0.658 * * * [progress]: generating rewritten candidates
0.658 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.668 * * * [progress]: generating series expansions
0.668 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.669 * [approximate]: Taking taylor expansion of (pow (* (- x 1.0) x) 1/2) in (x) around 0
0.669 * [taylor]: Taking taylor expansion of (pow (* (- x 1.0) x) 1/2) in x
0.669 * [taylor]: Taking taylor expansion of (exp (* 1/2 (log (* (- x 1.0) x)))) in x
0.669 * [taylor]: Taking taylor expansion of (* 1/2 (log (* (- x 1.0) x))) in x
0.669 * [taylor]: Taking taylor expansion of 1/2 in x
0.669 * [taylor]: Taking taylor expansion of (log (* (- x 1.0) x)) in x
0.669 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.669 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.669 * [taylor]: Taking taylor expansion of x in x
0.669 * [taylor]: Taking taylor expansion of 1.0 in x
0.669 * [taylor]: Taking taylor expansion of x in x
0.675 * [taylor]: Taking taylor expansion of (pow (* (- x 1.0) x) 1/2) in x
0.675 * [taylor]: Taking taylor expansion of (exp (* 1/2 (log (* (- x 1.0) x)))) in x
0.675 * [taylor]: Taking taylor expansion of (* 1/2 (log (* (- x 1.0) x))) in x
0.675 * [taylor]: Taking taylor expansion of 1/2 in x
0.675 * [taylor]: Taking taylor expansion of (log (* (- x 1.0) x)) in x
0.675 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.675 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.675 * [taylor]: Taking taylor expansion of x in x
0.675 * [taylor]: Taking taylor expansion of 1.0 in x
0.675 * [taylor]: Taking taylor expansion of x in x
0.716 * [approximate]: Taking taylor expansion of (pow (/ (- (/ 1 x) 1.0) x) 1/2) in (x) around 0
0.716 * [taylor]: Taking taylor expansion of (pow (/ (- (/ 1 x) 1.0) x) 1/2) in x
0.716 * [taylor]: Taking taylor expansion of (exp (* 1/2 (log (/ (- (/ 1 x) 1.0) x)))) in x
0.716 * [taylor]: Taking taylor expansion of (* 1/2 (log (/ (- (/ 1 x) 1.0) x))) in x
0.716 * [taylor]: Taking taylor expansion of 1/2 in x
0.716 * [taylor]: Taking taylor expansion of (log (/ (- (/ 1 x) 1.0) x)) in x
0.716 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.716 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.716 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.716 * [taylor]: Taking taylor expansion of x in x
0.716 * [taylor]: Taking taylor expansion of 1.0 in x
0.716 * [taylor]: Taking taylor expansion of x in x
0.718 * [taylor]: Taking taylor expansion of (pow (/ (- (/ 1 x) 1.0) x) 1/2) in x
0.718 * [taylor]: Taking taylor expansion of (exp (* 1/2 (log (/ (- (/ 1 x) 1.0) x)))) in x
0.718 * [taylor]: Taking taylor expansion of (* 1/2 (log (/ (- (/ 1 x) 1.0) x))) in x
0.718 * [taylor]: Taking taylor expansion of 1/2 in x
0.718 * [taylor]: Taking taylor expansion of (log (/ (- (/ 1 x) 1.0) x)) in x
0.718 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.718 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.718 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.718 * [taylor]: Taking taylor expansion of x in x
0.718 * [taylor]: Taking taylor expansion of 1.0 in x
0.718 * [taylor]: Taking taylor expansion of x in x
0.746 * [approximate]: Taking taylor expansion of (pow (/ (+ 1.0 (/ 1 x)) x) 1/2) in (x) around 0
0.746 * [taylor]: Taking taylor expansion of (pow (/ (+ 1.0 (/ 1 x)) x) 1/2) in x
0.746 * [taylor]: Taking taylor expansion of (exp (* 1/2 (log (/ (+ 1.0 (/ 1 x)) x)))) in x
0.746 * [taylor]: Taking taylor expansion of (* 1/2 (log (/ (+ 1.0 (/ 1 x)) x))) in x
0.746 * [taylor]: Taking taylor expansion of 1/2 in x
0.746 * [taylor]: Taking taylor expansion of (log (/ (+ 1.0 (/ 1 x)) x)) in x
0.746 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.746 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.746 * [taylor]: Taking taylor expansion of 1.0 in x
0.746 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.746 * [taylor]: Taking taylor expansion of x in x
0.747 * [taylor]: Taking taylor expansion of x in x
0.748 * [taylor]: Taking taylor expansion of (pow (/ (+ 1.0 (/ 1 x)) x) 1/2) in x
0.748 * [taylor]: Taking taylor expansion of (exp (* 1/2 (log (/ (+ 1.0 (/ 1 x)) x)))) in x
0.748 * [taylor]: Taking taylor expansion of (* 1/2 (log (/ (+ 1.0 (/ 1 x)) x))) in x
0.748 * [taylor]: Taking taylor expansion of 1/2 in x
0.748 * [taylor]: Taking taylor expansion of (log (/ (+ 1.0 (/ 1 x)) x)) in x
0.748 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.748 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.748 * [taylor]: Taking taylor expansion of 1.0 in x
0.748 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.769 * * * [progress]: simplifying candidates
0.770 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (pow (* (- x 1.0) x) (/ 1 2)))
  (log1p (pow (* (- x 1.0) x) (/ 1 2)))
  (* (+ (log (- x 1.0)) (log x)) (/ 1 2))
  (* (log (* (- x 1.0) x)) (/ 1 2))
  (* (log (* (- x 1.0) x)) (/ 1 2))
  (* 1 (/ 1 2))
  (* 1 (/ 1 2))
  (pow (* (- x 1.0) x) (* (cbrt (/ 1 2)) (cbrt (/ 1 2))))
  (pow (* (- x 1.0) x) (sqrt (/ 1 2)))
  (pow (* (- x 1.0) x) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt 2) (cbrt 2))))
  (pow (* (- x 1.0) x) (/ (* (cbrt 1) (cbrt 1)) (sqrt 2)))
  (pow (* (- x 1.0) x) (/ (* (cbrt 1) (cbrt 1)) 1))
  (pow (* (- x 1.0) x) (/ (sqrt 1) (* (cbrt 2) (cbrt 2))))
  (pow (* (- x 1.0) x) (/ (sqrt 1) (sqrt 2)))
  (pow (* (- x 1.0) x) (/ (sqrt 1) 1))
  (pow (* (- x 1.0) x) (/ 1 (* (cbrt 2) (cbrt 2))))
  (pow (* (- x 1.0) x) (/ 1 (sqrt 2)))
  (pow (* (- x 1.0) x) (/ 1 1))
  (pow (* (- x 1.0) x) 1)
  (pow (* (- x 1.0) x) 1)
  (pow (- x 1.0) (/ 1 2))
  (pow x (/ 1 2))
  (pow (* (cbrt (* (- x 1.0) x)) (cbrt (* (- x 1.0) x))) (/ 1 2))
  (pow (cbrt (* (- x 1.0) x)) (/ 1 2))
  (pow (sqrt (* (- x 1.0) x)) (/ 1 2))
  (pow (sqrt (* (- x 1.0) x)) (/ 1 2))
  (pow 1 (/ 1 2))
  (pow (* (- x 1.0) x) (/ 1 2))
  (pow (* (sqrt (- x 1.0)) (sqrt x)) (/ 1 2))
  (pow (* (sqrt (- x 1.0)) (sqrt x)) (/ 1 2))
  (pow (* (- x 1.0) (* (cbrt x) (cbrt x))) (/ 1 2))
  (pow (cbrt x) (/ 1 2))
  (pow (* (- x 1.0) (sqrt x)) (/ 1 2))
  (pow (sqrt x) (/ 1 2))
  (pow (* (- x 1.0) 1) (/ 1 2))
  (pow x (/ 1 2))
  (pow (* (cbrt (- x 1.0)) (cbrt (- x 1.0))) (/ 1 2))
  (pow (* (cbrt (- x 1.0)) x) (/ 1 2))
  (pow (sqrt (- x 1.0)) (/ 1 2))
  (pow (* (sqrt (- x 1.0)) x) (/ 1 2))
  (pow 1 (/ 1 2))
  (pow (* (- x 1.0) x) (/ 1 2))
  (pow (+ (sqrt x) (sqrt 1.0)) (/ 1 2))
  (pow (* (- (sqrt x) (sqrt 1.0)) x) (/ 1 2))
  (pow 1 (/ 1 2))
  (pow (* (- x 1.0) x) (/ 1 2))
  (pow x (/ 1 2))
  (pow (- x 1.0) (/ 1 2))
  (log (pow (* (- x 1.0) x) (/ 1 2)))
  (exp (pow (* (- x 1.0) x) (/ 1 2)))
  (* (cbrt (pow (* (- x 1.0) x) (/ 1 2))) (cbrt (pow (* (- x 1.0) x) (/ 1 2))))
  (cbrt (pow (* (- x 1.0) x) (/ 1 2)))
  (* (* (pow (* (- x 1.0) x) (/ 1 2)) (pow (* (- x 1.0) x) (/ 1 2))) (pow (* (- x 1.0) x) (/ 1 2)))
  (sqrt (pow (* (- x 1.0) x) (/ 1 2)))
  (sqrt (pow (* (- x 1.0) x) (/ 1 2)))
  (pow (* (- x 1.0) x) (/ (/ 1 2) 2))
  (pow (* (- x 1.0) x) (/ (/ 1 2) 2))
  (- (+ (* 0.125 (* (pow x 2) (exp (* 1/2 (+ (log (- 1.0)) (log x)))))) (exp (* 1/2 (+ (log (- 1.0)) (log x))))) (+ (* 1/4 (/ (* (pow x 2) (exp (* 1/2 (+ (log (- 1.0)) (log x))))) (pow -1.0 2))) (* 0.5 (* x (exp (* 1/2 (+ (log (- 1.0)) (log x))))))))
  (- (pow (/ 1 x) -1) (+ 0.5 (* 0.125 (/ 1 x))))
  (+ 0.5 (+ (pow (/ -1 x) -1) (* 0.125 (/ 1 x))))
0.775 * * [simplify]: iteration  0 :  318  enodes  (cost  265 )
0.780 * * [simplify]: iteration  1 :  1100  enodes  (cost  246 )
0.805 * * [simplify]: iteration  2 :  5002  enodes  (cost  231 )
0.807 * [simplify]: Simplified to:
   (expm1 (pow (* (- x 1.0) x) 1/2))
  (log1p (pow (* (- x 1.0) x) 1/2))
  (* (log (* (- x 1.0) x)) 1/2)
  (* (log (* (- x 1.0) x)) 1/2)
  (* (log (* (- x 1.0) x)) 1/2)
  1/2
  1/2
  (pow (* (- x 1.0) x) (* (cbrt 1/2) (cbrt 1/2)))
  (pow (* (- x 1.0) x) (sqrt 1/2))
  (pow (* (- x 1.0) x) (/ 1 (* (cbrt 2) (cbrt 2))))
  (pow (* (- x 1.0) x) (/ 1 (sqrt 2)))
  (* (- x 1.0) x)
  (pow (* (- x 1.0) x) (/ 1 (* (cbrt 2) (cbrt 2))))
  (pow (* (- x 1.0) x) (/ 1 (sqrt 2)))
  (* (- x 1.0) x)
  (pow (* (- x 1.0) x) (/ 1 (* (cbrt 2) (cbrt 2))))
  (pow (* (- x 1.0) x) (/ 1 (sqrt 2)))
  (* (- x 1.0) x)
  (* (- x 1.0) x)
  (* (- x 1.0) x)
  (pow (- x 1.0) 1/2)
  (pow x 1/2)
  (fabs (cbrt (* (- x 1.0) x)))
  (pow (cbrt (* (- x 1.0) x)) 1/2)
  (pow (sqrt (* (- x 1.0) x)) 1/2)
  (pow (sqrt (* (- x 1.0) x)) 1/2)
  1
  (pow (* (- x 1.0) x) 1/2)
  (pow (* (sqrt (- x 1.0)) (sqrt x)) 1/2)
  (pow (* (sqrt (- x 1.0)) (sqrt x)) 1/2)
  (pow (* (- x 1.0) (* (cbrt x) (cbrt x))) 1/2)
  (pow (cbrt x) 1/2)
  (pow (* (- x 1.0) (sqrt x)) 1/2)
  (pow (sqrt x) 1/2)
  (pow (- x 1.0) 1/2)
  (pow x 1/2)
  (fabs (cbrt (- x 1.0)))
  (pow (* (cbrt (- x 1.0)) x) 1/2)
  (pow (sqrt (- x 1.0)) 1/2)
  (pow (* (sqrt (- x 1.0)) x) 1/2)
  1
  (pow (* (- x 1.0) x) 1/2)
  (pow (+ (sqrt x) (sqrt 1.0)) 1/2)
  (pow (* (- (sqrt x) (sqrt 1.0)) x) 1/2)
  1
  (pow (* (- x 1.0) x) 1/2)
  (pow x 1/2)
  (pow (- x 1.0) 1/2)
  (* (log (* (- x 1.0) x)) 1/2)
  (exp (pow (* (- x 1.0) x) 1/2))
  (* (cbrt (pow (* (- x 1.0) x) 1/2)) (cbrt (pow (* (- x 1.0) x) 1/2)))
  (cbrt (pow (* (- x 1.0) x) 1/2))
  (pow (* (- x 1.0) x) 3/2)
  (pow (sqrt (* (- x 1.0) x)) 1/2)
  (pow (sqrt (* (- x 1.0) x)) 1/2)
  (pow (* (- x 1.0) x) 1/4)
  (pow (* (- x 1.0) x) 1/4)
  (+ (+ (* (+ (* 0.125 (pow x 2)) 1) (exp (* 1/2 (+ (log (- 1.0)) (log x))))) (* (- (* 0.5 x)) (* (pow x 1/2) (pow (- 1.0) 1/2)))) (/ (- (* 1/4 (pow x 2))) (* (/ -1.0 (pow (- 1.0) 1/2)) (/ -1.0 (pow x 1/2)))))
  (- (- x (* 0.125 (/ 1 x))) 0.5)
  (fma -1 x (fma 0.125 (/ 1 x) 0.5))
0.807 * * * [progress]: adding candidates to table
0.872 * [progress]: [Phase 3 of 3] Extracting.
0.872 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (pow (* (- x 1.0) x) (/ 1 2)))> #<alt (λ (x) (- x (fma 0.125 (/ 1 x) 0.5)))>)
0.873 * * * [regime-changes]: Trying 1 branch expressions: (x)
0.873 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (pow (* (- x 1.0) x) (/ 1 2)))> #<alt (λ (x) (- x (fma 0.125 (/ 1 x) 0.5)))>)
0.887 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.888 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (fma 0.125 (/ 1 x) 0.5))
0.888 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.888 * * [simplify]: iteration  1 :  9  enodes  (cost  3 )
0.888 * [simplify]: Simplified to:
   (- x (fma 0.125 (/ 1 x) 0.5))
1.801 * [regime-testing]: Baseline error score: 0.34588352571113556
1.801 * [regime-testing]: Oracle error score: 0.0023752969121140144
1.803 * [regime-testing]: End program error score: 0.34588352571113556