10.954 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.016 * * * [progress]: [2/2] Setting up program. 0.018 * [progress]: [Phase 2 of 3] Improving. 0.018 * [simplify]: Simplifying using # : (/ 2.0 (+ (exp x) (exp (- x)))) 0.021 * * [simplify]: iteration 0 : 10 enodes (cost 5 ) 0.022 * * [simplify]: iteration 1 : 12 enodes (cost 5 ) 0.023 * * [simplify]: iteration 2 : 14 enodes (cost 5 ) 0.025 * * [simplify]: iteration 3 : 15 enodes (cost 5 ) 0.026 * * [simplify]: iteration 4 : 20 enodes (cost 5 ) 0.027 * * [simplify]: iteration 5 : 41 enodes (cost 5 ) 0.029 * * [simplify]: iteration 6 : 66 enodes (cost 5 ) 0.031 * * [simplify]: iteration 7 : 165 enodes (cost 5 ) 0.038 * * [simplify]: iteration 8 : 1123 enodes (cost 5 ) 0.235 * * [simplify]: iteration 9 : 5001 enodes (cost 5 ) 0.236 * [simplify]: Simplified to: (/ 2.0 (+ (exp x) (exp (- x)))) 0.236 * * [progress]: iteration 1 / 4 0.236 * * * [progress]: picking best candidate 0.238 * * * * [pick]: Picked # 0.238 * * * [progress]: localizing error 0.244 * * * [progress]: generating rewritten candidates 0.244 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.255 * * * [progress]: generating series expansions 0.255 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.255 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in (x) around 0 0.255 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 0.255 * [taylor]: Taking taylor expansion of 2.0 in x 0.255 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.255 * [taylor]: Taking taylor expansion of (exp x) in x 0.255 * [taylor]: Taking taylor expansion of x in x 0.255 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.255 * [taylor]: Taking taylor expansion of (- x) in x 0.255 * [taylor]: Taking taylor expansion of x in x 0.257 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 0.257 * [taylor]: Taking taylor expansion of 2.0 in x 0.257 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.257 * [taylor]: Taking taylor expansion of (exp x) in x 0.257 * [taylor]: Taking taylor expansion of x in x 0.257 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.257 * [taylor]: Taking taylor expansion of (- x) in x 0.257 * [taylor]: Taking taylor expansion of x in x 0.283 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0 0.283 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x 0.283 * [taylor]: Taking taylor expansion of 2.0 in x 0.283 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.283 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.283 * [taylor]: Taking taylor expansion of x in x 0.283 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.283 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.283 * [taylor]: Taking taylor expansion of x in x 0.284 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x 0.284 * [taylor]: Taking taylor expansion of 2.0 in x 0.284 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x 0.284 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.284 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.284 * [taylor]: Taking taylor expansion of x in x 0.284 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x 0.285 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x 0.285 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.285 * [taylor]: Taking taylor expansion of x in x 0.290 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0 0.290 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x 0.290 * [taylor]: Taking taylor expansion of 2.0 in x 0.290 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 0.290 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.290 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.290 * [taylor]: Taking taylor expansion of x in x 0.291 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.291 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.291 * [taylor]: Taking taylor expansion of -1 in x 0.291 * [taylor]: Taking taylor expansion of x in x 0.291 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x 0.291 * [taylor]: Taking taylor expansion of 2.0 in x 0.291 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x 0.291 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.291 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.291 * [taylor]: Taking taylor expansion of x in x 0.292 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.292 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.292 * [taylor]: Taking taylor expansion of -1 in x 0.292 * [taylor]: Taking taylor expansion of x in x 0.296 * * * [progress]: simplifying candidates 0.297 * [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))) 0.301 * * [simplify]: iteration 0 : 167 enodes (cost 323 ) 0.304 * * [simplify]: iteration 1 : 568 enodes (cost 300 ) 0.314 * * [simplify]: iteration 2 : 2220 enodes (cost 299 ) 0.368 * * [simplify]: iteration 3 : 5001 enodes (cost 299 ) 0.370 * [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))) 0.370 * * * [progress]: adding candidates to table 0.451 * * [progress]: iteration 2 / 4 0.451 * * * [progress]: picking best candidate 0.453 * * * * [pick]: Picked # 0.453 * * * [progress]: localizing error 0.462 * * * [progress]: generating rewritten candidates 0.462 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.463 * * * * [progress]: [ 2 / 2 ] rewriting at (2 3) 0.466 * * * [progress]: generating series expansions 0.466 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.466 * [approximate]: Taking taylor expansion of (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) in (x) around 0 0.466 * [taylor]: Taking taylor expansion of (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) in x 0.466 * [taylor]: Rewrote expression to (+ (* (pow x 4) 0.20833333333333334) (- 1.0 (* 0.5 (pow x 2)))) 0.466 * [taylor]: Taking taylor expansion of (* (pow x 4) 0.20833333333333334) in x 0.466 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.466 * [taylor]: Taking taylor expansion of x in x 0.466 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.466 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in x 0.466 * [taylor]: Taking taylor expansion of 1.0 in x 0.466 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.466 * [taylor]: Taking taylor expansion of 0.5 in x 0.466 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.466 * [taylor]: Taking taylor expansion of x in x 0.466 * [taylor]: Taking taylor expansion of (fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2)))) in x 0.466 * [taylor]: Rewrote expression to (+ (* (pow x 4) 0.20833333333333334) (- 1.0 (* 0.5 (pow x 2)))) 0.466 * [taylor]: Taking taylor expansion of (* (pow x 4) 0.20833333333333334) in x 0.466 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.466 * [taylor]: Taking taylor expansion of x in x 0.466 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.466 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in x 0.466 * [taylor]: Taking taylor expansion of 1.0 in x 0.466 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.466 * [taylor]: Taking taylor expansion of 0.5 in x 0.467 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.467 * [taylor]: Taking taylor expansion of x in x 0.474 * [approximate]: Taking taylor expansion of (fma (pow (/ 1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in (x) around 0 0.475 * [taylor]: Taking taylor expansion of (fma (pow (/ 1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.475 * [taylor]: Rewrote expression to (+ (* (pow (/ 1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.475 * [taylor]: Taking taylor expansion of (* (pow (/ 1 x) 4) 0.20833333333333334) in x 0.475 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 4) in x 0.475 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.475 * [taylor]: Taking taylor expansion of x in x 0.475 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.475 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.475 * [taylor]: Taking taylor expansion of 1.0 in x 0.475 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.475 * [taylor]: Taking taylor expansion of 0.5 in x 0.475 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.475 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.475 * [taylor]: Taking taylor expansion of x in x 0.476 * [taylor]: Taking taylor expansion of (fma (pow (/ 1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.476 * [taylor]: Rewrote expression to (+ (* (pow (/ 1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.476 * [taylor]: Taking taylor expansion of (* (pow (/ 1 x) 4) 0.20833333333333334) in x 0.476 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 4) in x 0.476 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.476 * [taylor]: Taking taylor expansion of x in x 0.476 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.476 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.476 * [taylor]: Taking taylor expansion of 1.0 in x 0.476 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.476 * [taylor]: Taking taylor expansion of 0.5 in x 0.476 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.476 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.476 * [taylor]: Taking taylor expansion of x in x 0.492 * [approximate]: Taking taylor expansion of (fma (pow (/ -1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in (x) around 0 0.492 * [taylor]: Taking taylor expansion of (fma (pow (/ -1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.492 * [taylor]: Rewrote expression to (+ (* (pow (/ -1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.492 * [taylor]: Taking taylor expansion of (* (pow (/ -1 x) 4) 0.20833333333333334) in x 0.492 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 4) in x 0.492 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.492 * [taylor]: Taking taylor expansion of -1 in x 0.492 * [taylor]: Taking taylor expansion of x in x 0.493 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.493 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.493 * [taylor]: Taking taylor expansion of 1.0 in x 0.493 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.493 * [taylor]: Taking taylor expansion of 0.5 in x 0.493 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.493 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.493 * [taylor]: Taking taylor expansion of x in x 0.493 * [taylor]: Taking taylor expansion of (fma (pow (/ -1 x) 4) 0.20833333333333334 (- 1.0 (* 0.5 (/ 1 (pow x 2))))) in x 0.493 * [taylor]: Rewrote expression to (+ (* (pow (/ -1 x) 4) 0.20833333333333334) (- 1.0 (* 0.5 (/ 1 (pow x 2))))) 0.493 * [taylor]: Taking taylor expansion of (* (pow (/ -1 x) 4) 0.20833333333333334) in x 0.493 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 4) in x 0.493 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.493 * [taylor]: Taking taylor expansion of -1 in x 0.493 * [taylor]: Taking taylor expansion of x in x 0.494 * [taylor]: Taking taylor expansion of 0.20833333333333334 in x 0.494 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.494 * [taylor]: Taking taylor expansion of 1.0 in x 0.494 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.494 * [taylor]: Taking taylor expansion of 0.5 in x 0.494 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.494 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.494 * [taylor]: Taking taylor expansion of x in x 0.510 * * * * [progress]: [ 2 / 2 ] generating series at (2 3) 0.510 * [approximate]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in (x) around 0 0.510 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in x 0.510 * [taylor]: Taking taylor expansion of 1.0 in x 0.510 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.510 * [taylor]: Taking taylor expansion of 0.5 in x 0.510 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.510 * [taylor]: Taking taylor expansion of x in x 0.510 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (pow x 2))) in x 0.510 * [taylor]: Taking taylor expansion of 1.0 in x 0.510 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x 0.510 * [taylor]: Taking taylor expansion of 0.5 in x 0.510 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.510 * [taylor]: Taking taylor expansion of x in x 0.527 * [approximate]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in (x) around 0 0.527 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.527 * [taylor]: Taking taylor expansion of 1.0 in x 0.527 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.527 * [taylor]: Taking taylor expansion of 0.5 in x 0.527 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.527 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.527 * [taylor]: Taking taylor expansion of x in x 0.528 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.528 * [taylor]: Taking taylor expansion of 1.0 in x 0.528 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.528 * [taylor]: Taking taylor expansion of 0.5 in x 0.528 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.528 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.528 * [taylor]: Taking taylor expansion of x in x 0.548 * [approximate]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in (x) around 0 0.548 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.548 * [taylor]: Taking taylor expansion of 1.0 in x 0.548 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.548 * [taylor]: Taking taylor expansion of 0.5 in x 0.548 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.548 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.548 * [taylor]: Taking taylor expansion of x in x 0.548 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 (pow x 2)))) in x 0.549 * [taylor]: Taking taylor expansion of 1.0 in x 0.549 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x 0.549 * [taylor]: Taking taylor expansion of 0.5 in x 0.549 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.549 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.549 * [taylor]: Taking taylor expansion of x in x 0.569 * * * [progress]: simplifying candidates 0.569 * [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))))) (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* (pow x 2) 0.5))) (fma (- (pow x 2)) 0.5 (* (pow x 2) 0.5)) (fma (sqrt 1.0) (sqrt 1.0) (- (* (pow x 2) 0.5))) (fma (- (pow x 2)) 0.5 (* (pow x 2) 0.5)) (fma 1 1.0 (- (* (pow x 2) 0.5))) (fma (- (pow x 2)) 0.5 (* (pow x 2) 0.5)) (expm1 (- 1.0 (* 0.5 (pow x 2)))) (log1p (- 1.0 (* 0.5 (pow x 2)))) (- (* 0.5 (pow x 2))) (- (* 0.5 (pow x 2))) (- (* 0.5 (pow x 2))) (/ (exp 1.0) (exp (* 0.5 (pow x 2)))) (log (- 1.0 (* 0.5 (pow x 2)))) (exp (- 1.0 (* 0.5 (pow x 2)))) (* (cbrt (- 1.0 (* 0.5 (pow x 2)))) (cbrt (- 1.0 (* 0.5 (pow x 2))))) (cbrt (- 1.0 (* 0.5 (pow x 2)))) (* (* (- 1.0 (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2)))) (- 1.0 (* 0.5 (pow x 2)))) (sqrt (- 1.0 (* 0.5 (pow x 2)))) (sqrt (- 1.0 (* 0.5 (pow x 2)))) (- (pow 1.0 3) (pow (* 0.5 (pow x 2)) 3)) (+ (* 1.0 1.0) (+ (* (* 0.5 (pow x 2)) (* 0.5 (pow x 2))) (* 1.0 (* 0.5 (pow x 2))))) (- (* 0.5 (pow x 2))) (- (* 1.0 1.0) (* (* 0.5 (pow x 2)) (* 0.5 (pow x 2)))) (+ 1.0 (* 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))) (- 1.0 (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2))) 0.573 * * [simplify]: iteration 0 : 126 enodes (cost 221 ) 0.576 * * [simplify]: iteration 1 : 417 enodes (cost 193 ) 0.586 * * [simplify]: iteration 2 : 2083 enodes (cost 191 ) 0.635 * * [simplify]: iteration 3 : 5003 enodes (cost 174 ) 0.637 * [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))))) (- 1.0 (* 0.5 (pow x 2))) 0 (- 1.0 (* 0.5 (pow x 2))) 0 (- 1.0 (* 0.5 (pow x 2))) 0 (expm1 (- 1.0 (* 0.5 (pow x 2)))) (log1p (- 1.0 (* 0.5 (pow x 2)))) (- (* 0.5 (pow x 2))) (- (* 0.5 (pow x 2))) (- (* 0.5 (pow x 2))) (exp (- 1.0 (* 0.5 (pow x 2)))) (log (- 1.0 (* 0.5 (pow x 2)))) (exp (- 1.0 (* 0.5 (pow x 2)))) (* (cbrt (- 1.0 (* 0.5 (pow x 2)))) (cbrt (- 1.0 (* 0.5 (pow x 2))))) (cbrt (- 1.0 (* 0.5 (pow x 2)))) (pow (- 1.0 (* 0.5 (pow x 2))) 3) (sqrt (- 1.0 (* 0.5 (pow x 2)))) (sqrt (- 1.0 (* 0.5 (pow x 2)))) (- (pow 1.0 3) (pow (* 0.5 (pow x 2)) 3)) (fma 1.0 1.0 (* (* 0.5 (pow x 2)) (fma (pow x 2) 0.5 1.0))) (- (* 0.5 (pow x 2))) (fma 1.0 1.0 (* (- (* 0.5 0.5)) (pow x 4))) (fma (pow x 2) 0.5 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)))) (- 1.0 (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2))) (- 1.0 (* 0.5 (pow x 2))) 0.637 * * * [progress]: adding candidates to table 0.726 * [progress]: [Phase 3 of 3] Extracting. 0.726 * * [regime]: Finding splitpoints for: (# #) 0.726 * * * [regime-changes]: Trying 3 branch expressions: ((+ (exp x) (exp (- x))) (/ 2.0 (+ (exp x) (exp (- x)))) x) 0.726 * * * * [regimes]: Trying to branch on (+ (exp x) (exp (- x))) from (# #) 0.740 * * * * [regimes]: Trying to branch on (/ 2.0 (+ (exp x) (exp (- x)))) from (# #) 0.754 * * * * [regimes]: Trying to branch on x from (# #) 0.768 * * * [regime]: Found split indices: #