9.605 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.013 * * * [progress]: [2/2] Setting up program. 0.015 * [progress]: [Phase 2 of 3] Improving. 0.015 * [simplify]: Simplifying using # : (/ (* x y) 2.0) 0.015 * [simplify]: Sending expressions to egg_math: (/ (* h0 h1) h2) 0.017 * * [simplify]: iteration 0 : 8 enodes (cost 2 ) 0.019 * * [simplify]: iteration 1 : 12 enodes (cost 2 ) 0.020 * * [simplify]: iteration 2 : 15 enodes (cost 2 ) 0.022 * * [simplify]: iteration 3 : 16 enodes (cost 2 ) 0.023 * * [simplify]: iteration 4 : 16 enodes (cost 2 ) 0.023 * [simplify]: Simplified to: (/ (* x y) 2.0) 0.023 * * [progress]: iteration 1 / 4 0.023 * * * [progress]: picking best candidate 0.024 * * * * [pick]: Picked # 0.025 * * * [progress]: localizing error 0.028 * * * [progress]: generating rewritten candidates 0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.038 * * * [progress]: generating series expansions 0.038 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.038 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0 0.038 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y 0.038 * [taylor]: Taking taylor expansion of 0.5 in y 0.038 * [taylor]: Taking taylor expansion of (* x y) in y 0.038 * [taylor]: Taking taylor expansion of x in y 0.039 * [taylor]: Taking taylor expansion of y in y 0.039 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.039 * [taylor]: Taking taylor expansion of 0.5 in x 0.039 * [taylor]: Taking taylor expansion of (* x y) in x 0.039 * [taylor]: Taking taylor expansion of x in x 0.039 * [taylor]: Taking taylor expansion of y in x 0.039 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.039 * [taylor]: Taking taylor expansion of 0.5 in x 0.039 * [taylor]: Taking taylor expansion of (* x y) in x 0.039 * [taylor]: Taking taylor expansion of x in x 0.039 * [taylor]: Taking taylor expansion of y in x 0.039 * [taylor]: Taking taylor expansion of 0 in y 0.040 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.040 * [taylor]: Taking taylor expansion of 0.5 in y 0.040 * [taylor]: Taking taylor expansion of y in y 0.041 * [taylor]: Taking taylor expansion of 0 in y 0.043 * [taylor]: Taking taylor expansion of 0 in y 0.046 * [taylor]: Taking taylor expansion of 0 in y 0.046 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.046 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.046 * [taylor]: Taking taylor expansion of 0.5 in y 0.046 * [taylor]: Taking taylor expansion of (* x y) in y 0.046 * [taylor]: Taking taylor expansion of x in y 0.046 * [taylor]: Taking taylor expansion of y in y 0.046 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.046 * [taylor]: Taking taylor expansion of 0.5 in x 0.046 * [taylor]: Taking taylor expansion of (* x y) in x 0.046 * [taylor]: Taking taylor expansion of x in x 0.046 * [taylor]: Taking taylor expansion of y in x 0.047 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.047 * [taylor]: Taking taylor expansion of 0.5 in x 0.047 * [taylor]: Taking taylor expansion of (* x y) in x 0.047 * [taylor]: Taking taylor expansion of x in x 0.047 * [taylor]: Taking taylor expansion of y in x 0.047 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.047 * [taylor]: Taking taylor expansion of 0.5 in y 0.047 * [taylor]: Taking taylor expansion of y in y 0.048 * [taylor]: Taking taylor expansion of 0 in y 0.049 * [taylor]: Taking taylor expansion of 0 in y 0.050 * [taylor]: Taking taylor expansion of 0 in y 0.051 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.051 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.051 * [taylor]: Taking taylor expansion of 0.5 in y 0.051 * [taylor]: Taking taylor expansion of (* x y) in y 0.051 * [taylor]: Taking taylor expansion of x in y 0.051 * [taylor]: Taking taylor expansion of y in y 0.052 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.052 * [taylor]: Taking taylor expansion of 0.5 in x 0.052 * [taylor]: Taking taylor expansion of (* x y) in x 0.052 * [taylor]: Taking taylor expansion of x in x 0.052 * [taylor]: Taking taylor expansion of y in x 0.052 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.052 * [taylor]: Taking taylor expansion of 0.5 in x 0.052 * [taylor]: Taking taylor expansion of (* x y) in x 0.052 * [taylor]: Taking taylor expansion of x in x 0.052 * [taylor]: Taking taylor expansion of y in x 0.052 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.052 * [taylor]: Taking taylor expansion of 0.5 in y 0.052 * [taylor]: Taking taylor expansion of y in y 0.053 * [taylor]: Taking taylor expansion of 0 in y 0.054 * [taylor]: Taking taylor expansion of 0 in y 0.056 * [taylor]: Taking taylor expansion of 0 in y 0.057 * * * [progress]: simplifying candidates 0.057 * [simplify]: Simplifying using # : (expm1 (/ (* x y) 2.0)) (log1p (/ (* x y) 2.0)) (- (+ (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)) (- (* x y)) (- 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)) 0.057 * [simplify]: Sending expressions to egg_math: (expm1 (/ (* h0 h1) h2)) (log1p (/ (* h0 h1) h2)) (- (+ (log h0) (log h1)) (log h2)) (- (log (* h0 h1)) (log h2)) (log (/ (* h0 h1) h2)) (exp (/ (* h0 h1) h2)) (/ (* (* (* h0 h0) h0) (* (* h1 h1) h1)) (* (* h2 h2) h2)) (/ (* (* (* h0 h1) (* h0 h1)) (* h0 h1)) (* (* h2 h2) h2)) (* (cbrt (/ (* h0 h1) h2)) (cbrt (/ (* h0 h1) h2))) (cbrt (/ (* h0 h1) h2)) (* (* (/ (* h0 h1) h2) (/ (* h0 h1) h2)) (/ (* h0 h1) h2)) (sqrt (/ (* h0 h1) h2)) (sqrt (/ (* h0 h1) h2)) (- (* h0 h1)) (- h2) (/ h0 (* (cbrt h2) (cbrt h2))) (/ h1 (cbrt h2)) (/ h0 (sqrt h2)) (/ h1 (sqrt h2)) (/ h0 1) (/ h1 h2) (/ 1 h2) (/ h2 (* h0 h1)) (/ (* h0 h1) (* (cbrt h2) (cbrt h2))) (/ (* h0 h1) (sqrt h2)) (/ (* h0 h1) 1) (/ h2 h1) (* h3 (* h0 h1)) (* h3 (* h0 h1)) (* h3 (* h0 h1)) 0.061 * * [simplify]: iteration 0 : 118 enodes (cost 91 ) 0.064 * * [simplify]: iteration 1 : 538 enodes (cost 76 ) 0.074 * * [simplify]: iteration 2 : 2527 enodes (cost 76 ) 0.118 * * [simplify]: iteration 3 : 5001 enodes (cost 76 ) 0.119 * [simplify]: Simplified to: (expm1 (/ (* x y) 2.0)) (log1p (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (exp (/ (* x y) 2.0)) (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 y)) (- 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) (* 0.5 (* x y)) (* 0.5 (* x y)) (* 0.5 (* x y)) 0.119 * * * [progress]: adding candidates to table 0.159 * * [progress]: iteration 2 / 4 0.159 * * * [progress]: picking best candidate 0.160 * * * * [pick]: Picked # 0.160 * * * [progress]: localizing error 0.163 * * * [progress]: generating rewritten candidates 0.163 * * * [progress]: generating series expansions 0.163 * * * [progress]: simplifying candidates 0.164 * [simplify]: Simplifying using # : 0.164 * [simplify]: Sending expressions to egg_math: 0.166 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.166 * [simplify]: Simplified to: 0.166 * * * [progress]: adding candidates to table 0.166 * [progress]: [Phase 3 of 3] Extracting. 0.167 * [simplify]: Simplifying using # : (* x (/ y 2.0)) 0.167 * [simplify]: Sending expressions to egg_math: (* h0 (/ h1 h2)) 0.168 * * [simplify]: iteration 0 : 6 enodes (cost 2 ) 0.169 * * [simplify]: iteration 1 : 6 enodes (cost 2 ) 0.169 * [simplify]: Simplified to: (* x (/ y 2.0)) 0.544 * [regime-testing]: End program error score: 0.00025003125390673836