17.812 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.010 * * * [progress]: [2/2] Setting up program. 0.012 * [progress]: [Phase 2 of 3] Improving. 0.012 * [simplify]: Simplifying using # : (/ 2.0 (+ (exp x) (exp (- x)))) 0.013 * * [simplify]: iteration 0 : 7 enodes (cost 8 ) 0.014 * * [simplify]: iteration 1 : 10 enodes (cost 8 ) 0.015 * * [simplify]: iteration 2 : 12 enodes (cost 8 ) 0.017 * * [simplify]: iteration 3 : 14 enodes (cost 8 ) 0.018 * * [simplify]: iteration 4 : 15 enodes (cost 8 ) 0.020 * * [simplify]: iteration 5 : 20 enodes (cost 8 ) 0.024 * * [simplify]: iteration 6 : 28 enodes (cost 8 ) 0.033 * * [simplify]: iteration 7 : 45 enodes (cost 8 ) 0.051 * * [simplify]: iteration 8 : 93 enodes (cost 8 ) 0.206 * * [simplify]: iteration 9 : 571 enodes (cost 8 ) 2.595 * * [simplify]: iteration done : 5000 enodes (cost 8 ) 2.595 * [simplify]: Simplified to: (/ 2.0 (+ (exp x) (exp (- x)))) 2.596 * * [progress]: iteration 1 / 4 2.596 * * * [progress]: picking best candidate 2.598 * * * * [pick]: Picked # 2.598 * * * [progress]: localizing error 2.604 * * * [progress]: generating rewritten candidates 2.605 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 2.620 * * * [progress]: generating series expansions 2.620 * * * * [progress]: [ 1 / 1 ] generating series at (2) 2.621 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in (x) around 0 2.621 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 2.621 * [taylor]: Taking taylor expansion of 2.0 in x 2.621 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 2.621 * [taylor]: Taking taylor expansion of (exp x) in x 2.621 * [taylor]: Taking taylor expansion of x in x 2.621 * [taylor]: Taking taylor expansion of (exp (- x)) in x 2.621 * [taylor]: Taking taylor expansion of (- x) in x 2.621 * [taylor]: Taking taylor expansion of x in x 2.622 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 2.622 * [taylor]: Taking taylor expansion of 2.0 in x 2.622 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 2.622 * [taylor]: Taking taylor expansion of (exp x) in x 2.622 * [taylor]: Taking taylor expansion of x in x 2.622 * [taylor]: Taking taylor expansion of (exp (- x)) in x 2.622 * [taylor]: Taking taylor expansion of (- x) in x 2.622 * [taylor]: Taking taylor expansion of x in x 2.645 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0 2.646 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x 2.646 * [taylor]: Taking taylor expansion of 2.0 in x 2.646 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 2.646 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 2.646 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.646 * [taylor]: Taking taylor expansion of x in x 2.646 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 2.646 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 2.646 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.646 * [taylor]: Taking taylor expansion of x in x 2.647 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x 2.647 * [taylor]: Taking taylor expansion of 2.0 in x 2.647 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 2.647 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 2.647 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.647 * [taylor]: Taking taylor expansion of x in x 2.647 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 2.647 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 2.647 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.647 * [taylor]: Taking taylor expansion of x in x 2.653 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0 2.653 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x 2.653 * [taylor]: Taking taylor expansion of 2.0 in x 2.653 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 2.654 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 2.654 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.654 * [taylor]: Taking taylor expansion of x in x 2.654 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 2.654 * [taylor]: Taking taylor expansion of (/ -1 x) in x 2.654 * [taylor]: Taking taylor expansion of -1 in x 2.654 * [taylor]: Taking taylor expansion of x in x 2.654 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x 2.654 * [taylor]: Taking taylor expansion of 2.0 in x 2.654 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 2.654 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 2.654 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.655 * [taylor]: Taking taylor expansion of x in x 2.655 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 2.655 * [taylor]: Taking taylor expansion of (/ -1 x) in x 2.655 * [taylor]: Taking taylor expansion of -1 in x 2.655 * [taylor]: Taking taylor expansion of x in x 2.660 * * * [progress]: simplifying candidates 2.661 * [simplify]: Simplifying using # : (- (log 2.0) (log (+ (exp x) (exp (- x))))) (log (/ 2.0 (+ (exp x) (exp (- x))))) (exp (/ 2.0 (+ (exp x) (exp (- x))))) (/ (* (* 2.0 2.0) 2.0) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))) (* (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x)))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (* (* (/ 2.0 (+ (exp x) (exp (- x)))) (/ 2.0 (+ (exp x) (exp (- x))))) (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (- 2.0) (- (+ (exp x) (exp (- x)))) (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ (exp x) (exp (- x))))) (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (* (cbrt 2.0) (cbrt 2.0)) 1) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (/ (* (cbrt 2.0) (cbrt 2.0)) 1) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) 1) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (/ (sqrt 2.0) 1) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (cbrt (+ (exp x) (exp (- x))))) (/ 1 (sqrt (+ (exp x) (exp (- x))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) (/ 1 1) (/ 2.0 (+ (exp x) (exp (- x)))) (/ 1 1) (/ 2.0 (+ (exp x) (exp (- x)))) (/ 1 (+ (exp x) (exp (- x)))) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) (/ 2.0 1) (/ 2.0 1) (/ (+ (exp x) (exp (- x))) (cbrt 2.0)) (/ (+ (exp x) (exp (- x))) (sqrt 2.0)) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (+ (pow (exp x) 3) (pow (exp (- x)) 3))) (/ 2.0 (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (/ 2.0 (+ (exp x) (exp (- x)))) (/ 2.0 (+ (exp (* -1 x)) (exp x))) 2.663 * * [simplify]: iteration 0 : 78 enodes (cost 492 ) 2.676 * * [simplify]: iteration 1 : 164 enodes (cost 472 ) 2.711 * * [simplify]: iteration 2 : 432 enodes (cost 438 ) 2.973 * * [simplify]: iteration 3 : 1810 enodes (cost 437 ) 3.707 * * [simplify]: iteration done : 5000 enodes (cost 437 ) 3.707 * [simplify]: Simplified to: (log (/ 2.0 (+ (exp x) (exp (- x))))) (log (/ 2.0 (+ (exp x) (exp (- x))))) (exp (/ 2.0 (+ (exp x) (exp (- x))))) (pow (/ 2.0 (+ (exp x) (exp (- x)))) 3) (* (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x)))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (pow (/ 2.0 (+ (exp x) (exp (- x)))) 3) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (- 2.0) (- (+ (exp x) (exp (- x)))) (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ (exp x) (exp (- x))))) (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (* (cbrt 2.0) (cbrt 2.0)) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (* (cbrt 2.0) (cbrt 2.0)) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (cbrt (+ (exp x) (exp (- x))))) (/ 1 (sqrt (+ (exp x) (exp (- x))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) 1 (/ 2.0 (+ (exp (- x)) (exp x))) 1 (/ 2.0 (+ (exp (- x)) (exp x))) (/ 1 (+ (exp x) (exp (- x)))) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) 2.0 2.0 (/ (+ (exp x) (exp (- x))) (cbrt 2.0)) (/ (+ (exp x) (exp (- x))) (sqrt 2.0)) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (+ (pow (exp x) 3) (exp (* x -3)))) (/ 2.0 (- (exp (+ x x)) (exp (* x -2)))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (/ 2.0 (+ (exp (- x)) (exp x))) (/ 2.0 (+ (exp (- x)) (exp x))) 3.708 * * * [progress]: adding candidates to table 3.781 * * [progress]: iteration 2 / 4 3.782 * * * [progress]: picking best candidate 3.784 * * * * [pick]: Picked # 3.784 * * * [progress]: localizing error 3.795 * * * [progress]: generating rewritten candidates 3.795 * * * * [progress]: [ 1 / 3 ] rewriting at (2) 3.818 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2) 3.823 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1) 3.830 * * * [progress]: generating series expansions 3.831 * * * * [progress]: [ 1 / 3 ] generating series at (2) 3.831 * [approximate]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) in (x) around 0 3.831 * [taylor]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) in x 3.831 * [taylor]: Taking taylor expansion of (+ (* 0.20833333333333334 (pow x 4)) 1.0) in x 3.831 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (pow x 4)) in x 3.831 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.831 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.831 * [taylor]: Taking taylor expansion of x in x 3.831 * [taylor]: Taking taylor expansion of 1.0 in x 3.831 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 3.831 * [taylor]: Taking taylor expansion of 0.5 in x 3.831 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.831 * [taylor]: Taking taylor expansion of x in x 3.831 * [taylor]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) in x 3.831 * [taylor]: Taking taylor expansion of (+ (* 0.20833333333333334 (pow x 4)) 1.0) in x 3.831 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (pow x 4)) in x 3.831 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.831 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.831 * [taylor]: Taking taylor expansion of x in x 3.831 * [taylor]: Taking taylor expansion of 1.0 in x 3.831 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 3.831 * [taylor]: Taking taylor expansion of 0.5 in x 3.831 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.831 * [taylor]: Taking taylor expansion of x in x 3.839 * [approximate]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0 3.840 * [taylor]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) (* 0.5 (/ 1 (pow x 2)))) in x 3.840 * [taylor]: Taking taylor expansion of (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) in x 3.840 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (/ 1 (pow x 4))) in x 3.840 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.840 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x 3.840 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.840 * [taylor]: Taking taylor expansion of x in x 3.840 * [taylor]: Taking taylor expansion of 1.0 in x 3.840 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 3.840 * [taylor]: Taking taylor expansion of 0.5 in x 3.840 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.841 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.841 * [taylor]: Taking taylor expansion of x in x 3.841 * [taylor]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) (* 0.5 (/ 1 (pow x 2)))) in x 3.841 * [taylor]: Taking taylor expansion of (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) in x 3.841 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (/ 1 (pow x 4))) in x 3.841 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.841 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x 3.841 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.841 * [taylor]: Taking taylor expansion of x in x 3.842 * [taylor]: Taking taylor expansion of 1.0 in x 3.842 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 3.842 * [taylor]: Taking taylor expansion of 0.5 in x 3.842 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.842 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.842 * [taylor]: Taking taylor expansion of x in x 3.858 * [approximate]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0 3.858 * [taylor]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) (* 0.5 (/ 1 (pow x 2)))) in x 3.858 * [taylor]: Taking taylor expansion of (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) in x 3.858 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (/ 1 (pow x 4))) in x 3.858 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.858 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x 3.858 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.858 * [taylor]: Taking taylor expansion of x in x 3.859 * [taylor]: Taking taylor expansion of 1.0 in x 3.859 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 3.859 * [taylor]: Taking taylor expansion of 0.5 in x 3.859 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.859 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.859 * [taylor]: Taking taylor expansion of x in x 3.860 * [taylor]: Taking taylor expansion of (- (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) (* 0.5 (/ 1 (pow x 2)))) in x 3.860 * [taylor]: Taking taylor expansion of (+ (* 0.20833333333333334 (/ 1 (pow x 4))) 1.0) in x 3.860 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (/ 1 (pow x 4))) in x 3.860 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.860 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x 3.860 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.860 * [taylor]: Taking taylor expansion of x in x 3.860 * [taylor]: Taking taylor expansion of 1.0 in x 3.861 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 3.861 * [taylor]: Taking taylor expansion of 0.5 in x 3.861 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.861 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.861 * [taylor]: Taking taylor expansion of x in x 3.880 * * * * [progress]: [ 2 / 3 ] generating series at (2 2) 3.880 * [approximate]: Taking taylor expansion of (* 0.5 (pow x 2)) in (x) around 0 3.880 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 3.880 * [taylor]: Taking taylor expansion of 0.5 in x 3.880 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.880 * [taylor]: Taking taylor expansion of x in x 3.880 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 3.880 * [taylor]: Taking taylor expansion of 0.5 in x 3.880 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.880 * [taylor]: Taking taylor expansion of x in x 3.888 * [approximate]: Taking taylor expansion of (/ 0.5 (pow x 2)) in (x) around 0 3.888 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 3.888 * [taylor]: Taking taylor expansion of 0.5 in x 3.888 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.888 * [taylor]: Taking taylor expansion of x in x 3.889 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 3.889 * [taylor]: Taking taylor expansion of 0.5 in x 3.889 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.889 * [taylor]: Taking taylor expansion of x in x 3.897 * [approximate]: Taking taylor expansion of (/ 0.5 (pow x 2)) in (x) around 0 3.897 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 3.897 * [taylor]: Taking taylor expansion of 0.5 in x 3.897 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.897 * [taylor]: Taking taylor expansion of x in x 3.897 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 3.897 * [taylor]: Taking taylor expansion of 0.5 in x 3.897 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.897 * [taylor]: Taking taylor expansion of x in x 3.904 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1) 3.905 * [approximate]: Taking taylor expansion of (* 0.20833333333333334 (pow x 4)) in (x) around 0 3.905 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (pow x 4)) in x 3.905 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.905 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.905 * [taylor]: Taking taylor expansion of x in x 3.905 * [taylor]: Taking taylor expansion of (* 0.20833333333333334 (pow x 4)) in x 3.905 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.905 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.905 * [taylor]: Taking taylor expansion of x in x 3.916 * [approximate]: Taking taylor expansion of (/ 0.20833333333333334 (pow x 4)) in (x) around 0 3.916 * [taylor]: Taking taylor expansion of (/ 0.20833333333333334 (pow x 4)) in x 3.916 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.916 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.916 * [taylor]: Taking taylor expansion of x in x 3.917 * [taylor]: Taking taylor expansion of (/ 0.20833333333333334 (pow x 4)) in x 3.917 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.917 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.917 * [taylor]: Taking taylor expansion of x in x 3.928 * [approximate]: Taking taylor expansion of (/ 0.20833333333333334 (pow x 4)) in (x) around 0 3.928 * [taylor]: Taking taylor expansion of (/ 0.20833333333333334 (pow x 4)) in x 3.928 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.928 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.928 * [taylor]: Taking taylor expansion of x in x 3.929 * [taylor]: Taking taylor expansion of (/ 0.20833333333333334 (pow x 4)) in x 3.929 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 3.929 * [taylor]: Taking taylor expansion of (pow x 4) in x 3.929 * [taylor]: Taking taylor expansion of x in x 3.940 * * * [progress]: simplifying candidates 3.941 * [simplify]: Simplifying using # : (/ (* (exp (* 0.20833333333333334 (pow x 4))) (exp 1.0)) (exp (* 0.5 (pow x 2)))) (/ (exp (+ (* 0.20833333333333334 (pow x 4)) 1.0)) (exp (* 0.5 (pow x 2)))) (log (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (exp (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (* (cbrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (cbrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))))) (cbrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (* (* (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (sqrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (sqrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (- (pow (+ (* 0.20833333333333334 (pow x 4)) 1.0) 3) (pow (* 0.5 (pow x 2)) 3)) (+ (* (+ (* 0.20833333333333334 (pow x 4)) 1.0) (+ (* 0.20833333333333334 (pow x 4)) 1.0)) (+ (* (* 0.5 (pow x 2)) (* 0.5 (pow x 2))) (* (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))))) (- (* 0.5 (pow x 2))) (- (* (+ (* 0.20833333333333334 (pow x 4)) 1.0) (+ (* 0.20833333333333334 (pow x 4)) 1.0)) (* (* 0.5 (pow x 2)) (* 0.5 (pow x 2)))) (+ (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2))) (- (* 0.5 (pow x 2))) (+ (log 0.5) (* (log x) 2)) (+ (log 0.5) (* (log x) 2)) (+ (log 0.5) (log (pow x 2))) (log (* 0.5 (pow x 2))) (exp (* 0.5 (pow x 2))) (* (* (* 0.5 0.5) 0.5) (* (* (pow x 2) (pow x 2)) (pow x 2))) (* (cbrt (* 0.5 (pow x 2))) (cbrt (* 0.5 (pow x 2)))) (cbrt (* 0.5 (pow x 2))) (* (* (* 0.5 (pow x 2)) (* 0.5 (pow x 2))) (* 0.5 (pow x 2))) (sqrt (* 0.5 (pow x 2))) (sqrt (* 0.5 (pow x 2))) (* (sqrt 0.5) (pow (sqrt x) 2)) (* (sqrt 0.5) (pow (sqrt x) 2)) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* (sqrt 0.5) (sqrt (pow x 2))) (* (sqrt 0.5) (sqrt (pow x 2))) (* (sqrt 0.5) (pow x (/ 2 2))) (* (sqrt 0.5) (pow x (/ 2 2))) (* 0.5 (pow (* (cbrt x) (cbrt x)) 2)) (* 0.5 (pow (sqrt x) 2)) (* 0.5 (pow 1 2)) (* 0.5 x) (* 0.5 (* (cbrt (pow x 2)) (cbrt (pow x 2)))) (* 0.5 (sqrt (pow x 2))) (* 0.5 1) (* 0.5 (pow x (/ 2 2))) (* (cbrt 0.5) (pow x 2)) (* (sqrt 0.5) (pow x 2)) (* 0.5 (pow x 2)) (+ (log 0.20833333333333334) (* (log x) 4)) (+ (log 0.20833333333333334) (* (log x) 4)) (+ (log 0.20833333333333334) (log (pow x 4))) (log (* 0.20833333333333334 (pow x 4))) (exp (* 0.20833333333333334 (pow x 4))) (* (* (* 0.20833333333333334 0.20833333333333334) 0.20833333333333334) (* (* (pow x 4) (pow x 4)) (pow x 4))) (* (cbrt (* 0.20833333333333334 (pow x 4))) (cbrt (* 0.20833333333333334 (pow x 4)))) (cbrt (* 0.20833333333333334 (pow x 4))) (* (* (* 0.20833333333333334 (pow x 4)) (* 0.20833333333333334 (pow x 4))) (* 0.20833333333333334 (pow x 4))) (sqrt (* 0.20833333333333334 (pow x 4))) (sqrt (* 0.20833333333333334 (pow x 4))) (* (sqrt 0.20833333333333334) (pow (sqrt x) 4)) (* (sqrt 0.20833333333333334) (pow (sqrt x) 4)) (* (sqrt 0.20833333333333334) (sqrt (pow x 4))) (* (sqrt 0.20833333333333334) (sqrt (pow x 4))) (* (sqrt 0.20833333333333334) (pow x (/ 4 2))) (* (sqrt 0.20833333333333334) (pow x (/ 4 2))) (* 0.20833333333333334 (pow (* (cbrt x) (cbrt x)) 4)) (* 0.20833333333333334 (pow (sqrt x) 4)) (* 0.20833333333333334 (pow 1 4)) (* 0.20833333333333334 (* (cbrt (pow x 4)) (cbrt (pow x 4)))) (* 0.20833333333333334 (sqrt (pow x 4))) (* 0.20833333333333334 1) (* 0.20833333333333334 (pow x (/ 4 2))) (* (cbrt 0.20833333333333334) (pow x 4)) (* (sqrt 0.20833333333333334) (pow x 4)) (* 0.20833333333333334 (pow x 4)) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.20833333333333334 (pow x 4)) (* 0.20833333333333334 (pow x 4)) (* 0.20833333333333334 (pow x 4)) 3.946 * * [simplify]: iteration 0 : 121 enodes (cost 780 ) 3.970 * * [simplify]: iteration 1 : 270 enodes (cost 715 ) 4.055 * * [simplify]: iteration 2 : 937 enodes (cost 647 ) 4.762 * * [simplify]: iteration 3 : 4695 enodes (cost 641 ) 6.944 * * [simplify]: iteration done : 5000 enodes (cost 641 ) 6.945 * [simplify]: Simplified to: (exp (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (exp (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (log (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (exp (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (* (cbrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (cbrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))))) (cbrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (pow (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) 3) (sqrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (sqrt (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))) (- (pow (+ (* 0.20833333333333334 (pow x 4)) 1.0) 3) (pow (* 0.5 (pow x 2)) 3)) (+ (* (+ (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (+ (* 0.20833333333333334 (pow x 4)) 1.0)) (* (* 0.5 0.5) (pow x 4))) (- (* 0.5 (pow x 2))) (- (* (+ (* 0.20833333333333334 (pow x 4)) 1.0) (+ (* 0.20833333333333334 (pow x 4)) 1.0)) (* (* 0.5 0.5) (pow x 4))) (+ (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2))) (- (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (exp (* 0.5 (pow x 2))) (pow (* 0.5 (pow x 2)) 3) (* (cbrt (* 0.5 (pow x 2))) (cbrt (* 0.5 (pow x 2)))) (cbrt (* 0.5 (pow x 2))) (pow (* 0.5 (pow x 2)) 3) (sqrt (* 0.5 (pow x 2))) (sqrt (* 0.5 (pow x 2))) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* (sqrt 0.5) (fabs x)) (* (sqrt 0.5) (fabs x)) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* 0.5 (pow (* (cbrt x) (cbrt x)) 2)) (* 0.5 x) 0.5 (* 0.5 x) (* 0.5 (* (cbrt (pow x 2)) (cbrt (pow x 2)))) (* 0.5 (fabs x)) 0.5 (* 0.5 x) (* (cbrt 0.5) (pow x 2)) (* (sqrt 0.5) (pow x 2)) (* 0.5 (pow x 2)) (log (* 0.20833333333333334 (pow x 4))) (log (* 0.20833333333333334 (pow x 4))) (log (* 0.20833333333333334 (pow x 4))) (log (* 0.20833333333333334 (pow x 4))) (exp (* 0.20833333333333334 (pow x 4))) (pow (* 0.20833333333333334 (pow x 4)) 3) (* (cbrt (* 0.20833333333333334 (pow x 4))) (cbrt (* 0.20833333333333334 (pow x 4)))) (cbrt (* 0.20833333333333334 (pow x 4))) (pow (* 0.20833333333333334 (pow x 4)) 3) (sqrt (* 0.20833333333333334 (pow x 4))) (sqrt (* 0.20833333333333334 (pow x 4))) (* (sqrt 0.20833333333333334) (* x x)) (* (sqrt 0.20833333333333334) (* x x)) (* (sqrt 0.20833333333333334) (sqrt (pow x 4))) (* (sqrt 0.20833333333333334) (sqrt (pow x 4))) (* (sqrt 0.20833333333333334) (* x x)) (* (sqrt 0.20833333333333334) (* x x)) (* 0.20833333333333334 (pow (* (cbrt x) (cbrt x)) 4)) (* 0.20833333333333334 (pow x 2)) 0.20833333333333334 (* 0.20833333333333334 (* (cbrt (pow x 4)) (cbrt (pow x 4)))) (* 0.20833333333333334 (sqrt (pow x 4))) 0.20833333333333334 (* 0.20833333333333334 (pow x 2)) (* (cbrt 0.20833333333333334) (pow x 4)) (* (sqrt 0.20833333333333334) (pow x 4)) (* 0.20833333333333334 (pow x 4)) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.20833333333333334 (pow x 4)) (* 0.20833333333333334 (pow x 4)) (* 0.20833333333333334 (pow x 4)) 6.946 * * * [progress]: adding candidates to table 7.085 * [progress]: [Phase 3 of 3] Extracting. 7.085 * * [regime]: Finding splitpoints for: (# #) 7.086 * * * [regime-changes]: Trying 3 branch expressions: ((+ (exp x) (exp (- x))) (/ 2.0 (+ (exp x) (exp (- x)))) x) 7.086 * * * * [regimes]: Trying to branch on (+ (exp x) (exp (- x))) from (# #) 7.100 * * * * [regimes]: Trying to branch on (/ 2.0 (+ (exp x) (exp (- x)))) from (# #) 7.114 * * * * [regimes]: Trying to branch on x from (# #) 7.124 * * * [regime]: Found split indices: #