* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan a)) b) (* c a))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan a)) b) (* a c))
* [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 d) (- (hypot (sqrt (atan a)) b) (* c 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 (atan a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 15 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqrt (atan a)) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan a)) b) (* c a))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan a)) b) (* a c))
* * * * [misc]progress:  [ 2 / 15 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqrt (atan (/ 1 a))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan (/ 1 a))) b) (* c a))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan (/ 1 a))) b) (* a c))
* * * * [misc]progress:  [ 3 / 15 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqrt (atan (/ -1 a))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan (/ -1 a))) b) (* c a))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan (/ -1 a))) b) (* a c))
* * * * [misc]progress:  [ 4 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (log1p (expm1 (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan a)))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan a)))
* * * * [misc]progress:  [ 5 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (expm1 (log1p (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan a)))
* [exit]simplify:  Simplified to (log1p (sqrt (atan a)))
* * * * [misc]progress:  [ 6 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (pow (atan a) 1/2) b) (* c a)))>
* * * * [misc]progress:  [ 7 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (pow (sqrt (atan a)) 1) b) (* c a)))>
* * * * [misc]progress:  [ 8 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (exp (log (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (log (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan a)))
* [exit]simplify:  Simplified to (log (sqrt (atan a)))
* * * * [misc]progress:  [ 9 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (log (exp (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (exp (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan a)))
* [exit]simplify:  Simplified to (exp (sqrt (atan a)))
* * * * [misc]progress:  [ 10 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (cube (cbrt (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (cbrt (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan a)))
* * * * [misc]progress:  [ 11 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (cbrt (cube (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (cube (sqrt (atan a)))
* * [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 (* (atan a) (sqrt (atan a)))
* [exit]simplify:  Simplified to (* (atan a) (sqrt (atan a)))
* * * * [misc]progress:  [ 12 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* (sqrt 1) (sqrt (atan a))) b) (* c 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 (atan a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (atan a))
* [exit]simplify:  Simplified to (sqrt (atan a))
* * * * [misc]progress:  [ 13 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* * * * [misc]progress:  [ 14 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (fabs (sqrt (atan a))) b) (* c a)))>
* * * * [misc]progress:  [ 15 / 15 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* 1 (sqrt (atan a))) b) (* c 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 d) (- (hypot (sqr (sqrt (sqrt (atan a)))) b) (* c a)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 1 1 1 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (sqr (sqrt (sqrt (atan a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (sqrt (sqrt (atan a)))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan a))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan a))) into (pow (atan a) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan a))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqr (sqrt (sqrt (atan a)))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan a))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan a))) into (pow (atan a) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan a))))) into 0
* [misc]backup-simplify:  Simplify (* (pow (atan a) 1/4) (pow (atan a) 1/4)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (+ (* (pow (atan a) 1/4) 0) (* 0 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan a) 1/4) 0) (+ (* 0 0) (* 0 (pow (atan a) 1/4)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan a) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan a) 1/4))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan a) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan a) 1/4)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan a) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan a) 1/4))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan a) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan a) 1/4)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]approximate:  Taking taylor expansion of (sqr (sqrt (sqrt (atan (/ 1 a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (sqrt (sqrt (atan (/ 1 a))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ 1 a)))) into (pow (atan (/ 1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ 1 a)))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqr (sqrt (sqrt (atan (/ 1 a))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ 1 a)))) into (pow (atan (/ 1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ 1 a)))))) into 0
* [misc]backup-simplify:  Simplify (* (pow (atan (/ 1 a)) 1/4) (pow (atan (/ 1 a)) 1/4)) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ 1 a)) 1/4) 0) (* 0 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ 1 a)) 1/4) 0) (+ (* 0 0) (* 0 (pow (atan (/ 1 a)) 1/4)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ 1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ 1 a)) 1/4))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ 1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ 1 a)) 1/4)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ 1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ 1 a)) 1/4))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ 1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ 1 a)) 1/4)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]approximate:  Taking taylor expansion of (sqr (sqrt (sqrt (atan (/ 1 (- a)))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (sqrt (sqrt (atan (/ 1 (- a)))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ -1 a)))) into (pow (atan (/ -1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ -1 a)))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqr (sqrt (sqrt (atan (/ 1 (- a)))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ -1 a)))) into (pow (atan (/ -1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify (* (pow (atan (/ -1 a)) 1/4) (pow (atan (/ -1 a)) 1/4)) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ -1 a)) 1/4) 0) (* 0 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ -1 a)) 1/4) 0) (+ (* 0 0) (* 0 (pow (atan (/ -1 a)) 1/4)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ -1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ -1 a)) 1/4))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ -1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ -1 a)) 1/4)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ -1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ -1 a)) 1/4))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify (+ (* (pow (atan (/ -1 a)) 1/4) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow (atan (/ -1 a)) 1/4)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (sqrt (atan a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan a))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan a))) into (pow (atan a) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan a))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan a))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan a)) in a
* [misc]taylor:  Taking taylor expansion of (atan a) in a
* [misc]backup-simplify:  Simplify (atan a) into (atan a)
* [misc]backup-simplify:  Simplify (sqrt (atan a)) into (sqrt (atan a))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan a))) into (pow (atan a) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan a))))) into 0
* [misc]backup-simplify:  Simplify (pow (atan a) 1/4) into (pow (atan a) 1/4)
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan a)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan a) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (pow (atan a) 1/4) into (pow (atan a) 1/4)
* [misc]approximate:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ 1 a)))) into (pow (atan (/ 1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ 1 a)))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 a)) into (atan (/ 1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ 1 a))) into (sqrt (atan (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ 1 a)))) into (pow (atan (/ 1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ 1 a)))))) into 0
* [misc]backup-simplify:  Simplify (pow (atan (/ 1 a)) 1/4) into (pow (atan (/ 1 a)) 1/4)
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ 1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ 1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (pow (atan (/ 1 a)) 1/4) into (pow (atan (/ 1 a)) 1/4)
* [misc]approximate:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ -1 a)))) into (pow (atan (/ -1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ -1 a)))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqrt (atan (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (sqrt (atan (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (atan (/ 1 (- a))) into (atan (/ -1 a))
* [misc]backup-simplify:  Simplify (sqrt (atan (/ -1 a))) into (sqrt (atan (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (sqrt (atan (/ -1 a)))) into (pow (atan (/ -1 a)) 1/4)
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqrt (atan (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify (pow (atan (/ -1 a)) 1/4) into (pow (atan (/ -1 a)) 1/4)
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan (/ -1 a))))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (pow (atan (/ -1 a)) 1/4))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (pow (atan (/ -1 a)) 1/4) into (pow (atan (/ -1 a)) 1/4)
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 1 1 1 1)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 1 1 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqr (sqrt (sqrt (atan a)))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqr (sqrt (sqrt (atan a)))) b) (* c a))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan a)) b) (* c a))
* * * * [misc]progress:  [ 2 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqr (sqrt (sqrt (atan (/ 1 a))))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqr (sqrt (sqrt (atan (/ 1 a))))) b) (* c a))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan (/ 1 a))) b) (* a c))
* * * * [misc]progress:  [ 3 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqr (sqrt (sqrt (atan (/ -1 a))))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqr (sqrt (sqrt (atan (/ -1 a))))) b) (* c a))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan (/ -1 a))) b) (* a c))
* * * * [misc]progress:  [ 4 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqrt (atan a)) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan a)) b) (* c a))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan a)) b) (* a c))
* * * * [misc]progress:  [ 5 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqrt (atan (/ 1 a))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan (/ 1 a))) b) (* c a))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan (/ 1 a))) b) (* a c))
* * * * [misc]progress:  [ 6 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqrt (atan (/ -1 a))) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan (/ -1 a))) b) (* c a))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan (/ -1 a))) b) (* a c))
* * * * [misc]progress:  [ 7 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqr (pow (atan a) 1/4)) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqr (pow (atan a) 1/4)) b) (* c a))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (- (hypot (* (pow (atan a) 1/4) (pow (atan a) 1/4)) b) (* c a))
* * * * [misc]progress:  [ 8 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqr (pow (atan (/ 1 a)) 1/4)) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqr (pow (atan (/ 1 a)) 1/4)) b) (* c a))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (- (hypot (* (pow (atan (/ 1 a)) 1/4) (pow (atan (/ 1 a)) 1/4)) b) (* a c))
* * * * [misc]progress:  [ 9 / 48 ] simplifiying candidate #<alt-event (λ (a b c d) (- (hypot (sqr (pow (atan (/ -1 a)) 1/4)) b) (* c a)))>
* [enter]simplify:  Simplifying (- (hypot (sqr (pow (atan (/ -1 a)) 1/4)) b) (* c a))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (- (hypot (* (pow (atan (/ -1 a)) 1/4) (pow (atan (/ -1 a)) 1/4)) b) (* a c))
* * * * [misc]progress:  [ 10 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (log1p (expm1 (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan a)))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan a)))
* * * * [misc]progress:  [ 11 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (expm1 (log1p (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan a)))
* [exit]simplify:  Simplified to (log1p (sqrt (atan a)))
* * * * [misc]progress:  [ 12 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (pow (atan a) 1/2))) b) (* c a)))>
* * * * [misc]progress:  [ 13 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (pow (sqrt (atan a)) 1))) b) (* c a)))>
* * * * [misc]progress:  [ 14 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (exp (log (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (log (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan a)))
* [exit]simplify:  Simplified to (log (sqrt (atan a)))
* * * * [misc]progress:  [ 15 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (log (exp (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (exp (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan a)))
* [exit]simplify:  Simplified to (exp (sqrt (atan a)))
* * * * [misc]progress:  [ 16 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (cube (cbrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (cbrt (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan a)))
* * * * [misc]progress:  [ 17 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (cbrt (cube (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (cube (sqrt (atan a)))
* * [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 (* (atan a) (sqrt (atan a)))
* [exit]simplify:  Simplified to (* (atan a) (sqrt (atan a)))
* * * * [misc]progress:  [ 18 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (* (sqrt 1) (sqrt (atan a))))) b) (* c 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 (atan a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (atan a))
* [exit]simplify:  Simplified to (sqrt (atan a))
* * * * [misc]progress:  [ 19 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* * * * [misc]progress:  [ 20 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (fabs (sqrt (atan a))))) b) (* c a)))>
* * * * [misc]progress:  [ 21 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (* 1 (sqrt (atan a))))) b) (* c a)))>
* * * * [misc]progress:  [ 22 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (log1p (expm1 (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (expm1 (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan a)))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan a)))
* * * * [misc]progress:  [ 23 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (expm1 (log1p (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (log1p (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan a)))
* [exit]simplify:  Simplified to (log1p (sqrt (atan a)))
* * * * [misc]progress:  [ 24 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (pow (sqrt (sqrt (atan a))) 2) b) (* c a)))>
* * * * [misc]progress:  [ 25 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (pow (sqr (sqrt (sqrt (atan a)))) 1) b) (* c a)))>
* * * * [misc]progress:  [ 26 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (exp (log (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (log (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan a)))
* [exit]simplify:  Simplified to (log (sqrt (atan a)))
* * * * [misc]progress:  [ 27 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (log (exp (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (exp (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan a)))
* [exit]simplify:  Simplified to (exp (sqrt (atan a)))
* * * * [misc]progress:  [ 28 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (cube (cbrt (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (cbrt (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan a)))
* * * * [misc]progress:  [ 29 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (cbrt (cube (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (cube (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (* (sqrt (atan a)) (atan a))
* [exit]simplify:  Simplified to (* (sqrt (atan a)) (atan a))
* * * * [misc]progress:  [ 30 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (sqr (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqrt (sqr (sqrt (sqrt (atan a)))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* * * * [misc]progress:  [ 31 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* (sqr (sqrt (sqrt 1))) (sqr (sqrt (sqrt (atan a))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqr (sqrt (sqrt 1)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqr (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (atan a))
* [exit]simplify:  Simplified to (sqrt (atan a))
* * * * [misc]progress:  [ 32 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* (sqr (sqrt 1)) (sqr (sqrt (sqrt (atan a))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqr (sqrt 1))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (6 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (sqr (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (atan a))
* [exit]simplify:  Simplified to (sqrt (atan a))
* * * * [misc]progress:  [ 33 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* (sqr 1) (sqr (sqrt (sqrt (atan a))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqr 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqr 1)
* [exit]simplify:  Simplified to (sqr 1)
* [enter]simplify:  Simplifying (sqr (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (atan a))
* [exit]simplify:  Simplified to (sqrt (atan a))
* * * * [misc]progress:  [ 34 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* (sqrt (sqrt (atan a))) (sqrt (sqrt (atan a)))) b) (* c a)))>
* * * * [misc]progress:  [ 35 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (* 1 (sqr (sqrt (sqrt (atan a))))) b) (* c a)))>
* * * * [misc]progress:  [ 36 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (log1p (expm1 (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (expm1 (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (sqrt (atan a))))
* [exit]simplify:  Simplified to (expm1 (sqrt (sqrt (atan a))))
* * * * [misc]progress:  [ 37 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (expm1 (log1p (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (log1p (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (sqrt (atan a))))
* [exit]simplify:  Simplified to (log1p (sqrt (sqrt (atan a))))
* * * * [misc]progress:  [ 38 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (pow (sqrt (atan a)) 1/2)) b) (* c a)))>
* * * * [misc]progress:  [ 39 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (pow (sqrt (sqrt (atan a))) 1)) b) (* c a)))>
* * * * [misc]progress:  [ 40 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (exp (log (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (log (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (log (sqrt (sqrt (atan a))))
* [exit]simplify:  Simplified to (log (sqrt (sqrt (atan a))))
* * * * [misc]progress:  [ 41 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (log (exp (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (exp (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (sqrt (atan a))))
* [exit]simplify:  Simplified to (exp (sqrt (sqrt (atan a))))
* * * * [misc]progress:  [ 42 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (cube (cbrt (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (cbrt (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (sqrt (atan a))))
* [exit]simplify:  Simplified to (cbrt (sqrt (sqrt (atan a))))
* * * * [misc]progress:  [ 43 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (cbrt (cube (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (cube (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (* (sqrt (sqrt (atan a))) (sqrt (atan a)))
* [exit]simplify:  Simplified to (* (sqrt (sqrt (atan a))) (sqrt (atan a)))
* * * * [misc]progress:  [ 44 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (* (sqrt (sqrt 1)) (sqrt (sqrt (atan a))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqrt (sqrt 1))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt 1))
* [exit]simplify:  Simplified to (sqrt (sqrt 1))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* * * * [misc]progress:  [ 45 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (* (sqrt 1) (sqrt (sqrt (atan a))))) b) (* c 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 (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* * * * [misc]progress:  [ 46 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (sqr (sqrt (sqrt (sqrt (atan a)))))) b) (* c a)))>
* [enter]simplify:  Simplifying (sqrt (sqrt (sqrt (atan a))))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (sqrt (atan a))))
* [exit]simplify:  Simplified to (sqrt (sqrt (sqrt (atan a))))
* * * * [misc]progress:  [ 47 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (fabs (sqrt (sqrt (atan a))))) b) (* c a)))>
* * * * [misc]progress:  [ 48 / 48 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (hypot (sqr (* 1 (sqrt (sqrt (atan a))))) b) (* c a)))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-event (λ (a b c d) (- (hypot (sqrt (atan a)) b) (* c a)))> #<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (sqrt (atan a)))) b) (* c a)))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 a +inf.0)) , with alts (#<alt-delta (λ (a b c d) (- (hypot (sqr (sqrt (sqrt (atan a)))) b) (* c a)))>)
* [enter]simplify:  Simplifying (- (hypot (sqrt (atan a)) b) (* c a))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (hypot (sqrt (atan a)) b) (* a c))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan a)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan a)))