16.008 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.024 * [progress]: [Phase 2 of 3] Improving. 0.024 * [simplify]: Simplifying using # : (exp (- (- 1.0 (* x x)))) 0.027 * * [simplify]: iteration 0 : 11 enodes (cost 4 ) 0.028 * * [simplify]: iteration 1 : 25 enodes (cost 4 ) 0.029 * * [simplify]: iteration 2 : 49 enodes (cost 4 ) 0.031 * * [simplify]: iteration 3 : 96 enodes (cost 4 ) 0.033 * * [simplify]: iteration 4 : 253 enodes (cost 4 ) 0.036 * * [simplify]: iteration 5 : 821 enodes (cost 4 ) 0.048 * * [simplify]: iteration 6 : 3115 enodes (cost 4 ) 0.084 * * [simplify]: iteration 7 : 5001 enodes (cost 4 ) 0.085 * [simplify]: Simplified to: (exp (- (- 1.0 (* x x)))) 0.085 * * [progress]: iteration 1 / 4 0.085 * * * [progress]: picking best candidate 0.087 * * * * [pick]: Picked # 0.087 * * * [progress]: localizing error 0.093 * * * [progress]: generating rewritten candidates 0.093 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.098 * * * [progress]: generating series expansions 0.098 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.098 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0 0.098 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x 0.098 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x 0.098 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.099 * [taylor]: Taking taylor expansion of x in x 0.099 * [taylor]: Taking taylor expansion of 1.0 in x 0.100 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x 0.100 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x 0.100 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.100 * [taylor]: Taking taylor expansion of x in x 0.100 * [taylor]: Taking taylor expansion of 1.0 in x 0.117 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0 0.117 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.117 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.117 * [taylor]: Taking taylor expansion of x in x 0.117 * [taylor]: Taking taylor expansion of 1.0 in x 0.118 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.118 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.118 * [taylor]: Taking taylor expansion of x in x 0.118 * [taylor]: Taking taylor expansion of 1.0 in x 0.119 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0 0.119 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.119 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.119 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.119 * [taylor]: Taking taylor expansion of x in x 0.120 * [taylor]: Taking taylor expansion of 1.0 in x 0.120 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x 0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.120 * [taylor]: Taking taylor expansion of x in x 0.121 * [taylor]: Taking taylor expansion of 1.0 in x 0.121 * * * [progress]: simplifying candidates 0.122 * [simplify]: Simplifying using # : (expm1 (exp (- (- 1.0 (* x x))))) (log1p (exp (- (- 1.0 (* x x))))) (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 (- (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* x x))))) (exp (- (fma (- x) x (* x x)))) (exp (- (fma (sqrt 1.0) (sqrt 1.0) (- (* x x))))) (exp (- (fma (- x) x (* x x)))) (exp (- (fma 1 1.0 (- (* x x))))) (exp (- (fma (- x) x (* x 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)) 0.125 * * [simplify]: iteration 0 : 140 enodes (cost 176 ) 0.128 * * [simplify]: iteration 1 : 392 enodes (cost 156 ) 0.135 * * [simplify]: iteration 2 : 1701 enodes (cost 140 ) 0.179 * * [simplify]: iteration 3 : 5001 enodes (cost 133 ) 0.180 * [simplify]: Simplified to: (expm1 (exp (- (- 1.0 (* x x))))) (log1p (exp (- (- 1.0 (* x x))))) (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 (- (pow x 2) 1.0)) 1 (exp (- (pow x 2) 1.0)) 1 (exp (- (pow x 2) 1.0)) 1 (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) (exp (exp (- (- 1.0 (* x x))))) (* (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) (fma 1/2 (pow x 4) 1))) (exp (- (pow x 2) 1.0)) (exp (- (pow x 2) 1.0)) 0.180 * * * [progress]: adding candidates to table 0.230 * * [progress]: iteration 2 / 4 0.230 * * * [progress]: picking best candidate 0.231 * * * * [pick]: Picked # 0.231 * * * [progress]: localizing error 0.237 * * * [progress]: generating rewritten candidates 0.237 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.243 * * * [progress]: generating series expansions 0.243 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.243 * [approximate]: Taking taylor expansion of (pow E (- (pow x 2) 1.0)) in (x) around 0 0.243 * [taylor]: Taking taylor expansion of (pow E (- (pow x 2) 1.0)) in x 0.243 * [taylor]: Taking taylor expansion of (exp (* (- (pow x 2) 1.0) (log E))) in x 0.243 * [taylor]: Taking taylor expansion of (* (- (pow x 2) 1.0) (log E)) in x 0.243 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x 0.243 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.243 * [taylor]: Taking taylor expansion of x in x 0.243 * [taylor]: Taking taylor expansion of 1.0 in x 0.243 * [taylor]: Taking taylor expansion of (log E) in x 0.243 * [taylor]: Taking taylor expansion of E in x 0.245 * [taylor]: Taking taylor expansion of (pow E (- (pow x 2) 1.0)) in x 0.245 * [taylor]: Taking taylor expansion of (exp (* (- (pow x 2) 1.0) (log E))) in x 0.245 * [taylor]: Taking taylor expansion of (* (- (pow x 2) 1.0) (log E)) in x 0.245 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x 0.245 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.245 * [taylor]: Taking taylor expansion of x in x 0.245 * [taylor]: Taking taylor expansion of 1.0 in x 0.245 * [taylor]: Taking taylor expansion of (log E) in x 0.245 * [taylor]: Taking taylor expansion of E in x 0.275 * [approximate]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in (x) around 0 0.275 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x 0.275 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x 0.275 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x 0.275 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.275 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.275 * [taylor]: Taking taylor expansion of x in x 0.276 * [taylor]: Taking taylor expansion of 1.0 in x 0.276 * [taylor]: Taking taylor expansion of (log E) in x 0.276 * [taylor]: Taking taylor expansion of E in x 0.276 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x 0.276 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x 0.277 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x 0.277 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.277 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.277 * [taylor]: Taking taylor expansion of x in x 0.277 * [taylor]: Taking taylor expansion of 1.0 in x 0.277 * [taylor]: Taking taylor expansion of (log E) in x 0.277 * [taylor]: Taking taylor expansion of E in x 0.278 * [approximate]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in (x) around 0 0.278 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x 0.278 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x 0.278 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x 0.278 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.278 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.278 * [taylor]: Taking taylor expansion of x in x 0.279 * [taylor]: Taking taylor expansion of 1.0 in x 0.279 * [taylor]: Taking taylor expansion of (log E) in x 0.279 * [taylor]: Taking taylor expansion of E in x 0.279 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x 0.279 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x 0.279 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x 0.279 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x 0.279 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.279 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.279 * [taylor]: Taking taylor expansion of x in x 0.280 * [taylor]: Taking taylor expansion of 1.0 in x 0.280 * [taylor]: Taking taylor expansion of (log E) in x 0.280 * [taylor]: Taking taylor expansion of E in x 0.281 * * * [progress]: simplifying candidates 0.282 * [simplify]: Simplifying using # : (expm1 (pow E (- (- 1.0 (* x x))))) (log1p (pow E (- (- 1.0 (* x x))))) (* 1 (- (- 1.0 (* x x)))) (* (log E) (- (- 1.0 (* x x)))) (* (log E) (- (- 1.0 (* x x)))) (* 1 (- (- 1.0 (* x x)))) (pow E (- 1.0 (* x x))) (pow E 0) (pow E (- 1.0 (* x x))) (pow E (* (cbrt (- (- 1.0 (* x x)))) (cbrt (- (- 1.0 (* x x)))))) (pow E (sqrt (- (- 1.0 (* x x))))) (pow E 1) (pow E -1) (pow E (- (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))) (pow E (- (sqrt (- 1.0 (* x x))))) (pow E (- 1)) (pow E (- (+ (sqrt 1.0) x))) (pow E (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (pow E (sqrt (- 1.0 (* x x)))) (pow E 1) (pow E (+ (sqrt 1.0) x)) (pow E (- (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* x x))))) (pow E (- (fma (- x) x (* x x)))) (pow E (- (fma (sqrt 1.0) (sqrt 1.0) (- (* x x))))) (pow E (- (fma (- x) x (* x x)))) (pow E (- (fma 1 1.0 (- (* x x))))) (pow E (- (fma (- x) x (* x x)))) (pow E (- 1.0)) (pow E (- (- (* x x)))) (pow E (- 1.0)) (pow E (- (- (* x x)))) (pow (* (cbrt E) (cbrt E)) (- (- 1.0 (* x x)))) (pow (cbrt E) (- (- 1.0 (* x x)))) (pow (sqrt E) (- (- 1.0 (* x x)))) (pow (sqrt E) (- (- 1.0 (* x x)))) (pow 1 (- (- 1.0 (* x x)))) (pow E (- (- 1.0 (* x x)))) (log (pow E (- (- 1.0 (* x x))))) (exp (pow E (- (- 1.0 (* x x))))) (* (cbrt (pow E (- (- 1.0 (* x x))))) (cbrt (pow E (- (- 1.0 (* x x)))))) (cbrt (pow E (- (- 1.0 (* x x))))) (* (* (pow E (- (- 1.0 (* x x)))) (pow E (- (- 1.0 (* x x))))) (pow E (- (- 1.0 (* x x))))) (sqrt (pow E (- (- 1.0 (* x x))))) (sqrt (pow E (- (- 1.0 (* x x))))) (pow E (/ (- (- 1.0 (* x x))) 2)) (pow E (/ (- (- 1.0 (* x x))) 2)) (+ (* 1/2 (* (exp -1.0) (pow x 4))) (+ (exp -1.0) (* (exp -1.0) (pow x 2)))) (exp (- (pow x 2) 1.0)) (exp (- (pow x 2) 1.0)) 0.285 * * [simplify]: iteration 0 : 208 enodes (cost 222 ) 0.290 * * [simplify]: iteration 1 : 725 enodes (cost 207 ) 0.303 * * [simplify]: iteration 2 : 2996 enodes (cost 180 ) 0.376 * * [simplify]: iteration 3 : 5002 enodes (cost 171 ) 0.378 * [simplify]: Simplified to: (expm1 (pow E (- (- 1.0 (* x x))))) (log1p (pow E (- (- 1.0 (* x x))))) (- (pow x 2) 1.0) (- (pow x 2) 1.0) (- (pow x 2) 1.0) (- (pow x 2) 1.0) (pow E (- 1.0 (* x x))) 1 (pow E (- 1.0 (* x x))) (pow E (* (cbrt (- (- 1.0 (* x x)))) (cbrt (- (- 1.0 (* x x)))))) (pow E (sqrt (- (- 1.0 (* x x))))) E (pow E -1) (pow E (- (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))) (pow E (- (sqrt (- 1.0 (* x x))))) (pow E -1) (pow E (- (+ (sqrt 1.0) x))) (pow E (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (pow E (sqrt (- 1.0 (* x x)))) E (pow E (+ (sqrt 1.0) x)) (exp (- (pow x 2) 1.0)) 1 (exp (- (pow x 2) 1.0)) 1 (exp (- (pow x 2) 1.0)) 1 (exp (- 1.0)) (pow E (- (- (* x x)))) (exp (- 1.0)) (pow E (- (- (* x x)))) (pow (* (cbrt E) (cbrt E)) (- (pow x 2) 1.0)) (pow (cbrt E) (- (pow x 2) 1.0)) (pow E (/ (- (pow x 2) 1.0) 2)) (pow E (/ (- (pow x 2) 1.0) 2)) 1 (exp (- (pow x 2) 1.0)) (- (pow x 2) 1.0) (exp (pow E (- (- 1.0 (* x x))))) (* (cbrt (pow E (- (- 1.0 (* x x))))) (cbrt (pow E (- (- 1.0 (* x x)))))) (cbrt (pow E (- (- 1.0 (* x x))))) (pow (exp (- (pow x 2) 1.0)) 3) (pow E (/ (- (pow x 2) 1.0) 2)) (pow E (/ (- (pow x 2) 1.0) 2)) (pow E (/ (- (pow x 2) 1.0) 2)) (pow E (/ (- (pow x 2) 1.0) 2)) (* (exp -1.0) (+ (* 1/2 (pow x 4)) (fma x x 1))) (exp (- (pow x 2) 1.0)) (exp (- (pow x 2) 1.0)) 0.378 * * * [progress]: adding candidates to table 0.425 * [progress]: [Phase 3 of 3] Extracting. 0.425 * * [regime]: Finding splitpoints for: (# #) 0.425 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- 1.0 (* x x)) (- (- 1.0 (* x x))) (exp (- (- 1.0 (* x x)))) x) 0.425 * * * * [regimes]: Trying to branch on (* x x) from (# #) 0.436 * * * * [regimes]: Trying to branch on (- 1.0 (* x x)) from (# #) 0.443 * * * * [regimes]: Trying to branch on (- (- 1.0 (* x x))) from (# #) 0.451 * * * * [regimes]: Trying to branch on (exp (- (- 1.0 (* x x)))) from (# #) 0.461 * * * * [regimes]: Trying to branch on x from (# #) 0.470 * * * [regime]: Found split indices: #