0.816 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.255 * * * [progress]: [2/2] Setting up program. 0.258 * [progress]: [Phase 2 of 3] Improving. 0.260 * [simplify]: Simplifying using # : (* 0.5 (- (* x x) y)) 0.263 * * [simplify]: iteration 0 : 10 enodes (cost 3 ) 0.265 * * [simplify]: iteration 1 : 17 enodes (cost 3 ) 0.266 * * [simplify]: iteration 2 : 29 enodes (cost 3 ) 0.267 * * [simplify]: iteration 3 : 41 enodes (cost 3 ) 0.269 * * [simplify]: iteration 4 : 44 enodes (cost 3 ) 0.270 * * [simplify]: iteration 5 : 44 enodes (cost 3 ) 0.271 * [simplify]: Simplified to: (* 0.5 (- (* x x) y)) 0.272 * * [progress]: iteration 1 / 4 0.272 * * * [progress]: picking best candidate 0.273 * * * * [pick]: Picked # 0.274 * * * [progress]: localizing error 0.280 * * * [progress]: generating rewritten candidates 0.280 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2) 0.289 * * * [progress]: generating series expansions 0.289 * * * * [progress]: [ 1 / 1 ] generating series at (2 2) 0.293 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0 0.294 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y 0.294 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.294 * [taylor]: Taking taylor expansion of x in y 0.295 * [taylor]: Taking taylor expansion of y in y 0.295 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x 0.295 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.295 * [taylor]: Taking taylor expansion of x in x 0.295 * [taylor]: Taking taylor expansion of y in x 0.295 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x 0.295 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.295 * [taylor]: Taking taylor expansion of x in x 0.295 * [taylor]: Taking taylor expansion of y in x 0.296 * [taylor]: Taking taylor expansion of (- y) in y 0.296 * [taylor]: Taking taylor expansion of y in y 0.297 * [taylor]: Taking taylor expansion of 0 in y 0.298 * [taylor]: Taking taylor expansion of 1 in y 0.299 * [taylor]: Taking taylor expansion of 0 in y 0.300 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0 0.300 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y 0.300 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y 0.300 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.300 * [taylor]: Taking taylor expansion of x in y 0.300 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.300 * [taylor]: Taking taylor expansion of y in y 0.301 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x 0.301 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.301 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.301 * [taylor]: Taking taylor expansion of x in x 0.301 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.301 * [taylor]: Taking taylor expansion of y in x 0.301 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x 0.301 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.301 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.301 * [taylor]: Taking taylor expansion of x in x 0.302 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.302 * [taylor]: Taking taylor expansion of y in x 0.302 * [taylor]: Taking taylor expansion of 1 in y 0.303 * [taylor]: Taking taylor expansion of 0 in y 0.305 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y 0.305 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.305 * [taylor]: Taking taylor expansion of y in y 0.307 * [taylor]: Taking taylor expansion of 0 in y 0.309 * [taylor]: Taking taylor expansion of 0 in y 0.310 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0 0.310 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y 0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y 0.310 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.310 * [taylor]: Taking taylor expansion of x in y 0.310 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.310 * [taylor]: Taking taylor expansion of y in y 0.310 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x 0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.310 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.310 * [taylor]: Taking taylor expansion of x in x 0.311 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.311 * [taylor]: Taking taylor expansion of y in x 0.311 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x 0.311 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.311 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.311 * [taylor]: Taking taylor expansion of x in x 0.312 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.312 * [taylor]: Taking taylor expansion of y in x 0.312 * [taylor]: Taking taylor expansion of 1 in y 0.313 * [taylor]: Taking taylor expansion of 0 in y 0.314 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.314 * [taylor]: Taking taylor expansion of y in y 0.316 * [taylor]: Taking taylor expansion of 0 in y 0.317 * [taylor]: Taking taylor expansion of 0 in y 0.318 * * * [progress]: simplifying candidates 0.318 * [simplify]: Simplifying using # : (fma x x (- (* (cbrt y) (* (cbrt y) (cbrt y))))) (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) (fma x x (- (* (sqrt y) (sqrt y)))) (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) (fma x x (- (* y 1))) (fma (- y) 1 (* y 1)) (expm1 (- (* x x) y)) (log1p (- (* x x) y)) (- y) (/ (exp (* x x)) (exp y)) (log (- (* x x) y)) (exp (- (* x x) y)) (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y))) (cbrt (- (* x x) y)) (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y)) (sqrt (- (* x x) y)) (sqrt (- (* x x) y)) (- (pow (* x x) 3) (pow y 3)) (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y))) (- y) (- (* (* x x) (* x x)) (* y y)) (+ (* x x) y) (+ x (sqrt y)) (- x (sqrt y)) (- y) (- (pow x 2) y) (- (pow x 2) y) (- (pow x 2) y) 0.321 * * [simplify]: iteration 0 : 115 enodes (cost 95 ) 0.324 * * [simplify]: iteration 1 : 414 enodes (cost 73 ) 0.334 * * [simplify]: iteration 2 : 2048 enodes (cost 67 ) 0.382 * * [simplify]: iteration 3 : 5001 enodes (cost 64 ) 0.383 * [simplify]: Simplified to: (- (* x x) y) 0 (- (* x x) y) 0 (- (* x x) y) 0 (expm1 (- (* x x) y)) (log1p (- (* x x) y)) (- y) (exp (- (* x x) y)) (log (- (* x x) y)) (exp (- (* x x) y)) (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y))) (cbrt (- (* x x) y)) (pow (- (* x x) y) 3) (sqrt (- (* x x) y)) (sqrt (- (* x x) y)) (- (pow (* x x) 3) (pow y 3)) (fma (fma x x y) y (pow x 4)) (- y) (fma (- y) y (pow x 4)) (fma x x y) (+ x (sqrt y)) (- x (sqrt y)) (- y) (- (* x x) y) (- (* x x) y) (- (* x x) y) 0.383 * * * [progress]: adding candidates to table 0.430 * * [progress]: iteration 2 / 4 0.430 * * * [progress]: picking best candidate 0.431 * * * * [pick]: Picked # 0.431 * * * [progress]: localizing error 0.437 * * * [progress]: generating rewritten candidates 0.437 * * * [progress]: generating series expansions 0.437 * * * [progress]: simplifying candidates 0.437 * [simplify]: Simplifying using # : 0.439 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.439 * [simplify]: Simplified to: 0.439 * * * [progress]: adding candidates to table 0.439 * [progress]: [Phase 3 of 3] Extracting. 0.441 * [simplify]: Simplifying using # : (* 0.5 (fma x x (- y))) 0.442 * * [simplify]: iteration 0 : 7 enodes (cost 3 ) 0.442 * * [simplify]: iteration 1 : 7 enodes (cost 3 ) 0.442 * [simplify]: Simplified to: (* 0.5 (fma x x (- y))) 0.884 * [regime-testing]: End program error score: 0.00025003125390673836