0.897 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.333 * * * [progress]: [2/2] Setting up program.
0.337 * [progress]: [Phase 2 of 3] Improving.
0.339 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.342 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.344 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.345 * * [simplify]: iteration  2 :  44  enodes  (cost  5 )
0.347 * * [simplify]: iteration  3 :  114  enodes  (cost  5 )
0.349 * * [simplify]: iteration  4 :  321  enodes  (cost  5 )
0.357 * * [simplify]: iteration  5 :  1627  enodes  (cost  5 )
0.394 * * [simplify]: iteration  6 :  5001  enodes  (cost  5 )
0.395 * [simplify]: Simplified to:
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.397 * * [progress]: iteration 1 / 4
0.397 * * * [progress]: picking best candidate
0.400 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
0.400 * * * [progress]: localizing error
0.411 * * * [progress]: generating rewritten candidates
0.411 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.415 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.423 * * * [progress]: generating series expansions
0.424 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.427 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
0.428 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.428 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.429 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.429 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.433 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
0.434 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.434 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.434 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.434 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.447 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
0.447 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.447 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.448 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.448 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.451 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.451 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in (b a) around 0
0.451 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in a
0.451 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in a
0.451 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in a
0.451 * [taylor]: Taking taylor expansion of (- b a) in a
0.451 * [taylor]: Taking taylor expansion of b in a
0.451 * [taylor]: Taking taylor expansion of a in a
0.452 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.452 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.452 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.453 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
0.453 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
0.453 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
0.453 * [taylor]: Taking taylor expansion of (- b a) in b
0.453 * [taylor]: Taking taylor expansion of b in b
0.453 * [taylor]: Taking taylor expansion of a in b
0.453 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
0.453 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.453 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.453 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
0.453 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
0.453 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
0.453 * [taylor]: Taking taylor expansion of (- b a) in b
0.453 * [taylor]: Taking taylor expansion of b in b
0.453 * [taylor]: Taking taylor expansion of a in b
0.453 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
0.453 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.453 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.454 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
0.454 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
0.454 * [taylor]: Taking taylor expansion of -1 in a
0.454 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
0.454 * [taylor]: Taking taylor expansion of a in a
0.454 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.454 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.454 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.458 * [taylor]: Taking taylor expansion of (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b)))) in a
0.459 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
0.459 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
0.459 * [taylor]: Taking taylor expansion of -1 in a
0.459 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
0.459 * [taylor]: Taking taylor expansion of a in a
0.459 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.459 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.459 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.460 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.460 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.460 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.462 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in (b a) around 0
0.462 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in a
0.462 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in a
0.462 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in a
0.462 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.462 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.462 * [taylor]: Taking taylor expansion of b in a
0.462 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.462 * [taylor]: Taking taylor expansion of a in a
0.463 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
0.463 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
0.463 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
0.464 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
0.464 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
0.464 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
0.464 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.464 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.464 * [taylor]: Taking taylor expansion of b in b
0.464 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.464 * [taylor]: Taking taylor expansion of a in b
0.464 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
0.464 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.464 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.465 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
0.465 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
0.465 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
0.465 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.465 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.465 * [taylor]: Taking taylor expansion of b in b
0.466 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.466 * [taylor]: Taking taylor expansion of a in b
0.466 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
0.466 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.466 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.467 * [taylor]: Taking taylor expansion of (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a)))) in a
0.467 * [taylor]: Taking taylor expansion of (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))) in a
0.467 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
0.467 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
0.467 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
0.467 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.467 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.467 * [taylor]: Taking taylor expansion of b in a
0.467 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.467 * [taylor]: Taking taylor expansion of a in a
0.468 * [taylor]: Taking taylor expansion of 0 in a
0.468 * [taylor]: Taking taylor expansion of 0 in a
0.468 * [taylor]: Taking taylor expansion of 0 in a
0.469 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in (b a) around 0
0.469 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
0.469 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
0.469 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
0.469 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.469 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.469 * [taylor]: Taking taylor expansion of a in a
0.469 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.469 * [taylor]: Taking taylor expansion of b in a
0.469 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
0.469 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
0.469 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
0.470 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
0.470 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
0.470 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
0.470 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.470 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.470 * [taylor]: Taking taylor expansion of a in b
0.470 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.470 * [taylor]: Taking taylor expansion of b in b
0.471 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
0.471 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.471 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.472 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
0.472 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
0.472 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
0.472 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.472 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.472 * [taylor]: Taking taylor expansion of a in b
0.472 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.472 * [taylor]: Taking taylor expansion of b in b
0.472 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
0.472 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.472 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.473 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
0.473 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
0.473 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
0.473 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.473 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.473 * [taylor]: Taking taylor expansion of a in a
0.474 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.474 * [taylor]: Taking taylor expansion of b in a
0.474 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
0.474 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
0.474 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
0.475 * [taylor]: Taking taylor expansion of 0 in a
0.475 * [taylor]: Taking taylor expansion of 0 in a
0.475 * [taylor]: Taking taylor expansion of 0 in a
0.475 * * * [progress]: simplifying candidates
0.476 * [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))
0.480 * * [simplify]: iteration  0 :  224  enodes  (cost  417 )
0.484 * * [simplify]: iteration  1 :  632  enodes  (cost  348 )
0.494 * * [simplify]: iteration  2 :  2275  enodes  (cost  345 )
0.536 * * [simplify]: iteration  3 :  5001  enodes  (cost  329 )
0.539 * [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))
0.539 * * * [progress]: adding candidates to table
0.657 * * [progress]: iteration 2 / 4
0.658 * * * [progress]: picking best candidate
0.660 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (atan2 b b) (* 1/2 (- b a)))))>
0.660 * * * [progress]: localizing error
0.669 * * * [progress]: generating rewritten candidates
0.669 * * * [progress]: generating series expansions
0.669 * * * [progress]: simplifying candidates
0.669 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.671 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.671 * [simplify]: Simplified to:
   
0.671 * * * [progress]: adding candidates to table
0.672 * [progress]: [Phase 3 of 3] Extracting.
0.675 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (atan2 b b) (* 1/2 (- b a))))
0.675 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.675 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.675 * [simplify]: Simplified to:
   (sin (pow (atan2 b b) (* 1/2 (- b a))))
2.847 * [regime-testing]: End program error score: 0.0660779277438953