2.632 * [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 ) 0.021 * * [simplify]: iteration 3 : 44 enodes (cost 7 ) 0.026 * * [simplify]: iteration 4 : 57 enodes (cost 7 ) 0.033 * * [simplify]: iteration done : 57 enodes (cost 7 ) 0.033 * [simplify]: Simplified to: (* x (- 1.0 (* x 0.5))) 0.033 * * [progress]: iteration 1 / 4 0.033 * * * [progress]: picking best candidate 0.034 * * * * [pick]: Picked # 0.034 * * * [progress]: localizing error 0.038 * * * [progress]: generating rewritten candidates 0.038 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.049 * * * [progress]: generating series expansions 0.050 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.054 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0 0.055 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x 0.055 * [taylor]: Taking taylor expansion of 1.0 in x 0.055 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.055 * [taylor]: Taking taylor expansion of 0.5 in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x 0.055 * [taylor]: Taking taylor expansion of 1.0 in x 0.055 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.055 * [taylor]: Taking taylor expansion of 0.5 in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.078 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0 0.078 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x 0.078 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x 0.078 * [taylor]: Taking taylor expansion of 1.0 in x 0.078 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.078 * [taylor]: Taking taylor expansion of 0.5 in x 0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.078 * [taylor]: Taking taylor expansion of x in x 0.078 * [taylor]: Taking taylor expansion of x in x 0.080 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x 0.080 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x 0.080 * [taylor]: Taking taylor expansion of 1.0 in x 0.080 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.080 * [taylor]: Taking taylor expansion of 0.5 in x 0.080 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.080 * [taylor]: Taking taylor expansion of x in x 0.080 * [taylor]: Taking taylor expansion of x in x 0.103 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0 0.103 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x 0.103 * [taylor]: Taking taylor expansion of -1 in x 0.103 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x 0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x 0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.103 * [taylor]: Taking taylor expansion of 0.5 in x 0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.103 * [taylor]: Taking taylor expansion of x in x 0.104 * [taylor]: Taking taylor expansion of 1.0 in x 0.104 * [taylor]: Taking taylor expansion of x in x 0.104 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x 0.104 * [taylor]: Taking taylor expansion of -1 in x 0.104 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x 0.105 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x 0.105 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.105 * [taylor]: Taking taylor expansion of 0.5 in x 0.105 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.105 * [taylor]: Taking taylor expansion of x in x 0.105 * [taylor]: Taking taylor expansion of 1.0 in x 0.105 * [taylor]: Taking taylor expansion of x in x 0.127 * * * [progress]: simplifying candidates 0.128 * [simplify]: Simplifying using # : (expm1 (* x (- 1.0 (* x 0.5)))) (log1p (* x (- 1.0 (* x 0.5)))) (* 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 (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x)))) (* x (fma (- 0.5) x (* 0.5 x))) (* x (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x)))) (* x (fma (- 0.5) x (* 0.5 x))) (* x (fma 1 1.0 (- (* 0.5 x)))) (* x (fma (- 0.5) x (* 0.5 x))) (* x 1.0) (* x (- (* x 0.5))) (* x 1.0) (* x (- (* x 0.5))) (* (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))) x) (* (fma (- 0.5) x (* 0.5 x)) x) (* (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))) x) (* (fma (- 0.5) x (* 0.5 x)) x) (* (fma 1 1.0 (- (* 0.5 x))) x) (* (fma (- 0.5) x (* 0.5 x)) x) (* 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))) 0.130 * * [simplify]: iteration 0 : 71 enodes (cost 411 ) 0.142 * * [simplify]: iteration 1 : 157 enodes (cost 408 )