9.549 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.494 * * * [progress]: [2/2] Setting up program.
0.499 * [progress]: [Phase 2 of 3] Improving.
0.499 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x)))) (+ (+ (+ (/ 1.0 (fabs x)) (* (/ 1.0 2.0) (* (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))))) (* (/ 3.0 4.0) (* (* (* (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))))) (* (/ 15.0 8.0) (* (* (* (* (* (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))) (/ 1.0 (fabs x))))))
0.500 * * [simplify]: iteration  0 :  31  enodes  (cost  103 )
0.505 * * [simplify]: iteration  1 :  90  enodes  (cost  103 )
0.523 * * [simplify]: iteration  2 :  383  enodes  (cost  65 )
0.645 * * [simplify]: iteration  3 :  1983  enodes  (cost  51 )
1.196 * * [simplify]: iteration  done :  5001  enodes  (cost  51 )
1.196 * [simplify]: Simplified to:
   (* (fma (/ 1.0 (fabs x)) (fma (/ 3.0 4.0) (pow (/ 1.0 (fabs x)) 4) (/ (* (pow (/ 1.0 (fabs x)) 6) 15.0) 8.0)) (fma (/ 1.0 2.0) (pow (/ 1.0 (fabs x)) 3) (/ 1.0 (fabs x)))) (* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x)))))
1.202 * * [progress]: iteration 1 / 4
1.202 * * * [progress]: picking best candidate
1.212 * * * * [pick]: Picked  #<alt (λ (x) (* (fma (/ 1.0 (fabs x)) (fma (/ 3.0 4.0) (pow (/ 1.0 (fabs x)) 4) (/ (* (pow (/ 1.0 (fabs x)) 6) 15.0) 8.0)) (fma (/ 1.0 2.0) (pow (/ 1.0 (fabs x)) 3) (/ 1.0 (fabs x)))) (* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x))))))>
1.212 * * * [progress]: localizing error
1.241 * * * [progress]: generating rewritten candidates
1.241 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 2 3 1 1)
1.245 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1 2)
1.245 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2 2)
1.249 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 3 2)
1.259 * * * [progress]: generating series expansions
1.260 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 2 3 1 1)
1.260 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 6) in (x) around 0
1.260 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 6) in x
1.260 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs x)) in x
1.260 * [taylor]: Taking taylor expansion of 1.0 in x
1.260 * [taylor]: Taking taylor expansion of (fabs x) in x
1.260 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 6) in x
1.260 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs x)) in x
1.260 * [taylor]: Taking taylor expansion of 1.0 in x
1.260 * [taylor]: Taking taylor expansion of (fabs x) in x
1.277 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 6) in (x) around 0
1.277 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 6) in x
1.277 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ 1 x))) in x
1.277 * [taylor]: Taking taylor expansion of 1.0 in x
1.277 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x
1.277 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 6) in x
1.277 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ 1 x))) in x
1.277 * [taylor]: Taking taylor expansion of 1.0 in x
1.277 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x
1.293 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 6) in (x) around 0
1.293 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 6) in x
1.293 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ -1 x))) in x
1.293 * [taylor]: Taking taylor expansion of 1.0 in x
1.293 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x
1.293 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 6) in x
1.293 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ -1 x))) in x
1.293 * [taylor]: Taking taylor expansion of 1.0 in x
1.294 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x
1.311 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 1 2)
1.311 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 2 2)
1.311 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 4) in (x) around 0
1.311 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 4) in x
1.311 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs x)) in x
1.311 * [taylor]: Taking taylor expansion of 1.0 in x
1.311 * [taylor]: Taking taylor expansion of (fabs x) in x
1.311 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 4) in x
1.311 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs x)) in x
1.311 * [taylor]: Taking taylor expansion of 1.0 in x
1.311 * [taylor]: Taking taylor expansion of (fabs x) in x
1.322 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 4) in (x) around 0
1.323 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 4) in x
1.323 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ 1 x))) in x
1.323 * [taylor]: Taking taylor expansion of 1.0 in x
1.323 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x
1.323 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 4) in x
1.323 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ 1 x))) in x
1.323 * [taylor]: Taking taylor expansion of 1.0 in x
1.323 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x
1.335 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 4) in (x) around 0
1.335 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 4) in x
1.335 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ -1 x))) in x
1.335 * [taylor]: Taking taylor expansion of 1.0 in x
1.335 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x
1.335 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 4) in x
1.335 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ -1 x))) in x
1.335 * [taylor]: Taking taylor expansion of 1.0 in x
1.335 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x
1.346 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 3 2)
1.347 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 3) in (x) around 0
1.347 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 3) in x
1.347 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs x)) in x
1.347 * [taylor]: Taking taylor expansion of 1.0 in x
1.347 * [taylor]: Taking taylor expansion of (fabs x) in x
1.347 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs x)) 3) in x
1.347 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs x)) in x
1.347 * [taylor]: Taking taylor expansion of 1.0 in x
1.347 * [taylor]: Taking taylor expansion of (fabs x) in x
1.361 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 3) in (x) around 0
1.361 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 3) in x
1.361 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ 1 x))) in x
1.361 * [taylor]: Taking taylor expansion of 1.0 in x
1.361 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x
1.361 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ 1 x))) 3) in x
1.361 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ 1 x))) in x
1.361 * [taylor]: Taking taylor expansion of 1.0 in x
1.362 * [taylor]: Taking taylor expansion of (fabs (/ 1 x)) in x
1.373 * [approximate]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 3) in (x) around 0
1.373 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 3) in x
1.373 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ -1 x))) in x
1.373 * [taylor]: Taking taylor expansion of 1.0 in x
1.373 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x
1.373 * [taylor]: Taking taylor expansion of (pow (/ 1.0 (fabs (/ -1 x))) 3) in x
1.373 * [taylor]: Taking taylor expansion of (/ 1.0 (fabs (/ -1 x))) in x
1.373 * [taylor]: Taking taylor expansion of 1.0 in x
1.373 * [taylor]: Taking taylor expansion of (fabs (/ -1 x)) in x
1.384 * * * [progress]: simplifying candidates
1.386 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (pow (/ 1.0 (fabs x)) 6))
  (log1p (pow (/ 1.0 (fabs x)) 6))
  (* (- (log 1.0) (log (fabs x))) 6)
  (* (log (/ 1.0 (fabs x))) 6)
  (* (log (/ 1.0 (fabs x))) 6)
  (* 1 6)
  (pow (/ 1.0 (fabs x)) (* (cbrt 6) (cbrt 6)))
  (pow (/ 1.0 (fabs x)) (sqrt 6))
  (pow (/ 1.0 (fabs x)) 1)
  (pow (* (cbrt (/ 1.0 (fabs x))) (cbrt (/ 1.0 (fabs x)))) 6)
  (pow (cbrt (/ 1.0 (fabs x))) 6)
  (pow (sqrt (/ 1.0 (fabs x))) 6)
  (pow (sqrt (/ 1.0 (fabs x))) 6)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (fabs x)) (cbrt (fabs x)))) 6)
  (pow (/ (cbrt 1.0) (cbrt (fabs x))) 6)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (fabs x))) 6)
  (pow (/ (cbrt 1.0) (sqrt (fabs x))) 6)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) 1) 6)
  (pow (/ (cbrt 1.0) (fabs x)) 6)
  (pow (/ (sqrt 1.0) (* (cbrt (fabs x)) (cbrt (fabs x)))) 6)
  (pow (/ (sqrt 1.0) (cbrt (fabs x))) 6)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 6)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 6)
  (pow (/ (sqrt 1.0) 1) 6)
  (pow (/ (sqrt 1.0) (fabs x)) 6)
  (pow (/ 1 (* (cbrt (fabs x)) (cbrt (fabs x)))) 6)
  (pow (/ 1.0 (cbrt (fabs x))) 6)
  (pow (/ 1 (sqrt (fabs x))) 6)
  (pow (/ 1.0 (sqrt (fabs x))) 6)
  (pow (/ 1 1) 6)
  (pow (/ 1.0 (fabs x)) 6)
  (pow 1 6)
  (pow (/ 1.0 (fabs x)) 6)
  (pow 1.0 6)
  (pow (/ 1 (fabs x)) 6)
  (log (pow (/ 1.0 (fabs x)) 6))
  (exp (pow (/ 1.0 (fabs x)) 6))
  (* (cbrt (pow (/ 1.0 (fabs x)) 6)) (cbrt (pow (/ 1.0 (fabs x)) 6)))
  (cbrt (pow (/ 1.0 (fabs x)) 6))
  (* (* (pow (/ 1.0 (fabs x)) 6) (pow (/ 1.0 (fabs x)) 6)) (pow (/ 1.0 (fabs x)) 6))
  (sqrt (pow (/ 1.0 (fabs x)) 6))
  (sqrt (pow (/ 1.0 (fabs x)) 6))
  (pow (/ 1.0 (fabs x)) (/ 6 2))
  (pow (/ 1.0 (fabs x)) (/ 6 2))
  (expm1 (sqrt PI))
  (log1p (sqrt PI))
  (log (sqrt PI))
  (exp (sqrt PI))
  (* (cbrt (sqrt PI)) (cbrt (sqrt PI)))
  (cbrt (sqrt PI))
  (* (* (sqrt PI) (sqrt PI)) (sqrt PI))
  (sqrt (* (cbrt PI) (cbrt PI)))
  (sqrt (cbrt PI))
  (sqrt (sqrt PI))
  (sqrt (sqrt PI))
  (sqrt 1)
  (sqrt PI)
  (/ 1 2)
  (sqrt (sqrt PI))
  (sqrt (sqrt PI))
  (expm1 (pow (/ 1.0 (fabs x)) 4))
  (log1p (pow (/ 1.0 (fabs x)) 4))
  (* (- (log 1.0) (log (fabs x))) 4)
  (* (log (/ 1.0 (fabs x))) 4)
  (* (log (/ 1.0 (fabs x))) 4)
  (* 1 4)
  (pow (/ 1.0 (fabs x)) (* (cbrt 4) (cbrt 4)))
  (pow (/ 1.0 (fabs x)) (sqrt 4))
  (pow (/ 1.0 (fabs x)) 1)
  (pow (* (cbrt (/ 1.0 (fabs x))) (cbrt (/ 1.0 (fabs x)))) 4)
  (pow (cbrt (/ 1.0 (fabs x))) 4)
  (pow (sqrt (/ 1.0 (fabs x))) 4)
  (pow (sqrt (/ 1.0 (fabs x))) 4)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (fabs x)) (cbrt (fabs x)))) 4)
  (pow (/ (cbrt 1.0) (cbrt (fabs x))) 4)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (fabs x))) 4)
  (pow (/ (cbrt 1.0) (sqrt (fabs x))) 4)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) 1) 4)
  (pow (/ (cbrt 1.0) (fabs x)) 4)
  (pow (/ (sqrt 1.0) (* (cbrt (fabs x)) (cbrt (fabs x)))) 4)
  (pow (/ (sqrt 1.0) (cbrt (fabs x))) 4)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 4)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 4)
  (pow (/ (sqrt 1.0) 1) 4)
  (pow (/ (sqrt 1.0) (fabs x)) 4)
  (pow (/ 1 (* (cbrt (fabs x)) (cbrt (fabs x)))) 4)
  (pow (/ 1.0 (cbrt (fabs x))) 4)
  (pow (/ 1 (sqrt (fabs x))) 4)
  (pow (/ 1.0 (sqrt (fabs x))) 4)
  (pow (/ 1 1) 4)
  (pow (/ 1.0 (fabs x)) 4)
  (pow 1 4)
  (pow (/ 1.0 (fabs x)) 4)
  (pow 1.0 4)
  (pow (/ 1 (fabs x)) 4)
  (log (pow (/ 1.0 (fabs x)) 4))
  (exp (pow (/ 1.0 (fabs x)) 4))
  (* (cbrt (pow (/ 1.0 (fabs x)) 4)) (cbrt (pow (/ 1.0 (fabs x)) 4)))
  (cbrt (pow (/ 1.0 (fabs x)) 4))
  (* (* (pow (/ 1.0 (fabs x)) 4) (pow (/ 1.0 (fabs x)) 4)) (pow (/ 1.0 (fabs x)) 4))
  (sqrt (pow (/ 1.0 (fabs x)) 4))
  (sqrt (pow (/ 1.0 (fabs x)) 4))
  (pow (/ 1.0 (fabs x)) (/ 4 2))
  (pow (/ 1.0 (fabs x)) (/ 4 2))
  (expm1 (pow (/ 1.0 (fabs x)) 3))
  (log1p (pow (/ 1.0 (fabs x)) 3))
  (* (- (log 1.0) (log (fabs x))) 3)
  (* (log (/ 1.0 (fabs x))) 3)
  (* (log (/ 1.0 (fabs x))) 3)
  (* 1 3)
  (pow (/ 1.0 (fabs x)) (* (cbrt 3) (cbrt 3)))
  (pow (/ 1.0 (fabs x)) (sqrt 3))
  (pow (/ 1.0 (fabs x)) 1)
  (pow (* (cbrt (/ 1.0 (fabs x))) (cbrt (/ 1.0 (fabs x)))) 3)
  (pow (cbrt (/ 1.0 (fabs x))) 3)
  (pow (sqrt (/ 1.0 (fabs x))) 3)
  (pow (sqrt (/ 1.0 (fabs x))) 3)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (fabs x)) (cbrt (fabs x)))) 3)
  (pow (/ (cbrt 1.0) (cbrt (fabs x))) 3)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (fabs x))) 3)
  (pow (/ (cbrt 1.0) (sqrt (fabs x))) 3)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) 1) 3)
  (pow (/ (cbrt 1.0) (fabs x)) 3)
  (pow (/ (sqrt 1.0) (* (cbrt (fabs x)) (cbrt (fabs x)))) 3)
  (pow (/ (sqrt 1.0) (cbrt (fabs x))) 3)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 3)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 3)
  (pow (/ (sqrt 1.0) 1) 3)
  (pow (/ (sqrt 1.0) (fabs x)) 3)
  (pow (/ 1 (* (cbrt (fabs x)) (cbrt (fabs x)))) 3)
  (pow (/ 1.0 (cbrt (fabs x))) 3)
  (pow (/ 1 (sqrt (fabs x))) 3)
  (pow (/ 1.0 (sqrt (fabs x))) 3)
  (pow (/ 1 1) 3)
  (pow (/ 1.0 (fabs x)) 3)
  (pow 1 3)
  (pow (/ 1.0 (fabs x)) 3)
  (pow 1.0 3)
  (pow (/ 1 (fabs x)) 3)
  (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x)))
  (log (pow (/ 1.0 (fabs x)) 3))
  (exp (pow (/ 1.0 (fabs x)) 3))
  (* (cbrt (pow (/ 1.0 (fabs x)) 3)) (cbrt (pow (/ 1.0 (fabs x)) 3)))
  (cbrt (pow (/ 1.0 (fabs x)) 3))
  (* (* (pow (/ 1.0 (fabs x)) 3) (pow (/ 1.0 (fabs x)) 3)) (pow (/ 1.0 (fabs x)) 3))
  (pow (* (cbrt (/ 1.0 (fabs x))) (cbrt (/ 1.0 (fabs x)))) 3)
  (pow (cbrt (/ 1.0 (fabs x))) 3)
  (pow (sqrt (/ 1.0 (fabs x))) 3)
  (pow (sqrt (/ 1.0 (fabs x))) 3)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (fabs x)) (cbrt (fabs x)))) 3)
  (pow (/ (cbrt 1.0) (cbrt (fabs x))) 3)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (fabs x))) 3)
  (pow (/ (cbrt 1.0) (sqrt (fabs x))) 3)
  (pow (/ (* (cbrt 1.0) (cbrt 1.0)) 1) 3)
  (pow (/ (cbrt 1.0) (fabs x)) 3)
  (pow (/ (sqrt 1.0) (* (cbrt (fabs x)) (cbrt (fabs x)))) 3)
  (pow (/ (sqrt 1.0) (cbrt (fabs x))) 3)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 3)
  (pow (/ (sqrt 1.0) (sqrt (fabs x))) 3)
  (pow (/ (sqrt 1.0) 1) 3)
  (pow (/ (sqrt 1.0) (fabs x)) 3)
  (pow (/ 1 (* (cbrt (fabs x)) (cbrt (fabs x)))) 3)
  (pow (/ 1.0 (cbrt (fabs x))) 3)
  (pow (/ 1 (sqrt (fabs x))) 3)
  (pow (/ 1.0 (sqrt (fabs x))) 3)
  (pow (/ 1 1) 3)
  (pow (/ 1.0 (fabs x)) 3)
  (pow 1 3)
  (pow (/ 1.0 (fabs x)) 3)
  (pow 1.0 3)
  (pow (/ 1 (fabs x)) 3)
  (pow 1.0 3)
  (pow (fabs x) 3)
  (* (/ 1.0 (fabs x)) (/ 1.0 (fabs x)))
  (sqrt (pow (/ 1.0 (fabs x)) 3))
  (sqrt (pow (/ 1.0 (fabs x)) 3))
  (pow (/ 1.0 (fabs x)) (/ 3 2))
  (pow (/ 1.0 (fabs x)) (/ 3 2))
  (/ 1.0 (pow (fabs x) 6))
  (/ 1.0 (pow (fabs x) 6))
  (/ 1.0 (pow (fabs x) 6))
  (* (fma (/ 1.0 (fabs x)) (fma (/ 3.0 4.0) (pow (/ 1.0 (fabs x)) 4) (/ (* (pow (/ 1.0 (fabs x)) 6) 15.0) 8.0)) (fma (/ 1.0 2.0) (pow (/ 1.0 (fabs x)) 3) (/ 1.0 (fabs x)))) (* (/ 1.0 (sqrt PI)) (exp (* (fabs x) (fabs x)))))
  (/ 1.0 (pow (fabs x) 4))
  (/ 1.0 (pow (fabs x) 4))
  (/ 1.0 (pow (fabs x) 4))
  (/ 1.0 (pow (fabs x) 3))
  (/ 1.0 (pow (fabs x) 3))
  (/ 1.0 (pow (fabs x) 3))
1.392 * * [simplify]: iteration  0 :  207  enodes  (cost  1440 )