18.985 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.060 * * * [progress]: [2/2] Setting up program.
0.062 * [progress]: [Phase 2 of 3] Improving.
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.065 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.066 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.067 * * [simplify]: iteration  2 :  44  enodes  (cost  5 )
0.069 * * [simplify]: iteration  3 :  114  enodes  (cost  5 )
0.071 * * [simplify]: iteration  4 :  321  enodes  (cost  5 )
0.078 * * [simplify]: iteration  5 :  1627  enodes  (cost  5 )
0.113 * * [simplify]: iteration  6 :  5001  enodes  (cost  5 )
0.114 * [simplify]: Simplified to:
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.114 * * [progress]: iteration 1 / 4
0.114 * * * [progress]: picking best candidate
0.116 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
0.116 * * * [progress]: localizing error
0.130 * * * [progress]: generating rewritten candidates
0.130 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
0.131 * * * [progress]: generating series expansions
0.131 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
0.131 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
0.131 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.131 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.131 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.131 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.135 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
0.135 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.135 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.135 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.135 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.138 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
0.138 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.138 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.138 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.138 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.141 * * * [progress]: simplifying candidates
0.142 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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))
0.144 * * [simplify]: iteration  0 :  24  enodes  (cost  53 )
0.145 * * [simplify]: iteration  1 :  27  enodes  (cost  52 )
0.147 * * [simplify]: iteration  2 :  30  enodes  (cost  52 )
0.148 * * [simplify]: iteration  3 :  35  enodes  (cost  52 )
0.149 * * [simplify]: iteration  4 :  54  enodes  (cost  52 )
0.151 * * [simplify]: iteration  5 :  108  enodes  (cost  52 )
0.156 * * [simplify]: iteration  6 :  535  enodes  (cost  52 )
0.171 * * [simplify]: iteration  7 :  1774  enodes  (cost  51 )
0.238 * * [simplify]: iteration  8 :  5001  enodes  (cost  51 )
0.239 * [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))
0.239 * * * [progress]: adding candidates to table
0.282 * [progress]: [Phase 3 of 3] Extracting.
0.284 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.285 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.285 * [simplify]: Simplified to:
   (sin (pow (sqrt (atan2 b b)) (- b a)))
2.570 * [regime-testing]: End program error score: 0.08991678532344251