42.118 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.022 * * * [progress]: [2/2] Setting up program. 0.024 * [progress]: [Phase 2 of 3] Improving. 0.024 * [simplify]: Simplifying using # : (- (* (* x x) 2.0) 1.0) 0.028 * * [simplify]: iteration 0 : 12 enodes (cost 3 ) 0.030 * * [simplify]: iteration 1 : 18 enodes (cost 3 ) 0.032 * * [simplify]: iteration 2 : 19 enodes (cost 3 ) 0.034 * * [simplify]: iteration 3 : 19 enodes (cost 3 ) 0.034 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.035 * * [progress]: iteration 1 / 4 0.035 * * * [progress]: picking best candidate 0.037 * * * * [pick]: Picked # 0.037 * * * [progress]: localizing error 0.045 * * * [progress]: generating rewritten candidates 0.045 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.056 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.067 * * * [progress]: generating series expansions 0.067 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.067 * [approximate]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in (x) around 0 0.067 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x 0.067 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.067 * [taylor]: Taking taylor expansion of 2.0 in x 0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.067 * [taylor]: Taking taylor expansion of x in x 0.067 * [taylor]: Taking taylor expansion of 1.0 in x 0.067 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x 0.067 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.067 * [taylor]: Taking taylor expansion of 2.0 in x 0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.067 * [taylor]: Taking taylor expansion of x in x 0.067 * [taylor]: Taking taylor expansion of 1.0 in x 0.079 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0 0.079 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.079 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.079 * [taylor]: Taking taylor expansion of 2.0 in x 0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.080 * [taylor]: Taking taylor expansion of x in x 0.080 * [taylor]: Taking taylor expansion of 1.0 in x 0.080 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.080 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.080 * [taylor]: Taking taylor expansion of 2.0 in x 0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.080 * [taylor]: Taking taylor expansion of x in x 0.081 * [taylor]: Taking taylor expansion of 1.0 in x 0.102 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0 0.102 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.102 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.102 * [taylor]: Taking taylor expansion of 2.0 in x 0.102 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.102 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.102 * [taylor]: Taking taylor expansion of x in x 0.103 * [taylor]: Taking taylor expansion of 1.0 in x 0.103 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.103 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.103 * [taylor]: Taking taylor expansion of 2.0 in x 0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.103 * [taylor]: Taking taylor expansion of x in x 0.103 * [taylor]: Taking taylor expansion of 1.0 in x 0.122 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 0.122 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.122 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.122 * [taylor]: Taking taylor expansion of 2.0 in x 0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.122 * [taylor]: Taking taylor expansion of x in x 0.122 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.122 * [taylor]: Taking taylor expansion of 2.0 in x 0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.122 * [taylor]: Taking taylor expansion of x in x 0.130 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.130 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.130 * [taylor]: Taking taylor expansion of 2.0 in x 0.130 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.130 * [taylor]: Taking taylor expansion of x in x 0.131 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.131 * [taylor]: Taking taylor expansion of 2.0 in x 0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.131 * [taylor]: Taking taylor expansion of x in x 0.138 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.138 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.138 * [taylor]: Taking taylor expansion of 2.0 in x 0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.138 * [taylor]: Taking taylor expansion of x in x 0.138 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.138 * [taylor]: Taking taylor expansion of 2.0 in x 0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.138 * [taylor]: Taking taylor expansion of x in x 0.145 * * * [progress]: simplifying candidates 0.146 * [simplify]: Simplifying using # : (fma (* x x) 2.0 (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) (fma (* x x) 2.0 (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma (* x x) 2.0 (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (expm1 (- (* (* x x) 2.0) 1.0)) (log1p (- (* (* x x) 2.0) 1.0)) (- 1.0) (/ (exp (* (* x x) 2.0)) (exp 1.0)) (log (- (* (* x x) 2.0) 1.0)) (exp (- (* (* x x) 2.0) 1.0)) (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0))) (cbrt (- (* (* x x) 2.0) 1.0)) (* (* (- (* (* x x) 2.0) 1.0) (- (* (* x x) 2.0) 1.0)) (- (* (* x x) 2.0) 1.0)) (sqrt (- (* (* x x) 2.0) 1.0)) (sqrt (- (* (* x x) 2.0) 1.0)) (- (pow (* (* x x) 2.0) 3) (pow 1.0 3)) (+ (* (* (* x x) 2.0) (* (* x x) 2.0)) (+ (* 1.0 1.0) (* (* (* x x) 2.0) 1.0))) (- 1.0) (- (* (* (* x x) 2.0) (* (* x x) 2.0)) (* 1.0 1.0)) (+ (* (* x x) 2.0) 1.0) (- 1.0) (expm1 (* (* x x) 2.0)) (log1p (* (* x x) 2.0)) (* (* x x) 2.0) (* (* x x) 2.0) (+ (+ (log x) (log x)) (log 2.0)) (+ (log (* x x)) (log 2.0)) (log (* (* x x) 2.0)) (exp (* (* x x) 2.0)) (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0)) (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0)) (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0))) (cbrt (* (* x x) 2.0)) (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)) (* x (sqrt 2.0)) (* x (sqrt 2.0)) (* (* x x) (* (cbrt 2.0) (cbrt 2.0))) (* (* x x) (sqrt 2.0)) (* (* x x) 1) (* x 2.0) (- (* 2.0 (pow x 2)) 1.0) (- (* 2.0 (pow x 2)) 1.0) (- (* 2.0 (pow x 2)) 1.0) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 0.150 * * [simplify]: iteration 0 : 192 enodes (cost 194 ) 0.154 * * [simplify]: iteration 1 : 774 enodes (cost 160 ) 0.173 * * [simplify]: iteration 2 : 3829 enodes (cost 154 ) 0.252 * * [simplify]: iteration 3 : 5002 enodes (cost 154 ) 0.253 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) (- 1.0 1.0) (- (* (* x x) 2.0) 1.0) (- 1.0 1.0) (- (* (* x x) 2.0) 1.0) (- 1.0 1.0) (expm1 (- (* (* x x) 2.0) 1.0)) (log1p (- (* (* x x) 2.0) 1.0)) (- 1.0) (exp (- (* (* x x) 2.0) 1.0)) (log (- (* (* x x) 2.0) 1.0)) (exp (- (* (* x x) 2.0) 1.0)) (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0))) (cbrt (- (* (* x x) 2.0) 1.0)) (pow (- (* (* x x) 2.0) 1.0) 3) (sqrt (- (* (* x x) 2.0) 1.0)) (sqrt (- (* (* x x) 2.0) 1.0)) (- (pow (* (* x x) 2.0) 3) (pow 1.0 3)) (fma (* 2.0 2.0) (pow x 4) (* 1.0 (fma (* x x) 2.0 1.0))) (- 1.0) (fma (* 2.0 2.0) (pow x 4) (- (* 1.0 1.0))) (fma (* x x) 2.0 1.0) (- 1.0) (expm1 (* (* x x) 2.0)) (log1p (* (* x x) 2.0)) (* (* x x) 2.0) (* (* x x) 2.0) (log (* (* x x) 2.0)) (log (* (* x x) 2.0)) (log (* (* x x) 2.0)) (exp (* (* x x) 2.0)) (pow (* (* x x) 2.0) 3) (pow (* (* x x) 2.0) 3) (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0))) (cbrt (* (* x x) 2.0)) (pow (* (* x x) 2.0) 3) (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)) (* x (sqrt 2.0)) (* x (sqrt 2.0)) (* (* x x) (* (cbrt 2.0) (cbrt 2.0))) (* (* x x) (sqrt 2.0)) (pow x 2) (* x 2.0) (- (* (* x x) 2.0) 1.0) (- (* (* x x) 2.0) 1.0) (- (* (* x x) 2.0) 1.0) (* (* x x) 2.0) (* (* x x) 2.0) (* (* x x) 2.0) 0.253 * * * [progress]: adding candidates to table 0.297 * [progress]: [Phase 3 of 3] Extracting. 0.299 * [simplify]: Simplifying using # : (- (* (* x x) 2.0) 1.0) 0.299 * * [simplify]: iteration 0 : 7 enodes (cost 3 ) 0.299 * * [simplify]: iteration 1 : 7 enodes (cost 3 ) 0.299 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.662 * [regime-testing]: End program error score: 0.0011251406425803225