0.889 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.377 * * * [progress]: [2/2] Setting up program. 0.381 * [progress]: [Phase 2 of 3] Improving. 0.383 * [simplify]: Simplifying using # : (sin (pow (sqrt (atan2 b b)) (- b a))) 0.389 * * [simplify]: iteration 0 : 13 enodes (cost 5 ) 0.390 * * [simplify]: iteration 1 : 22 enodes (cost 5 ) 0.392 * * [simplify]: iteration 2 : 44 enodes (cost 5 ) 0.393 * * [simplify]: iteration 3 : 114 enodes (cost 5 ) 0.396 * * [simplify]: iteration 4 : 321 enodes (cost 5 ) 0.403 * * [simplify]: iteration 5 : 1627 enodes (cost 5 ) 0.441 * * [simplify]: iteration 6 : 5001 enodes (cost 5 ) 0.442 * [simplify]: Simplified to: (sin (pow (sqrt (atan2 b b)) (- b a))) 0.443 * * [progress]: iteration 1 / 4 0.443 * * * [progress]: picking best candidate 0.446 * * * * [pick]: Picked # 0.446 * * * [progress]: localizing error 0.469 * * * [progress]: generating rewritten candidates 0.470 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1) 0.475 * * * [progress]: generating series expansions 0.475 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1) 0.479 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0 0.480 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b 0.480 * [taylor]: Taking taylor expansion of (atan2 b b) in b 0.481 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b 0.481 * [taylor]: Taking taylor expansion of (atan2 b b) in b 0.485 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0 0.485 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b 0.485 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b 0.485 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b 0.485 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b 0.489 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0 0.489 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b 0.489 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b 0.489 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b 0.489 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b 0.493 * * * [progress]: simplifying candidates 0.493 * [simplify]: Simplifying using # : (expm1 (sqrt (atan2 b b))) (log1p (sqrt (atan2 b b))) (log (sqrt (atan2 b b))) (exp (sqrt (atan2 b b))) (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b)))) (cbrt (sqrt (atan2 b b))) (* (* (sqrt (atan2 b b)) (sqrt (atan2 b b))) (sqrt (atan2 b b))) (sqrt (* (cbrt (atan2 b b)) (cbrt (atan2 b b)))) (sqrt (cbrt (atan2 b b))) (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))) (sqrt 1) (sqrt (atan2 b b)) (/ 1 2) (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))) (sqrt (atan2 b b)) (sqrt (atan2 b b)) (sqrt (atan2 b b)) 0.496 * * [simplify]: iteration 0 : 24 enodes (cost 53 ) 0.497 * * [simplify]: iteration 1 : 27 enodes (cost 52 ) 0.499 * * [simplify]: iteration 2 : 30 enodes (cost 52 ) 0.500 * * [simplify]: iteration 3 : 35 enodes (cost 52 ) 0.502 * * [simplify]: iteration 4 : 54 enodes (cost 52 ) 0.503 * * [simplify]: iteration 5 : 108 enodes (cost 52 ) 0.508 * * [simplify]: iteration 6 : 535 enodes (cost 52 ) 0.523 * * [simplify]: iteration 7 : 1774 enodes (cost 51 ) 0.592 * * [simplify]: iteration 8 : 5001 enodes (cost 51 ) 0.593 * [simplify]: Simplified to: (expm1 (sqrt (atan2 b b))) (log1p (sqrt (atan2 b b))) (log (sqrt (atan2 b b))) (exp (sqrt (atan2 b b))) (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b)))) (cbrt (sqrt (atan2 b b))) (pow (sqrt (atan2 b b)) 3) (fabs (cbrt (atan2 b b))) (sqrt (cbrt (atan2 b b))) (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))) 1 (sqrt (atan2 b b)) 1/2 (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))) (sqrt (atan2 b b)) (sqrt (atan2 b b)) (sqrt (atan2 b b)) 0.593 * * * [progress]: adding candidates to table 0.625 * [progress]: [Phase 3 of 3] Extracting. 0.628 * [simplify]: Simplifying using # : (sin (pow (sqrt (atan2 b b)) (- b a))) 0.629 * * [simplify]: iteration 0 : 7 enodes (cost 5 ) 0.629 * [simplify]: Simplified to: (sin (pow (sqrt (atan2 b b)) (- b a))) 4.259 * [regime-testing]: End program error score: 0.10516923206821505