* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
* * * * [misc]points:  Computing exacts on every 16 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 8 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Setting MPFR precision to 832
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 4 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 2 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts for 256 points
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 256 points with exact outputs
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (- (atan (+ N 1)) (atan N))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (N) (- (atan (+ N 1)) (atan N)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] 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 (/ 1 N)))) (atan (/ 1 (/ 1 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 (/ 1 (- N))))) (atan (/ -1 (/ 1 (- N))))) into (- (atan (+ 1 N)) (atan N))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))) (fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))))>
* [enter]simplify:  Simplifying (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 2 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (sqrt (atan N)) (sqrt (atan N))))) (fma (- (sqrt (atan N))) (sqrt (atan N)) (* (sqrt (atan N)) (sqrt (atan N))))))>
* [enter]simplify:  Simplifying (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (sqrt (atan N)) (sqrt (atan N)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (fma (- (sqrt (atan N))) (sqrt (atan N)) (* (sqrt (atan N)) (sqrt (atan N))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 3 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (atan N) 1))) (fma (- (atan N)) 1 (* (atan N) 1))))>
* [enter]simplify:  Simplifying (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (atan N) 1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (fma (- (atan N)) 1 (* (atan N) 1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (- (atan N) (atan N))
* [exit]simplify:  Simplified to (- (atan N) (atan N))
* * * * [misc]progress:  [ 4 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))) (fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))))>
* [enter]simplify:  Simplifying (fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 5 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (sqrt (atan N)) (sqrt (atan N))))) (fma (- (sqrt (atan N))) (sqrt (atan N)) (* (sqrt (atan N)) (sqrt (atan N))))))>
* [enter]simplify:  Simplifying (fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (sqrt (atan N)) (sqrt (atan N)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (fma (- (sqrt (atan N))) (sqrt (atan N)) (* (sqrt (atan N)) (sqrt (atan N))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 6 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (atan N) 1))) (fma (- (atan N)) 1 (* (atan N) 1))))>
* [enter]simplify:  Simplifying (fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (atan N) 1)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [enter]simplify:  Simplifying (fma (- (atan N)) 1 (* (atan N) 1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (- (atan N) (atan N))
* [exit]simplify:  Simplified to (- (atan N) (atan N))
* * * * [misc]progress:  [ 7 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma 1 (atan (+ N 1)) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))) (fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))))>
* [enter]simplify:  Simplifying (fma 1 (atan (+ N 1)) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* [enter]simplify:  Simplifying (fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 8 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma 1 (atan (+ N 1)) (- (* (sqrt (atan N)) (sqrt (atan N))))) (fma (- (sqrt (atan N))) (sqrt (atan N)) (* (sqrt (atan N)) (sqrt (atan N))))))>
* [enter]simplify:  Simplifying (fma 1 (atan (+ N 1)) (- (* (sqrt (atan N)) (sqrt (atan N)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* [enter]simplify:  Simplifying (fma (- (sqrt (atan N))) (sqrt (atan N)) (* (sqrt (atan N)) (sqrt (atan N))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 9 / 32 ] simplifiying candidate #<alt-delta (λ (N) (+ (fma 1 (atan (+ N 1)) (- (* (atan N) 1))) (fma (- (atan N)) 1 (* (atan N) 1))))>
* [enter]simplify:  Simplifying (fma 1 (atan (+ N 1)) (- (* (atan N) 1)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* [enter]simplify:  Simplifying (fma (- (atan N)) 1 (* (atan N) 1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (- (atan N) (atan N))
* [exit]simplify:  Simplified to (- (atan N) (atan N))
* * * * [misc]progress:  [ 10 / 32 ] simplifiying candidate #<alt-delta (λ (N) (log1p (expm1 (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (expm1 (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (expm1 (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (expm1 (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 11 / 32 ] simplifiying candidate #<alt-delta (λ (N) (expm1 (log1p (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (log1p (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (log1p (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (log1p (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 12 / 32 ] simplifiying candidate #<alt-delta (λ (N) (fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (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:  [ 13 / 32 ] simplifiying candidate #<alt-delta (λ (N) (fma (sqrt (atan (+ N 1))) (sqrt (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:  [ 14 / 32 ] simplifiying candidate #<alt-delta (λ (N) (fma 1 (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:  [ 15 / 32 ] 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 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (25 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [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 (19 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* [exit]simplify:  Simplified to (fma (+ N 1) N 1)
* [exit]simplify:  Simplified to (fma (+ N 1) N 1)
* * * * [misc]progress:  [ 16 / 32 ] 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)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (24 enodes)
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 17 / 32 ] simplifiying candidate #<alt-delta (λ (N) (pow (- (atan (+ N 1)) (atan N)) 1))>
* * * * [misc]progress:  [ 18 / 32 ] 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 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (log (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (log (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 19 / 32 ] 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 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (exp (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 20 / 32 ] simplifiying candidate #<alt-delta (λ (N) (* (* (cbrt (- (atan (+ N 1)) (atan N))) (cbrt (- (atan (+ N 1)) (atan N)))) (cbrt (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (atan (+ N 1)) (atan N))) (cbrt (- (atan (+ N 1)) (atan N))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (atan (+ 1 N)) (atan N))) (cbrt (- (atan (+ 1 N)) (atan N))))
* [exit]simplify:  Simplified to (* (cbrt (- (atan (+ 1 N)) (atan N))) (cbrt (- (atan (+ 1 N)) (atan N))))
* [enter]simplify:  Simplifying (cbrt (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (cbrt (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (cbrt (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 21 / 32 ] simplifiying candidate #<alt-delta (λ (N) (cbrt (* (* (- (atan (+ N 1)) (atan N)) (- (atan (+ N 1)) (atan N))) (- (atan (+ N 1)) (atan N)))))>
* [enter]simplify:  Simplifying (* (* (- (atan (+ N 1)) (atan N)) (- (atan (+ N 1)) (atan N))) (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (89 enodes)
* * [misc]simplify:  iters left: 2 (309 enodes)
* [exit]simplify:  Simplified to (pow (- (atan (+ 1 N)) (atan N)) 3)
* [exit]simplify:  Simplified to (pow (- (atan (+ 1 N)) (atan N)) 3)
* * * * [misc]progress:  [ 22 / 32 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (- (atan (+ N 1)) (atan N))) (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 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (sqrt (- (atan (+ 1 N)) (atan N)))
* [enter]simplify:  Simplifying (sqrt (- (atan (+ N 1)) (atan N)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (- (atan (+ 1 N)) (atan N)))
* [exit]simplify:  Simplified to (sqrt (- (atan (+ 1 N)) (atan N)))
* * * * [misc]progress:  [ 23 / 32 ] simplifiying candidate #<alt-delta (λ (N) (/ (- (pow (atan (+ N 1)) 3) (pow (atan N) 3)) (+ (* (atan (+ N 1)) (atan (+ N 1))) (+ (* (atan N) (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 (20 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* [exit]simplify:  Simplified to (fma (atan (+ 1 N)) (* (atan (+ 1 N)) (atan (+ 1 N))) (* (* (atan N) (atan N)) (- (atan N))))
* [exit]simplify:  Simplified to (fma (atan (+ 1 N)) (* (atan (+ 1 N)) (atan (+ 1 N))) (* (* (atan N) (atan N)) (- (atan N))))
* [enter]simplify:  Simplifying (+ (* (atan (+ N 1)) (atan (+ N 1))) (+ (* (atan N) (atan N)) (* (atan (+ N 1)) (atan N))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (45 enodes)
* [exit]simplify:  Simplified to (fma (atan N) (+ (atan N) (atan (+ 1 N))) (* (atan (+ 1 N)) (atan (+ 1 N))))
* [exit]simplify:  Simplified to (fma (atan N) (+ (atan N) (atan (+ 1 N))) (* (atan (+ 1 N)) (atan (+ 1 N))))
* * * * [misc]progress:  [ 24 / 32 ] 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:  [ 25 / 32 ] simplifiying candidate #<alt-delta (λ (N) (* 1 (- (atan (+ N 1)) (atan N))))>
* * * * [misc]progress:  [ 26 / 32 ] simplifiying candidate #<alt-delta (λ (N) (/ (- (* (atan (+ N 1)) (atan (+ N 1))) (* (atan N) (atan N))) (+ (atan (+ N 1)) (atan N))))>
* [enter]simplify:  Simplifying (- (* (atan (+ N 1)) (atan (+ N 1))) (* (atan N) (atan N)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (72 enodes)
* * [misc]simplify:  iters left: 1 (165 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:  [ 27 / 32 ] 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 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 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:  [ 28 / 32 ] 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 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* [exit]simplify:  Simplified to (- (atan (+ 1 N)) (atan N))
* * * * [misc]progress:  [ 29 / 32 ] 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:  [ 30 / 32 ] 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 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* * * * [misc]progress:  [ 31 / 32 ] 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 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* * * * [misc]progress:  [ 32 / 32 ] 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 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (- (atan (+ N 1)) (atan N))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (N) (atan2 1 (fma (+ N 1) N 1)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [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 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [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 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [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 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 12 ] simplifiying candidate #<alt-delta (λ (N) (log1p (expm1 (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 2 / 12 ] simplifiying candidate #<alt-delta (λ (N) (expm1 (log1p (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (log1p (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 3 / 12 ] simplifiying candidate #<alt-delta (λ (N) (pow (atan2 1 (fma (+ N 1) N 1)) 1))>
* * * * [misc]progress:  [ 4 / 12 ] simplifiying candidate #<alt-delta (λ (N) (exp (log (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (log (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 5 / 12 ] simplifiying candidate #<alt-delta (λ (N) (log (exp (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (exp (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 6 / 12 ] simplifiying candidate #<alt-delta (λ (N) (* (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 7 / 12 ] simplifiying candidate #<alt-delta (λ (N) (cbrt (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))
* * [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 (25 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* * * * [misc]progress:  [ 8 / 12 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 9 / 12 ] simplifiying candidate #<alt-delta (λ (N) (* 1 (atan2 1 (fma (+ N 1) N 1))))>
* * * * [misc]progress:  [ 10 / 12 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (fma (+ 1 N) N 1)))>
* [enter]simplify:  Simplifying (atan2 1 (fma (+ 1 N) N 1))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 11 / 12 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (fma (+ 1 N) N 1)))>
* [enter]simplify:  Simplifying (atan2 1 (fma (+ 1 N) N 1))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 12 / 12 ] simplifiying candidate #<alt-event (λ (N) (atan2 1 (fma (+ 1 N) N 1)))>
* [enter]simplify:  Simplifying (atan2 1 (fma (+ 1 N) N 1))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 2)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 2 1)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 2 1)
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [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 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [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 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [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 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [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 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [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 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [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 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (log1p (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 2 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (expm1 (log1p (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 3 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (pow (atan2 1 (fma (+ N 1) N 1)) 1/2)))>
* * * * [misc]progress:  [ 4 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (pow (sqrt (atan2 1 (fma (+ N 1) N 1))) 1)))>
* * * * [misc]progress:  [ 5 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (exp (log (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 6 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (log (exp (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 7 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 8 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 9 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))
* * [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 (24 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 10 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 11 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt 1) (sqrt (atan2 1 (fma (+ N 1) N 1))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 12 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 13 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (fabs (sqrt (atan2 1 (fma (+ N 1) N 1))))))>
* * * * [misc]progress:  [ 14 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* 1 (sqrt (atan2 1 (fma (+ N 1) N 1))))))>
* * * * [misc]progress:  [ 15 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (log1p (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 16 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (expm1 (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 17 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (pow (atan2 1 (fma (+ N 1) N 1)) 1/2) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * * [misc]progress:  [ 18 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (pow (sqrt (atan2 1 (fma (+ N 1) N 1))) 1) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * * [misc]progress:  [ 19 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (exp (log (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 20 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (log (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 21 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 22 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (cbrt (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 23 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))
* * [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 (24 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 24 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 25 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt 1) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 26 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 27 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (fabs (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * * [misc]progress:  [ 28 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (* 1 (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * * [misc]progress:  [ 29 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (log1p (expm1 (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 30 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (expm1 (log1p (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log1p (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 31 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (pow (atan2 1 (fma (+ N 1) N 1)) 1))))>
* * * * [misc]progress:  [ 32 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (exp (log (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 33 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (log (exp (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (exp (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 34 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (* (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 35 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (cbrt (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))
* * [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 (25 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* * * * [misc]progress:  [ 36 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 37 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (* 1 (atan2 1 (fma (+ N 1) N 1))))))>
* * * * [misc]progress:  [ 38 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (log1p (expm1 (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 39 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (expm1 (log1p (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (log1p (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 40 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (pow (atan2 1 (fma (+ N 1) N 1)) 1)) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * * [misc]progress:  [ 41 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (exp (log (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (log (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 42 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (log (exp (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (exp (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 43 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (* (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 44 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (cbrt (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))
* * [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 (25 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* * * * [misc]progress:  [ 45 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 46 / 58 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (* 1 (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* * * * [misc]progress:  [ 47 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 48 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 49 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 50 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 51 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 52 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 53 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 54 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 55 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ 1 N) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 56 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 57 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 58 / 58 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 4 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 2 2 1)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 2 2 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 2 2 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 2 1 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ N 1) N 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 N) N 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 N) N 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))) into (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* [misc]approximate:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1))) in N
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))) into (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (atan2 1 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1))) into (sqrt (atan2 1 (fma (+ 1 N) N 1)))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 2 2 1 1)
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ N 1) N 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ N 1) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [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 (fma (+ 1 N) N 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 N) 1) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1)) into (atan2 1 (fma (+ 1 (/ 1 N)) (/ 1 N) 1))
* [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 (fma (+ 1 (/ 1 (/ 1 N))) (/ 1 (/ 1 N)) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* [misc]approximate:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in (N) around 0
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]taylor:  Taking taylor expansion of (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) in N
* [misc]backup-simplify:  Simplify (atan2 1 (fma (+ (/ 1 (- N)) 1) (/ 1 (- N)) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [misc]backup-simplify:  Simplify (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1)) into (atan2 1 (fma (- 1 (/ 1 N)) (/ -1 N) 1))
* [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 (fma (- 1 (/ 1 (/ 1 (- N)))) (/ -1 (/ 1 (- N))) 1)) into (atan2 1 (fma (+ 1 N) N 1))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (log1p (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 2 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (expm1 (log1p (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 3 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (pow (atan2 1 (fma (+ N 1) N 1)) 1/2)))))>
* * * * [misc]progress:  [ 4 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (pow (sqrt (atan2 1 (fma (+ N 1) N 1))) 1)))))>
* * * * [misc]progress:  [ 5 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (exp (log (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 6 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (log (exp (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 7 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 8 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (cbrt (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 9 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))
* * [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 (24 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 10 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 11 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* (sqrt 1) (sqrt (atan2 1 (fma (+ N 1) N 1))))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 12 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 13 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (fabs (sqrt (atan2 1 (fma (+ N 1) N 1))))))))>
* * * * [misc]progress:  [ 14 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* 1 (sqrt (atan2 1 (fma (+ N 1) N 1))))))))>
* * * * [misc]progress:  [ 15 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (log1p (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 16 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (expm1 (log1p (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 17 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (pow (atan2 1 (fma (+ N 1) N 1)) 1/2)) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 18 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (pow (sqrt (atan2 1 (fma (+ N 1) N 1))) 1)) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 19 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (exp (log (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 20 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (log (exp (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 21 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 22 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (cbrt (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 23 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))
* * [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 (24 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 24 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 25 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* (sqrt 1) (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 26 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 27 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (fabs (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 28 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (* 1 (sqrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 29 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (log1p (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (expm1 (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 30 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (expm1 (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log1p (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 31 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (pow (atan2 1 (fma (+ N 1) N 1)) 1/2) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 32 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (pow (sqrt (atan2 1 (fma (+ N 1) N 1))) 1) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 33 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (exp (log (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (log (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 34 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (log (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (exp (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 35 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [exit]simplify:  Simplified to (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))
* [enter]simplify:  Simplifying (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 36 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (cbrt (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (atan2 1 (fma (+ N 1) N 1)) (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 37 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))) (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))
* * [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 (24 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (fabs (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 38 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 39 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt 1) (sqrt (atan2 1 (fma (+ N 1) N 1)))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 40 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))
* * * * [misc]progress:  [ 41 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (fabs (sqrt (atan2 1 (fma (+ N 1) N 1)))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 42 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (* 1 (sqrt (atan2 1 (fma (+ N 1) N 1)))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* * * * [misc]progress:  [ 43 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (log1p (expm1 (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (expm1 (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 44 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (expm1 (log1p (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (log1p (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log1p (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 45 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (pow (atan2 1 (fma (+ N 1) N 1)) 1))))))>
* * * * [misc]progress:  [ 46 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (exp (log (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (log (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (log (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 47 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (log (exp (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (exp (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (exp (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 48 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (* (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [exit]simplify:  Simplified to (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1))))
* [enter]simplify:  Simplifying (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (cbrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 49 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (cbrt (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (* (* (atan2 1 (fma (+ N 1) N 1)) (atan2 1 (fma (+ N 1) N 1))) (atan2 1 (fma (+ N 1) N 1)))
* * [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 (25 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* [exit]simplify:  Simplified to (pow (atan2 1 (fma (+ N 1) N 1)) 3)
* * * * [misc]progress:  [ 50 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))>
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [enter]simplify:  Simplifying (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* [exit]simplify:  Simplified to (sqrt (atan2 1 (fma (+ N 1) N 1)))
* * * * [misc]progress:  [ 51 / 63 ] simplifiying candidate #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (* 1 (atan2 1 (fma (+ N 1) N 1))))))))>
* * * * [misc]progress:  [ 52 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 53 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 54 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 55 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (69 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 56 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (69 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 57 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (69 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 58 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (59 enodes)
* * [misc]simplify:  iters left: 1 (64 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 59 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (59 enodes)
* * [misc]simplify:  iters left: 1 (64 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 60 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ 1 N) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (59 enodes)
* * [misc]simplify:  iters left: 1 (64 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 61 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 62 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * * [misc]progress:  [ 63 / 63 ] simplifiying candidate #<alt-event (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1)))))))>
* [enter]simplify:  Simplifying (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ 1 N) N 1))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (atan2 1 (fma (+ N 1) N 1))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))))> #<alt-delta (λ (N) (* (* (cbrt (atan2 1 (fma (+ N 1) N 1))) (cbrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (atan2 1 (fma (+ N 1) N 1)))))> #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (* (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1))))) (cbrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))> #<alt-delta (λ (N) (* (* (fabs (cbrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (cbrt (atan2 1 (fma (+ N 1) N 1))))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))> #<alt-delta (λ (N) (atan2 1 (fma (+ N 1) N 1)))> #<alt-delta (λ (N) (* (sqrt (atan2 1 (fma (+ N 1) N 1))) (* (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))) (sqrt (sqrt (atan2 1 (fma (+ N 1) N 1)))))))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (- (atan (+ N 1)) (atan N)) +nan.0)) , with alts (#<alt-delta (λ (N) (atan2 1 (fma (+ N 1) N 1)))>)
* [enter]simplify:  Simplifying (+ N 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (6 enodes)
* [exit]simplify:  Simplified to (+ 1 N)
* [exit]simplify:  Simplified to (+ 1 N)
* * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
* * * * [misc]points:  Computing exacts on every 500 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 250 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 125 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 62 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 31 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 15 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 7 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts on every 3 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Computing exacts for 8000 points
* * * * [misc]points:  Setting MPFR precision to 1088
* * * * [misc]points:  Setting MPFR precision to 1344
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 8000 points with exact outputs