21.385 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.147 * * * [progress]: [2/2] Setting up program. 0.152 * [progress]: [Phase 2 of 3] Improving. 0.152 * [simplify]: Simplifying using # : (- (/ (* x y) 2.0) (/ z 8.0)) 0.169 * * [simplify]: iteration 0 : 366 enodes (cost 9 ) 0.169 * * [simplify]: iteration 1 : 366 enodes (cost 9 ) 0.169 * [simplify]: Simplified to: (- (* x (/ y 2.0)) (/ z 8.0)) 0.172 * * [progress]: iteration 1 / 4 0.172 * * * [progress]: picking best candidate 0.175 * * * * [pick]: Picked # 0.175 * * * [progress]: localizing error 0.181 * * * [progress]: generating rewritten candidates 0.181 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.186 * * * [progress]: generating series expansions 0.186 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.186 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0 0.186 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y 0.186 * [taylor]: Taking taylor expansion of 0.5 in y 0.186 * [taylor]: Taking taylor expansion of (* x y) in y 0.186 * [taylor]: Taking taylor expansion of x in y 0.186 * [taylor]: Taking taylor expansion of y in y 0.186 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.186 * [taylor]: Taking taylor expansion of 0.5 in x 0.186 * [taylor]: Taking taylor expansion of (* x y) in x 0.186 * [taylor]: Taking taylor expansion of x in x 0.186 * [taylor]: Taking taylor expansion of y in x 0.186 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.186 * [taylor]: Taking taylor expansion of 0.5 in x 0.186 * [taylor]: Taking taylor expansion of (* x y) in x 0.186 * [taylor]: Taking taylor expansion of x in x 0.186 * [taylor]: Taking taylor expansion of y in x 0.186 * [taylor]: Taking taylor expansion of 0 in y 0.186 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.186 * [taylor]: Taking taylor expansion of 0.5 in y 0.186 * [taylor]: Taking taylor expansion of y in y 0.186 * [taylor]: Taking taylor expansion of 0 in y 0.186 * [taylor]: Taking taylor expansion of 0 in y 0.187 * [taylor]: Taking taylor expansion of 0 in y 0.187 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.187 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.187 * [taylor]: Taking taylor expansion of 0.5 in y 0.187 * [taylor]: Taking taylor expansion of (* x y) in y 0.187 * [taylor]: Taking taylor expansion of x in y 0.187 * [taylor]: Taking taylor expansion of y in y 0.187 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.187 * [taylor]: Taking taylor expansion of 0.5 in x 0.187 * [taylor]: Taking taylor expansion of (* x y) in x 0.187 * [taylor]: Taking taylor expansion of x in x 0.187 * [taylor]: Taking taylor expansion of y in x 0.187 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.187 * [taylor]: Taking taylor expansion of 0.5 in x 0.187 * [taylor]: Taking taylor expansion of (* x y) in x 0.187 * [taylor]: Taking taylor expansion of x in x 0.187 * [taylor]: Taking taylor expansion of y in x 0.187 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.187 * [taylor]: Taking taylor expansion of 0.5 in y 0.187 * [taylor]: Taking taylor expansion of y in y 0.187 * [taylor]: Taking taylor expansion of 0 in y 0.188 * [taylor]: Taking taylor expansion of 0 in y 0.188 * [taylor]: Taking taylor expansion of 0 in y 0.188 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.188 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.188 * [taylor]: Taking taylor expansion of 0.5 in y 0.188 * [taylor]: Taking taylor expansion of (* x y) in y 0.188 * [taylor]: Taking taylor expansion of x in y 0.188 * [taylor]: Taking taylor expansion of y in y 0.188 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.188 * [taylor]: Taking taylor expansion of 0.5 in x 0.188 * [taylor]: Taking taylor expansion of (* x y) in x 0.188 * [taylor]: Taking taylor expansion of x in x 0.188 * [taylor]: Taking taylor expansion of y in x 0.188 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.188 * [taylor]: Taking taylor expansion of 0.5 in x 0.188 * [taylor]: Taking taylor expansion of (* x y) in x 0.188 * [taylor]: Taking taylor expansion of x in x 0.188 * [taylor]: Taking taylor expansion of y in x 0.188 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.188 * [taylor]: Taking taylor expansion of 0.5 in y 0.188 * [taylor]: Taking taylor expansion of y in y 0.189 * [taylor]: Taking taylor expansion of 0 in y 0.189 * [taylor]: Taking taylor expansion of 0 in y 0.189 * [taylor]: Taking taylor expansion of 0 in y 0.189 * * * [progress]: simplifying candidates 0.190 * [simplify]: Simplifying using # : (- (+ (log x) (log y)) (log 2.0)) (- (log (* x y)) (log 2.0)) (log (/ (* x y) 2.0)) (exp (/ (* x y) 2.0)) (/ (* (* (* x x) x) (* (* y y) y)) (* (* 2.0 2.0) 2.0)) (/ (* (* (* x y) (* x y)) (* x y)) (* (* 2.0 2.0) 2.0)) (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0))) (cbrt (/ (* x y) 2.0)) (* (* (/ (* x y) 2.0) (/ (* x y) 2.0)) (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (neg (* x y)) (neg 2.0) (/ x (* (cbrt 2.0) (cbrt 2.0))) (/ y (cbrt 2.0)) (/ x (sqrt 2.0)) (/ y (sqrt 2.0)) (/ x 1) (/ y 2.0) (/ 1 2.0) (/ 2.0 (* x y)) (/ (* x y) (* (cbrt 2.0) (cbrt 2.0))) (/ (* x y) (sqrt 2.0)) (/ (* x y) 1) (/ 2.0 y) (* 0.5 (* x y)) (* 0.5 (* x y)) (* 0.5 (* x y)) 0.258 * * [simplify]: iteration 0 : 4663 enodes (cost 149 ) 0.258 * * [simplify]: iteration 1 : 4663 enodes (cost 149 ) 0.259 * [simplify]: Simplified to: (log (* x (/ y 2.0))) (log (* x (/ y 2.0))) (log (* x (/ y 2.0))) (pow (exp (/ x 2.0)) y) (pow (* x (/ y 2.0)) 3) (pow (* x (/ y 2.0)) 3) (* (cbrt (* x (/ y 2.0))) (cbrt (* x (/ y 2.0)))) (cbrt (* x (/ y 2.0))) (pow (* x (/ y 2.0)) 3) (sqrt (* x (/ y 2.0))) (sqrt (* x (/ y 2.0))) (* x (neg y)) (neg 2.0) (/ x (* (cbrt 2.0) (cbrt 2.0))) (/ y (cbrt 2.0)) (/ x (sqrt 2.0)) (/ y (sqrt 2.0)) x (/ y 2.0) (/ 1 2.0) (/ 2.0 (* x y)) (* x (/ y (* (cbrt 2.0) (cbrt 2.0)))) (* x (/ y (sqrt 2.0))) (* x y) (/ 2.0 y) (* x (* y 0.5)) (* x (* y 0.5)) (* x (* y 0.5)) 0.259 * * * [progress]: adding candidates to table 0.284 * [progress]: [Phase 3 of 3] Extracting. 0.287 * [simplify]: Simplifying using # : (- (/ (* x y) 2.0) (/ z 8.0)) 0.287 * * [simplify]: iteration 0 : 27 enodes (cost 9 ) 0.288 * * [simplify]: iteration 1 : 27 enodes (cost 9 ) 0.288 * [simplify]: Simplified to: (- (/ (* x y) 2.0) (/ z 8.0)) 0.952 * [regime-testing]: End program error score: 0.024677124318387145