0.856 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.336 * * * [progress]: [2/2] Setting up program. 0.340 * [progress]: [Phase 2 of 3] Improving. 0.343 * [simplify]: Simplifying using # : (sin (pow (sqrt (atan2 b b)) (- b a))) 0.346 * * [simplify]: iteration 0 : 13 enodes (cost 5 ) 0.348 * * [simplify]: iteration 1 : 22 enodes (cost 5 ) 0.349 * * [simplify]: iteration 2 : 44 enodes (cost 5 ) 0.351 * * [simplify]: iteration 3 : 114 enodes (cost 5 ) 0.353 * * [simplify]: iteration 4 : 321 enodes (cost 5 ) 0.361 * * [simplify]: iteration 5 : 1627 enodes (cost 5 ) 0.396 * * [simplify]: iteration 6 : 5001 enodes (cost 5 ) 0.397 * [simplify]: Simplified to: (sin (pow (sqrt (atan2 b b)) (- b a))) 0.398 * * [progress]: iteration 1 / 4 0.398 * * * [progress]: picking best candidate 0.401 * * * * [pick]: Picked # 0.401 * * * [progress]: localizing error 0.412 * * * [progress]: generating rewritten candidates 0.412 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1) 0.417 * * * [progress]: generating series expansions 0.417 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1) 0.421 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0 0.421 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b 0.421 * [taylor]: Taking taylor expansion of (atan2 b b) in b 0.423 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b 0.423 * [taylor]: Taking taylor expansion of (atan2 b b) in b 0.427 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0 0.427 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b 0.427 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b 0.427 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b 0.427 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b 0.430 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0 0.430 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b 0.430 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b 0.431 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b 0.431 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b 0.434 * * * [progress]: simplifying candidates 0.434 * [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)) 0.437 * * [simplify]: iteration 0 : 24 enodes (cost 53 ) 0.438 * * [simplify]: iteration 1 : 27 enodes (cost 52 ) 0.439 * * [simplify]: iteration 2 : 30 enodes (cost 52 ) 0.440 * * [simplify]: iteration 3 : 35 enodes (cost 52 ) 0.442 * * [simplify]: iteration 4 : 54 enodes (cost 52 ) 0.443 * * [simplify]: iteration 5 : 108 enodes (cost 52 ) 0.448 * * [simplify]: iteration 6 : 535 enodes (cost 52 ) 0.462 * * [simplify]: iteration 7 : 1774 enodes (cost 51 ) 0.532 * * [simplify]: iteration 8 : 5001 enodes (cost 51 ) 0.541 * [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)) 0.542 * * * [progress]: adding candidates to table 0.582 * [progress]: [Phase 3 of 3] Extracting. 0.585 * [simplify]: Simplifying using # : (sin (pow (sqrt (atan2 b b)) (- b a))) 0.585 * * [simplify]: iteration 0 : 7 enodes (cost 5 ) 0.585 * [simplify]: Simplified to: (sin (pow (sqrt (atan2 b b)) (- b a))) 2.808 * [regime-testing]: End program error score: 0.1136214213037633