9.256 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.017 * * * [progress]: [2/2] Setting up program. 0.018 * [progress]: [Phase 2 of 3] Improving. 0.019 * [simplify]: Simplifying using # : (* 2.0 (+ (* x x) (* x y))) 0.021 * * [simplify]: iteration 0 : 19 enodes (cost 3 ) 0.023 * * [simplify]: iteration 1 : 41 enodes (cost 3 ) 0.024 * * [simplify]: iteration 2 : 72 enodes (cost 3 ) 0.026 * * [simplify]: iteration 3 : 81 enodes (cost 3 ) 0.028 * * [simplify]: iteration 4 : 81 enodes (cost 3 ) 0.028 * [simplify]: Simplified to: (* (fma x x (* x y)) 2.0) 0.031 * * [progress]: iteration 1 / 4 0.031 * * * [progress]: picking best candidate 0.032 * * * * [pick]: Picked # 0.033 * * * [progress]: localizing error 0.038 * * * [progress]: generating rewritten candidates 0.038 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.041 * * * [progress]: generating series expansions 0.041 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.041 * [approximate]: Taking taylor expansion of (* 2.0 (fma x x (* x y))) in (x y) around 0 0.041 * [taylor]: Taking taylor expansion of (* 2.0 (fma x x (* x y))) in y 0.041 * [taylor]: Taking taylor expansion of 2.0 in y 0.041 * [taylor]: Taking taylor expansion of (fma x x (* x y)) in y 0.041 * [taylor]: Rewrote expression to (+ (* x x) (* x y)) 0.042 * [taylor]: Taking taylor expansion of (* x x) in y 0.042 * [taylor]: Taking taylor expansion of x in y 0.042 * [taylor]: Taking taylor expansion of x in y 0.042 * [taylor]: Taking taylor expansion of (* x y) in y 0.042 * [taylor]: Taking taylor expansion of x in y 0.042 * [taylor]: Taking taylor expansion of y in y 0.042 * [taylor]: Taking taylor expansion of (* 2.0 (fma x x (* x y))) in x 0.042 * [taylor]: Taking taylor expansion of 2.0 in x 0.042 * [taylor]: Taking taylor expansion of (fma x x (* x y)) in x 0.042 * [taylor]: Rewrote expression to (+ (* x x) (* x y)) 0.042 * [taylor]: Taking taylor expansion of (* x x) in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of (* x y) in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of y in x 0.042 * [taylor]: Taking taylor expansion of (* 2.0 (fma x x (* x y))) in x 0.042 * [taylor]: Taking taylor expansion of 2.0 in x 0.042 * [taylor]: Taking taylor expansion of (fma x x (* x y)) in x 0.042 * [taylor]: Rewrote expression to (+ (* x x) (* x y)) 0.042 * [taylor]: Taking taylor expansion of (* x x) in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of (* x y) in x 0.042 * [taylor]: Taking taylor expansion of x in x 0.042 * [taylor]: Taking taylor expansion of y in x 0.043 * [taylor]: Taking taylor expansion of 0 in y 0.044 * [taylor]: Taking taylor expansion of (* 2.0 y) in y 0.044 * [taylor]: Taking taylor expansion of 2.0 in y 0.044 * [taylor]: Taking taylor expansion of y in y 0.046 * [taylor]: Taking taylor expansion of 2.0 in y 0.049 * [taylor]: Taking taylor expansion of 0 in y 0.052 * [taylor]: Taking taylor expansion of 0 in y 0.053 * [approximate]: Taking taylor expansion of (* 2.0 (fma (/ 1 x) (/ 1 x) (/ 1 (* x y)))) in (x y) around 0 0.053 * [taylor]: Taking taylor expansion of (* 2.0 (fma (/ 1 x) (/ 1 x) (/ 1 (* x y)))) in y 0.053 * [taylor]: Taking taylor expansion of 2.0 in y 0.053 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (/ 1 (* x y))) in y 0.053 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (/ 1 (* x y))) 0.053 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y 0.053 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.053 * [taylor]: Taking taylor expansion of x in y 0.053 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.053 * [taylor]: Taking taylor expansion of x in y 0.053 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.053 * [taylor]: Taking taylor expansion of (* x y) in y 0.053 * [taylor]: Taking taylor expansion of x in y 0.053 * [taylor]: Taking taylor expansion of y in y 0.054 * [taylor]: Taking taylor expansion of (* 2.0 (fma (/ 1 x) (/ 1 x) (/ 1 (* x y)))) in x 0.054 * [taylor]: Taking taylor expansion of 2.0 in x 0.054 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (/ 1 (* x y))) in x 0.054 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (/ 1 (* x y))) 0.054 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x 0.054 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.054 * [taylor]: Taking taylor expansion of x in x 0.054 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.054 * [taylor]: Taking taylor expansion of x in x 0.054 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.054 * [taylor]: Taking taylor expansion of (* x y) in x 0.054 * [taylor]: Taking taylor expansion of x in x 0.054 * [taylor]: Taking taylor expansion of y in x 0.055 * [taylor]: Taking taylor expansion of (* 2.0 (fma (/ 1 x) (/ 1 x) (/ 1 (* x y)))) in x 0.055 * [taylor]: Taking taylor expansion of 2.0 in x 0.055 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (/ 1 (* x y))) in x 0.055 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (/ 1 (* x y))) 0.055 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x 0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.055 * [taylor]: Taking taylor expansion of (* x y) in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [taylor]: Taking taylor expansion of y in x 0.056 * [taylor]: Taking taylor expansion of 2.0 in y 0.058 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y 0.058 * [taylor]: Taking taylor expansion of 2.0 in y 0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.058 * [taylor]: Taking taylor expansion of y in y 0.061 * [taylor]: Taking taylor expansion of 0 in y 0.066 * [taylor]: Taking taylor expansion of 0 in y 0.070 * [taylor]: Taking taylor expansion of 0 in y 0.071 * [approximate]: Taking taylor expansion of (* 2.0 (fma (/ -1 x) (/ -1 x) (/ 1 (* x y)))) in (x y) around 0 0.071 * [taylor]: Taking taylor expansion of (* 2.0 (fma (/ -1 x) (/ -1 x) (/ 1 (* x y)))) in y 0.071 * [taylor]: Taking taylor expansion of 2.0 in y 0.071 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (/ 1 (* x y))) in y 0.071 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (/ 1 (* x y))) 0.071 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in y 0.071 * [taylor]: Taking taylor expansion of (/ -1 x) in y 0.071 * [taylor]: Taking taylor expansion of -1 in y 0.071 * [taylor]: Taking taylor expansion of x in y 0.071 * [taylor]: Taking taylor expansion of (/ -1 x) in y 0.071 * [taylor]: Taking taylor expansion of -1 in y 0.071 * [taylor]: Taking taylor expansion of x in y 0.071 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.071 * [taylor]: Taking taylor expansion of (* x y) in y 0.071 * [taylor]: Taking taylor expansion of x in y 0.071 * [taylor]: Taking taylor expansion of y in y 0.072 * [taylor]: Taking taylor expansion of (* 2.0 (fma (/ -1 x) (/ -1 x) (/ 1 (* x y)))) in x 0.072 * [taylor]: Taking taylor expansion of 2.0 in x 0.072 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (/ 1 (* x y))) in x 0.072 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (/ 1 (* x y))) 0.072 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x 0.072 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.072 * [taylor]: Taking taylor expansion of -1 in x 0.072 * [taylor]: Taking taylor expansion of x in x 0.072 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.072 * [taylor]: Taking taylor expansion of -1 in x 0.072 * [taylor]: Taking taylor expansion of x in x 0.073 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.073 * [taylor]: Taking taylor expansion of (* x y) in x 0.073 * [taylor]: Taking taylor expansion of x in x 0.073 * [taylor]: Taking taylor expansion of y in x 0.073 * [taylor]: Taking taylor expansion of (* 2.0 (fma (/ -1 x) (/ -1 x) (/ 1 (* x y)))) in x 0.074 * [taylor]: Taking taylor expansion of 2.0 in x 0.074 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (/ 1 (* x y))) in x 0.074 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (/ 1 (* x y))) 0.074 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x 0.074 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.074 * [taylor]: Taking taylor expansion of -1 in x 0.074 * [taylor]: Taking taylor expansion of x in x 0.074 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.074 * [taylor]: Taking taylor expansion of -1 in x 0.074 * [taylor]: Taking taylor expansion of x in x 0.074 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.074 * [taylor]: Taking taylor expansion of (* x y) in x 0.074 * [taylor]: Taking taylor expansion of x in x 0.074 * [taylor]: Taking taylor expansion of y in x 0.075 * [taylor]: Taking taylor expansion of 2.0 in y 0.077 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y 0.077 * [taylor]: Taking taylor expansion of 2.0 in y 0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.077 * [taylor]: Taking taylor expansion of y in y 0.081 * [taylor]: Taking taylor expansion of 0 in y 0.085 * [taylor]: Taking taylor expansion of 0 in y 0.090 * [taylor]: Taking taylor expansion of 0 in y 0.091 * * * [progress]: simplifying candidates 0.091 * [simplify]: Simplifying using # : (expm1 (* (fma x x (* x y)) 2.0)) (log1p (* (fma x x (* x y)) 2.0)) (* (fma x x (* x y)) 2.0) (+ (log (fma x x (* x y))) (log 2.0)) (log (* (fma x x (* x y)) 2.0)) (exp (* (fma x x (* x y)) 2.0)) (* (* (* (fma x x (* x y)) (fma x x (* x y))) (fma x x (* x y))) (* (* 2.0 2.0) 2.0)) (* (cbrt (* (fma x x (* x y)) 2.0)) (cbrt (* (fma x x (* x y)) 2.0))) (cbrt (* (fma x x (* x y)) 2.0)) (* (* (* (fma x x (* x y)) 2.0) (* (fma x x (* x y)) 2.0)) (* (fma x x (* x y)) 2.0)) (sqrt (* (fma x x (* x y)) 2.0)) (sqrt (* (fma x x (* x y)) 2.0)) (* (sqrt (fma x x (* x y))) (sqrt 2.0)) (* (sqrt (fma x x (* x y))) (sqrt 2.0)) (* (fma x x (* x y)) (* (cbrt 2.0) (cbrt 2.0))) (* (fma x x (* x y)) (sqrt 2.0)) (* (fma x x (* x y)) 1) (* (cbrt (fma x x (* x y))) 2.0) (* (sqrt (fma x x (* x y))) 2.0) (* (fma x x (* x y)) 2.0) (+ (* 2.0 (pow x 2)) (* 2.0 (* x y))) (+ (* 2.0 (pow x 2)) (* 2.0 (* x y))) (+ (* 2.0 (pow x 2)) (* 2.0 (* x y))) 0.094 * * [simplify]: iteration 0 : 83 enodes (cost 108 ) 0.097 * * [simplify]: iteration 1 : 307 enodes (cost 94 ) 0.106 * * [simplify]: iteration 2 : 2183 enodes (cost 94 ) 0.149 * * [simplify]: iteration 3 : 5001 enodes (cost 94 ) 0.150 * [simplify]: Simplified to: (expm1 (* (fma x x (* x y)) 2.0)) (log1p (* (fma x x (* x y)) 2.0)) (* (fma x x (* x y)) 2.0) (log (* (fma x x (* x y)) 2.0)) (log (* (fma x x (* x y)) 2.0)) (exp (* (fma x x (* x y)) 2.0)) (pow (* (fma x x (* x y)) 2.0) 3) (* (cbrt (* (fma x x (* x y)) 2.0)) (cbrt (* (fma x x (* x y)) 2.0))) (cbrt (* (fma x x (* x y)) 2.0)) (pow (* (fma x x (* x y)) 2.0) 3) (sqrt (* (fma x x (* x y)) 2.0)) (sqrt (* (fma x x (* x y)) 2.0)) (* (sqrt (fma x x (* x y))) (sqrt 2.0)) (* (sqrt (fma x x (* x y))) (sqrt 2.0)) (* (fma x x (* x y)) (* (cbrt 2.0) (cbrt 2.0))) (* (fma x x (* x y)) (sqrt 2.0)) (fma x x (* x y)) (* (cbrt (fma x x (* x y))) 2.0) (* (sqrt (fma x x (* x y))) 2.0) (* (fma x x (* x y)) 2.0) (* (fma x x (* x y)) 2.0) (* (fma x x (* x y)) 2.0) (* (fma x x (* x y)) 2.0) 0.150 * * * [progress]: adding candidates to table 0.188 * [progress]: [Phase 3 of 3] Extracting. 0.190 * [simplify]: Simplifying using # : (* (fma x x (* x y)) 2.0) 0.190 * * [simplify]: iteration 0 : 8 enodes (cost 3 ) 0.191 * * [simplify]: iteration 1 : 8 enodes (cost 3 ) 0.191 * [simplify]: Simplified to: (* (fma x x (* x y)) 2.0) 0.651 * [regime-testing]: End program error score: 0.011251406425803226 0.668 * [regime-testing]: Target error score: 0.009876234529316165