* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (- (atan (+ N 1)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (N) (- (atan (+ N 1)) (atan N)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (- (atan (+ N 1)) (atan N)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (- (atan (+ N 1)) (atan N)) in N
* [misc]taylor:  Taking taylor expansion of (atan (+ N 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ N 1)) into (atan (+ 1 N))
* [misc]taylor:  Taking taylor expansion of (atan N) in N
* [misc]backup-simplify:  Simplify (atan N) into (atan N)
* [misc]taylor:  Taking taylor expansion of (- (atan (+ N 1)) (atan N)) in N
* [misc]taylor:  Taking taylor expansion of (atan (+ N 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ N 1)) into (atan (+ 1 N))
* [misc]taylor:  Taking taylor expansion of (atan N) in N
* [misc]backup-simplify:  Simplify (atan N) into (atan N)
* [misc]backup-simplify:  Simplify (- (atan N)) into (- (atan N))
* [misc]backup-simplify:  Simplify (+ (atan (+ 1 N)) (- (atan N))) into (- (atan (+ 1 N)) (atan N))
* [misc]backup-simplify:  Simplify (- (atan (+ 1 N)) (atan N)) into (- (atan (+ 1 N)) (atan N))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (atan (+ 1 N)) (atan N)) into (- (atan (+ 1 N)) (atan N))
* [misc]approximate:  Taking taylor expansion of (- (atan (+ (/ 1 N) 1)) (atan (/ 1 N))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (- (atan (+ (/ 1 N) 1)) (atan (/ 1 N))) in N
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 N) 1)) into (atan (+ 1 (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 N)) in N
* [misc]backup-simplify:  Simplify (atan (/ 1 N)) into (atan (/ 1 N))
* [misc]taylor:  Taking taylor expansion of (- (atan (+ (/ 1 N) 1)) (atan (/ 1 N))) in N
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 N) 1)) into (atan (+ 1 (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 N)) in N
* [misc]backup-simplify:  Simplify (atan (/ 1 N)) into (atan (/ 1 N))
* [misc]backup-simplify:  Simplify (- (atan (/ 1 N))) into (- (atan (/ 1 N)))
* [misc]backup-simplify:  Simplify (+ (atan (+ 1 (/ 1 N))) (- (atan (/ 1 N)))) into (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N)))
* [misc]backup-simplify:  Simplify (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N))) into (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N))) into (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N)))
* [misc]approximate:  Taking taylor expansion of (- (atan (+ (/ 1 (- N)) 1)) (atan (/ 1 (- N)))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (- (atan (+ (/ 1 (- N)) 1)) (atan (/ 1 (- N)))) in N
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 (- N)) 1)) into (atan (- 1 (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- N))) in N
* [misc]backup-simplify:  Simplify (atan (/ 1 (- N))) into (atan (/ -1 N))
* [misc]taylor:  Taking taylor expansion of (- (atan (+ (/ 1 (- N)) 1)) (atan (/ 1 (- N)))) in N
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 (- N)) 1)) into (atan (- 1 (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan (/ 1 (- N))) in N
* [misc]backup-simplify:  Simplify (atan (/ 1 (- N))) into (atan (/ -1 N))
* [misc]backup-simplify:  Simplify (- (atan (/ -1 N))) into (- (atan (/ -1 N)))
* [misc]backup-simplify:  Simplify (+ (atan (- 1 (/ 1 N))) (- (atan (/ -1 N)))) into (- (atan (- 1 (/ 1 N))) (atan (/ -1 N)))
* [misc]backup-simplify:  Simplify (- (atan (- 1 (/ 1 N))) (atan (/ -1 N))) into (- (atan (- 1 (/ 1 N))) (atan (/ -1 N)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (atan (- 1 (/ 1 N))) (atan (/ -1 N))) into (- (atan (- 1 (/ 1 N))) (atan (/ -1 N)))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (atan (+ N 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan (+ N 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ N 1)) into (atan (+ 1 N))
* [misc]taylor:  Taking taylor expansion of (atan (+ N 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ N 1)) into (atan (+ 1 N))
* [misc]backup-simplify:  Simplify (atan (+ 1 N)) into (atan (+ 1 N))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan (+ 1 N)) into (atan (+ 1 N))
* [misc]approximate:  Taking taylor expansion of (atan (+ (/ 1 N) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 N) 1)) into (atan (+ 1 (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 N) 1)) into (atan (+ 1 (/ 1 N)))
* [misc]backup-simplify:  Simplify (atan (+ 1 (/ 1 N))) into (atan (+ 1 (/ 1 N)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan (+ 1 (/ 1 N))) into (atan (+ 1 (/ 1 N)))
* [misc]approximate:  Taking taylor expansion of (atan (+ (/ 1 (- N)) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 (- N)) 1)) into (atan (- 1 (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan (+ (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan (+ (/ 1 (- N)) 1)) into (atan (- 1 (/ 1 N)))
* [misc]backup-simplify:  Simplify (atan (- 1 (/ 1 N))) into (atan (- 1 (/ 1 N)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan (- 1 (/ 1 N))) into (atan (- 1 (/ 1 N)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 27 ] simplifiying candidate #<alt-event (λ (N) (- (atan (+ 1 N)) (atan N)))>
* [enter]simplify:  Simplifying (- (atan (+ 1 N)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* * * * [misc]progress:  [ 2 / 27 ] simplifiying candidate #<alt-event (λ (N) (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N))))>
* [enter]simplify:  Simplifying (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 (/ 1 N))) (atan (/ 1 N)))
* * * * [misc]progress:  [ 3 / 27 ] simplifiying candidate #<alt-event (λ (N) (- (atan (- 1 (/ 1 N))) (atan (/ -1 N))))>
* [enter]simplify:  Simplifying (- (atan (- 1 (/ 1 N))) (atan (/ -1 N)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (- (atan (- 1 (/ 1 N))) (atan (/ -1 N)))
* * * * [misc]progress:  [ 4 / 27 ] simplifiying candidate #<alt-event (λ (N) (- (atan (+ 1 N)) (atan N)))>
* [enter]simplify:  Simplifying (- (atan (+ 1 N)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* * * * [misc]progress:  [ 5 / 27 ] simplifiying candidate #<alt-event (λ (N) (- (atan (+ 1 (/ 1 N))) (atan N)))>
* [enter]simplify:  Simplifying (- (atan (+ 1 (/ 1 N))) (atan N))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 (/ 1 N))) (atan N))
* * * * [misc]progress:  [ 6 / 27 ] simplifiying candidate #<alt-event (λ (N) (- (atan (- 1 (/ 1 N))) (atan N)))>
* [enter]simplify:  Simplifying (- (atan (- 1 (/ 1 N))) (atan N))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (- (atan (- 1 (/ 1 N))) (atan N))
* * * * [misc]progress:  [ 7 / 27 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (- (+ N 1) N) (+ 1 (* (+ N 1) N))))>
* [enter]simplify:  Simplifying (- (+ N 1) N)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (+ 1 0)
* [exit]simplify:  Simplified to (+ 1 0)
* [enter]simplify:  Simplifying (+ 1 (* (+ N 1) N))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* [exit]simplify:  Simplified to (+ 1 (+ N (sqr N)))
* [exit]simplify:  Simplified to (+ 1 (+ N (sqr N)))
* * * * [misc]progress:  [ 8 / 27 ] simplifiying candidate #<alt-delta (λ (N) (log (/ (exp (atan (+ N 1))) (exp (atan N)))))>
* [enter]simplify:  Simplifying (/ (exp (atan (+ N 1))) (exp (atan N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 9 / 27 ] simplifiying candidate #<alt-delta (λ (N) (pow (- (atan (+ N 1)) (atan N)) 1))>
* * * * [misc]progress:  [ 10 / 27 ] simplifiying candidate #<alt-delta (λ (N) (exp (log (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (log (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (log (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (log (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 11 / 27 ] simplifiying candidate #<alt-delta (λ (N) (log (exp (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (exp (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 12 / 27 ] simplifiying candidate #<alt-delta (λ (N) (cube (cbrt (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (cbrt (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (cbrt (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 13 / 27 ] simplifiying candidate #<alt-delta (λ (N) (cbrt (cube (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (cube (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (cube (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (cube (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 14 / 27 ] simplifiying candidate #<alt-delta (λ (N) (sqr (sqrt (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (sqrt (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (sqrt (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 15 / 27 ] simplifiying candidate #<alt-delta (λ (N) (/ (- (pow (atan (+ N 1)) 3) (pow (atan N) 3)) (+ (sqr (atan (+ N 1))) (+ (sqr (atan N)) (* (atan (+ N 1)) (atan N))))))>
* [enter]simplify:  Simplifying (- (pow (atan (+ N 1)) 3) (pow (atan N) 3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* [exit]simplify:  Simplified to (- (cube (atan (+ 1 N))) (cube (atan N)))
* [exit]simplify:  Simplified to (- (cube (atan (+ 1 N))) (cube (atan N)))
* [enter]simplify:  Simplifying (+ (sqr (atan (+ N 1))) (+ (sqr (atan N)) (* (atan (+ N 1)) (atan N))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (32 enodes)
* * [misc]simplify:  iters left: 1 (34 enodes)
* [exit]simplify:  Simplified to (+ (sqr (atan (+ 1 N))) (* (+ (atan N) (atan (+ 1 N))) (atan N)))
* [exit]simplify:  Simplified to (+ (sqr (atan (+ 1 N))) (* (+ (atan N) (atan (+ 1 N))) (atan N)))
* * * * [misc]progress:  [ 16 / 27 ] simplifiying candidate #<alt-delta (λ (N) (+ (atan (+ N 1)) (- (atan N))))>
* [enter]simplify:  Simplifying (- (atan N))
* * [misc]simplify:  iters left: 3 (3 enodes)
* [exit]simplify:  Simplified to (- (atan N))
* [exit]simplify:  Simplified to (- (atan N))
* * * * [misc]progress:  [ 17 / 27 ] simplifiying candidate #<alt-delta (λ (N) (* 1 (- (atan (+ N 1)) (atan N))))>
* * * * [misc]progress:  [ 18 / 27 ] simplifiying candidate #<alt-delta (λ (N) (/ (- (sqr (atan (+ N 1))) (sqr (atan N))) (+ (atan (+ N 1)) (atan N))))>
* [enter]simplify:  Simplifying (- (sqr (atan (+ N 1))) (sqr (atan N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* [exit]simplify:  Simplified to (* (- (atan (+ 1 N)) (atan N)) (+ (atan N) (atan (+ 1 N))))
* [exit]simplify:  Simplified to (* (- (atan (+ 1 N)) (atan N)) (+ (atan N) (atan (+ 1 N))))
* [enter]simplify:  Simplifying (+ (atan (+ N 1)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (+ (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (+ (atan (+ 1 N)) (atan N))
* * * * [misc]progress:  [ 19 / 27 ] simplifiying candidate #<alt-delta (λ (N) (* (+ (sqrt (atan (+ N 1))) (sqrt (atan N))) (- (sqrt (atan (+ N 1))) (sqrt (atan N)))))>
* [enter]simplify:  Simplifying (+ (sqrt (atan (+ N 1))) (sqrt (atan N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (atan (+ 1 N))) (sqrt (atan N)))
* [exit]simplify:  Simplified to (+ (sqrt (atan (+ 1 N))) (sqrt (atan N)))
* [enter]simplify:  Simplifying (- (sqrt (atan (+ N 1))) (sqrt (atan N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (- (sqrt (atan (+ 1 N))) (sqrt (atan N)))
* [exit]simplify:  Simplified to (- (sqrt (atan (+ 1 N))) (sqrt (atan N)))
* * * * [misc]progress:  [ 20 / 27 ] simplifiying candidate #<alt-delta (λ (N) (* 1 (- (atan (+ N 1)) (atan N))))>
* [enter]simplify:  Simplifying (- (atan (+ N 1)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* * * * [misc]progress:  [ 21 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (pow (atan (+ N 1)) 1) (atan N)))>
* * * * [misc]progress:  [ 22 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (exp (log (atan (+ N 1)))) (atan N)))>
* [enter]simplify:  Simplifying (log (atan (+ N 1)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (log (atan (+ 1 N)))
* [exit]simplify:  Simplified to (log (atan (+ 1 N)))
* * * * [misc]progress:  [ 23 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (log (exp (atan (+ N 1)))) (atan N)))>
* [enter]simplify:  Simplifying (exp (atan (+ N 1)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (exp (atan (+ 1 N)))
* [exit]simplify:  Simplified to (exp (atan (+ 1 N)))
* * * * [misc]progress:  [ 24 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (cube (cbrt (atan (+ N 1)))) (atan N)))>
* [enter]simplify:  Simplifying (cbrt (atan (+ N 1)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (atan (+ 1 N)))
* [exit]simplify:  Simplified to (cbrt (atan (+ 1 N)))
* * * * [misc]progress:  [ 25 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (cbrt (cube (atan (+ N 1)))) (atan N)))>
* [enter]simplify:  Simplifying (cube (atan (+ N 1)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* [exit]simplify:  Simplified to (cube (atan (+ 1 N)))
* [exit]simplify:  Simplified to (cube (atan (+ 1 N)))
* * * * [misc]progress:  [ 26 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (sqr (sqrt (atan (+ N 1)))) (atan N)))>
* [enter]simplify:  Simplifying (sqrt (atan (+ N 1)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (+ 1 N)))
* [exit]simplify:  Simplified to (sqrt (atan (+ 1 N)))
* * * * [misc]progress:  [ 27 / 27 ] simplifiying candidate #<alt-delta (λ (N) (- (* 1 (atan (+ N 1))) (atan N)))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (N) (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))) in N
* [misc]backup-simplify:  Simplify (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]taylor:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))) in N
* [misc]backup-simplify:  Simplify (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]backup-simplify:  Simplify (atan2 1 (+ 1 (+ (sqr N) N))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan2 1 (+ 1 (+ (sqr N) N))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]approximate:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ (/ 1 N) (sqr (/ 1 N))))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ (/ 1 N) (sqr (/ 1 N))))) in N
* [misc]backup-simplify:  Simplify (atan2 (+ 1 0) (+ 1 (+ (/ 1 N) (sqr (/ 1 N))))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]taylor:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ (/ 1 N) (sqr (/ 1 N))))) in N
* [misc]backup-simplify:  Simplify (atan2 (+ 1 0) (+ 1 (+ (/ 1 N) (sqr (/ 1 N))))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]backup-simplify:  Simplify (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N)))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N)))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]approximate:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N)))))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N)))))) in N
* [misc]backup-simplify:  Simplify (atan2 (+ 1 0) (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N)))))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan2 (+ 1 0) (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N)))))) in N
* [misc]backup-simplify:  Simplify (atan2 (+ 1 0) (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N)))))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* [misc]backup-simplify:  Simplify (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (+ 1 (+ N (sqr N))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (+ 1 (+ N (sqr N))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ N (sqr N)) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 (+ N (sqr N))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ N (sqr N)) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr N)) (+ (* 1 N) 1)) into (+ 1 (+ (sqr N) N))
* [misc]approximate:  Taking taylor expansion of (+ 1 (+ (/ 1 N) (sqr (/ 1 N)))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (+ 1 (+ (/ 1 N) (sqr (/ 1 N)))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 N) (sqr (/ 1 N))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 N)) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 (+ (/ 1 N) (sqr (/ 1 N)))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 N) (sqr (/ 1 N))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 N)) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (+ (* 1 (/ 1 (/ 1 N))) (* 1 (sqr (/ 1 (/ 1 N)))))) into (+ 1 (+ (sqr N) N))
* [misc]approximate:  Taking taylor expansion of (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N))))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N))))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- N)) (sqr (/ 1 (- N)))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- N))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ 1 (+ (/ 1 (- N)) (sqr (/ 1 (- N))))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- N)) (sqr (/ 1 (- N)))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- N))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (+ (* -1 (/ 1 (/ 1 (- N)))) (* 1 (sqr (/ 1 (/ 1 (- N))))))) into (+ 1 (+ (sqr N) N))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 24 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 1 (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* * * * [misc]progress:  [ 2 / 24 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N)))))>
* [enter]simplify:  Simplifying (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ (/ 1 N) 1) (/ 1 (sqr N))))
* * * * [misc]progress:  [ 3 / 24 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N))))>
* [enter]simplify:  Simplifying (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (- 1 (/ 1 N)) (/ (/ 1 N) N)))
* * * * [misc]progress:  [ 4 / 24 ] simplifiying candidate #<alt-event (λ (N) (atan2 (+ 1 0) (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 (+ 1 0) (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ 1 N) (sqr N)))
* * * * [misc]progress:  [ 5 / 24 ] simplifiying candidate #<alt-event (λ (N) (atan2 (+ 1 0) (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 (+ 1 0) (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ 1 N) (sqr N)))
* * * * [misc]progress:  [ 6 / 24 ] simplifiying candidate #<alt-event (λ (N) (atan2 (+ 1 0) (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 (+ 1 0) (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ 1 N) (sqr N)))
* * * * [misc]progress:  [ 7 / 24 ] simplifiying candidate #<alt-delta (λ (N) (pow (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))) 1))>
* * * * [misc]progress:  [ 8 / 24 ] simplifiying candidate #<alt-delta (λ (N) (exp (log (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (log (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (log (atan2 1 (+ (sqr N) (+ 1 N))))
* [exit]simplify:  Simplified to (log (atan2 1 (+ (sqr N) (+ 1 N))))
* * * * [misc]progress:  [ 9 / 24 ] simplifiying candidate #<alt-delta (λ (N) (log (exp (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (exp (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (exp (atan2 1 (+ (sqr N) (+ 1 N))))
* [exit]simplify:  Simplified to (exp (atan2 1 (+ (sqr N) (+ 1 N))))
* * * * [misc]progress:  [ 10 / 24 ] simplifiying candidate #<alt-delta (λ (N) (cube (cbrt (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (cbrt (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (cbrt (atan2 1 (+ (sqr N) (+ 1 N))))
* [exit]simplify:  Simplified to (cbrt (atan2 1 (+ (sqr N) (+ 1 N))))
* * * * [misc]progress:  [ 11 / 24 ] simplifiying candidate #<alt-delta (λ (N) (cbrt (cube (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (cube (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (cube (atan2 1 (+ (+ 1 N) (sqr N))))
* [exit]simplify:  Simplified to (cube (atan2 1 (+ (+ 1 N) (sqr N))))
* * * * [misc]progress:  [ 12 / 24 ] simplifiying candidate #<alt-delta (λ (N) (sqr (sqrt (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (sqrt (atan2 (+ 1 0) (+ 1 (+ N (sqr N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (+ (sqr N) (+ 1 N))))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (+ (sqr N) (+ 1 N))))
* * * * [misc]progress:  [ 13 / 24 ] simplifiying candidate #<alt-delta (λ (N) (* 1 (atan2 (+ 1 0) (+ 1 (+ N (sqr N))))))>
* * * * [misc]progress:  [ 14 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (pow (+ 1 (+ N (sqr N))) 1)))>
* * * * [misc]progress:  [ 15 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (exp (log (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (log (+ 1 (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (log (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (log (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 16 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (log (exp (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (exp (+ 1 (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (56 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ N 1) (sqr N)))
* [exit]simplify:  Simplified to (exp (+ (+ N 1) (sqr N)))
* * * * [misc]progress:  [ 17 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (cube (cbrt (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (cbrt (+ 1 (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (cbrt (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 18 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (cbrt (cube (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (cube (+ 1 (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (137 enodes)
* [exit]simplify:  Simplified to (cube (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (cube (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 19 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (sqr (sqrt (+ 1 (+ N (sqr N)))))))>
* [enter]simplify:  Simplifying (sqrt (+ 1 (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (sqrt (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 20 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (/ (+ (pow 1 3) (pow (+ N (sqr N)) 3)) (+ (sqr 1) (- (sqr (+ N (sqr N))) (* 1 (+ N (sqr N))))))))>
* [enter]simplify:  Simplifying (+ (pow 1 3) (pow (+ N (sqr N)) 3))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (92 enodes)
* * [misc]simplify:  iters left: 1 (142 enodes)
* [exit]simplify:  Simplified to (+ (cube (+ N (sqr N))) 1)
* [exit]simplify:  Simplified to (+ (cube (+ N (sqr N))) 1)
* [enter]simplify:  Simplifying (+ (sqr 1) (- (sqr (+ N (sqr N))) (* 1 (+ N (sqr N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (70 enodes)
* [exit]simplify:  Simplified to (+ (* (+ N (sqr N)) (+ N (sqr N))) (- 1 (+ N (sqr N))))
* [exit]simplify:  Simplified to (+ (* (+ N (sqr N)) (+ N (sqr N))) (- 1 (+ N (sqr N))))
* * * * [misc]progress:  [ 21 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (* 1 (+ 1 (+ N (sqr N))))))>
* * * * [misc]progress:  [ 22 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (/ (- (sqr 1) (sqr (+ N (sqr N)))) (- 1 (+ N (sqr N))))))>
* [enter]simplify:  Simplifying (- (sqr 1) (sqr (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (157 enodes)
* * [misc]simplify:  iters left: 1 (208 enodes)
* [exit]simplify:  Simplified to (* (- (- 1 N) (* N N)) (+ (+ 1 N) (* N N)))
* [exit]simplify:  Simplified to (* (- (- 1 N) (* N N)) (+ (+ 1 N) (* N N)))
* [enter]simplify:  Simplifying (- 1 (+ N (sqr N)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (21 enodes)
* [exit]simplify:  Simplified to (- (- 1 N) (sqr N))
* [exit]simplify:  Simplified to (- (- 1 N) (sqr N))
* * * * [misc]progress:  [ 23 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (+ (+ 1 N) (sqr N))))>
* [enter]simplify:  Simplifying (+ 1 N)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (6 enodes)
* [exit]simplify:  Simplified to (+ N 1)
* [exit]simplify:  Simplified to (+ N 1)
* * * * [misc]progress:  [ 24 / 24 ] simplifiying candidate #<alt-delta (λ (N) (atan2 (+ 1 0) (+ (+ N (sqr N)) 1)))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (N) (atan2 1 (+ (+ 1 N) (sqr N))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (atan2 1 (+ (+ 1 N) (sqr N))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (+ (+ 1 N) (sqr N))) in N
* [misc]backup-simplify:  Simplify (atan2 1 (+ (+ 1 N) (sqr N))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (+ (+ 1 N) (sqr N))) in N
* [misc]backup-simplify:  Simplify (atan2 1 (+ (+ 1 N) (sqr N))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]backup-simplify:  Simplify (atan2 1 (+ 1 (+ (sqr N) N))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan2 1 (+ 1 (+ (sqr N) N))) into (atan2 1 (+ 1 (+ (sqr N) N)))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (+ (+ 1 (/ 1 N)) (sqr (/ 1 N)))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (+ (+ 1 (/ 1 N)) (sqr (/ 1 N)))) in N
* [misc]backup-simplify:  Simplify (atan2 1 (+ (+ 1 (/ 1 N)) (sqr (/ 1 N)))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (+ (+ 1 (/ 1 N)) (sqr (/ 1 N)))) in N
* [misc]backup-simplify:  Simplify (atan2 1 (+ (+ 1 (/ 1 N)) (sqr (/ 1 N)))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]backup-simplify:  Simplify (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N)))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N)))) into (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N))))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N))))) in N
* [misc]backup-simplify:  Simplify (atan2 1 (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N))))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N))))) in N
* [misc]backup-simplify:  Simplify (atan2 1 (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N))))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* [misc]backup-simplify:  Simplify (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N))) into (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 1 N) (sqr N)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 1 N) (sqr N)) in N
* [misc]taylor:  Taking taylor expansion of (+ 1 N) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 1 N) (sqr N)) in N
* [misc]taylor:  Taking taylor expansion of (+ 1 N) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr N)) (+ (* 1 N) 1)) into (+ 1 (+ (sqr N) N))
* [misc]approximate:  Taking taylor expansion of (+ (+ 1 (/ 1 N)) (sqr (/ 1 N))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 1 (/ 1 N)) (sqr (/ 1 N))) in N
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 N)) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 N)) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 1 (/ 1 N)) (sqr (/ 1 N))) in N
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 N)) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 N)) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (+ (* 1 (/ 1 (/ 1 N))) (* 1 (sqr (/ 1 (/ 1 N)))))) into (+ 1 (+ (sqr N) N))
* [misc]approximate:  Taking taylor expansion of (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N)))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N)))) in N
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- N))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- N))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ 1 (/ 1 (- N))) (sqr (/ 1 (- N)))) in N
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- N))) in N
* [misc]taylor:  Taking taylor expansion of 1 in N
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- N))) in N
* [misc]taylor:  Taking taylor expansion of (/ 1 (- N)) in N
* [misc]taylor:  Taking taylor expansion of (- N) in N
* [misc]taylor:  Taking taylor expansion of N in N
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (+ (* -1 (/ 1 (/ 1 (- N)))) (* 1 (sqr (/ 1 (/ 1 (- N))))))) into (+ 1 (+ (sqr N) N))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 26 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 1 (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* * * * [misc]progress:  [ 2 / 26 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N)))))>
* [enter]simplify:  Simplifying (atan2 1 (+ (/ 1 (sqr N)) (+ 1 (/ 1 N))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ (/ 1 N) 1) (/ 1 (sqr N))))
* * * * [misc]progress:  [ 3 / 26 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N))))>
* [enter]simplify:  Simplifying (atan2 1 (- (+ (/ 1 (sqr N)) 1) (/ 1 N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (- 1 (/ 1 N)) (/ (/ 1 N) N)))
* * * * [misc]progress:  [ 4 / 26 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 1 (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* * * * [misc]progress:  [ 5 / 26 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 1 (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* * * * [misc]progress:  [ 6 / 26 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (+ 1 (+ (sqr N) N))))>
* [enter]simplify:  Simplifying (atan2 1 (+ 1 (+ (sqr N) N)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* * * * [misc]progress:  [ 7 / 26 ] simplifiying candidate #<alt-delta (λ (N) (pow (atan2 1 (+ (+ 1 N) (sqr N))) 1))>
* * * * [misc]progress:  [ 8 / 26 ] simplifiying candidate #<alt-delta (λ (N) (exp (log (atan2 1 (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (log (atan2 1 (+ (+ 1 N) (sqr N))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (log (atan2 1 (+ (sqr N) (+ N 1))))
* [exit]simplify:  Simplified to (log (atan2 1 (+ (sqr N) (+ N 1))))
* * * * [misc]progress:  [ 9 / 26 ] simplifiying candidate #<alt-delta (λ (N) (log (exp (atan2 1 (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (exp (atan2 1 (+ (+ 1 N) (sqr N))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (exp (atan2 1 (+ (sqr N) (+ N 1))))
* [exit]simplify:  Simplified to (exp (atan2 1 (+ (sqr N) (+ N 1))))
* * * * [misc]progress:  [ 10 / 26 ] simplifiying candidate #<alt-delta (λ (N) (cube (cbrt (atan2 1 (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (cbrt (atan2 1 (+ (+ 1 N) (sqr N))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (cbrt (atan2 1 (+ (sqr N) (+ N 1))))
* [exit]simplify:  Simplified to (cbrt (atan2 1 (+ (sqr N) (+ N 1))))
* * * * [misc]progress:  [ 11 / 26 ] simplifiying candidate #<alt-delta (λ (N) (cbrt (cube (atan2 1 (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (cube (atan2 1 (+ (+ 1 N) (sqr N))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* [exit]simplify:  Simplified to (cube (atan2 1 (+ (sqr N) (+ N 1))))
* [exit]simplify:  Simplified to (cube (atan2 1 (+ (sqr N) (+ N 1))))
* * * * [misc]progress:  [ 12 / 26 ] simplifiying candidate #<alt-delta (λ (N) (sqr (sqrt (atan2 1 (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (sqrt (atan2 1 (+ (+ 1 N) (sqr N))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (+ (sqr N) (+ N 1))))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (+ (sqr N) (+ N 1))))
* * * * [misc]progress:  [ 13 / 26 ] simplifiying candidate #<alt-delta (λ (N) (* 1 (atan2 1 (+ (+ 1 N) (sqr N)))))>
* * * * [misc]progress:  [ 14 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (log (* (exp (+ 1 N)) (exp (sqr N))))))>
* [enter]simplify:  Simplifying (* (exp (+ 1 N)) (exp (sqr N)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (exp (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (exp (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 15 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (pow (+ (+ 1 N) (sqr N)) 1)))>
* * * * [misc]progress:  [ 16 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (exp (log (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (log (+ (+ 1 N) (sqr N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (log (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (log (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 17 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (log (exp (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (exp (+ (+ 1 N) (sqr N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (54 enodes)
* [exit]simplify:  Simplified to (exp (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (exp (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 18 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (cube (cbrt (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (cbrt (+ (+ 1 N) (sqr N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (cbrt (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 19 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (cbrt (cube (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (cube (+ (+ 1 N) (sqr N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (cube (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (cube (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 20 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (sqr (sqrt (+ (+ 1 N) (sqr N))))))>
* [enter]simplify:  Simplifying (sqrt (+ (+ 1 N) (sqr N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (sqrt (+ (sqr N) (+ N 1)))
* * * * [misc]progress:  [ 21 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (/ (+ (pow (+ 1 N) 3) (pow (sqr N) 3)) (+ (sqr (+ 1 N)) (- (sqr (sqr N)) (* (+ 1 N) (sqr N)))))))>
* [enter]simplify:  Simplifying (+ (pow (+ 1 N) 3) (pow (sqr N) 3))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (+ (cube (+ N 1)) (* (cube N) (cube N)))
* [exit]simplify:  Simplified to (+ (cube (+ N 1)) (* (cube N) (cube N)))
* [enter]simplify:  Simplifying (+ (sqr (+ 1 N)) (- (sqr (sqr N)) (* (+ 1 N) (sqr N))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (79 enodes)
* * [misc]simplify:  iters left: 2 (135 enodes)
* * [misc]simplify:  iters left: 1 (231 enodes)
* [exit]simplify:  Simplified to (+ (* (+ N 1) (+ N 1)) (* (- (sqr N) (+ 1 N)) (sqr N)))
* [exit]simplify:  Simplified to (+ (* (+ N 1) (+ N 1)) (* (- (sqr N) (+ 1 N)) (sqr N)))
* * * * [misc]progress:  [ 22 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (* 1 (+ (+ 1 N) (sqr N)))))>
* * * * [misc]progress:  [ 23 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (/ (- (sqr (+ 1 N)) (sqr (sqr N))) (- (+ 1 N) (sqr N)))))>
* [enter]simplify:  Simplifying (- (sqr (+ 1 N)) (sqr (sqr N)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (153 enodes)
* [exit]simplify:  Simplified to (* (- (+ N 1) (sqr N)) (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (* (- (+ N 1) (sqr N)) (+ (sqr N) (+ N 1)))
* [enter]simplify:  Simplifying (- (+ 1 N) (sqr N))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (16 enodes)
* [exit]simplify:  Simplified to (- (+ N 1) (sqr N))
* [exit]simplify:  Simplified to (- (+ N 1) (sqr N))
* * * * [misc]progress:  [ 24 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (* 1 (+ (+ 1 N) (sqr N)))))>
* [enter]simplify:  Simplifying (+ (+ 1 N) (sqr N))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (+ (sqr N) (+ N 1))
* [exit]simplify:  Simplified to (+ (sqr N) (+ N 1))
* * * * [misc]progress:  [ 25 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (+ 1 (+ N (sqr N)))))>
* [enter]simplify:  Simplifying (+ N (sqr N))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (+ (* N N) N)
* [exit]simplify:  Simplified to (+ (* N N) N)
* * * * [misc]progress:  [ 26 / 26 ] simplifiying candidate #<alt-delta (λ (N) (atan2 1 (+ (sqr N) (+ 1 N))))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (N) (atan2 1 (+ (+ 1 N) (sqr N))))> #<alt-event (λ (N) (- (atan (+ N 1)) (atan N)))> #<alt-delta (λ (N) (sqr (sqrt (atan2 1 (+ (sqr N) (+ 1 N))))))> #<alt-delta (λ (N) (atan2 (+ 1 0) (cube (cbrt (+ 1 (+ N (sqr N)))))))> #<alt-delta (λ (N) (cube (cbrt (atan2 1 (+ (sqr N) (+ 1 N))))))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 N +inf.0)) , with alts (#<alt-delta (λ (N) (atan2 1 (+ (+ 1 N) (sqr N))))>)
* [enter]simplify:  Simplifying (+ (+ 1 N) (sqr N))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (+ (sqr N) (+ N 1))
* [exit]simplify:  Simplified to (+ (sqr N) (+ N 1))
* [enter]simplify:  Simplifying (- (atan (+ N 1)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (atan2 1 (+ (sqr N) (+ 1 N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (21 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* [enter]simplify:  Simplifying (cbrt (+ 1 (+ N (sqr N))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (sqr N) (+ N 1)))
* [exit]simplify:  Simplified to (cbrt (+ (sqr N) (+ N 1)))
* [enter]simplify:  Simplifying (atan2 1 (+ (sqr N) (+ 1 N)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (21 enodes)
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))
* [exit]simplify:  Simplified to (atan2 1 (+ (+ N 1) (sqr N)))