* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (sin (pow (sqrt (atan2 b b)) (- b a)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 b b)) (- b a)))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 2
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (a b c) (sin (pow (sqrt (atan2 b b)) (- b a))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 b b)) in b
* [misc]taylor:  Taking taylor expansion of (atan2 b b) in b
* [misc]backup-simplify:  Simplify (atan2 b b) into (atan2 b b)
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 b b)) in b
* [misc]taylor:  Taking taylor expansion of (atan2 b b) in b
* [misc]backup-simplify:  Simplify (atan2 b b) into (atan2 b b)
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 (- b)) (/ 1 (- b))) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 (- b)) (/ 1 (- b))) into (atan2 (/ -1 b) (/ -1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 (- b)) (/ 1 (- b))) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 (- b)) (/ 1 (- b))) into (atan2 (/ -1 b) (/ -1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 13 ] simplifiying candidate #<alt-event (λ (a b c) (sin (pow (sqrt (atan2 b b)) (- b a))))>
* [enter]simplify:  Simplifying (sin (pow (sqrt (atan2 b b)) (- b a)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 b b)) (- b a)))
* * * * [misc]progress:  [ 2 / 13 ] simplifiying candidate #<alt-event (λ (a b c) (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- b a))))>
* [enter]simplify:  Simplifying (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- b a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- b a)))
* * * * [misc]progress:  [ 3 / 13 ] simplifiying candidate #<alt-event (λ (a b c) (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- b a))))>
* [enter]simplify:  Simplifying (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- b a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- b a)))
* * * * [misc]progress:  [ 4 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (pow (atan2 b b) 1/2) (- b a))))>
* * * * [misc]progress:  [ 5 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (pow (sqrt (atan2 b b)) 1) (- b a))))>
* * * * [misc]progress:  [ 6 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (exp (log (sqrt (atan2 b b)))) (- b a))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (log (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 7 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 8 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (cube (cbrt (sqrt (atan2 b b)))) (- b a))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 9 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (cbrt (cube (sqrt (atan2 b b)))) (- b a))))>
* [enter]simplify:  Simplifying (cube (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (* (atan2 b b) (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (* (atan2 b b) (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 10 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (* (sqrt 1) (sqrt (atan2 b b))) (- b a))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 b b))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 b b))
* [exit]simplify:  Simplified to (sqrt (atan2 b b))
* * * * [misc]progress:  [ 11 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (sqr (sqrt (sqrt (atan2 b b)))) (- b a))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 12 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (fabs (sqrt (atan2 b b))) (- b a))))>
* * * * [misc]progress:  [ 13 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (* 1 (sqrt (atan2 b b))) (- b a))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 2
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a b c) (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 1 1 1 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 b b)) in b
* [misc]taylor:  Taking taylor expansion of (atan2 b b) in b
* [misc]backup-simplify:  Simplify (atan2 b b) into (atan2 b b)
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 b b)) in b
* [misc]taylor:  Taking taylor expansion of (atan2 b b) in b
* [misc]backup-simplify:  Simplify (atan2 b b) into (atan2 b b)
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 (- b)) (/ 1 (- b))) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 (- b)) (/ 1 (- b))) into (atan2 (/ -1 b) (/ -1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 (- b)) (/ 1 (- b))) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 (- b)) (/ 1 (- b))) into (atan2 (/ -1 b) (/ -1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1 1 1 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 13 ] simplifiying candidate #<alt-event (λ (a b c) (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a))))>
* [enter]simplify:  Simplifying (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 b b)) (- b a)))
* * * * [misc]progress:  [ 2 / 13 ] simplifiying candidate #<alt-event (λ (a b c) (sin (pow (log (exp (sqrt (atan2 (/ 1 b) (/ 1 b))))) (- b a))))>
* [enter]simplify:  Simplifying (sin (pow (log (exp (sqrt (atan2 (/ 1 b) (/ 1 b))))) (- b a)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- b a)))
* * * * [misc]progress:  [ 3 / 13 ] simplifiying candidate #<alt-event (λ (a b c) (sin (pow (log (exp (sqrt (atan2 (/ -1 b) (/ -1 b))))) (- b a))))>
* [enter]simplify:  Simplifying (sin (pow (log (exp (sqrt (atan2 (/ -1 b) (/ -1 b))))) (- b a)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- b a)))
* * * * [misc]progress:  [ 4 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (pow (atan2 b b) 1/2))) (- b a))))>
* * * * [misc]progress:  [ 5 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (pow (sqrt (atan2 b b)) 1))) (- b a))))>
* * * * [misc]progress:  [ 6 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (exp (log (sqrt (atan2 b b)))))) (- b a))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (log (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 7 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (log (exp (sqrt (atan2 b b)))))) (- b a))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 8 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (cube (cbrt (sqrt (atan2 b b)))))) (- b a))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 9 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (cbrt (cube (sqrt (atan2 b b)))))) (- b a))))>
* [enter]simplify:  Simplifying (cube (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (* (atan2 b b) (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (* (atan2 b b) (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 10 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (* (sqrt 1) (sqrt (atan2 b b))))) (- b a))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 b b))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 b b))
* [exit]simplify:  Simplified to (sqrt (atan2 b b))
* * * * [misc]progress:  [ 11 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (sqr (sqrt (sqrt (atan2 b b)))))) (- b a))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 b b)))
* * * * [misc]progress:  [ 12 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (fabs (sqrt (atan2 b b))))) (- b a))))>
* * * * [misc]progress:  [ 13 / 13 ] simplifiying candidate #<alt-delta (λ (a b c) (sin (pow (log (exp (* 1 (sqrt (atan2 b b))))) (- b a))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  Final touches.
* * * [misc]progress:  tayloring alt 1 of 1
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 b b)) in b
* [misc]taylor:  Taking taylor expansion of (atan2 b b) in b
* [misc]backup-simplify:  Simplify (atan2 b b) into (atan2 b b)
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 b b)) in b
* [misc]taylor:  Taking taylor expansion of (atan2 b b) in b
* [misc]backup-simplify:  Simplify (atan2 b b) into (atan2 b b)
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in (b) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 (- b)) (/ 1 (- b))) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 (- b)) (/ 1 (- b))) into (atan2 (/ -1 b) (/ -1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) in b
* [misc]taylor:  Taking taylor expansion of (atan2 (/ 1 (- b)) (/ 1 (- b))) in b
* [misc]backup-simplify:  Simplify (atan2 (/ 1 (- b)) (/ 1 (- b))) into (atan2 (/ -1 b) (/ -1 b))
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
* * * [misc]progress:  simplifying alt 1 of 3
* [enter]simplify:  Simplifying (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a)))
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 b b)) (- b a)))
* [misc]none:  prog is (λ (a b c) (sin (pow (sqrt (atan2 b b)) (- b a))))
* * * [misc]progress:  simplifying alt 2 of 3
* [enter]simplify:  Simplifying (sin (pow (log (exp (sqrt (atan2 (/ 1 b) (/ 1 b))))) (- b a)))
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- b a)))
* [misc]none:  prog is (λ (a b c) (sin (pow (sqrt (atan2 (/ 1 b) (/ 1 b))) (- b a))))
* * * [misc]progress:  simplifying alt 3 of 3
* [enter]simplify:  Simplifying (sin (pow (log (exp (sqrt (atan2 (/ -1 b) (/ -1 b))))) (- b a)))
* * [misc]simplify:  iters left: 3 (11 enodes)
* [exit]simplify:  Simplified to (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- b a)))
* [misc]none:  prog is (λ (a b c) (sin (pow (sqrt (atan2 (/ -1 b) (/ -1 b))) (- b a))))
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (a b c) (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a))))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 b +inf.0)) , with alts (#<alt-delta (λ (a b c) (sin (pow (log (exp (sqrt (atan2 b b)))) (- b a))))>)
* [enter]simplify:  Simplifying (exp (sqrt (atan2 b b)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 b b)))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 b b)))