0.865 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.316 * * * [progress]: [2/2] Setting up program.
0.320 * [progress]: [Phase 2 of 3] Improving.
0.323 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.326 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.328 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.330 * * [simplify]: iteration  2 :  44  enodes  (cost  5 )
0.332 * * [simplify]: iteration  3 :  114  enodes  (cost  5 )
0.334 * * [simplify]: iteration  4 :  315  enodes  (cost  5 )
0.342 * * [simplify]: iteration  5 :  1609  enodes  (cost  5 )
0.379 * * [simplify]: iteration  6 :  5001  enodes  (cost  5 )
0.379 * [simplify]: Simplified to:
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.381 * * [progress]: iteration 1 / 4
0.381 * * * [progress]: picking best candidate
0.383 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
0.383 * * * [progress]: localizing error
0.394 * * * [progress]: generating rewritten candidates
0.394 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.398 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.404 * * * [progress]: generating series expansions
0.405 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.408 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
0.409 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.409 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.425 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.425 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.431 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
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
0.431 * [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
0.435 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
0.435 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.435 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.435 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.435 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.438 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.438 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in (b a) around 0
0.438 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in a
0.438 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in a
0.438 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in a
0.438 * [taylor]: Taking taylor expansion of (- b a) in a
0.438 * [taylor]: Taking taylor expansion of b in a
0.438 * [taylor]: Taking taylor expansion of a in a
0.439 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.439 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.439 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.440 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
0.440 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
0.440 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
0.440 * [taylor]: Taking taylor expansion of (- b a) in b
0.440 * [taylor]: Taking taylor expansion of b in b
0.440 * [taylor]: Taking taylor expansion of a in b
0.440 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
0.440 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.440 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.440 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 b b)) (- b a)) in b
0.440 * [taylor]: Taking taylor expansion of (exp (* (- b a) (log (sqrt (atan2 b b))))) in b
0.440 * [taylor]: Taking taylor expansion of (* (- b a) (log (sqrt (atan2 b b)))) in b
0.440 * [taylor]: Taking taylor expansion of (- b a) in b
0.440 * [taylor]: Taking taylor expansion of b in b
0.440 * [taylor]: Taking taylor expansion of a in b
0.440 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in b
0.440 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
0.440 * [taylor]: Taking taylor expansion of (atan2 b b) in b
0.441 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
0.441 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
0.441 * [taylor]: Taking taylor expansion of -1 in a
0.441 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
0.441 * [taylor]: Taking taylor expansion of a in a
0.441 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.441 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.441 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.445 * [taylor]: Taking taylor expansion of (* (exp (* -1 (* a (log (sqrt (atan2 b b)))))) (log (sqrt (atan2 b b)))) in a
0.445 * [taylor]: Taking taylor expansion of (exp (* -1 (* a (log (sqrt (atan2 b b)))))) in a
0.445 * [taylor]: Taking taylor expansion of (* -1 (* a (log (sqrt (atan2 b b))))) in a
0.445 * [taylor]: Taking taylor expansion of -1 in a
0.445 * [taylor]: Taking taylor expansion of (* a (log (sqrt (atan2 b b)))) in a
0.445 * [taylor]: Taking taylor expansion of a in a
0.445 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.445 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.445 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.447 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 b b))) in a
0.447 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in a
0.447 * [taylor]: Taking taylor expansion of (atan2 b b) in a
0.448 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in (b a) around 0
0.448 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in a
0.448 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in a
0.448 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in a
0.448 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.448 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.448 * [taylor]: Taking taylor expansion of b in a
0.448 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.448 * [taylor]: Taking taylor expansion of a in a
0.449 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
0.449 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
0.449 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
0.450 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
0.450 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
0.450 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
0.450 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.450 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.450 * [taylor]: Taking taylor expansion of b in b
0.450 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.450 * [taylor]: Taking taylor expansion of a in b
0.450 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
0.450 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.450 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.451 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- (/ 1 b) (/ 1 a))) in b
0.451 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b)))))) in b
0.451 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (log (sqrt (atan2 (/ 1 b) (/ 1 b))))) in b
0.451 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
0.451 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.451 * [taylor]: Taking taylor expansion of b in b
0.451 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.451 * [taylor]: Taking taylor expansion of a in b
0.451 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in b
0.451 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
0.451 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
0.452 * [taylor]: Taking taylor expansion of (exp (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a)))) in a
0.452 * [taylor]: Taking taylor expansion of (* (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) (- (/ 1 b) (/ 1 a))) in a
0.452 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ 1 b) (/ 1 b)))) in a
0.452 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in a
0.452 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in a
0.452 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
0.453 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.453 * [taylor]: Taking taylor expansion of b in a
0.453 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.453 * [taylor]: Taking taylor expansion of a in a
0.454 * [taylor]: Taking taylor expansion of 0 in a
0.454 * [taylor]: Taking taylor expansion of 0 in a
0.454 * [taylor]: Taking taylor expansion of 0 in a
0.454 * [approximate]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in (b a) around 0
0.454 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
0.454 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
0.454 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
0.454 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.454 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.454 * [taylor]: Taking taylor expansion of a in a
0.455 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.455 * [taylor]: Taking taylor expansion of b in a
0.455 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
0.455 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
0.455 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
0.455 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
0.455 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
0.455 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
0.455 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.455 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.455 * [taylor]: Taking taylor expansion of a in b
0.455 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.455 * [taylor]: Taking taylor expansion of b in b
0.456 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
0.456 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.456 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.457 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in b
0.457 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in b
0.457 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in b
0.457 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
0.457 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.457 * [taylor]: Taking taylor expansion of a in b
0.457 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.457 * [taylor]: Taking taylor expansion of b in b
0.457 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in b
0.457 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
0.457 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
0.458 * [taylor]: Taking taylor expansion of (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- (/ 1 a) (/ 1 b))) in a
0.458 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b)))))) in a
0.458 * [taylor]: Taking taylor expansion of (* (- (/ 1 a) (/ 1 b)) (log (sqrt (atan2 (/ -1 b) (/ -1 b))))) in a
0.458 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
0.458 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.458 * [taylor]: Taking taylor expansion of a in a
0.459 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.459 * [taylor]: Taking taylor expansion of b in a
0.459 * [taylor]: Taking taylor expansion of (log (sqrt (atan2 (/ -1 b) (/ -1 b)))) in a
0.459 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in a
0.459 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in a
0.460 * [taylor]: Taking taylor expansion of 0 in a
0.460 * [taylor]: Taking taylor expansion of 0 in a
0.460 * [taylor]: Taking taylor expansion of 0 in a
0.460 * * * [progress]: simplifying candidates
0.461 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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)))
  (* (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)) 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))
0.464 * * [simplify]: iteration  0 :  120  enodes  (cost  239 )
0.466 * * [simplify]: iteration  1 :  357  enodes  (cost  224 )
0.472 * * [simplify]: iteration  2 :  1225  enodes  (cost  224 )
0.496 * * [simplify]: iteration  3 :  5001  enodes  (cost  222 )
0.498 * [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)))
  (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)
  (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)
  (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))) (- 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))
  (+ 1 (log (pow (sqrt (atan2 b b)) (- b a))))
  (pow (sqrt (atan2 b b)) (- b a))
  (pow (sqrt (atan2 b b)) (- b a))
0.498 * * * [progress]: adding candidates to table
0.598 * * [progress]: iteration 2 / 4
0.598 * * * [progress]: picking best candidate
0.600 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (atan2 b b) (* 1/2 (- b a)))))>
0.600 * * * [progress]: localizing error
0.609 * * * [progress]: generating rewritten candidates
0.609 * * * [progress]: generating series expansions
0.609 * * * [progress]: simplifying candidates
0.609 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.611 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.611 * [simplify]: Simplified to:
   
0.611 * * * [progress]: adding candidates to table
0.611 * [progress]: [Phase 3 of 3] Extracting.
0.614 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sin (pow (atan2 b b) (* 1/2 (- b a))))
0.614 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.614 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.614 * [simplify]: Simplified to:
   (sin (pow (atan2 b b) (* 1/2 (- b a))))
2.698 * [regime-testing]: End program error score: 0.0660779277438953