* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (sqrt (+ (* x x) (* y y)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr y) (* x x)))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (sqrt (+ (sqr y) (* x x))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (sqrt (+ (sqr y) (* x x))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr y) (* x x))) in x
* [misc]taylor:  Taking taylor expansion of (+ (sqr y) (* x x)) in x
* [misc]taylor:  Taking taylor expansion of (sqr y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* x x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* y y) into (sqr y)
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (sqr y) 0) into (sqr y)
* [misc]backup-simplify:  Simplify (sqrt (sqr y)) into y
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 y)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqr y)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr y) (* x x))) in y
* [misc]taylor:  Taking taylor expansion of (+ (sqr y) (* x x)) in y
* [misc]taylor:  Taking taylor expansion of (sqr y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* x x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* x x) into (sqr x)
* [misc]backup-simplify:  Simplify (+ 0 (sqr x)) into (sqr x)
* [misc]backup-simplify:  Simplify (sqrt (sqr x)) into x
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (* 0 x)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqr x)))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr y) (* x x))) in y
* [misc]taylor:  Taking taylor expansion of (+ (sqr y) (* x x)) in y
* [misc]taylor:  Taking taylor expansion of (sqr y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* x x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* x x) into (sqr x)
* [misc]backup-simplify:  Simplify (+ 0 (sqr x)) into (sqr x)
* [misc]backup-simplify:  Simplify (sqrt (sqr x)) into x
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (* 0 x)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (sqr x)))) into 0
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* x 0) (+ (* 0 0) (* 0 x))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr 0) (+)) (* 2 x)) into (/ 1/2 x)
* [misc]taylor:  Taking taylor expansion of (/ 1/2 x) in x
* [misc]taylor:  Taking taylor expansion of 1/2 in x
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1/2 1) into 1/2
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) 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 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 x))))) (* 2 x)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 1 (* x 1)) into x
* [misc]approximate:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x)))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt 1))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x)))) in y
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt 1))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x)))) in y
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt 1))) into 0
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 x) (/ 1 x)) into (/ 1 (sqr x))
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 (sqr x))) into (/ 1 (sqr x))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 (sqr x)) (sqr 0) (+)) (* 2 1)) into (/ 1/2 (sqr x))
* [misc]taylor:  Taking taylor expansion of (/ 1/2 (sqr x)) in x
* [misc]taylor:  Taking taylor expansion of 1/2 in x
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (sqr x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1/2 1) into 1/2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) 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 (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (* 0 (/ 1 x))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (sqr x)))))) (* 2 1)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) 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 (* 1 (* 1 (/ 1 (/ 1 y)))) into y
* [misc]approximate:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x))))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt 1))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x))))) in y
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- x))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt 1))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x))))) in y
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- x))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt 1))) into 0
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 x) (/ -1 x)) into (/ 1 (sqr x))
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 (sqr x))) into (/ 1 (sqr x))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 (sqr x)) (sqr 0) (+)) (* 2 1)) into (/ 1/2 (sqr x))
* [misc]taylor:  Taking taylor expansion of (/ 1/2 (sqr x)) in x
* [misc]taylor:  Taking taylor expansion of 1/2 in x
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (sqr x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1/2 1) into 1/2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 x) 0) (* 0 (/ -1 x))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (sqr x)))))) (* 2 1)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) 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 (* 1 (* 1 (/ 1 (/ 1 (- y))))) into (* -1 y)
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ (sqr y) (* x x)) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (+ (sqr y) (* x x)) in x
* [misc]taylor:  Taking taylor expansion of (sqr y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* x x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (sqr y) (* x x)) in y
* [misc]taylor:  Taking taylor expansion of (sqr y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* x x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (+ (sqr y) (* x x)) in y
* [misc]taylor:  Taking taylor expansion of (sqr y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* x x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* x x) into (sqr x)
* [misc]backup-simplify:  Simplify (+ 0 (sqr x)) into (sqr x)
* [misc]taylor:  Taking taylor expansion of (sqr x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (* 0 x)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* x 0) (+ (* 0 0) (* 0 x))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [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 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [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 (+ (* 1 (sqr (* x 1))) (* 1 (sqr (* 1 y)))) into (+ (sqr x) (sqr y))
* [misc]approximate:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 y)) (* (/ 1 x) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 x) (/ 1 x)) into (/ 1 (sqr x))
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 (sqr x))) into (/ 1 (sqr x))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr x)) in x
* [misc]taylor:  Taking taylor expansion of (sqr x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (* 0 (/ 1 x))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) 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 (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) 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 (+ (* 1 (sqr (* 1 (/ 1 (/ 1 y))))) (* 1 (sqr (* (/ 1 (/ 1 x)) 1)))) into (+ (sqr x) (sqr y))
* [misc]approximate:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- x))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- x))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 x) (/ -1 x)) into (/ 1 (sqr x))
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 (sqr x))) into (/ 1 (sqr x))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr x)) in x
* [misc]taylor:  Taking taylor expansion of (sqr x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 x) 0) (* 0 (/ -1 x))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 x) 0) (+ (* 0 0) (* 0 (/ -1 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) 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 (+ (* 1 (sqr (* 1 (/ 1 (/ 1 (- y)))))) (* 1 (sqr (* (/ 1 (/ 1 (- x))) 1)))) into (+ (sqr x) (sqr y))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 29 ] simplifiying candidate #<alt-event (λ (x y) x)>
* [enter]simplify:  Simplifying x
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to x
* * * * [misc]progress:  [ 2 / 29 ] simplifiying candidate #<alt-event (λ (x y) y)>
* [enter]simplify:  Simplifying y
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to y
* * * * [misc]progress:  [ 3 / 29 ] simplifiying candidate #<alt-event (λ (x y) (* -1 y))>
* [enter]simplify:  Simplifying (* -1 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (- y)
* * * * [misc]progress:  [ 4 / 29 ] simplifiying candidate #<alt-event (λ (x y) (sqrt (+ (sqr x) (sqr y))))>
* [enter]simplify:  Simplifying (sqrt (+ (sqr x) (sqr y)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr y) (* x x)))
* * * * [misc]progress:  [ 5 / 29 ] simplifiying candidate #<alt-event (λ (x y) (sqrt (+ (sqr x) (sqr y))))>
* [enter]simplify:  Simplifying (sqrt (+ (sqr x) (sqr y)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr y) (* x x)))
* * * * [misc]progress:  [ 6 / 29 ] simplifiying candidate #<alt-event (λ (x y) (sqrt (+ (sqr x) (sqr y))))>
* [enter]simplify:  Simplifying (sqrt (+ (sqr x) (sqr y)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr y) (* x x)))
* * * * [misc]progress:  [ 7 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (pow (+ (sqr y) (* x x)) 1/2))>
* * * * [misc]progress:  [ 8 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (pow (sqrt (+ (sqr y) (* x x))) 1))>
* * * * [misc]progress:  [ 9 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (sqrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (log (sqrt (+ (sqr y) (* x x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (log (sqrt (+ (sqr x) (* y y))))
* [exit]simplify:  Simplified to (log (sqrt (+ (sqr x) (* y y))))
* * * * [misc]progress:  [ 10 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (sqrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (exp (sqrt (+ (sqr y) (* x x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (+ (sqr x) (* y y))))
* [exit]simplify:  Simplified to (exp (sqrt (+ (sqr x) (* y y))))
* * * * [misc]progress:  [ 11 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (cube (cbrt (sqrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (+ (sqr y) (* x x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (+ (sqr x) (* y y))))
* [exit]simplify:  Simplified to (cbrt (sqrt (+ (sqr x) (* y y))))
* * * * [misc]progress:  [ 12 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (cube (sqrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (cube (sqrt (+ (sqr y) (* x x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (* (+ (sqr x) (* y y)) (sqrt (+ (sqr x) (* y y))))
* [exit]simplify:  Simplified to (* (+ (sqr x) (* y y)) (sqrt (+ (sqr x) (* y y))))
* * * * [misc]progress:  [ 13 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (* (sqrt 1) (sqrt (+ (sqr y) (* x x)))))>
* [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 (+ (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr x) (* y y)))
* [exit]simplify:  Simplified to (sqrt (+ (sqr x) (* y y)))
* * * * [misc]progress:  [ 14 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (/ (sqrt (+ (pow (sqr y) 3) (pow (* x x) 3))) (sqrt (+ (sqr (sqr y)) (- (sqr (* x x)) (* (sqr y) (* x x)))))))>
* [enter]simplify:  Simplifying (sqrt (+ (pow (sqr y) 3) (pow (* x x) 3)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (48 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr (cube y)) (sqr (cube x))))
* [exit]simplify:  Simplified to (sqrt (+ (sqr (cube y)) (sqr (cube x))))
* [enter]simplify:  Simplifying (sqrt (+ (sqr (sqr y)) (- (sqr (* x x)) (* (sqr y) (* x x)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (49 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (97 enodes)
* [exit]simplify:  Simplified to (sqrt (- (+ (* (* x x) (* x x)) (sqr (* y y))) (sqr (* y x))))
* [exit]simplify:  Simplified to (sqrt (- (+ (* (* x x) (* x x)) (sqr (* y y))) (sqr (* y x))))
* * * * [misc]progress:  [ 15 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (/ (sqrt (- (sqr (sqr y)) (sqr (* x x)))) (sqrt (- (sqr y) (* x x)))))>
* [enter]simplify:  Simplifying (sqrt (- (sqr (sqr y)) (sqr (* x x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (74 enodes)
* * [misc]simplify:  iters left: 1 (177 enodes)
* [exit]simplify:  Simplified to (sqrt (- (sqr (* y y)) (* (* x x) (* x x))))
* [exit]simplify:  Simplified to (sqrt (- (sqr (* y y)) (* (* x x) (* x x))))
* [enter]simplify:  Simplifying (sqrt (- (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (21 enodes)
* [exit]simplify:  Simplified to (sqrt (- (* y y) (sqr x)))
* [exit]simplify:  Simplified to (sqrt (- (* y y) (sqr x)))
* * * * [misc]progress:  [ 16 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (sqrt (sqrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (+ (sqr y) (* x x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (+ (sqr x) (* y y))))
* [exit]simplify:  Simplified to (sqrt (sqrt (+ (sqr x) (* y y))))
* * * * [misc]progress:  [ 17 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (fabs (sqrt (+ (sqr y) (* x x)))))>
* * * * [misc]progress:  [ 18 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (sqrt (+ (sqr y) (* x x)))))>
* * * * [misc]progress:  [ 19 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (log (* (exp (sqr y)) (exp (* x x))))))>
* [enter]simplify:  Simplifying (* (exp (sqr y)) (exp (* x x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (exp (+ (* y y) (* x x)))
* [exit]simplify:  Simplified to (exp (+ (* y y) (* x x)))
* * * * [misc]progress:  [ 20 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (pow (+ (sqr y) (* x x)) 1)))>
* * * * [misc]progress:  [ 21 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (exp (log (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (log (+ (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (log (+ (sqr x) (* y y)))
* [exit]simplify:  Simplified to (log (+ (sqr x) (* y y)))
* * * * [misc]progress:  [ 22 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (log (exp (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (exp (+ (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* [exit]simplify:  Simplified to (exp (+ (sqr x) (* y y)))
* [exit]simplify:  Simplified to (exp (+ (sqr x) (* y y)))
* * * * [misc]progress:  [ 23 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (cube (cbrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (cbrt (+ (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (sqr x) (* y y)))
* [exit]simplify:  Simplified to (cbrt (+ (sqr x) (* y y)))
* * * * [misc]progress:  [ 24 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (cbrt (cube (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (cube (+ (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (65 enodes)
* * [misc]simplify:  iters left: 1 (182 enodes)
* [exit]simplify:  Simplified to (cube (+ (sqr x) (* y y)))
* [exit]simplify:  Simplified to (cube (+ (sqr x) (* y y)))
* * * * [misc]progress:  [ 25 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (sqr (sqrt (+ (sqr y) (* x x))))))>
* [enter]simplify:  Simplifying (sqrt (+ (sqr y) (* x x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (sqr x) (* y y)))
* [exit]simplify:  Simplified to (sqrt (+ (sqr x) (* y y)))
* * * * [misc]progress:  [ 26 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (/ (+ (pow (sqr y) 3) (pow (* x x) 3)) (+ (sqr (sqr y)) (- (sqr (* x x)) (* (sqr y) (* x x)))))))>
* [enter]simplify:  Simplifying (+ (pow (sqr y) 3) (pow (* x x) 3))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (+ (* (cube y) (cube y)) (sqr (cube x)))
* [exit]simplify:  Simplified to (+ (* (cube y) (cube y)) (sqr (cube x)))
* [enter]simplify:  Simplifying (+ (sqr (sqr y)) (- (sqr (* x x)) (* (sqr y) (* x x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (- (* (* x x) (* x x)) (* (* (* y y) (+ x y)) (- x y)))
* [exit]simplify:  Simplified to (- (* (* x x) (* x x)) (* (* (* y y) (+ x y)) (- x y)))
* * * * [misc]progress:  [ 27 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (* 1 (+ (sqr y) (* x x)))))>
* * * * [misc]progress:  [ 28 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (/ (- (sqr (sqr y)) (sqr (* x x))) (- (sqr y) (* x x)))))>
* [enter]simplify:  Simplifying (- (sqr (sqr y)) (sqr (* x x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (73 enodes)
* [exit]simplify:  Simplified to (- (sqr (* y y)) (* (* x x) (* x x)))
* [exit]simplify:  Simplified to (- (sqr (* y y)) (* (* x x) (* x x)))
* [enter]simplify:  Simplifying (- (sqr y) (* x x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (12 enodes)
* [exit]simplify:  Simplified to (- (* y y) (sqr x))
* [exit]simplify:  Simplified to (- (* y y) (sqr x))
* * * * [misc]progress:  [ 29 / 29 ] simplifiying candidate #<alt-delta (λ (x y) (sqrt (+ (* x x) (sqr y))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (- y))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * [misc]progress:  generating rewritten candidates
* * * [misc]progress:  simplifying candidates
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (x y) y)>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * [misc]progress:  generating rewritten candidates
* * * [misc]progress:  simplifying candidates
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-event (λ (x y) x)> #<alt-event (λ (x y) y)> #<alt-delta (λ (x y) (sqrt (+ (sqr y) (* x x))))> #<alt-delta (λ (x y) (- y))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 y -1.1496000680102836e+163) #s(sp 1 y 4.692828868299432e+91) #s(sp 2 y +inf.0)) , with alts (#<alt-delta (λ (x y) (- y))> #<alt-delta (λ (x y) (sqrt (+ (sqr y) (* x x))))> #<alt-event (λ (x y) y)>)
* [misc]splitpoints:  intervals are:  ((#f . #s(sp 0 y -1.1496000680102836e+163)))
* [misc]splitpoints:  intervals are:  ((#s(sp 0 y -1.1496000680102836e+163) . #s(sp 1 y 4.692828868299432e+91)))
* [misc]splitpoints:  intervals are:  ((#s(sp 1 y 4.692828868299432e+91) . #s(sp 2 y +inf.0)))
* [enter]simplify:  Simplifying x
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to x
* [enter]simplify:  Simplifying x
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to x
* [enter]simplify:  Simplifying y
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to y
* [enter]simplify:  Simplifying (+ (sqr y) (* x x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (+ (sqr x) (* y y))
* [exit]simplify:  Simplified to (+ (sqr x) (* y y))
* [enter]simplify:  Simplifying x
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to x
* [enter]simplify:  Simplifying y
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to y
* [enter]simplify:  Simplifying (+ (sqr y) (* x x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (+ (sqr x) (* y y))
* [exit]simplify:  Simplified to (+ (sqr x) (* y y))