6.846 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.011 * * * [progress]: [2/2] Setting up program. 0.012 * [progress]: [Phase 2 of 3] Improving. 0.012 * [simplify]: Simplifying using # : (* x (- 1.0 (* x 0.5))) 0.013 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.014 * * [simplify]: iteration 1 : 10 enodes (cost 7 ) 0.015 * * [simplify]: iteration 2 : 23 enodes (cost 7 ) 0.018 * * [simplify]: iteration 3 : 37 enodes (cost 7 ) 0.023 * * [simplify]: iteration 4 : 41 enodes (cost 7 ) 0.028 * * [simplify]: iteration done : 41 enodes (cost 7 ) 0.028 * [simplify]: Simplified to: (* x (- 1.0 (* x 0.5))) 0.028 * * [progress]: iteration 1 / 4 0.028 * * * [progress]: picking best candidate 0.029 * * * * [pick]: Picked # 0.029 * * * [progress]: localizing error 0.034 * * * [progress]: generating rewritten candidates 0.034 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.042 * * * [progress]: generating series expansions 0.042 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.042 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0 0.042 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x 0.042 * [taylor]: Taking taylor expansion of 1.0 in x 0.042 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.042 * [taylor]: Taking taylor expansion of 0.5 in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x 0.042 * [taylor]: Taking taylor expansion of 1.0 in x 0.042 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.042 * [taylor]: Taking taylor expansion of 0.5 in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.066 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0 0.066 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x 0.066 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x 0.066 * [taylor]: Taking taylor expansion of 1.0 in x 0.066 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.066 * [taylor]: Taking taylor expansion of 0.5 in x 0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.066 * [taylor]: Taking taylor expansion of x in x 0.066 * [taylor]: Taking taylor expansion of x in x 0.068 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x 0.068 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x 0.068 * [taylor]: Taking taylor expansion of 1.0 in x 0.068 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.068 * [taylor]: Taking taylor expansion of 0.5 in x 0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.068 * [taylor]: Taking taylor expansion of x in x 0.068 * [taylor]: Taking taylor expansion of x in x 0.086 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0 0.086 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x 0.086 * [taylor]: Taking taylor expansion of -1 in x 0.086 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x 0.086 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x 0.086 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.086 * [taylor]: Taking taylor expansion of 0.5 in x 0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.086 * [taylor]: Taking taylor expansion of x in x 0.086 * [taylor]: Taking taylor expansion of 1.0 in x 0.086 * [taylor]: Taking taylor expansion of x in x 0.087 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x 0.087 * [taylor]: Taking taylor expansion of -1 in x 0.087 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x 0.087 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x 0.087 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.087 * [taylor]: Taking taylor expansion of 0.5 in x 0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.087 * [taylor]: Taking taylor expansion of x in x 0.088 * [taylor]: Taking taylor expansion of 1.0 in x 0.088 * [taylor]: Taking taylor expansion of x in x 0.109 * * * [progress]: simplifying candidates 0.110 * [simplify]: Simplifying using # : (* x (- 1.0 (* x 0.5))) (+ (log x) (log (- 1.0 (* x 0.5)))) (log (* x (- 1.0 (* x 0.5)))) (exp (* x (- 1.0 (* x 0.5)))) (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5)))) (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5))))) (cbrt (* x (- 1.0 (* x 0.5)))) (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5)))) (sqrt (* x (- 1.0 (* x 0.5)))) (sqrt (* x (- 1.0 (* x 0.5)))) (* (sqrt x) (sqrt (- 1.0 (* x 0.5)))) (* (sqrt x) (sqrt (- 1.0 (* x 0.5)))) (* x 1.0) (* x (- (* x 0.5))) (* x 1.0) (* x (- (* x 0.5))) (* 1.0 x) (* (- (* x 0.5)) x) (* 1.0 x) (* (- (* x 0.5)) x) (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5))))) (* x (sqrt (- 1.0 (* x 0.5)))) (* x 1) (* (cbrt x) (- 1.0 (* x 0.5))) (* (sqrt x) (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5))) (* x (- (pow 1.0 3) (pow (* x 0.5) 3))) (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5)))) (- (* 1.0 x) (* 0.5 (pow x 2))) (- (* 1.0 x) (* 0.5 (pow x 2))) (- (* 1.0 x) (* 0.5 (pow x 2))) 0.112 * * [simplify]: iteration 0 : 51 enodes (cost 273 ) 0.122 * * [simplify]: iteration 1 : 122 enodes (cost 270 ) 0.146 * * [simplify]: iteration 2 : 339 enodes (cost 236 ) 0.241 * * [simplify]: iteration 3 : 1237 enodes (cost 236 ) 0.954 * * [simplify]: iteration done : 5001 enodes (cost 236 ) 0.954 * [simplify]: Simplified to: (* (- 1.0 (* x 0.5)) x) (log (* x (- 1.0 (* x 0.5)))) (log (* x (- 1.0 (* x 0.5)))) (exp (* x (- 1.0 (* x 0.5)))) (pow (* x (- 1.0 (* x 0.5))) 3) (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5))))) (cbrt (* x (- 1.0 (* x 0.5)))) (pow (* x (- 1.0 (* x 0.5))) 3) (sqrt (* x (- 1.0 (* x 0.5)))) (sqrt (* x (- 1.0 (* x 0.5)))) (* (sqrt x) (sqrt (- 1.0 (* x 0.5)))) (* (sqrt x) (sqrt (- 1.0 (* x 0.5)))) (* 1.0 x) (- (* 0.5 (* x x))) (* 1.0 x) (- (* 0.5 (* x x))) (* 1.0 x) (- (* 0.5 (* x x))) (* 1.0 x) (- (* 0.5 (* x x))) (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5))))) (* x (sqrt (- 1.0 (* x 0.5)))) x (* (cbrt x) (- 1.0 (* x 0.5))) (* (sqrt x) (- 1.0 (* x 0.5))) (* (- 1.0 (* x 0.5)) x) (* x (- (pow 1.0 3) (pow (* x 0.5) 3))) (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5)))) (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x) 0.954 * * * [progress]: adding candidates to table 0.990 * * [progress]: iteration 2 / 4 0.990 * * * [progress]: picking best candidate 0.992 * * * * [pick]: Picked # 0.992 * * * [progress]: localizing error 0.998 * * * [progress]: generating rewritten candidates 0.998 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2 1) 1.004 * * * * [progress]: [ 2 / 2 ] rewriting at (2) 1.009 * * * [progress]: generating series expansions 1.009 * * * * [progress]: [ 1 / 2 ] generating series at (2 2 1) 1.009 * [approximate]: Taking taylor expansion of (* 0.5 (pow x 2)) in (x) around 0 1.010 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 1.010 * [taylor]: Taking taylor expansion of 0.5 in x 1.010 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.010 * [taylor]: Taking taylor expansion of x in x 1.010 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 1.010 * [taylor]: Taking taylor expansion of 0.5 in x 1.010 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.010 * [taylor]: Taking taylor expansion of x in x 1.018 * [approximate]: Taking taylor expansion of (/ 0.5 (pow x 2)) in (x) around 0 1.018 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 1.018 * [taylor]: Taking taylor expansion of 0.5 in x 1.018 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.018 * [taylor]: Taking taylor expansion of x in x 1.018 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 1.018 * [taylor]: Taking taylor expansion of 0.5 in x 1.018 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.018 * [taylor]: Taking taylor expansion of x in x 1.025 * [approximate]: Taking taylor expansion of (/ 0.5 (pow x 2)) in (x) around 0 1.026 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 1.026 * [taylor]: Taking taylor expansion of 0.5 in x 1.026 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.026 * [taylor]: Taking taylor expansion of x in x 1.026 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 1.026 * [taylor]: Taking taylor expansion of 0.5 in x 1.026 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.026 * [taylor]: Taking taylor expansion of x in x 1.033 * * * * [progress]: [ 2 / 2 ] generating series at (2) 1.034 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0 1.034 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x 1.034 * [taylor]: Taking taylor expansion of (* 1.0 x) in x 1.034 * [taylor]: Taking taylor expansion of 1.0 in x 1.034 * [taylor]: Taking taylor expansion of x in x 1.034 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 1.034 * [taylor]: Taking taylor expansion of 0.5 in x 1.034 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.034 * [taylor]: Taking taylor expansion of x in x 1.034 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x 1.034 * [taylor]: Taking taylor expansion of (* 1.0 x) in x 1.034 * [taylor]: Taking taylor expansion of 1.0 in x 1.034 * [taylor]: Taking taylor expansion of x in x 1.034 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 1.034 * [taylor]: Taking taylor expansion of 0.5 in x 1.034 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.034 * [taylor]: Taking taylor expansion of x in x 1.052 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0 1.052 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x 1.052 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 1.052 * [taylor]: Taking taylor expansion of 1.0 in x 1.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.052 * [taylor]: Taking taylor expansion of x in x 1.052 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 1.052 * [taylor]: Taking taylor expansion of 0.5 in x 1.052 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 1.052 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.052 * [taylor]: Taking taylor expansion of x in x 1.053 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x 1.053 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 1.053 * [taylor]: Taking taylor expansion of 1.0 in x 1.053 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.053 * [taylor]: Taking taylor expansion of x in x 1.053 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 1.053 * [taylor]: Taking taylor expansion of 0.5 in x 1.053 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 1.053 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.053 * [taylor]: Taking taylor expansion of x in x 1.080 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0 1.080 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x 1.080 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x 1.080 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 1.080 * [taylor]: Taking taylor expansion of 0.5 in x 1.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 1.080 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.080 * [taylor]: Taking taylor expansion of x in x 1.080 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 1.080 * [taylor]: Taking taylor expansion of 1.0 in x 1.080 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.080 * [taylor]: Taking taylor expansion of x in x 1.081 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x 1.081 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x 1.081 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 1.081 * [taylor]: Taking taylor expansion of 0.5 in x 1.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 1.081 * [taylor]: Taking taylor expansion of (pow x 2) in x 1.081 * [taylor]: Taking taylor expansion of x in x 1.081 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 1.081 * [taylor]: Taking taylor expansion of 1.0 in x 1.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.081 * [taylor]: Taking taylor expansion of x in x 1.105 * * * [progress]: simplifying candidates 1.106 * [simplify]: Simplifying using # : (* 0.5 (* x x)) (* 0.5 (* x x)) (+ (log 0.5) (+ (log x) (log x))) (+ (log 0.5) (log (* x x))) (log (* 0.5 (* x x))) (exp (* 0.5 (* x x))) (* (* (* 0.5 0.5) 0.5) (* (* (* x x) x) (* (* x x) x))) (* (* (* 0.5 0.5) 0.5) (* (* (* x x) (* x x)) (* x x))) (* (cbrt (* 0.5 (* x x))) (cbrt (* 0.5 (* x x)))) (cbrt (* 0.5 (* x x))) (* (* (* 0.5 (* x x)) (* 0.5 (* x x))) (* 0.5 (* x x))) (sqrt (* 0.5 (* x x))) (sqrt (* 0.5 (* x x))) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* 0.5 x) (* (cbrt 0.5) (* x x)) (* (sqrt 0.5) (* x x)) (* 0.5 (* x x)) (* (exp (* 1.0 x)) (/ 1 (exp (* 0.5 (* x x))))) (* (exp (* 1.0 x)) (exp (- (* 0.5 (* x x))))) (log (+ (* 1.0 x) (- (* 0.5 (* x x))))) (exp (+ (* 1.0 x) (- (* 0.5 (* x x))))) (* (cbrt (+ (* 1.0 x) (- (* 0.5 (* x x))))) (cbrt (+ (* 1.0 x) (- (* 0.5 (* x x)))))) (cbrt (+ (* 1.0 x) (- (* 0.5 (* x x))))) (* (* (+ (* 1.0 x) (- (* 0.5 (* x x)))) (+ (* 1.0 x) (- (* 0.5 (* x x))))) (+ (* 1.0 x) (- (* 0.5 (* x x))))) (sqrt (+ (* 1.0 x) (- (* 0.5 (* x x))))) (sqrt (+ (* 1.0 x) (- (* 0.5 (* x x))))) (+ (pow (* 1.0 x) 3) (pow (- (* 0.5 (* x x))) 3)) (+ (* (* 1.0 x) (* 1.0 x)) (- (* (- (* 0.5 (* x x))) (- (* 0.5 (* x x)))) (* (* 1.0 x) (- (* 0.5 (* x x)))))) (- (* (* 1.0 x) (* 1.0 x)) (* (- (* 0.5 (* x x))) (- (* 0.5 (* x x))))) (- (* 1.0 x) (- (* 0.5 (* x x)))) (+ (* 1.0 x) 0) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (- (* 1.0 x) (* 0.5 (pow x 2))) (- (* 1.0 x) (* 0.5 (pow x 2))) (- (* 1.0 x) (* 0.5 (pow x 2))) 1.108 * * [simplify]: iteration 0 : 65 enodes (cost 406 ) 1.120 * * [simplify]: iteration 1 : 183 enodes (cost 377 ) 1.166 * * [simplify]: iteration 2 : 680 enodes (cost 297 ) 1.836 * * [simplify]: iteration 3 : 3562 enodes (cost 289 ) 3.592 * * [simplify]: iteration done : 5000 enodes (cost 289 ) 3.593 * [simplify]: Simplified to: (* x (* 0.5 x)) (* x (* 0.5 x)) (log (* 0.5 (* x x))) (log (* 0.5 (* x x))) (log (* 0.5 (* x x))) (exp (* 0.5 (* x x))) (pow (* x (* 0.5 x)) 3) (pow (* x (* 0.5 x)) 3) (* (cbrt (* 0.5 (* x x))) (cbrt (* 0.5 (* x x)))) (cbrt (* 0.5 (* x x))) (pow (* x (* 0.5 x)) 3) (sqrt (* 0.5 (* x x))) (sqrt (* 0.5 (* x x))) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* 0.5 x) (* (cbrt 0.5) (* x x)) (* (sqrt 0.5) (* x x)) (* x (* 0.5 x)) (exp (* x (- 1.0 (* 0.5 x)))) (exp (* x (- 1.0 (* 0.5 x)))) (log (* x (- 1.0 (* 0.5 x)))) (exp (* x (- 1.0 (* 0.5 x)))) (* (cbrt (* x (- 1.0 (* 0.5 x)))) (cbrt (* x (- 1.0 (* 0.5 x))))) (cbrt (* x (- 1.0 (* 0.5 x)))) (pow (* x (- 1.0 (* 0.5 x))) 3) (sqrt (* x (- 1.0 (* 0.5 x)))) (sqrt (* x (- 1.0 (* 0.5 x)))) (- (pow (* 1.0 x) 3) (pow (* x (* 0.5 x)) 3)) (+ (* (* 0.5 0.5) (pow x 4)) (* (* 1.0 x) (* x (+ (* 0.5 x) 1.0)))) (* (* x x) (- (* 1.0 1.0) (* (* 0.5 (* x x)) 0.5))) (* x (+ (* 0.5 x) 1.0)) (* 1.0 x) (* x (* 0.5 x)) (* x (* 0.5 x)) (* x (* 0.5 x)) (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x))) 3.593 * * * [progress]: adding candidates to table 3.649 * [progress]: [Phase 3 of 3] Extracting. 3.649 * * [regime]: Finding splitpoints for: (# #) 3.649 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x) 3.649 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (# #) 3.659 * * * * [regimes]: Trying to branch on x from (# #) 3.668 * * * [regime]: Found split indices: #