3.529 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.032 * * * [progress]: [2/2] Setting up program. 0.034 * [progress]: [Phase 2 of 3] Improving. 0.034 * [simplify]: Simplifying using # : (exp (- (- 1.0 (* x x)))) 0.036 * * [simplify]: iteration 0 : 11 enodes (cost 4 ) 0.037 * * [simplify]: iteration 1 : 25 enodes (cost 4 ) 0.039 * * [simplify]: iteration 2 : 47 enodes (cost 4 ) 0.040 * * [simplify]: iteration 3 : 90 enodes (cost 4 ) 0.042 * * [simplify]: iteration 4 : 239 enodes (cost 4 ) 0.046 * * [simplify]: iteration 5 : 805 enodes (cost 4 ) 0.058 * * [simplify]: iteration 6 : 3072 enodes (cost 4 ) 0.094 * * [simplify]: iteration 7 : 5003 enodes (cost 4 ) 0.095 * [simplify]: Simplified to: (exp (- (- 1.0 (* x x)))) 0.095 * * [progress]: iteration 1 / 4 0.095 * * * [progress]: picking best candidate 0.097 * * * * [pick]: Picked # 0.097 * * * [progress]: localizing error 0.102 * * * [progress]: generating rewritten candidates 0.102 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.114 * * * [progress]: generating series expansions 0.114 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.114 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0 0.114 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x 0.114 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x 0.114 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.114 * [taylor]: Taking taylor expansion of x in x 0.114 * [taylor]: Taking taylor expansion of 1.0 in x 0.115 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x 0.115 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x 0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.115 * [taylor]: Taking taylor expansion of x in x 0.115 * [taylor]: Taking taylor expansion of 1.0 in x 0.137 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0 0.137 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.137 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.137 * [taylor]: Taking taylor expansion of x in x 0.137 * [taylor]: Taking taylor expansion of 1.0 in x 0.138 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.138 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.138 * [taylor]: Taking taylor expansion of x in x 0.138 * [taylor]: Taking taylor expansion of 1.0 in x 0.139 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0 0.139 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.139 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.139 * [taylor]: Taking taylor expansion of x in x 0.140 * [taylor]: Taking taylor expansion of 1.0 in x 0.140 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.140 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.140 * [taylor]: Taking taylor expansion of x in x 0.141 * [taylor]: Taking taylor expansion of 1.0 in x 0.141 * * * [progress]: simplifying candidates 0.142 * [simplify]: Simplifying using # : (exp (* (cbrt (- (- 1.0 (* x x)))) (cbrt (- (- 1.0 (* x x)))))) (exp (sqrt (- (- 1.0 (* x x))))) (exp 1) (exp -1) (exp (- (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))) (exp (- (sqrt (- 1.0 (* x x))))) (exp (- 1)) (exp (- (+ (sqrt 1.0) x))) (exp (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (exp (sqrt (- 1.0 (* x x)))) (exp 1) (exp (+ (sqrt 1.0) x)) (exp (- 1.0)) (exp (- (- (* x x)))) (exp (- 1.0)) (exp (- (- (* x x)))) (exp (- 1.0 (* x x))) (exp 0) (exp (- 1.0 (* x x))) (log (exp (- (- 1.0 (* x x))))) (exp (exp (- (- 1.0 (* x x))))) (* (cbrt (exp (- (- 1.0 (* x x))))) (cbrt (exp (- (- 1.0 (* x x)))))) (cbrt (exp (- (- 1.0 (* x x))))) (* (* (exp (- (- 1.0 (* x x)))) (exp (- (- 1.0 (* x x))))) (exp (- (- 1.0 (* x x))))) (sqrt (exp (- (- 1.0 (* x x))))) (sqrt (exp (- (- 1.0 (* x x))))) (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0)))))) (exp (- (pow x 2) 1.0)) (exp (- (pow x 2) 1.0)) 0.145 * * [simplify]: iteration 0 : 108 enodes (cost 131 ) 0.147 * * [simplify]: iteration 1 : 298 enodes (cost 119 ) 0.152 * * [simplify]: iteration 2 : 1348 enodes (cost 116 ) 0.185 * * [simplify]: iteration 3 : 5001 enodes (cost 114 ) 0.186 * [simplify]: Simplified to: (exp (* (cbrt (- (- 1.0 (* x x)))) (cbrt (- (- 1.0 (* x x)))))) (exp (sqrt (- (- 1.0 (* x x))))) E (exp -1) (exp (- (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))) (exp (- (sqrt (- 1.0 (* x x))))) (exp -1) (exp (- (+ (sqrt 1.0) x))) (exp (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (exp (sqrt (- 1.0 (* x x)))) E (exp (+ (sqrt 1.0) x)) (exp (- 1.0)) (exp (pow x 2)) (exp (- 1.0)) (exp (pow x 2)) (exp (- 1.0 (* x x))) 1 (exp (- 1.0 (* x x))) (- (pow x 2) 1.0) (pow E (exp (- (pow x 2) 1.0))) (* (cbrt (exp (- (- 1.0 (* x x))))) (cbrt (exp (- (- 1.0 (* x x)))))) (cbrt (exp (- (- 1.0 (* x x))))) (pow (exp 3) (- (pow x 2) 1.0)) (sqrt (exp (- (- 1.0 (* x x))))) (sqrt (exp (- (- 1.0 (* x x))))) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (exp (- (pow x 2) 1.0)) (exp (- (pow x 2) 1.0)) 0.187 * * * [progress]: adding candidates to table 0.236 * * [progress]: iteration 2 / 4 0.236 * * * [progress]: picking best candidate 0.239 * * * * [pick]: Picked # 0.239 * * * [progress]: localizing error 0.246 * * * [progress]: generating rewritten candidates 0.246 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.250 * * * [progress]: generating series expansions 0.250 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.251 * [approximate]: Taking taylor expansion of (pow (exp -1) (- 1.0 (pow x 2))) in (x) around 0 0.251 * [taylor]: Taking taylor expansion of (pow (exp -1) (- 1.0 (pow x 2))) in x 0.251 * [taylor]: Taking taylor expansion of (exp (* (- 1.0 (pow x 2)) (log (exp -1)))) in x 0.251 * [taylor]: Taking taylor expansion of (* (- 1.0 (pow x 2)) (log (exp -1))) in x 0.251 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x 0.251 * [taylor]: Taking taylor expansion of 1.0 in x 0.251 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.251 * [taylor]: Taking taylor expansion of x in x 0.251 * [taylor]: Taking taylor expansion of (log (exp -1)) in x 0.251 * [taylor]: Taking taylor expansion of (exp -1) in x 0.251 * [taylor]: Taking taylor expansion of -1 in x 0.253 * [taylor]: Taking taylor expansion of (pow (exp -1) (- 1.0 (pow x 2))) in x 0.253 * [taylor]: Taking taylor expansion of (exp (* (- 1.0 (pow x 2)) (log (exp -1)))) in x 0.253 * [taylor]: Taking taylor expansion of (* (- 1.0 (pow x 2)) (log (exp -1))) in x 0.253 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x 0.253 * [taylor]: Taking taylor expansion of 1.0 in x 0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.253 * [taylor]: Taking taylor expansion of x in x 0.253 * [taylor]: Taking taylor expansion of (log (exp -1)) in x 0.253 * [taylor]: Taking taylor expansion of (exp -1) in x 0.253 * [taylor]: Taking taylor expansion of -1 in x 0.291 * [approximate]: Taking taylor expansion of (pow (exp -1) (- 1.0 (/ 1 (pow x 2)))) in (x) around 0 0.291 * [taylor]: Taking taylor expansion of (pow (exp -1) (- 1.0 (/ 1 (pow x 2)))) in x 0.291 * [taylor]: Taking taylor expansion of (exp (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1)))) in x 0.291 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1))) in x 0.291 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x 0.291 * [taylor]: Taking taylor expansion of 1.0 in x 0.291 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.291 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.291 * [taylor]: Taking taylor expansion of x in x 0.291 * [taylor]: Taking taylor expansion of (log (exp -1)) in x 0.291 * [taylor]: Taking taylor expansion of (exp -1) in x 0.291 * [taylor]: Taking taylor expansion of -1 in x 0.293 * [taylor]: Taking taylor expansion of (pow (exp -1) (- 1.0 (/ 1 (pow x 2)))) in x 0.293 * [taylor]: Taking taylor expansion of (exp (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1)))) in x 0.294 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1))) in x 0.294 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x 0.294 * [taylor]: Taking taylor expansion of 1.0 in x 0.294 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.294 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.294 * [taylor]: Taking taylor expansion of x in x 0.294 * [taylor]: Taking taylor expansion of (log (exp -1)) in x 0.294 * [taylor]: Taking taylor expansion of (exp -1) in x 0.294 * [taylor]: Taking taylor expansion of -1 in x 0.297 * [approximate]: Taking taylor expansion of (pow (exp -1) (- 1.0 (/ 1 (pow x 2)))) in (x) around 0 0.297 * [taylor]: Taking taylor expansion of (pow (exp -1) (- 1.0 (/ 1 (pow x 2)))) in x 0.297 * [taylor]: Taking taylor expansion of (exp (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1)))) in x 0.297 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1))) in x 0.297 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x 0.297 * [taylor]: Taking taylor expansion of 1.0 in x 0.297 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.297 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.297 * [taylor]: Taking taylor expansion of x in x 0.298 * [taylor]: Taking taylor expansion of (log (exp -1)) in x 0.298 * [taylor]: Taking taylor expansion of (exp -1) in x 0.298 * [taylor]: Taking taylor expansion of -1 in x 0.300 * [taylor]: Taking taylor expansion of (pow (exp -1) (- 1.0 (/ 1 (pow x 2)))) in x 0.300 * [taylor]: Taking taylor expansion of (exp (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1)))) in x 0.300 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 (pow x 2))) (log (exp -1))) in x 0.300 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x 0.300 * [taylor]: Taking taylor expansion of 1.0 in x 0.300 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.300 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.300 * [taylor]: Taking taylor expansion of x in x 0.301 * [taylor]: Taking taylor expansion of (log (exp -1)) in x 0.301 * [taylor]: Taking taylor expansion of (exp -1) in x 0.301 * [taylor]: Taking taylor expansion of -1 in x 0.303 * * * [progress]: simplifying candidates 0.304 * [simplify]: Simplifying using # : (* -1 (- 1.0 (* x x))) (* (log (exp -1)) (- 1.0 (* x x))) (* 1 (- 1.0 (* x x))) (* (cbrt -1) (- 1.0 (* x x))) (* (sqrt -1) (- 1.0 (* x x))) (* -1 (- 1.0 (* x x))) (pow (exp -1) 1.0) (pow (exp -1) (* x x)) (pow (exp -1) (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (pow (exp -1) (sqrt (- 1.0 (* x x)))) (pow (exp -1) 1) (pow (exp -1) (+ (sqrt 1.0) x)) (pow (exp -1) 1.0) (pow (exp -1) (- (* x x))) (pow (exp -1) 1.0) (pow (exp -1) (- (* x x))) (pow (* (cbrt (exp -1)) (cbrt (exp -1))) (- 1.0 (* x x))) (pow (cbrt (exp -1)) (- 1.0 (* x x))) (pow (sqrt (exp -1)) (- 1.0 (* x x))) (pow (sqrt (exp -1)) (- 1.0 (* x x))) (pow 1 (- 1.0 (* x x))) (pow (exp -1) (- 1.0 (* x x))) (log (pow (exp -1) (- 1.0 (* x x)))) (exp (pow (exp -1) (- 1.0 (* x x)))) (* (cbrt (pow (exp -1) (- 1.0 (* x x)))) (cbrt (pow (exp -1) (- 1.0 (* x x))))) (cbrt (pow (exp -1) (- 1.0 (* x x)))) (* (* (pow (exp -1) (- 1.0 (* x x))) (pow (exp -1) (- 1.0 (* x x)))) (pow (exp -1) (- 1.0 (* x x)))) (sqrt (pow (exp -1) (- 1.0 (* x x)))) (sqrt (pow (exp -1) (- 1.0 (* x x)))) (pow (exp -1) (/ (- 1.0 (* x x)) 2)) (pow (exp -1) (/ (- 1.0 (* x x)) 2)) (+ (* 1/2 (* (exp -1.0) (pow x 4))) (+ (exp -1.0) (* (exp -1.0) (pow x 2)))) (exp (* -1 (- 1.0 (pow x 2)))) (exp (* -1 (- 1.0 (pow x 2)))) 0.307 * * [simplify]: iteration 0 : 130 enodes (cost 154 ) 0.309 * * [simplify]: iteration 1 : 456 enodes (cost 149 ) 0.317 * * [simplify]: iteration 2 : 2017 enodes (cost 146 ) 0.365 * * [simplify]: iteration 3 : 5002 enodes (cost 142 ) 0.366 * [simplify]: Simplified to: (* -1 (- 1.0 (* x x))) (* -1 (- 1.0 (* x x))) (- 1.0 (* x x)) (* (cbrt -1) (- 1.0 (* x x))) (* (sqrt -1) (- 1.0 (* x x))) (* -1 (- 1.0 (* x x))) (exp (* -1 1.0)) (pow (exp -1) (* x x)) (pow (exp -1) (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (pow (exp -1) (sqrt (- 1.0 (* x x)))) (exp -1) (pow (exp -1) (+ (sqrt 1.0) x)) (exp (* -1 1.0)) (exp (pow x 2)) (exp (* -1 1.0)) (exp (pow x 2)) (pow (* (cbrt (exp -1)) (cbrt (exp -1))) (- 1.0 (* x x))) (pow (cbrt (exp -1)) (- 1.0 (* x x))) (pow (sqrt (exp -1)) (- 1.0 (* x x))) (pow (sqrt (exp -1)) (- 1.0 (* x x))) 1 (exp (* -1 (- 1.0 (pow x 2)))) (* -1 (- 1.0 (* x x))) (exp (pow (exp -1) (- 1.0 (* x x)))) (* (cbrt (pow (exp -1) (- 1.0 (* x x)))) (cbrt (pow (exp -1) (- 1.0 (* x x))))) (cbrt (pow (exp -1) (- 1.0 (* x x)))) (pow (exp (* -1 (- 1.0 (pow x 2)))) 3) (sqrt (pow (exp -1) (- 1.0 (* x x)))) (sqrt (pow (exp -1) (- 1.0 (* x x)))) (pow (exp -1) (/ (- 1.0 (* x x)) 2)) (pow (exp -1) (/ (- 1.0 (* x x)) 2)) (* (exp -1.0) (+ (* 1/2 (pow x 4)) (+ (pow x 2) 1))) (exp (* -1 (- 1.0 (pow x 2)))) (exp (* -1 (- 1.0 (pow x 2)))) 0.366 * * * [progress]: adding candidates to table 0.419 * * [progress]: iteration 3 / 4 0.419 * * * [progress]: picking best candidate 0.420 * * * * [pick]: Picked # 0.420 * * * [progress]: localizing error 0.431 * * * [progress]: generating rewritten candidates 0.431 * * * [progress]: generating series expansions 0.431 * * * [progress]: simplifying candidates 0.431 * [simplify]: Simplifying using # : 0.433 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.433 * [simplify]: Simplified to: 0.433 * * * [progress]: adding candidates to table 0.434 * [progress]: [Phase 3 of 3] Extracting. 0.436 * [simplify]: Simplifying using # : (/ (exp (* -1 1.0)) (pow (exp -1) (* x x))) 0.436 * * [simplify]: iteration 0 : 11 enodes (cost 6 ) 0.436 * * [simplify]: iteration 1 : 11 enodes (cost 6 ) 0.436 * [simplify]: Simplified to: (/ (exp (* -1 1.0)) (pow (exp -1) (* x x))) 1.567 * [regime-testing]: End program error score: 0.021256802740673462