7.641 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.074 * * * [progress]: [2/2] Setting up program. 0.077 * [progress]: [Phase 2 of 3] Improving. 0.077 * [simplify]: Simplifying using # : (/ (- (exp x) (exp (- x))) 2.0) 0.079 * * [simplify]: iteration 0 : 14 enodes (cost 5 ) 0.081 * * [simplify]: iteration 1 : 23 enodes (cost 5 ) 0.082 * * [simplify]: iteration 2 : 31 enodes (cost 5 ) 0.083 * * [simplify]: iteration 3 : 36 enodes (cost 5 ) 0.085 * * [simplify]: iteration 4 : 41 enodes (cost 5 ) 0.086 * * [simplify]: iteration 5 : 65 enodes (cost 5 ) 0.088 * * [simplify]: iteration 6 : 108 enodes (cost 5 ) 0.091 * * [simplify]: iteration 7 : 267 enodes (cost 5 ) 0.100 * * [simplify]: iteration 8 : 1342 enodes (cost 5 ) 0.300 * * [simplify]: iteration 9 : 5001 enodes (cost 5 ) 0.301 * [simplify]: Simplified to: (/ (- (exp x) (exp (- x))) 2.0) 0.302 * * [progress]: iteration 1 / 4 0.302 * * * [progress]: picking best candidate 0.303 * * * * [pick]: Picked # 0.303 * * * [progress]: localizing error 0.309 * * * [progress]: generating rewritten candidates 0.309 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.316 * * * [progress]: generating series expansions 0.316 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.316 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0 0.316 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 0.316 * [taylor]: Taking taylor expansion of (exp x) in x 0.316 * [taylor]: Taking taylor expansion of x in x 0.316 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.316 * [taylor]: Taking taylor expansion of (- x) in x 0.316 * [taylor]: Taking taylor expansion of x in x 0.316 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 0.316 * [taylor]: Taking taylor expansion of (exp x) in x 0.317 * [taylor]: Taking taylor expansion of x in x 0.317 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.317 * [taylor]: Taking taylor expansion of (- x) in x 0.317 * [taylor]: Taking taylor expansion of x in x 0.344 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0 0.344 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.344 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.344 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.344 * [taylor]: Taking taylor expansion of x in x 0.344 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.344 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.344 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.344 * [taylor]: Taking taylor expansion of x in x 0.345 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.345 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.345 * [taylor]: Taking taylor expansion of x in x 0.345 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.345 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.345 * [taylor]: Taking taylor expansion of x in x 0.349 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0 0.349 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x 0.349 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.349 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.349 * [taylor]: Taking taylor expansion of -1 in x 0.349 * [taylor]: Taking taylor expansion of x in x 0.349 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.349 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.349 * [taylor]: Taking taylor expansion of x in x 0.349 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x 0.349 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.349 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.350 * [taylor]: Taking taylor expansion of -1 in x 0.350 * [taylor]: Taking taylor expansion of x in x 0.350 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.350 * [taylor]: Taking taylor expansion of x in x 0.353 * * * [progress]: simplifying candidates 0.354 * [simplify]: Simplifying using # : (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x))))))) (fma (- (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))))) (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt (exp (- x))) (sqrt (exp (- x)))))) (fma (- (sqrt (exp (- x)))) (sqrt (exp (- x))) (* (sqrt (exp (- x))) (sqrt (exp (- x))))) (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (exp (- x)) 1))) (fma (- (exp (- x))) 1 (* (exp (- x)) 1)) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x))))))) (fma (- (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))))) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt (exp (- x))) (sqrt (exp (- x)))))) (fma (- (sqrt (exp (- x)))) (sqrt (exp (- x))) (* (sqrt (exp (- x))) (sqrt (exp (- x))))) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (exp (- x)) 1))) (fma (- (exp (- x))) 1 (* (exp (- x)) 1)) (fma 1 (exp x) (- (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x))))))) (fma (- (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))))) (fma 1 (exp x) (- (* (sqrt (exp (- x))) (sqrt (exp (- x)))))) (fma (- (sqrt (exp (- x)))) (sqrt (exp (- x))) (* (sqrt (exp (- x))) (sqrt (exp (- x))))) (fma 1 (exp x) (- (* (exp (- x)) 1))) (fma (- (exp (- x))) 1 (* (exp (- x)) 1)) (expm1 (- (exp x) (exp (- x)))) (log1p (- (exp x) (exp (- x)))) (- (exp (- x))) (- (exp (- x))) (- (exp (- x))) (/ (exp (exp x)) (exp (exp (- x)))) (log (- (exp x) (exp (- x)))) (exp (- (exp x) (exp (- x)))) (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x)))) (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (sqrt (- (exp x) (exp (- x)))) (sqrt (- (exp x) (exp (- x)))) (- (pow (exp x) 3) (pow (exp (- x)) 3)) (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x))))) (- (exp (- x))) (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))) (+ (exp x) (exp (- x))) (+ (sqrt (exp x)) (sqrt (exp (- x)))) (- (sqrt (exp x)) (sqrt (exp (- x)))) (- (exp x) (exp (- x))) (- (exp (- x))) (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (- (exp x) (exp (- x))) (- (exp x) (exp (* -1 x))) 0.358 * * [simplify]: iteration 0 : 158 enodes (cost 354 ) 0.361 * * [simplify]: iteration 1 : 416 enodes (cost 228 ) 0.371 * * [simplify]: iteration 2 : 2421 enodes (cost 226 ) 0.465 * * [simplify]: iteration 3 : 5002 enodes (cost 203 ) 0.467 * [simplify]: Simplified to: (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (- (exp x) (exp (- x))) (* (exp (- x)) (+ (- 1) 1)) (expm1 (- (exp x) (exp (- x)))) (log1p (- (exp x) (exp (- x)))) (- (exp (- x))) (- (exp (- x))) (- (exp (- x))) (exp (- (exp x) (exp (- x)))) (log (- (exp x) (exp (- x)))) (exp (- (exp x) (exp (- x)))) (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x)))) (pow (- (exp x) (exp (* -1 x))) 3) (sqrt (- (exp x) (exp (- x)))) (sqrt (- (exp x) (exp (- x)))) (- (pow (exp x) 3) (pow (exp (- x)) 3)) (+ (+ 1 (exp (+ x x))) (pow (exp x) -2)) (- (exp (- x))) (fma (- 1) (pow (exp x) -2) (exp (+ x x))) (+ (exp x) (exp (- x))) (+ (sqrt (exp x)) (sqrt (exp (- x)))) (- (sqrt (exp x)) (sqrt (exp (- x)))) (- (exp x) (exp (- x))) (- (exp (- x))) (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) (- (exp x) (exp (- x))) (- (exp x) (exp (- x))) 0.467 * * * [progress]: adding candidates to table 0.523 * * [progress]: iteration 2 / 4 0.523 * * * [progress]: picking best candidate 0.525 * * * * [pick]: Picked # 0.525 * * * [progress]: localizing error 0.536 * * * [progress]: generating rewritten candidates 0.536 * * * [progress]: generating series expansions 0.536 * * * [progress]: simplifying candidates 0.536 * [simplify]: Simplifying using # : 0.538 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.538 * [simplify]: Simplified to: 0.539 * * * [progress]: adding candidates to table 0.539 * [progress]: [Phase 3 of 3] Extracting. 0.541 * [simplify]: Simplifying using # : (/ (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 2.0) 0.542 * * [simplify]: iteration 0 : 14 enodes (cost 6 ) 0.543 * * [simplify]: iteration 1 : 14 enodes (cost 6 ) 0.543 * [simplify]: Simplified to: (/ (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x))) 2.0) 2.882 * [regime-testing]: End program error score: 0.5564086754698838