9.447 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.105 * * * [progress]: [2/2] Setting up program. 0.109 * [progress]: [Phase 2 of 3] Improving. 0.109 * [simplify]: Simplifying using # : (+ (- (exp x) 2.0) (exp (- x))) 0.112 * * [simplify]: iteration 0 : 14 enodes (cost 5 ) 0.114 * * [simplify]: iteration 1 : 26 enodes (cost 5 ) 0.115 * * [simplify]: iteration 2 : 41 enodes (cost 5 ) 0.117 * * [simplify]: iteration 3 : 55 enodes (cost 5 ) 0.119 * * [simplify]: iteration 4 : 67 enodes (cost 5 ) 0.120 * * [simplify]: iteration 5 : 104 enodes (cost 5 ) 0.122 * * [simplify]: iteration 6 : 161 enodes (cost 5 ) 0.126 * * [simplify]: iteration 7 : 344 enodes (cost 5 ) 0.135 * * [simplify]: iteration 8 : 1454 enodes (cost 5 ) 0.331 * * [simplify]: iteration 9 : 5001 enodes (cost 5 ) 0.332 * [simplify]: Simplified to: (+ (- (exp x) 2.0) (exp (- x))) 0.332 * * [progress]: iteration 1 / 4 0.332 * * * [progress]: picking best candidate 0.336 * * * * [pick]: Picked # 0.336 * * * [progress]: localizing error 0.345 * * * [progress]: generating rewritten candidates 0.345 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.369 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.376 * * * [progress]: generating series expansions 0.376 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.376 * [approximate]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in (x) around 0 0.376 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x 0.376 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.376 * [taylor]: Taking taylor expansion of (exp x) in x 0.376 * [taylor]: Taking taylor expansion of x in x 0.376 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.377 * [taylor]: Taking taylor expansion of (- x) in x 0.377 * [taylor]: Taking taylor expansion of x in x 0.377 * [taylor]: Taking taylor expansion of 2.0 in x 0.377 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x 0.377 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.377 * [taylor]: Taking taylor expansion of (exp x) in x 0.377 * [taylor]: Taking taylor expansion of x in x 0.377 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.377 * [taylor]: Taking taylor expansion of (- x) in x 0.377 * [taylor]: Taking taylor expansion of x in x 0.377 * [taylor]: Taking taylor expansion of 2.0 in x 0.378 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in (x) around 0 0.379 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x 0.379 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.379 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.379 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.379 * [taylor]: Taking taylor expansion of x in x 0.379 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.379 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.379 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.379 * [taylor]: Taking taylor expansion of x in x 0.379 * [taylor]: Taking taylor expansion of 2.0 in x 0.379 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x 0.379 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.379 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.379 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.379 * [taylor]: Taking taylor expansion of x in x 0.379 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.379 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.379 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.379 * [taylor]: Taking taylor expansion of x in x 0.379 * [taylor]: Taking taylor expansion of 2.0 in x 0.380 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in (x) around 0 0.380 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x 0.380 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 0.380 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.380 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.380 * [taylor]: Taking taylor expansion of x in x 0.380 * [taylor]: Taking taylor expansion of (exp (/ -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 0.380 * [taylor]: Taking taylor expansion of 2.0 in x 0.380 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x 0.380 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 0.380 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.380 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.380 * [taylor]: Taking taylor expansion of x in x 0.380 * [taylor]: Taking taylor expansion of (exp (/ -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 0.380 * [taylor]: Taking taylor expansion of 2.0 in x 0.381 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 0.381 * [approximate]: Taking taylor expansion of (- (exp x) 2.0) in (x) around 0 0.381 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x 0.381 * [taylor]: Taking taylor expansion of (exp x) in x 0.381 * [taylor]: Taking taylor expansion of x in x 0.381 * [taylor]: Taking taylor expansion of 2.0 in x 0.381 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x 0.381 * [taylor]: Taking taylor expansion of (exp x) in x 0.381 * [taylor]: Taking taylor expansion of x in x 0.381 * [taylor]: Taking taylor expansion of 2.0 in x 0.382 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in (x) around 0 0.382 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x 0.382 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.382 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.382 * [taylor]: Taking taylor expansion of x in x 0.382 * [taylor]: Taking taylor expansion of 2.0 in x 0.382 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x 0.382 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.382 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.382 * [taylor]: Taking taylor expansion of x in x 0.382 * [taylor]: Taking taylor expansion of 2.0 in x 0.382 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in (x) around 0 0.382 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x 0.382 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.382 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.382 * [taylor]: Taking taylor expansion of -1 in x 0.382 * [taylor]: Taking taylor expansion of x in x 0.382 * [taylor]: Taking taylor expansion of 2.0 in x 0.382 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x 0.382 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.382 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.382 * [taylor]: Taking taylor expansion of -1 in x 0.382 * [taylor]: Taking taylor expansion of x in x 0.382 * [taylor]: Taking taylor expansion of 2.0 in x 0.383 * * * [progress]: simplifying candidates 0.384 * [simplify]: Simplifying using # : (expm1 (+ (- (exp x) 2.0) (exp (- x)))) (log1p (+ (- (exp x) 2.0) (exp (- x)))) (* (/ (exp (exp x)) (exp 2.0)) (exp (exp (- x)))) (* (exp (- (exp x) 2.0)) (exp (exp (- x)))) (log (+ (- (exp x) 2.0) (exp (- x)))) (exp (+ (- (exp x) 2.0) (exp (- x)))) (* (cbrt (+ (- (exp x) 2.0) (exp (- x)))) (cbrt (+ (- (exp x) 2.0) (exp (- x))))) (cbrt (+ (- (exp x) 2.0) (exp (- x)))) (* (* (+ (- (exp x) 2.0) (exp (- x))) (+ (- (exp x) 2.0) (exp (- x)))) (+ (- (exp x) 2.0) (exp (- x)))) (sqrt (+ (- (exp x) 2.0) (exp (- x)))) (sqrt (+ (- (exp x) 2.0) (exp (- x)))) (+ (* (- (pow (exp x) 3) (pow 2.0 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) 1)) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (exp x)) (+ (* (- (pow (exp x) 3) (pow 2.0 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (exp 0))) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (exp x)) (+ (* (- (* (exp x) (exp x)) (* 2.0 2.0)) (exp x)) (* (+ (exp x) 2.0) 1)) (* (+ (exp x) 2.0) (exp x)) (+ (* (- (* (exp x) (exp x)) (* 2.0 2.0)) (exp x)) (* (+ (exp x) 2.0) (exp 0))) (* (+ (exp x) 2.0) (exp x)) (+ (pow (- (exp x) 2.0) 3) (pow (exp (- x)) 3)) (+ (* (- (exp x) 2.0) (- (exp x) 2.0)) (- (* (exp (- x)) (exp (- x))) (* (- (exp x) 2.0) (exp (- x))))) (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2.0) (exp (- x))) (+ (- (exp x) 2.0) (exp (- x))) (+ (- (exp x) 2.0) (exp (- x))) (+ (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (exp (- x))) (+ (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (exp (- x))) (+ (fma (- 2.0) 1 (* 2.0 1)) (exp (- x))) (+ (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (exp (- x))) (+ (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (exp (- x))) (+ (fma (- 2.0) 1 (* 2.0 1)) (exp (- x))) (+ (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (exp (- x))) (+ (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (exp (- x))) (+ (fma (- 2.0) 1 (* 2.0 1)) (exp (- x))) (+ (- 2.0) (exp (- x))) (+ (- 2.0) (exp (- x))) (- 2.0 (exp (- x))) (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))) (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt 2.0) (sqrt 2.0)))) (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* 2.0 1))) (fma (- 2.0) 1 (* 2.0 1)) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))) (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt 2.0) (sqrt 2.0)))) (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* 2.0 1))) (fma (- 2.0) 1 (* 2.0 1)) (fma 1 (exp x) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))) (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (fma 1 (exp x) (- (* (sqrt 2.0) (sqrt 2.0)))) (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (fma 1 (exp x) (- (* 2.0 1))) (fma (- 2.0) 1 (* 2.0 1)) (expm1 (- (exp x) 2.0)) (log1p (- (exp x) 2.0)) (- 2.0) (- 2.0) (- 2.0) (/ (exp (exp x)) (exp 2.0)) (log (- (exp x) 2.0)) (exp (- (exp x) 2.0)) (* (cbrt (- (exp x) 2.0)) (cbrt (- (exp x) 2.0))) (cbrt (- (exp x) 2.0)) (* (* (- (exp x) 2.0) (- (exp x) 2.0)) (- (exp x) 2.0)) (sqrt (- (exp x) 2.0)) (sqrt (- (exp x) 2.0)) (- (pow (exp x) 3) (pow 2.0 3)) (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (- 2.0) (- (* (exp x) (exp x)) (* 2.0 2.0)) (+ (exp x) 2.0) (+ (sqrt (exp x)) (sqrt 2.0)) (- (sqrt (exp x)) (sqrt 2.0)) (- (exp x) 2.0) (- 2.0) (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) (- (+ (exp x) (exp (- x))) 2.0) (- (+ (exp (* -1 x)) (exp x)) 2.0) (- (+ (* 1/2 (pow x 2)) x) 1.0) (- (exp x) 2.0) (- (exp x) 2.0) 0.388 * * [simplify]: iteration 0 : 282 enodes (cost 506 ) 0.393 * * [simplify]: iteration 1 : 1008 enodes (cost 381 ) 0.413 * * [simplify]: iteration 2 : 5001 enodes (cost 367 ) 0.415 * [simplify]: Simplified to: (expm1 (+ (- (exp x) 2.0) (exp (- x)))) (log1p (+ (- (exp x) 2.0) (exp (- x)))) (exp (+ (- (exp x) 2.0) (exp (- x)))) (exp (+ (- (exp x) 2.0) (exp (- x)))) (log (+ (- (exp x) 2.0) (exp (- x)))) (exp (+ (- (exp x) 2.0) (exp (- x)))) (* (cbrt (+ (- (exp x) 2.0) (exp (- x)))) (cbrt (+ (- (exp x) 2.0) (exp (- x))))) (cbrt (+ (- (exp x) 2.0) (exp (- x)))) (pow (- (+ (exp (* -1 x)) (exp x)) 2.0) 3) (sqrt (+ (- (exp x) 2.0) (exp (- x)))) (sqrt (+ (- (exp x) 2.0) (exp (- x)))) (fma (exp x) (- (pow (exp x) 3) (pow 2.0 3)) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x)))) (fma (exp x) (fma 2.0 2.0 (* (exp x) 2.0)) (pow (exp x) 3)) (fma (exp x) (- (pow (exp x) 3) (pow 2.0 3)) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x)))) (fma (exp x) (fma 2.0 2.0 (* (exp x) 2.0)) (pow (exp x) 3)) (fma (exp x) (fma (- 2.0) 2.0 (exp (+ x x))) (+ (exp x) 2.0)) (* (+ (exp x) 2.0) (exp x)) (fma (exp x) (fma (- 2.0) 2.0 (exp (+ x x))) (+ (exp x) 2.0)) (* (+ (exp x) 2.0) (exp x)) (+ (pow (- (exp x) 2.0) 3) (pow (exp (- x)) 3)) (fma (exp (* -1 x)) (- (exp (- x)) (- (exp x) 2.0)) (* (- (exp x) 2.0) (- (exp x) 2.0))) (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x)))) (- (- (exp x) 2.0) (exp (- x))) (- (+ (exp (* -1 x)) (exp x)) 2.0) (- (+ (exp (* -1 x)) (exp x)) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (+ (- (exp (* -1 x)) 2.0) 2.0) (- (exp (* -1 x)) 2.0) (- (exp (* -1 x)) 2.0) (- 2.0 (exp (- x))) (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) 2.0) (fma (- 2.0) 1 2.0) (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) 2.0) (fma (- 2.0) 1 2.0) (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) 2.0) (fma (- 2.0) 1 2.0) (- (exp x) 2.0) (fma (- 2.0) 1 2.0) (- (exp x) 2.0) (fma (- 2.0) 1 2.0) (- (exp x) 2.0) (fma (- 2.0) 1 2.0) (- (exp x) 2.0) (fma (- 2.0) 1 2.0) (- (exp x) 2.0) (fma (- 2.0) 1 2.0) (- (exp x) 2.0) (fma (- 2.0) 1 2.0) (expm1 (- (exp x) 2.0)) (log1p (- (exp x) 2.0)) (- 2.0) (- 2.0) (- 2.0) (exp (- (exp x) 2.0)) (log (- (exp x) 2.0)) (exp (- (exp x) 2.0)) (* (cbrt (- (exp x) 2.0)) (cbrt (- (exp x) 2.0))) (cbrt (- (exp x) 2.0)) (pow (- (exp x) 2.0) 3) (sqrt (- (exp x) 2.0)) (sqrt (- (exp x) 2.0)) (- (pow (exp x) 3) (pow 2.0 3)) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x))) (- 2.0) (fma (- 2.0) 2.0 (exp (+ x x))) (+ (exp x) 2.0) (+ (sqrt (exp x)) (sqrt 2.0)) (- (sqrt (exp x)) (sqrt 2.0)) (- (exp x) 2.0) (- 2.0) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))) (- (+ (exp (* -1 x)) (exp x)) 2.0) (- (+ (exp (* -1 x)) (exp x)) 2.0) (fma (pow x 2) 1/2 (- x 1.0)) (- (exp x) 2.0) (- (exp x) 2.0) 0.415 * * * [progress]: adding candidates to table 0.755 * * [progress]: iteration 2 / 4 0.755 * * * [progress]: picking best candidate 0.760 * * * * [pick]: Picked # 0.760 * * * [progress]: localizing error 0.771 * * * [progress]: generating rewritten candidates 0.771 * * * * [progress]: [ 1 / 1 ] rewriting at (2 3 3) 0.777 * * * [progress]: generating series expansions 0.777 * * * * [progress]: [ 1 / 1 ] generating series at (2 3 3) 0.778 * [approximate]: Taking taylor expansion of (* 1/12 (pow x 4)) in (x) around 0 0.778 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x 0.778 * [taylor]: Taking taylor expansion of 1/12 in x 0.778 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.778 * [taylor]: Taking taylor expansion of x in x 0.778 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x 0.778 * [taylor]: Taking taylor expansion of 1/12 in x 0.778 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.778 * [taylor]: Taking taylor expansion of x in x 0.778 * [approximate]: Taking taylor expansion of (/ 1/12 (pow x 4)) in (x) around 0 0.778 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x 0.778 * [taylor]: Taking taylor expansion of 1/12 in x 0.778 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.778 * [taylor]: Taking taylor expansion of x in x 0.778 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x 0.779 * [taylor]: Taking taylor expansion of 1/12 in x 0.779 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.779 * [taylor]: Taking taylor expansion of x in x 0.779 * [approximate]: Taking taylor expansion of (/ 1/12 (pow x 4)) in (x) around 0 0.779 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x 0.779 * [taylor]: Taking taylor expansion of 1/12 in x 0.779 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.779 * [taylor]: Taking taylor expansion of x in x 0.779 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x 0.779 * [taylor]: Taking taylor expansion of 1/12 in x 0.779 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.779 * [taylor]: Taking taylor expansion of x in x 0.780 * * * [progress]: simplifying candidates 0.780 * [simplify]: Simplifying using # : (expm1 (* 1/12 (pow x 4))) (log1p (* 1/12 (pow x 4))) (+ (log 1/12) (* (log x) 4)) (+ (log 1/12) (* (log x) 4)) (+ (log 1/12) (log (pow x 4))) (log (* 1/12 (pow x 4))) (exp (* 1/12 (pow x 4))) (* (* (* 1/12 1/12) 1/12) (* (* (pow x 4) (pow x 4)) (pow x 4))) (* (cbrt (* 1/12 (pow x 4))) (cbrt (* 1/12 (pow x 4)))) (cbrt (* 1/12 (pow x 4))) (* (* (* 1/12 (pow x 4)) (* 1/12 (pow x 4))) (* 1/12 (pow x 4))) (sqrt (* 1/12 (pow x 4))) (sqrt (* 1/12 (pow x 4))) (* (sqrt 1/12) (pow (sqrt x) 4)) (* (sqrt 1/12) (pow (sqrt x) 4)) (* (sqrt 1/12) (sqrt (pow x 4))) (* (sqrt 1/12) (sqrt (pow x 4))) (* (sqrt 1/12) (pow x (/ 4 2))) (* (sqrt 1/12) (pow x (/ 4 2))) (* 1/12 (pow (* (cbrt x) (cbrt x)) 4)) (* 1/12 (pow (sqrt x) 4)) (* 1/12 (pow 1 4)) (* 1/12 (* (cbrt (pow x 4)) (cbrt (pow x 4)))) (* 1/12 (sqrt (pow x 4))) (* 1/12 1) (* 1/12 (pow x (/ 4 2))) (* (cbrt 1/12) (pow x 4)) (* (sqrt 1/12) (pow x 4)) (* 1/12 (pow x 4)) (* 1/12 (pow x 4)) (* 1/12 (pow x 4)) (* 1/12 (pow x 4)) 0.784 * * [simplify]: iteration 0 : 102 enodes (cost 103 ) 0.787 * * [simplify]: iteration 1 : 406 enodes (cost 98 ) 0.797 * * [simplify]: iteration 2 : 1841 enodes (cost 95 ) 0.851 * * [simplify]: iteration 3 : 5001 enodes (cost 95 ) 0.852 * [simplify]: Simplified to: (expm1 (* 1/12 (pow x 4))) (log1p (* 1/12 (pow x 4))) (log (* 1/12 (pow x 4))) (log (* 1/12 (pow x 4))) (log (* 1/12 (pow x 4))) (log (* 1/12 (pow x 4))) (exp (* 1/12 (pow x 4))) (pow (* 1/12 (pow x 4)) 3) (* (cbrt (* 1/12 (pow x 4))) (cbrt (* 1/12 (pow x 4)))) (cbrt (* 1/12 (pow x 4))) (pow (* 1/12 (pow x 4)) 3) (sqrt (* 1/12 (pow x 4))) (sqrt (* 1/12 (pow x 4))) (* (sqrt 1/12) (pow x 2)) (* (sqrt 1/12) (pow x 2)) (* (sqrt 1/12) (sqrt (pow x 4))) (* (sqrt 1/12) (sqrt (pow x 4))) (* (sqrt 1/12) (pow x 2)) (* (sqrt 1/12) (pow x 2)) (* 1/12 (pow (* (cbrt x) (cbrt x)) 4)) (* 1/12 (pow x 2)) 1/12 (* 1/12 (* (cbrt (pow x 4)) (cbrt (pow x 4)))) (* 1/12 (sqrt (pow x 4))) 1/12 (* 1/12 (pow x 2)) (* (cbrt 1/12) (pow x 4)) (* (sqrt 1/12) (pow x 4)) (* 1/12 (pow x 4)) (* 1/12 (pow x 4)) (* 1/12 (pow x 4)) (* 1/12 (pow x 4)) 0.852 * * * [progress]: adding candidates to table 0.998 * [progress]: [Phase 3 of 3] Extracting. 1.003 * [simplify]: Simplifying using # : (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))) 1.004 * * [simplify]: iteration 0 : 11 enodes (cost 5 ) 1.004 * * [simplify]: iteration 1 : 11 enodes (cost 5 ) 1.004 * [simplify]: Simplified to: (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))) 4.670 * [regime-testing]: End program error score: 0.5643624347539014 4.791 * [regime-testing]: Target error score: 0.04900443493784074