20.234 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.013 * * * [progress]: [2/2] Setting up program. 0.014 * [progress]: [Phase 2 of 3] Improving. 0.014 * [simplify]: Simplifying using # : (- (* (* x x) 2.0) 1.0) 0.016 * * [simplify]: iteration 0 : 12 enodes (cost 3 ) 0.018 * * [simplify]: iteration 1 : 18 enodes (cost 3 ) 0.019 * * [simplify]: iteration 2 : 19 enodes (cost 3 ) 0.020 * * [simplify]: iteration 3 : 19 enodes (cost 3 ) 0.020 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.020 * * [progress]: iteration 1 / 4 0.020 * * * [progress]: picking best candidate 0.021 * * * * [pick]: Picked # 0.021 * * * [progress]: localizing error 0.025 * * * [progress]: generating rewritten candidates 0.025 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.031 * * * [progress]: generating series expansions 0.031 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.031 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.031 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.031 * [taylor]: Taking taylor expansion of 2.0 in x 0.031 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.031 * [taylor]: Taking taylor expansion of x in x 0.031 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.031 * [taylor]: Taking taylor expansion of 2.0 in x 0.031 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.031 * [taylor]: Taking taylor expansion of x in x 0.039 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.039 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.039 * [taylor]: Taking taylor expansion of 2.0 in x 0.039 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.039 * [taylor]: Taking taylor expansion of x in x 0.039 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.039 * [taylor]: Taking taylor expansion of 2.0 in x 0.039 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.040 * [taylor]: Taking taylor expansion of x in x 0.046 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.046 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.046 * [taylor]: Taking taylor expansion of 2.0 in x 0.046 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.046 * [taylor]: Taking taylor expansion of x in x 0.047 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.047 * [taylor]: Taking taylor expansion of 2.0 in x 0.047 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.047 * [taylor]: Taking taylor expansion of x in x 0.054 * * * [progress]: simplifying candidates 0.054 * [simplify]: Simplifying using # : (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)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 0.057 * * [simplify]: iteration 0 : 100 enodes (cost 82 ) 0.060 * * [simplify]: iteration 1 : 431 enodes (cost 67 ) 0.068 * * [simplify]: iteration 2 : 1741 enodes (cost 67 ) 0.106 * * [simplify]: iteration 3 : 5002 enodes (cost 67 ) 0.107 * [simplify]: Simplified to: (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) (* (* x x) 2.0) (* (* x x) 2.0) 0.107 * * * [progress]: adding candidates to table 0.131 * [progress]: [Phase 3 of 3] Extracting. 0.132 * [simplify]: Simplifying using # : (- (* (* x x) 2.0) 1.0) 0.133 * * [simplify]: iteration 0 : 7 enodes (cost 3 ) 0.133 * * [simplify]: iteration 1 : 7 enodes (cost 3 ) 0.133 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.508 * [regime-testing]: End program error score: 0.001573316977212296