17.296 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.074 * * * [progress]: [2/2] Setting up program.
0.077 * [progress]: [Phase 2 of 3] Improving.
0.077 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.079 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.081 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.082 * * [simplify]: iteration  2 :  44  enodes  (cost  5 )
0.084 * * [simplify]: iteration  3 :  114  enodes  (cost  5 )
0.086 * * [simplify]: iteration  4 :  321  enodes  (cost  5 )
0.093 * * [simplify]: iteration  5 :  1627  enodes  (cost  5 )
0.128 * * [simplify]: iteration  6 :  5001  enodes  (cost  5 )
0.129 * [simplify]: Simplified to:
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.129 * * [progress]: iteration 1 / 4
0.129 * * * [progress]: picking best candidate
0.131 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
0.131 * * * [progress]: localizing error
0.140 * * * [progress]: generating rewritten candidates
0.140 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.141 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.148 * * * [progress]: generating series expansions
0.148 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.148 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
0.148 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.148 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.149 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.149 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.152 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
0.152 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.152 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.152 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.152 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.155 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
0.155 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.155 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.155 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.155 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.158 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.159 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in (b a) around 0
0.159 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in a
0.159 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in a
0.159 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in a
0.159 * [taylor]: Taking taylor expansion of (- b a) in a
0.159 * [taylor]: Taking taylor expansion of b in a
0.159 * [taylor]: Taking taylor expansion of a in a
0.159 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.159 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.159 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.159 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
0.159 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
0.159 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
0.159 * [taylor]: Taking taylor expansion of (- b a) in b
0.159 * [taylor]: Taking taylor expansion of b in b
0.159 * [taylor]: Taking taylor expansion of a in b
0.159 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
0.159 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.159 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.160 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
0.160 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
0.160 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
0.160 * [taylor]: Taking taylor expansion of (- b a) in b
0.160 * [taylor]: Taking taylor expansion of b in b
0.160 * [taylor]: Taking taylor expansion of a in b
0.160 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
0.160 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.160 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.160 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
0.160 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
0.160 * [taylor]: Taking taylor expansion of -1 in a
0.160 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
0.160 * [taylor]: Taking taylor expansion of a in a
0.160 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.160 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.160 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.163 * [taylor]: Taking taylor expansion of (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b)))) in a
0.163 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
0.163 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
0.163 * [taylor]: Taking taylor expansion of -1 in a
0.163 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
0.163 * [taylor]: Taking taylor expansion of a in a
0.163 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.163 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.163 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.165 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.165 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.165 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.166 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in (b a) around 0
0.166 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in a
0.166 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in a
0.166 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in a
0.166 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.166 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.166 * [taylor]: Taking taylor expansion of b in a
0.166 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.166 * [taylor]: Taking taylor expansion of a in a
0.166 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
0.166 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
0.166 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
0.167 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
0.167 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
0.167 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
0.167 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.167 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.167 * [taylor]: Taking taylor expansion of b in b
0.168 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.168 * [taylor]: Taking taylor expansion of a in b
0.168 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
0.168 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.168 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.169 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
0.169 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
0.169 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
0.169 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.169 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.169 * [taylor]: Taking taylor expansion of b in b
0.169 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.169 * [taylor]: Taking taylor expansion of a in b
0.169 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
0.169 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.169 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.170 * [taylor]: Taking taylor expansion of (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a)))) in a
0.170 * [taylor]: Taking taylor expansion of (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))) in a
0.170 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
0.170 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
0.170 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
0.170 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.170 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.170 * [taylor]: Taking taylor expansion of b in a
0.170 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.170 * [taylor]: Taking taylor expansion of a in a
0.171 * [taylor]: Taking taylor expansion of 0 in a
0.171 * [taylor]: Taking taylor expansion of 0 in a
0.171 * [taylor]: Taking taylor expansion of 0 in a
0.172 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in (b a) around 0
0.172 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
0.172 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
0.172 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
0.172 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.172 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.172 * [taylor]: Taking taylor expansion of a in a
0.172 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.172 * [taylor]: Taking taylor expansion of b in a
0.172 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
0.172 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
0.172 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
0.173 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
0.173 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
0.173 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
0.173 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.173 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.173 * [taylor]: Taking taylor expansion of a in b
0.173 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.173 * [taylor]: Taking taylor expansion of b in b
0.173 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
0.173 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.173 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.174 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
0.174 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
0.174 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
0.174 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.174 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.174 * [taylor]: Taking taylor expansion of a in b
0.174 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.174 * [taylor]: Taking taylor expansion of b in b
0.175 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
0.175 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.175 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.176 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
0.176 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
0.176 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
0.176 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.176 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.176 * [taylor]: Taking taylor expansion of a in a
0.176 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.176 * [taylor]: Taking taylor expansion of b in a
0.176 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
0.176 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
0.176 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
0.177 * [taylor]: Taking taylor expansion of 0 in a
0.178 * [taylor]: Taking taylor expansion of 0 in a
0.178 * [taylor]: Taking taylor expansion of 0 in a
0.178 * * * [progress]: simplifying candidates
0.179 * [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)))
  (expm1 (pow (sqrt (atan2 b b)) (- b a)))
  (log1p (pow (sqrt (atan2 b b)) (- b a)))
  (* (log (sqrt (atan2 b b))) (- b a))
  (* (log (sqrt (atan2 b b))) (- b a))
  (* 1/2 (- b a))
  (* 1 (- b a))
  (* (/ 1 2) (- b a))
  (pow (sqrt (atan2 b b)) b)
  (pow (sqrt (atan2 b b)) a)
  (pow (sqrt (atan2 b b)) (* (cbrt (- b a)) (cbrt (- b a))))
  (pow (sqrt (atan2 b b)) (sqrt (- b a)))
  (pow (sqrt (atan2 b b)) 1)
  (pow (sqrt (atan2 b b)) (+ (sqrt b) (sqrt a)))
  (pow (sqrt (atan2 b b)) 1)
  (pow (sqrt (atan2 b b)) (fma (* (cbrt b) (cbrt b)) (cbrt b) (- (* (cbrt a) (* (cbrt a) (cbrt a))))))
  (pow (sqrt (atan2 b b)) (fma (- (cbrt a)) (* (cbrt a) (cbrt a)) (* (cbrt a) (* (cbrt a) (cbrt a)))))
  (pow (sqrt (atan2 b b)) (fma (* (cbrt b) (cbrt b)) (cbrt b) (- (* (sqrt a) (sqrt a)))))
  (pow (sqrt (atan2 b b)) (fma (- (sqrt a)) (sqrt a) (* (sqrt a) (sqrt a))))
  (pow (sqrt (atan2 b b)) (fma (* (cbrt b) (cbrt b)) (cbrt b) (- (* a 1))))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (fma (sqrt b) (sqrt b) (- (* (cbrt a) (* (cbrt a) (cbrt a))))))
  (pow (sqrt (atan2 b b)) (fma (- (cbrt a)) (* (cbrt a) (cbrt a)) (* (cbrt a) (* (cbrt a) (cbrt a)))))
  (pow (sqrt (atan2 b b)) (fma (sqrt b) (sqrt b) (- (* (sqrt a) (sqrt a)))))
  (pow (sqrt (atan2 b b)) (fma (- (sqrt a)) (sqrt a) (* (sqrt a) (sqrt a))))
  (pow (sqrt (atan2 b b)) (fma (sqrt b) (sqrt b) (- (* a 1))))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (fma 1 b (- (* (cbrt a) (* (cbrt a) (cbrt a))))))
  (pow (sqrt (atan2 b b)) (fma (- (cbrt a)) (* (cbrt a) (cbrt a)) (* (cbrt a) (* (cbrt a) (cbrt a)))))
  (pow (sqrt (atan2 b b)) (fma 1 b (- (* (sqrt a) (sqrt a)))))
  (pow (sqrt (atan2 b b)) (fma (- (sqrt a)) (sqrt a) (* (sqrt a) (sqrt a))))
  (pow (sqrt (atan2 b b)) (fma 1 b (- (* a 1))))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) b)
  (pow (sqrt (atan2 b b)) (- a))
  (pow (sqrt (atan2 b b)) b)
  (pow (sqrt (atan2 b b)) (- a))
  (pow (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b)))) (- b a))
  (pow (cbrt (sqrt (atan2 b b))) (- b a))
  (pow (sqrt (* (cbrt (atan2 b b)) (cbrt (atan2 b b)))) (- b a))
  (pow (sqrt (cbrt (atan2 b b))) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  (pow (sqrt 1) (- b a))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  (pow 1 (- b a))
  (pow (sqrt (atan2 b b)) (- b a))
  (log (pow (sqrt (atan2 b b)) (- b a)))
  (exp (pow (sqrt (atan2 b b)) (- b a)))
  (* (cbrt (pow (sqrt (atan2 b b)) (- b a))) (cbrt (pow (sqrt (atan2 b b)) (- b a))))
  (cbrt (pow (sqrt (atan2 b b)) (- b a)))
  (* (* (pow (sqrt (atan2 b b)) (- b a)) (pow (sqrt (atan2 b b)) (- b a))) (pow (sqrt (atan2 b b)) (- b a)))
  (/ (- b a) 2)
  (sqrt (pow (sqrt (atan2 b b)) (- b a)))
  (sqrt (pow (sqrt (atan2 b b)) (- b a)))
  (pow (sqrt (atan2 b b)) (/ (- b a) 2))
  (pow (sqrt (atan2 b b)) (/ (- b a) 2))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (- (+ (* b (log (sqrt (atan2 b b)))) 1) (* a (log (sqrt (atan2 b b)))))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (- b a))
0.183 * * [simplify]: iteration  0 :  224  enodes  (cost  417 )
0.186 * * [simplify]: iteration  1 :  632  enodes  (cost  348 )
0.196 * * [simplify]: iteration  2 :  2275  enodes  (cost  345 )
0.237 * * [simplify]: iteration  3 :  5001  enodes  (cost  329 )
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)))
  (pow (sqrt (atan2 b b)) 1/2)
  (pow (sqrt (atan2 b b)) 1/2)
  1
  (sqrt (atan2 b b))
  1/2
  (pow (sqrt (atan2 b b)) 1/2)
  (pow (sqrt (atan2 b b)) 1/2)
  (expm1 (pow (sqrt (atan2 b b)) (- b a)))
  (log1p (pow (sqrt (atan2 b b)) (- b a)))
  (log (pow (sqrt (atan2 b b)) (- b a)))
  (log (pow (sqrt (atan2 b b)) (- b a)))
  (* 1/2 (- b a))
  (- b a)
  (* 1/2 (- b a))
  (pow (sqrt (atan2 b b)) b)
  (pow (sqrt (atan2 b b)) a)
  (pow (sqrt (atan2 b b)) (* (cbrt (- b a)) (cbrt (- b a))))
  (pow (sqrt (atan2 b b)) (sqrt (- b a)))
  (sqrt (atan2 b b))
  (pow (sqrt (atan2 b b)) (+ (sqrt b) (sqrt a)))
  (sqrt (atan2 b b))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (fma (- a) 1 (* a 1)))
  (pow (sqrt (atan2 b b)) b)
  (pow (sqrt (atan2 b b)) (- a))
  (pow (sqrt (atan2 b b)) b)
  (pow (sqrt (atan2 b b)) (- a))
  (pow (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b)))) (- b a))
  (pow (cbrt (sqrt (atan2 b b))) (- b a))
  (pow (fabs (cbrt (atan2 b b))) (* 2 (* 1/2 (- b a))))
  (pow (sqrt (cbrt (atan2 b b))) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  1
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  (pow (sqrt (sqrt (atan2 b b))) (- b a))
  1
  (pow (sqrt (atan2 b b)) (- b a))
  (log (pow (sqrt (atan2 b b)) (- b a)))
  (exp (pow (sqrt (atan2 b b)) (- b a)))
  (* (cbrt (pow (sqrt (atan2 b b)) (- b a))) (cbrt (pow (sqrt (atan2 b b)) (- b a))))
  (cbrt (pow (sqrt (atan2 b b)) (- b a)))
  (pow (pow (sqrt (atan2 b b)) (- b a)) 3)
  (* 1/2 (- b a))
  (sqrt (pow (sqrt (atan2 b b)) (- b a)))
  (sqrt (pow (sqrt (atan2 b b)) (- b a)))
  (pow (sqrt (atan2 b b)) (/ (- b a) 2))
  (pow (sqrt (atan2 b b)) (/ (- b a) 2))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (fma (- b a) (log (sqrt (atan2 b b))) 1)
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (- b a))
0.239 * * * [progress]: adding candidates to table
0.354 * * [progress]: iteration 2 / 4
0.354 * * * [progress]: picking best candidate
0.356 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (atan2 b b) (* 1/2 (- b a)))))>
0.356 * * * [progress]: localizing error
0.365 * * * [progress]: generating rewritten candidates
0.365 * * * [progress]: generating series expansions
0.365 * * * [progress]: simplifying candidates
0.365 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.367 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.367 * [simplify]: Simplified to:
   
0.367 * * * [progress]: adding candidates to table
0.367 * [progress]: [Phase 3 of 3] Extracting.
0.370 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (atan2 b b) (* 1/2 (- b a))))
0.370 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.370 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.370 * [simplify]: Simplified to:
   (sin (pow (atan2 b b) (* 1/2 (- b a))))
2.499 * [regime-testing]: End program error score: 0.0660779277438953