17.942 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.042 * * * [progress]: [2/2] Setting up program. 0.047 * [progress]: [Phase 2 of 3] Improving. 0.047 * [simplify]: Simplifying using # : (fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))) 0.049 * * [simplify]: iteration 0 : 70 enodes (cost 42 ) 0.052 * * [simplify]: iteration 1 : 252 enodes (cost 42 ) 0.058 * * [simplify]: iteration 2 : 1059 enodes (cost 42 ) 0.085 * * [simplify]: iteration 3 : 4713 enodes (cost 42 ) 0.160 * * [simplify]: iteration 4 : 5001 enodes (cost 42 ) 0.160 * [simplify]: Simplified to: (fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))) 0.161 * * [progress]: iteration 1 / 4 0.161 * * * [progress]: picking best candidate 0.165 * * * * [pick]: Picked # 0.165 * * * [progress]: localizing error 0.195 * * * [progress]: generating rewritten candidates 0.195 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1 2) 0.196 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1 1 2) 0.202 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2 2 2 1 1 1 1) 0.206 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2 1 2 2 1 1) 0.211 * * * [progress]: generating series expansions 0.211 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1 2) 0.211 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1 1 2) 0.212 * [approximate]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs x) 3)) in (x) around 0 0.212 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs x) 3)) in x 0.212 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.212 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.212 * [taylor]: Taking taylor expansion of (fabs x) in x 0.212 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs x) 3)) in x 0.212 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.212 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.212 * [taylor]: Taking taylor expansion of (fabs x) in x 0.227 * [approximate]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ 1 x)) 3)) in (x) around 0 0.227 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ 1 x)) 3)) in x 0.227 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.227 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.227 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.227 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ 1 x)) 3)) in x 0.227 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.228 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.228 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.243 * [approximate]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ -1 x)) 3)) in (x) around 0 0.243 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ -1 x)) 3)) in x 0.243 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.243 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.243 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.243 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ -1 x)) 3)) in x 0.243 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.243 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.243 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.258 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 2 2 2 1 1 1 1) 0.258 * [approximate]: Taking taylor expansion of (pow (fabs x) 3) in (x) around 0 0.259 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.259 * [taylor]: Taking taylor expansion of (fabs x) in x 0.259 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.259 * [taylor]: Taking taylor expansion of (fabs x) in x 0.268 * [approximate]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in (x) around 0 0.268 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.268 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.268 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.268 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.277 * [approximate]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in (x) around 0 0.277 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.277 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.277 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.277 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.290 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2 1 2 2 1 1) 0.290 * [approximate]: Taking taylor expansion of (pow (fabs x) 3) in (x) around 0 0.290 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.290 * [taylor]: Taking taylor expansion of (fabs x) in x 0.290 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.290 * [taylor]: Taking taylor expansion of (fabs x) in x 0.299 * [approximate]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in (x) around 0 0.299 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.299 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.299 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.299 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.308 * [approximate]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in (x) around 0 0.309 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.309 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.309 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.309 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.318 * * * [progress]: simplifying candidates 0.319 * [simplify]: Simplifying using # : (* (/ 2.0 3.0) (* (fabs x) (fabs x))) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (* (/ 1 3.0) (* (* (fabs x) (fabs x)) (fabs x))) (* 2.0 (* (* (fabs x) (fabs x)) (fabs x))) (* (- 2.0) (* (* (fabs x) (fabs x)) (fabs x))) (* 1 (* (* (fabs x) (fabs x)) (fabs x))) (+ 2 1) (* (fabs x) (fabs x)) (* (fabs x) (fabs x)) (+ 2 1) (* (fabs x) (fabs x)) (* (fabs x) (fabs x)) (fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) 0.322 * * [simplify]: iteration 0 : 109 enodes (cost 101 ) 0.325 * * [simplify]: iteration 1 : 472 enodes (cost 101 ) 0.336 * * [simplify]: iteration 2 : 2288 enodes (cost 101 ) 0.383 * * [simplify]: iteration 3 : 5001 enodes (cost 97 ) 0.384 * [simplify]: Simplified to: (* (/ 2.0 3.0) (* (fabs x) (fabs x))) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (/ (pow (fabs x) 3) 3.0) (* (pow (fabs x) 3) 2.0) (* (pow (fabs x) 3) (- 2.0)) (pow (fabs x) 3) 3 (pow (fabs x) 2) (pow (fabs x) 2) 3 (pow (fabs x) 2) (pow (fabs x) 2) (fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) 0.384 * * * [progress]: adding candidates to table 0.466 * * [progress]: iteration 2 / 4 0.466 * * * [progress]: picking best candidate 0.473 * * * * [pick]: Picked # 0.473 * * * [progress]: localizing error 0.503 * * * [progress]: generating rewritten candidates 0.503 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1 2) 0.504 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1 1 2) 0.510 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2 1 2 2 1 1) 0.514 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2 1 1 2 2) 0.519 * * * [progress]: generating series expansions 0.519 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1 2) 0.519 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1 1 2) 0.520 * [approximate]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs x) 3)) in (x) around 0 0.520 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs x) 3)) in x 0.520 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.520 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.520 * [taylor]: Taking taylor expansion of (fabs x) in x 0.520 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs x) 3)) in x 0.520 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.520 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.520 * [taylor]: Taking taylor expansion of (fabs x) in x 0.536 * [approximate]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ 1 x)) 3)) in (x) around 0 0.536 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ 1 x)) 3)) in x 0.536 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.536 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.536 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.536 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ 1 x)) 3)) in x 0.536 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.536 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.536 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.552 * [approximate]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ -1 x)) 3)) in (x) around 0 0.552 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ -1 x)) 3)) in x 0.552 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.552 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.552 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.552 * [taylor]: Taking taylor expansion of (* 0.6666666666666666 (pow (fabs (/ -1 x)) 3)) in x 0.552 * [taylor]: Taking taylor expansion of 0.6666666666666666 in x 0.552 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.552 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.570 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 2 1 2 2 1 1) 0.570 * [approximate]: Taking taylor expansion of (pow (fabs x) 3) in (x) around 0 0.570 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.570 * [taylor]: Taking taylor expansion of (fabs x) in x 0.570 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.570 * [taylor]: Taking taylor expansion of (fabs x) in x 0.579 * [approximate]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in (x) around 0 0.579 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.579 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.579 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.579 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.588 * [approximate]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in (x) around 0 0.588 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.589 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.589 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.589 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.598 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2 1 1 2 2) 0.598 * [approximate]: Taking taylor expansion of (pow (fabs x) 3) in (x) around 0 0.598 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.598 * [taylor]: Taking taylor expansion of (fabs x) in x 0.598 * [taylor]: Taking taylor expansion of (pow (fabs x) 3) in x 0.598 * [taylor]: Taking taylor expansion of (fabs x) in x 0.607 * [approximate]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in (x) around 0 0.607 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.607 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.607 * [taylor]: Taking taylor expansion of (pow (fabs (/ 1 x)) 3) in x 0.607 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x 0.616 * [approximate]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in (x) around 0 0.616 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.616 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.616 * [taylor]: Taking taylor expansion of (pow (fabs (/ -1 x)) 3) in x 0.616 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x 0.626 * * * [progress]: simplifying candidates 0.627 * [simplify]: Simplifying using # : (* (/ 2.0 3.0) (* (fabs x) (fabs x))) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (* (/ 1 3.0) (* (* (fabs x) (fabs x)) (fabs x))) (* 2.0 (* (* (fabs x) (fabs x)) (fabs x))) (* (- 2.0) (* (* (fabs x) (fabs x)) (fabs x))) (* 1 (* (* (fabs x) (fabs x)) (fabs x))) (+ 2 1) (* (fabs x) (fabs x)) (* (fabs x) (fabs x)) (+ 2 1) (* (fabs x) (fabs x)) (* (fabs x) (fabs x)) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) 0.629 * * [simplify]: iteration 0 : 50 enodes (cost 59 ) 0.631 * * [simplify]: iteration 1 : 198 enodes (cost 59 ) 0.636 * * [simplify]: iteration 2 : 740 enodes (cost 59 ) 0.644 * * [simplify]: iteration 3 : 1713 enodes (cost 59 ) 0.667 * * [simplify]: iteration 4 : 4365 enodes (cost 59 ) 0.729 * * [simplify]: iteration 5 : 5001 enodes (cost 59 ) 0.730 * [simplify]: Simplified to: (* (/ 2.0 3.0) (* (fabs x) (fabs x))) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (* (/ 2.0 3.0) (fabs x)) (/ (pow (fabs x) 3) 3.0) (* (pow (fabs x) 3) 2.0) (* (pow (fabs x) 3) (- 2.0)) (pow (fabs x) 3) 3 (* (fabs x) (fabs x)) (* (fabs x) (fabs x)) 3 (* (fabs x) (fabs x)) (* (fabs x) (fabs x)) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (* 0.6666666666666666 (pow (fabs x) 3)) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) (pow (fabs x) 3) 0.730 * * * [progress]: adding candidates to table 0.807 * [progress]: [Phase 3 of 3] Extracting. 0.812 * [simplify]: Simplifying using # : (fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (pow (fabs x) 3) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))) 0.813 * * [simplify]: iteration 0 : 47 enodes (cost 39 ) 0.813 * * [simplify]: iteration 1 : 47 enodes (cost 39 ) 0.813 * [simplify]: Simplified to: (fabs (* (/ 1.0 (sqrt PI)) (+ (+ (+ (* 2.0 (fabs x)) (* (/ 2.0 3.0) (* (* (fabs x) (fabs x)) (fabs x)))) (* (/ 1.0 5.0) (* (* (* (* (fabs x) (fabs x)) (fabs x)) (fabs x)) (fabs x)))) (* (/ 1.0 21.0) (* (* (* (* (pow (fabs x) 3) (fabs x)) (fabs x)) (fabs x)) (fabs x)))))) 2.043 * [regime-testing]: End program error score: 0.19695225185344667