7.021 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.011 * * * [progress]: [2/2] Setting up program. 0.013 * [progress]: [Phase 2 of 3] Improving. 0.013 * [simplify]: Simplifying using # : (/ 2.0 (+ (exp x) (exp (- x)))) 0.015 * * [simplify]: iteration 0 : 10 enodes (cost 5 ) 0.017 * * [simplify]: iteration 1 : 12 enodes (cost 5 ) 0.018 * * [simplify]: iteration 2 : 14 enodes (cost 5 ) 0.019 * * [simplify]: iteration 3 : 15 enodes (cost 5 ) 0.020 * * [simplify]: iteration 4 : 20 enodes (cost 5 ) 0.022 * * [simplify]: iteration 5 : 41 enodes (cost 5 ) 0.023 * * [simplify]: iteration 6 : 66 enodes (cost 5 ) 0.025 * * [simplify]: iteration 7 : 165 enodes (cost 5 ) 0.032 * * [simplify]: iteration 8 : 1123 enodes (cost 5 ) 0.224 * * [simplify]: iteration 9 : 5001 enodes (cost 5 ) 0.226 * [simplify]: Simplified to: (/ 2.0 (+ (exp x) (exp (- x)))) 0.226 * * [progress]: iteration 1 / 4 0.226 * * * [progress]: picking best candidate 0.228 * * * * [pick]: Picked # 0.228 * * * [progress]: localizing error 0.234 * * * [progress]: generating rewritten candidates 0.234 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.241 * * * [progress]: generating series expansions 0.241 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.241 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in (x) around 0 0.241 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 0.241 * [taylor]: Taking taylor expansion of 2.0 in x 0.241 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.241 * [taylor]: Taking taylor expansion of (exp x) in x 0.241 * [taylor]: Taking taylor expansion of x in x 0.241 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.241 * [taylor]: Taking taylor expansion of (- x) in x 0.241 * [taylor]: Taking taylor expansion of x in x 0.243 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 0.243 * [taylor]: Taking taylor expansion of 2.0 in x 0.243 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.243 * [taylor]: Taking taylor expansion of (exp x) in x 0.243 * [taylor]: Taking taylor expansion of x in x 0.243 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.243 * [taylor]: Taking taylor expansion of (- x) in x 0.243 * [taylor]: Taking taylor expansion of x in x 0.265 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0 0.265 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x 0.265 * [taylor]: Taking taylor expansion of 2.0 in x 0.265 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.265 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.265 * [taylor]: Taking taylor expansion of x in x 0.265 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.265 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.266 * [taylor]: Taking taylor expansion of x in x 0.266 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x 0.266 * [taylor]: Taking taylor expansion of 2.0 in x 0.266 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.266 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.266 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.266 * [taylor]: Taking taylor expansion of x in x 0.267 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.267 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.267 * [taylor]: Taking taylor expansion of x in x 0.273 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0 0.273 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x 0.273 * [taylor]: Taking taylor expansion of 2.0 in x 0.273 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 0.273 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.273 * [taylor]: Taking taylor expansion of x in x 0.273 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.273 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.273 * [taylor]: Taking taylor expansion of -1 in x 0.273 * [taylor]: Taking taylor expansion of x in x 0.274 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x 0.274 * [taylor]: Taking taylor expansion of 2.0 in x 0.274 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 0.274 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.274 * [taylor]: Taking taylor expansion of x in x 0.274 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.274 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.274 * [taylor]: Taking taylor expansion of -1 in x 0.274 * [taylor]: Taking taylor expansion of x in x 0.280 * * * [progress]: simplifying candidates 0.280 * [simplify]: Simplifying using # : (expm1 (/ 2.0 (+ (exp x) (exp (- x))))) (log1p (/ 2.0 (+ (exp x) (exp (- x))))) (- (log 2.0) (log (+ (exp x) (exp (- x))))) (log (/ 2.0 (+ (exp x) (exp (- x))))) (exp (/ 2.0 (+ (exp x) (exp (- x))))) (/ (* (* 2.0 2.0) 2.0) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))) (* (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x)))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (* (* (/ 2.0 (+ (exp x) (exp (- x)))) (/ 2.0 (+ (exp x) (exp (- x))))) (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (- 2.0) (- (+ (exp x) (exp (- x)))) (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ (exp x) (exp (- x))))) (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (* (cbrt 2.0) (cbrt 2.0)) 1) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (/ (* (cbrt 2.0) (cbrt 2.0)) 1) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) 1) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (/ (sqrt 2.0) 1) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (cbrt (+ (exp x) (exp (- x))))) (/ 1 (sqrt (+ (exp x) (exp (- x))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) (/ 1 1) (/ 2.0 (+ (exp x) (exp (- x)))) (/ 1 1) (/ 2.0 (+ (exp x) (exp (- x)))) (/ 1 (+ (exp x) (exp (- x)))) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) (/ 2.0 1) (/ 2.0 1) (/ (+ (exp x) (exp (- x))) (cbrt 2.0)) (/ (+ (exp x) (exp (- x))) (sqrt 2.0)) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (+ (pow (exp x) 3) (pow (exp (- x)) 3))) (/ 2.0 (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (/ 2.0 (+ (exp x) (exp (- x)))) (/ 2.0 (+ (exp (* -1 x)) (exp x))) 0.284 * * [simplify]: iteration 0 : 167 enodes (cost 323 ) 0.288 * * [simplify]: iteration 1 : 568 enodes (cost 300 ) 0.297 * * [simplify]: iteration 2 : 2220 enodes (cost 299 ) 0.350 * * [simplify]: iteration 3 : 5001 enodes (cost 299 ) 0.355 * [simplify]: Simplified to: (expm1 (/ 2.0 (+ (exp x) (exp (- x))))) (log1p (/ 2.0 (+ (exp x) (exp (- x))))) (log (/ 2.0 (+ (exp x) (exp (- x))))) (log (/ 2.0 (+ (exp x) (exp (- x))))) (exp (/ 2.0 (+ (exp x) (exp (- x))))) (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3) (* (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x)))))) (cbrt (/ 2.0 (+ (exp x) (exp (- x))))) (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (- 2.0) (- (+ (exp x) (exp (- x)))) (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ (exp x) (exp (- x))))) (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (* (cbrt 2.0) (cbrt 2.0)) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (* (cbrt 2.0) (cbrt 2.0)) (/ (cbrt 2.0) (+ (exp x) (exp (- x)))) (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))) (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (cbrt (+ (exp x) (exp (- x))))) (/ 1 (sqrt (+ (exp x) (exp (- x))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) 1 (/ 2.0 (+ (exp (* -1 x)) (exp x))) 1 (/ 2.0 (+ (exp (* -1 x)) (exp x))) (/ 1 (+ (exp x) (exp (- x)))) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (/ 2.0 (sqrt (+ (exp x) (exp (- x))))) 2.0 2.0 (/ (+ (exp x) (exp (- x))) (cbrt 2.0)) (/ (+ (exp x) (exp (- x))) (sqrt 2.0)) (/ (+ (exp x) (exp (- x))) 2.0) (/ 2.0 (+ (pow (exp x) 3) (pow (exp (- x)) 3))) (/ 2.0 (fma (- (exp (- x))) (exp (* -1 x)) (exp (+ x x)))) (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) (/ 2.0 (+ (exp (* -1 x)) (exp x))) (/ 2.0 (+ (exp (* -1 x)) (exp x))) 0.355 * * * [progress]: adding candidates to table 0.433 * * [progress]: iteration 2 / 4 0.433 * * * [progress]: picking best candidate 0.435 * * * * [pick]: Picked # 0.435 * * * [progress]: localizing error 0.444 * * * [progress]: generating rewritten candidates 0.444 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.445 * * * * [progress]: [ 2 / 2 ] rewriting at (2 3 2) 0.451 * * * [progress]: generating series expansions 0.451 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.451 * [approximate]: Taking taylor expansion of (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) in (x) around 0 0.452 * [taylor]: Taking taylor expansion of (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) in x 0.452 * [taylor]: Rewrote expression to (+ (* (pow x 4) 0.20833333333333334) (- 1.0 (* 0.5 (pow x 2)))) 0.452 * [taylor]: Taking taylor expansion of (* (pow x 4) 0.20833333333333334) in x 0.452 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.452 * [taylor]: Taking taylor expansion of x in x 0.452 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.452 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in x 0.452 * [taylor]: Taking taylor expansion of 1.0 in x 0.452 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.452 * [taylor]: Taking taylor expansion of 0.5 in x 0.452 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.452 * [taylor]: Taking taylor expansion of x in x 0.452 * [taylor]: Taking taylor expansion of (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) in x 0.452 * [taylor]: Rewrote expression to (+ (* (pow x 4) 0.20833333333333334) (- 1.0 (* 0.5 (pow x 2)))) 0.452 * [taylor]: Taking taylor expansion of (* (pow x 4) 0.20833333333333334) in x 0.452 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.452 * [taylor]: Taking taylor expansion of x in x 0.452 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.452 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in x 0.452 * [taylor]: Taking taylor expansion of 1.0 in x 0.452 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.452 * [taylor]: Taking taylor expansion of 0.5 in x 0.452 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.452 * [taylor]: Taking taylor expansion of x in x 0.463 * [approximate]: Taking taylor expansion of (fma (pow (/ 1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in (x) around 0 0.463 * [taylor]: Taking taylor expansion of (fma (pow (/ 1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.463 * [taylor]: Rewrote expression to (+ (* (pow (/ 1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.463 * [taylor]: Taking taylor expansion of (* (pow (/ 1 x) 4) 0.20833333333333334) in x 0.463 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 4) in x 0.463 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.463 * [taylor]: Taking taylor expansion of x in x 0.463 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.463 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.463 * [taylor]: Taking taylor expansion of 1.0 in x 0.463 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.463 * [taylor]: Taking taylor expansion of 0.5 in x 0.463 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.463 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.464 * [taylor]: Taking taylor expansion of x in x 0.464 * [taylor]: Taking taylor expansion of (fma (pow (/ 1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.464 * [taylor]: Rewrote expression to (+ (* (pow (/ 1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.464 * [taylor]: Taking taylor expansion of (* (pow (/ 1 x) 4) 0.20833333333333334) in x 0.464 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 4) in x 0.464 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.464 * [taylor]: Taking taylor expansion of x in x 0.464 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.464 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.465 * [taylor]: Taking taylor expansion of 1.0 in x 0.465 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.465 * [taylor]: Taking taylor expansion of 0.5 in x 0.465 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.465 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.465 * [taylor]: Taking taylor expansion of x in x 0.480 * [approximate]: Taking taylor expansion of (fma (pow (/ -1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in (x) around 0 0.480 * [taylor]: Taking taylor expansion of (fma (pow (/ -1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.481 * [taylor]: Rewrote expression to (+ (* (pow (/ -1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.481 * [taylor]: Taking taylor expansion of (* (pow (/ -1 x) 4) 0.20833333333333334) in x 0.481 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 4) in x 0.481 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.481 * [taylor]: Taking taylor expansion of -1 in x 0.481 * [taylor]: Taking taylor expansion of x in x 0.481 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.481 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.481 * [taylor]: Taking taylor expansion of 1.0 in x 0.481 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.481 * [taylor]: Taking taylor expansion of 0.5 in x 0.481 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.481 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.481 * [taylor]: Taking taylor expansion of x in x 0.482 * [taylor]: Taking taylor expansion of (fma (pow (/ -1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.482 * [taylor]: Rewrote expression to (+ (* (pow (/ -1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.482 * [taylor]: Taking taylor expansion of (* (pow (/ -1 x) 4) 0.20833333333333334) in x 0.482 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 4) in x 0.482 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.482 * [taylor]: Taking taylor expansion of -1 in x 0.482 * [taylor]: Taking taylor expansion of x in x 0.482 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.482 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.482 * [taylor]: Taking taylor expansion of 1.0 in x 0.482 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.482 * [taylor]: Taking taylor expansion of 0.5 in x 0.482 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.482 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.482 * [taylor]: Taking taylor expansion of x in x 0.498 * * * * [progress]: [ 2 / 2 ] generating series at (2 3 2) 0.498 * [approximate]: Taking taylor expansion of (* 0.5 (pow x 2)) in (x) around 0 0.498 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.498 * [taylor]: Taking taylor expansion of 0.5 in x 0.498 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.498 * [taylor]: Taking taylor expansion of x in x 0.498 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.498 * [taylor]: Taking taylor expansion of 0.5 in x 0.498 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.498 * [taylor]: Taking taylor expansion of x in x 0.506 * [approximate]: Taking taylor expansion of (/ 0.5 (pow x 2)) in (x) around 0 0.506 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 0.506 * [taylor]: Taking taylor expansion of 0.5 in x 0.506 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.506 * [taylor]: Taking taylor expansion of x in x 0.507 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 0.507 * [taylor]: Taking taylor expansion of 0.5 in x 0.507 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.507 * [taylor]: Taking taylor expansion of x in x 0.514 * [approximate]: Taking taylor expansion of (/ 0.5 (pow x 2)) in (x) around 0 0.514 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 0.514 * [taylor]: Taking taylor expansion of 0.5 in x 0.514 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.514 * [taylor]: Taking taylor expansion of x in x 0.514 * [taylor]: Taking taylor expansion of (/ 0.5 (pow x 2)) in x 0.515 * [taylor]: Taking taylor expansion of 0.5 in x 0.515 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.515 * [taylor]: Taking taylor expansion of x in x 0.522 * * * [progress]: simplifying candidates 0.523 * [simplify]: Simplifying using # : (expm1 (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (log1p (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (* (pow x 4) 0.20833333333333334) (log (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (exp (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (* (cbrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (cbrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))))) (cbrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (* (* (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (sqrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (sqrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (expm1 (* 0.5 (pow x 2))) (log1p (* 0.5 (pow x 2))) (+ (log 0.5) (* (log x) 2)) (+ (log 0.5) (* (log x) 2)) (+ (log 0.5) (log (pow x 2))) (log (* 0.5 (pow x 2))) (exp (* 0.5 (pow x 2))) (* (* (* 0.5 0.5) 0.5) (* (* (pow x 2) (pow x 2)) (pow x 2))) (* (cbrt (* 0.5 (pow x 2))) (cbrt (* 0.5 (pow x 2)))) (cbrt (* 0.5 (pow x 2))) (* (* (* 0.5 (pow x 2)) (* 0.5 (pow x 2))) (* 0.5 (pow x 2))) (sqrt (* 0.5 (pow x 2))) (sqrt (* 0.5 (pow x 2))) (* (sqrt 0.5) (pow (sqrt x) 2)) (* (sqrt 0.5) (pow (sqrt x) 2)) (* (sqrt 0.5) x) (* (sqrt 0.5) x) (* (sqrt 0.5) (sqrt (pow x 2))) (* (sqrt 0.5) (sqrt (pow x 2))) (* (sqrt 0.5) (pow x (/ 2 2))) (* (sqrt 0.5) (pow x (/ 2 2))) (* 0.5 (pow (* (cbrt x) (cbrt x)) 2)) (* 0.5 (pow (sqrt x) 2)) (* 0.5 (pow 1 2)) (* 0.5 x) (* 0.5 (* (cbrt (pow x 2)) (cbrt (pow x 2)))) (* 0.5 (sqrt (pow x 2))) (* 0.5 1) (* 0.5 (pow x (/ 2 2))) (* (cbrt 0.5) (pow x 2)) (* (sqrt 0.5) (pow x 2)) (* 0.5 (pow x 2)) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2))) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) 0.526 * * [simplify]: iteration 0 : 139 enodes (cost 197 ) 0.529 * * [simplify]: iteration 1 : 528 enodes (cost 171 ) 0.541 * * [simplify]: iteration 2 : 2719 enodes (cost 171 ) 0.623 * * [simplify]: iteration 3 : 5001 enodes (cost 170 ) 0.624 * [simplify]: Simplified to: (expm1 (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (log1p (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (* (pow x 4) 0.20833333333333334) (log (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (exp (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (* (cbrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (cbrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))))) (cbrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (pow (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) 3) (sqrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (sqrt (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))) (expm1 (* 0.5 (pow x 2))) (log1p (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (log (* 0.5 (pow x 2))) (exp (* 0.5 (pow x 2))) (pow (* 0.5 (pow x 2)) 3) (* (cbrt (* 0.5 (pow x 2))) (cbrt (* 0.5 (pow x 2)))) (cbrt (* 0.5 (pow x 2))) (pow (* 0.5 (pow x 2)) 3) (sqrt (* 0.5 (pow x 2))) (sqrt (* 0.5 (pow x 2))) (* x (sqrt 0.5)) (* x (sqrt 0.5)) (* x (sqrt 0.5)) (* x (sqrt 0.5)) (* (sqrt 0.5) (sqrt (pow x 2))) (* (sqrt 0.5) (sqrt (pow x 2))) (* x (sqrt 0.5)) (* x (sqrt 0.5)) (* (/ (pow (cbrt x) 4) 1) 0.5) (* x 0.5) 0.5 (* x 0.5) (* 0.5 (* (cbrt (pow x 2)) (cbrt (pow x 2)))) (* 0.5 (fabs x)) 0.5 (* x 0.5) (* (cbrt 0.5) (pow x 2)) (* (sqrt 0.5) (pow x 2)) (* 0.5 (pow x 2)) (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) (* 0.5 (pow x 2)) 0.625 * * * [progress]: adding candidates to table 0.721 * [progress]: [Phase 3 of 3] Extracting. 0.721 * * [regime]: Finding splitpoints for: (# #) 0.722 * * * [regime-changes]: Trying 3 branch expressions: ((+ (exp x) (exp (- x))) (/ 2.0 (+ (exp x) (exp (- x)))) x) 0.722 * * * * [regimes]: Trying to branch on (+ (exp x) (exp (- x))) from (# #) 0.736 * * * * [regimes]: Trying to branch on (/ 2.0 (+ (exp x) (exp (- x)))) from (# #) 0.753 * * * * [regimes]: Trying to branch on x from (# #) 0.764 * * * [regime]: Found split indices: #