19.799 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.068 * * * [progress]: [2/2] Setting up program. 0.071 * [progress]: [Phase 2 of 3] Improving. 0.071 * [simplify]: Simplifying using # : (sin (pow (sqrt (atan2 b b)) (- b a))) 0.073 * * [simplify]: iteration 0 : 13 enodes (cost 5 ) 0.074 * * [simplify]: iteration 1 : 22 enodes (cost 5 ) 0.075 * * [simplify]: iteration 2 : 44 enodes (cost 5 ) 0.077 * * [simplify]: iteration 3 : 114 enodes (cost 5 ) 0.079 * * [simplify]: iteration 4 : 315 enodes (cost 5 ) 0.086 * * [simplify]: iteration 5 : 1609 enodes (cost 5 ) 0.120 * * [simplify]: iteration 6 : 5001 enodes (cost 5 ) 0.120 * [simplify]: Simplified to: (sin (pow (sqrt (atan2 b b)) (- b a))) 0.121 * * [progress]: iteration 1 / 4 0.121 * * * [progress]: picking best candidate 0.123 * * * * [pick]: Picked # 0.123 * * * [progress]: localizing error 0.132 * * * [progress]: generating rewritten candidates 0.132 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1) 0.133 * * * [progress]: generating series expansions 0.133 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1) 0.133 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0 0.133 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b 0.133 * [taylor]: Taking taylor expansion of (atan2 b b) in b 0.134 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b 0.134 * [taylor]: Taking taylor expansion of (atan2 b b) in b 0.137 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0 0.137 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b 0.137 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b 0.137 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b 0.137 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b 0.140 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0 0.140 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b 0.140 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b 0.141 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b 0.141 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b 0.144 * * * [progress]: simplifying candidates 0.144 * [simplify]: Simplifying using # : (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)) 0.146 * * [simplify]: iteration 0 : 22 enodes (cost 47 ) 0.147 * * [simplify]: iteration 1 : 25 enodes (cost 46 ) 0.149 * * [simplify]: iteration 2 : 28 enodes (cost 46 ) 0.150 * * [simplify]: iteration 3 : 33 enodes (cost 46 ) 0.151 * * [simplify]: iteration 4 : 52 enodes (cost 46 ) 0.153 * * [simplify]: iteration 5 : 106 enodes (cost 46 ) 0.157 * * [simplify]: iteration 6 : 533 enodes (cost 46 ) 0.171 * * [simplify]: iteration 7 : 1765 enodes (cost 45 ) 0.236 * * [simplify]: iteration 8 : 5001 enodes (cost 45 ) 0.237 * [simplify]: Simplified to: (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)) 0.237 * * * [progress]: adding candidates to table 0.272 * [progress]: [Phase 3 of 3] Extracting. 0.275 * [simplify]: Simplifying using # : (sin (pow (sqrt (atan2 b b)) (- b a))) 0.275 * * [simplify]: iteration 0 : 7 enodes (cost 5 ) 0.275 * [simplify]: Simplified to: (sin (pow (sqrt (atan2 b b)) (- b a))) 2.654 * [regime-testing]: End program error score: 0.08991678532344251