21.627 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.020 * * * [progress]: [2/2] Setting up program. 0.022 * [progress]: [Phase 2 of 3] Improving. 0.022 * [simplify]: Simplifying using # : (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t) 0.023 * * [simplify]: iteration 0 : 13 enodes (cost 13 ) 0.025 * * [simplify]: iteration 1 : 25 enodes (cost 13 ) 0.028 * * [simplify]: iteration 2 : 49 enodes (cost 13 ) 0.034 * * [simplify]: iteration 3 : 77 enodes (cost 13 ) 0.050 * * [simplify]: iteration 4 : 111 enodes (cost 12 ) 0.066 * * [simplify]: iteration 5 : 136 enodes (cost 12 ) 0.086 * * [simplify]: iteration 6 : 166 enodes (cost 12 ) 0.118 * * [simplify]: iteration 7 : 201 enodes (cost 12 ) 0.165 * * [simplify]: iteration 8 : 294 enodes (cost 12 ) 0.265 * * [simplify]: iteration 9 : 413 enodes (cost 12 ) 0.332 * * [simplify]: iteration 10 : 423 enodes (cost 12 ) 0.402 * * [simplify]: iteration done : 423 enodes (cost 12 ) 0.403 * [simplify]: Simplified to: (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)) 0.407 * * [progress]: iteration 1 / 4 0.407 * * * [progress]: picking best candidate 0.410 * * * * [pick]: Picked # 0.410 * * * [progress]: localizing error 0.420 * * * [progress]: generating rewritten candidates 0.420 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.421 * * * [progress]: generating series expansions 0.421 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.422 * [approximate]: Taking taylor expansion of (fma (- (* 0.5 y)) z (fma 0.125 x t)) in (y z x t) around 0 0.422 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 y)) z (fma 0.125 x t)) in t 0.422 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 y)) z) (fma 0.125 x t)) 0.422 * [taylor]: Taking taylor expansion of (* (- (* 0.5 y)) z) in t 0.422 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in t 0.422 * [taylor]: Taking taylor expansion of (* 0.5 y) in t 0.422 * [taylor]: Taking taylor expansion of 0.5 in t 0.422 * [taylor]: Taking taylor expansion of y in t 0.422 * [taylor]: Taking taylor expansion of z in t 0.422 * [taylor]: Taking taylor expansion of (fma 0.125 x t) in t 0.422 * [taylor]: Rewrote expression to (+ (* 0.125 x) t) 0.422 * [taylor]: Taking taylor expansion of (* 0.125 x) in t 0.422 * [taylor]: Taking taylor expansion of 0.125 in t 0.422 * [taylor]: Taking taylor expansion of x in t 0.422 * [taylor]: Taking taylor expansion of t in t 0.422 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 y)) z (fma 0.125 x t)) in x 0.422 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 y)) z) (fma 0.125 x t)) 0.422 * [taylor]: Taking taylor expansion of (* (- (* 0.5 y)) z) in x 0.422 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in x 0.422 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.422 * [taylor]: Taking taylor expansion of 0.5 in x 0.422 * [taylor]: Taking taylor expansion of y in x 0.422 * [taylor]: Taking taylor expansion of z in x 0.422 * [taylor]: Taking taylor expansion of (fma 0.125 x t) in x 0.423 * [taylor]: Rewrote expression to (+ (* 0.125 x) t) 0.423 * [taylor]: Taking taylor expansion of (* 0.125 x) in x 0.423 * [taylor]: Taking taylor expansion of 0.125 in x 0.423 * [taylor]: Taking taylor expansion of x in x 0.423 * [taylor]: Taking taylor expansion of t in x 0.423 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 y)) z (fma 0.125 x t)) in z 0.423 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 y)) z) (fma 0.125 x t)) 0.423 * [taylor]: Taking taylor expansion of (* (- (* 0.5 y)) z) in z 0.423 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in z 0.423 * [taylor]: Taking taylor expansion of (* 0.5 y) in z 0.423 * [taylor]: Taking taylor expansion of 0.5 in z 0.423 * [taylor]: Taking taylor expansion of y in z 0.423 * [taylor]: Taking taylor expansion of z in z 0.423 * [taylor]: Taking taylor expansion of (fma 0.125 x t) in z 0.423 * [taylor]: Rewrote expression to (+ (* 0.125 x) t) 0.423 * [taylor]: Taking taylor expansion of (* 0.125 x) in z 0.423 * [taylor]: Taking taylor expansion of 0.125 in z 0.423 * [taylor]: Taking taylor expansion of x in z 0.423 * [taylor]: Taking taylor expansion of t in z 0.423 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 y)) z (fma 0.125 x t)) in y 0.423 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 y)) z) (fma 0.125 x t)) 0.423 * [taylor]: Taking taylor expansion of (* (- (* 0.5 y)) z) in y 0.423 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y 0.423 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.423 * [taylor]: Taking taylor expansion of 0.5 in y 0.423 * [taylor]: Taking taylor expansion of y in y 0.423 * [taylor]: Taking taylor expansion of z in y 0.423 * [taylor]: Taking taylor expansion of (fma 0.125 x t) in y 0.423 * [taylor]: Rewrote expression to (+ (* 0.125 x) t) 0.423 * [taylor]: Taking taylor expansion of (* 0.125 x) in y 0.423 * [taylor]: Taking taylor expansion of 0.125 in y 0.423 * [taylor]: Taking taylor expansion of x in y 0.423 * [taylor]: Taking taylor expansion of t in y 0.423 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 y)) z (fma 0.125 x t)) in y 0.424 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 y)) z) (fma 0.125 x t)) 0.424 * [taylor]: Taking taylor expansion of (* (- (* 0.5 y)) z) in y 0.424 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y 0.424 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.424 * [taylor]: Taking taylor expansion of 0.5 in y 0.424 * [taylor]: Taking taylor expansion of y in y 0.424 * [taylor]: Taking taylor expansion of z in y 0.424 * [taylor]: Taking taylor expansion of (fma 0.125 x t) in y 0.424 * [taylor]: Rewrote expression to (+ (* 0.125 x) t) 0.424 * [taylor]: Taking taylor expansion of (* 0.125 x) in y 0.424 * [taylor]: Taking taylor expansion of 0.125 in y 0.424 * [taylor]: Taking taylor expansion of x in y 0.424 * [taylor]: Taking taylor expansion of t in y 0.425 * [taylor]: Taking taylor expansion of (+ t (* 0.125 x)) in z 0.425 * [taylor]: Taking taylor expansion of t in z 0.425 * [taylor]: Taking taylor expansion of (* 0.125 x) in z 0.425 * [taylor]: Taking taylor expansion of 0.125 in z 0.425 * [taylor]: Taking taylor expansion of x in z 0.425 * [taylor]: Taking taylor expansion of (+ t (* 0.125 x)) in x 0.425 * [taylor]: Taking taylor expansion of t in x 0.425 * [taylor]: Taking taylor expansion of (* 0.125 x) in x 0.425 * [taylor]: Taking taylor expansion of 0.125 in x 0.425 * [taylor]: Taking taylor expansion of x in x 0.425 * [taylor]: Taking taylor expansion of t in t 0.428 * [taylor]: Taking taylor expansion of (- (* 0.5 z)) in z 0.428 * [taylor]: Taking taylor expansion of (* 0.5 z) in z 0.428 * [taylor]: Taking taylor expansion of 0.5 in z 0.428 * [taylor]: Taking taylor expansion of z in z 0.429 * [taylor]: Taking taylor expansion of 0 in x 0.429 * [taylor]: Taking taylor expansion of 0 in t 0.430 * [taylor]: Taking taylor expansion of 0 in x 0.430 * [taylor]: Taking taylor expansion of 0 in t 0.431 * [taylor]: Taking taylor expansion of 0.125 in t 0.434 * [taylor]: Taking taylor expansion of 0 in z 0.434 * [taylor]: Taking taylor expansion of 0 in x 0.434 * [taylor]: Taking taylor expansion of 0 in t 0.435 * [taylor]: Taking taylor expansion of (- 0.5) in x 0.435 * [taylor]: Taking taylor expansion of 0.5 in x 0.436 * [taylor]: Taking taylor expansion of (- 0.5) in t 0.436 * [taylor]: Taking taylor expansion of 0.5 in t 0.438 * [approximate]: Taking taylor expansion of (fma (- (* 0.5 (/ 1 y))) (/ 1 z) (fma 0.125 (/ 1 x) (/ 1 t))) in (y z x t) around 0 0.438 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 (/ 1 y))) (/ 1 z) (fma 0.125 (/ 1 x) (/ 1 t))) in t 0.438 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 (/ 1 y))) (/ 1 z)) (fma 0.125 (/ 1 x) (/ 1 t))) 0.438 * [taylor]: Taking taylor expansion of (* (- (* 0.5 (/ 1 y))) (/ 1 z)) in t 0.438 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in t 0.438 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in t 0.438 * [taylor]: Taking taylor expansion of 0.5 in t 0.438 * [taylor]: Taking taylor expansion of (/ 1 y) in t 0.438 * [taylor]: Taking taylor expansion of y in t 0.438 * [taylor]: Taking taylor expansion of (/ 1 z) in t 0.438 * [taylor]: Taking taylor expansion of z in t 0.438 * [taylor]: Taking taylor expansion of (fma 0.125 (/ 1 x) (/ 1 t)) in t 0.438 * [taylor]: Rewrote expression to (+ (* 0.125 (/ 1 x)) (/ 1 t)) 0.438 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in t 0.438 * [taylor]: Taking taylor expansion of 0.125 in t 0.438 * [taylor]: Taking taylor expansion of (/ 1 x) in t 0.438 * [taylor]: Taking taylor expansion of x in t 0.438 * [taylor]: Taking taylor expansion of (/ 1 t) in t 0.438 * [taylor]: Taking taylor expansion of t in t 0.439 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 (/ 1 y))) (/ 1 z) (fma 0.125 (/ 1 x) (/ 1 t))) in x 0.439 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 (/ 1 y))) (/ 1 z)) (fma 0.125 (/ 1 x) (/ 1 t))) 0.439 * [taylor]: Taking taylor expansion of (* (- (* 0.5 (/ 1 y))) (/ 1 z)) in x 0.439 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in x 0.439 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.439 * [taylor]: Taking taylor expansion of 0.5 in x 0.439 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.439 * [taylor]: Taking taylor expansion of y in x 0.439 * [taylor]: Taking taylor expansion of (/ 1 z) in x 0.439 * [taylor]: Taking taylor expansion of z in x 0.439 * [taylor]: Taking taylor expansion of (fma 0.125 (/ 1 x) (/ 1 t)) in x 0.439 * [taylor]: Rewrote expression to (+ (* 0.125 (/ 1 x)) (/ 1 t)) 0.439 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in x 0.439 * [taylor]: Taking taylor expansion of 0.125 in x 0.439 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.439 * [taylor]: Taking taylor expansion of x in x 0.440 * [taylor]: Taking taylor expansion of (/ 1 t) in x 0.440 * [taylor]: Taking taylor expansion of t in x 0.440 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 (/ 1 y))) (/ 1 z) (fma 0.125 (/ 1 x) (/ 1 t))) in z 0.440 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 (/ 1 y))) (/ 1 z)) (fma 0.125 (/ 1 x) (/ 1 t))) 0.440 * [taylor]: Taking taylor expansion of (* (- (* 0.5 (/ 1 y))) (/ 1 z)) in z 0.440 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in z 0.440 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in z 0.440 * [taylor]: Taking taylor expansion of 0.5 in z 0.440 * [taylor]: Taking taylor expansion of (/ 1 y) in z 0.440 * [taylor]: Taking taylor expansion of y in z 0.440 * [taylor]: Taking taylor expansion of (/ 1 z) in z 0.440 * [taylor]: Taking taylor expansion of z in z 0.440 * [taylor]: Taking taylor expansion of (fma 0.125 (/ 1 x) (/ 1 t)) in z 0.440 * [taylor]: Rewrote expression to (+ (* 0.125 (/ 1 x)) (/ 1 t)) 0.440 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in z 0.440 * [taylor]: Taking taylor expansion of 0.125 in z 0.440 * [taylor]: Taking taylor expansion of (/ 1 x) in z 0.440 * [taylor]: Taking taylor expansion of x in z 0.441 * [taylor]: Taking taylor expansion of (/ 1 t) in z 0.441 * [taylor]: Taking taylor expansion of t in z 0.441 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 (/ 1 y))) (/ 1 z) (fma 0.125 (/ 1 x) (/ 1 t))) in y 0.441 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 (/ 1 y))) (/ 1 z)) (fma 0.125 (/ 1 x) (/ 1 t))) 0.441 * [taylor]: Taking taylor expansion of (* (- (* 0.5 (/ 1 y))) (/ 1 z)) in y 0.441 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 0.441 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.441 * [taylor]: Taking taylor expansion of 0.5 in y 0.441 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.441 * [taylor]: Taking taylor expansion of y in y 0.441 * [taylor]: Taking taylor expansion of (/ 1 z) in y 0.441 * [taylor]: Taking taylor expansion of z in y 0.441 * [taylor]: Taking taylor expansion of (fma 0.125 (/ 1 x) (/ 1 t)) in y 0.441 * [taylor]: Rewrote expression to (+ (* 0.125 (/ 1 x)) (/ 1 t)) 0.441 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in y 0.441 * [taylor]: Taking taylor expansion of 0.125 in y 0.441 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.441 * [taylor]: Taking taylor expansion of x in y 0.441 * [taylor]: Taking taylor expansion of (/ 1 t) in y 0.441 * [taylor]: Taking taylor expansion of t in y 0.441 * [taylor]: Taking taylor expansion of (fma (- (* 0.5 (/ 1 y))) (/ 1 z) (fma 0.125 (/ 1 x) (/ 1 t))) in y 0.442 * [taylor]: Rewrote expression to (+ (* (- (* 0.5 (/ 1 y))) (/ 1 z)) (fma 0.125 (/ 1 x) (/ 1 t))) 0.442 * [taylor]: Taking taylor expansion of (* (- (* 0.5 (/ 1 y))) (/ 1 z)) in y 0.442 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 0.442 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.442 * [taylor]: Taking taylor expansion of 0.5 in y 0.442 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.442 * [taylor]: Taking taylor expansion of y in y 0.442 * [taylor]: Taking taylor expansion of (/ 1 z) in y 0.442 * [taylor]: Taking taylor expansion of z in y 0.442 * [taylor]: Taking taylor expansion of (fma 0.125 (/ 1 x) (/ 1 t)) in y 0.442 * [taylor]: Rewrote expression to (+ (* 0.125 (/ 1 x)) (/ 1 t)) 0.442 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in y 0.442 * [taylor]: Taking taylor expansion of 0.125 in y 0.442 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.442 * [taylor]: Taking taylor expansion of x in y 0.442 * [taylor]: Taking taylor expansion of (/ 1 t) in y 0.442 * [taylor]: Taking taylor expansion of t in y 0.443 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 z))) in z 0.443 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z 0.443 * [taylor]: Taking taylor expansion of 0.5 in z 0.443 * [taylor]: Taking taylor expansion of (/ 1 z) in z 0.443 * [taylor]: Taking taylor expansion of z in z 0.444 * [taylor]: Taking taylor expansion of (- 0.5) in x 0.444 * [taylor]: Taking taylor expansion of 0.5 in x 0.446 * [taylor]: Taking taylor expansion of (+ (* 0.125 (/ 1 x)) (/ 1 t)) in z 0.446 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in z 0.446 * [taylor]: Taking taylor expansion of 0.125 in z 0.446 * [taylor]: Taking taylor expansion of (/ 1 x) in z 0.446 * [taylor]: Taking taylor expansion of x in z 0.447 * [taylor]: Taking taylor expansion of (/ 1 t) in z 0.447 * [taylor]: Taking taylor expansion of t in z 0.448 * [taylor]: Taking taylor expansion of 0 in x 0.448 * [taylor]: Taking taylor expansion of (- 0.5) in t 0.448 * [taylor]: Taking taylor expansion of 0.5 in t 0.456 * [taylor]: Taking taylor expansion of 0 in z 0.456 * [taylor]: Taking taylor expansion of (+ (/ 1 t) (* 0.125 (/ 1 x))) in x 0.456 * [taylor]: Taking taylor expansion of (/ 1 t) in x 0.457 * [taylor]: Taking taylor expansion of t in x 0.457 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in x 0.457 * [taylor]: Taking taylor expansion of 0.125 in x 0.457 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.457 * [taylor]: Taking taylor expansion of x in x 0.458 * [taylor]: Taking taylor expansion of 0.125 in t 0.459 * [taylor]: Taking taylor expansion of 0 in x 0.459 * [taylor]: Taking taylor expansion of 0 in t 0.460 * [taylor]: Taking taylor expansion of 0 in t 0.465 * [taylor]: Taking taylor expansion of 0 in z 0.465 * [taylor]: Taking taylor expansion of 0 in x 0.466 * [taylor]: Taking taylor expansion of 0 in x 0.467 * [taylor]: Taking taylor expansion of 0 in x 0.468 * [taylor]: Taking taylor expansion of (/ 1 t) in t 0.468 * [taylor]: Taking taylor expansion of t in t 0.469 * [taylor]: Taking taylor expansion of 0 in t 0.469 * [taylor]: Taking taylor expansion of 0 in t 0.469 * [taylor]: Taking taylor expansion of 0 in t 0.471 * [approximate]: Taking taylor expansion of (fma (* 0.5 (/ 1 y)) (/ -1 z) (fma 0.125 (/ -1 x) (/ -1 t))) in (y z x t) around 0 0.471 * [taylor]: Taking taylor expansion of (fma (* 0.5 (/ 1 y)) (/ -1 z) (fma 0.125 (/ -1 x) (/ -1 t))) in t 0.471 * [taylor]: Rewrote expression to (+ (* (* 0.5 (/ 1 y)) (/ -1 z)) (fma 0.125 (/ -1 x) (/ -1 t))) 0.471 * [taylor]: Taking taylor expansion of (* (* 0.5 (/ 1 y)) (/ -1 z)) in t 0.471 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in t 0.471 * [taylor]: Taking taylor expansion of 0.5 in t 0.471 * [taylor]: Taking taylor expansion of (/ 1 y) in t 0.471 * [taylor]: Taking taylor expansion of y in t 0.471 * [taylor]: Taking taylor expansion of (/ -1 z) in t 0.471 * [taylor]: Taking taylor expansion of -1 in t 0.471 * [taylor]: Taking taylor expansion of z in t 0.471 * [taylor]: Taking taylor expansion of (fma 0.125 (/ -1 x) (/ -1 t)) in t 0.471 * [taylor]: Rewrote expression to (+ (* 0.125 (/ -1 x)) (/ -1 t)) 0.472 * [taylor]: Taking taylor expansion of (* 0.125 (/ -1 x)) in t 0.472 * [taylor]: Taking taylor expansion of 0.125 in t 0.472 * [taylor]: Taking taylor expansion of (/ -1 x) in t 0.472 * [taylor]: Taking taylor expansion of -1 in t 0.472 * [taylor]: Taking taylor expansion of x in t 0.472 * [taylor]: Taking taylor expansion of (/ -1 t) in t 0.472 * [taylor]: Taking taylor expansion of -1 in t 0.472 * [taylor]: Taking taylor expansion of t in t 0.472 * [taylor]: Taking taylor expansion of (fma (* 0.5 (/ 1 y)) (/ -1 z) (fma 0.125 (/ -1 x) (/ -1 t))) in x 0.472 * [taylor]: Rewrote expression to (+ (* (* 0.5 (/ 1 y)) (/ -1 z)) (fma 0.125 (/ -1 x) (/ -1 t))) 0.472 * [taylor]: Taking taylor expansion of (* (* 0.5 (/ 1 y)) (/ -1 z)) in x 0.472 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.472 * [taylor]: Taking taylor expansion of 0.5 in x 0.472 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.472 * [taylor]: Taking taylor expansion of y in x 0.472 * [taylor]: Taking taylor expansion of (/ -1 z) in x 0.472 * [taylor]: Taking taylor expansion of -1 in x 0.472 * [taylor]: Taking taylor expansion of z in x 0.472 * [taylor]: Taking taylor expansion of (fma 0.125 (/ -1 x) (/ -1 t)) in x 0.472 * [taylor]: Rewrote expression to (+ (* 0.125 (/ -1 x)) (/ -1 t)) 0.472 * [taylor]: Taking taylor expansion of (* 0.125 (/ -1 x)) in x 0.472 * [taylor]: Taking taylor expansion of 0.125 in x 0.473 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.473 * [taylor]: Taking taylor expansion of -1 in x 0.473 * [taylor]: Taking taylor expansion of x in x 0.473 * [taylor]: Taking taylor expansion of (/ -1 t) in x 0.473 * [taylor]: Taking taylor expansion of -1 in x 0.473 * [taylor]: Taking taylor expansion of t in x 0.473 * [taylor]: Taking taylor expansion of (fma (* 0.5 (/ 1 y)) (/ -1 z) (fma 0.125 (/ -1 x) (/ -1 t))) in z 0.473 * [taylor]: Rewrote expression to (+ (* (* 0.5 (/ 1 y)) (/ -1 z)) (fma 0.125 (/ -1 x) (/ -1 t))) 0.473 * [taylor]: Taking taylor expansion of (* (* 0.5 (/ 1 y)) (/ -1 z)) in z 0.473 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in z 0.473 * [taylor]: Taking taylor expansion of 0.5 in z 0.473 * [taylor]: Taking taylor expansion of (/ 1 y) in z 0.473 * [taylor]: Taking taylor expansion of y in z 0.473 * [taylor]: Taking taylor expansion of (/ -1 z) in z 0.473 * [taylor]: Taking taylor expansion of -1 in z 0.473 * [taylor]: Taking taylor expansion of z in z 0.474 * [taylor]: Taking taylor expansion of (fma 0.125 (/ -1 x) (/ -1 t)) in z 0.474 * [taylor]: Rewrote expression to (+ (* 0.125 (/ -1 x)) (/ -1 t)) 0.474 * [taylor]: Taking taylor expansion of (* 0.125 (/ -1 x)) in z 0.474 * [taylor]: Taking taylor expansion of 0.125 in z 0.474 * [taylor]: Taking taylor expansion of (/ -1 x) in z 0.474 * [taylor]: Taking taylor expansion of -1 in z 0.474 * [taylor]: Taking taylor expansion of x in z 0.474 * [taylor]: Taking taylor expansion of (/ -1 t) in z 0.474 * [taylor]: Taking taylor expansion of -1 in z 0.474 * [taylor]: Taking taylor expansion of t in z 0.474 * [taylor]: Taking taylor expansion of (fma (* 0.5 (/ 1 y)) (/ -1 z) (fma 0.125 (/ -1 x) (/ -1 t))) in y 0.474 * [taylor]: Rewrote expression to (+ (* (* 0.5 (/ 1 y)) (/ -1 z)) (fma 0.125 (/ -1 x) (/ -1 t))) 0.474 * [taylor]: Taking taylor expansion of (* (* 0.5 (/ 1 y)) (/ -1 z)) in y 0.474 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.474 * [taylor]: Taking taylor expansion of 0.5 in y 0.474 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.474 * [taylor]: Taking taylor expansion of y in y 0.474 * [taylor]: Taking taylor expansion of (/ -1 z) in y 0.474 * [taylor]: Taking taylor expansion of -1 in y 0.475 * [taylor]: Taking taylor expansion of z in y 0.475 * [taylor]: Taking taylor expansion of (fma 0.125 (/ -1 x) (/ -1 t)) in y 0.475 * [taylor]: Rewrote expression to (+ (* 0.125 (/ -1 x)) (/ -1 t)) 0.475 * [taylor]: Taking taylor expansion of (* 0.125 (/ -1 x)) in y 0.475 * [taylor]: Taking taylor expansion of 0.125 in y 0.475 * [taylor]: Taking taylor expansion of (/ -1 x) in y 0.475 * [taylor]: Taking taylor expansion of -1 in y 0.475 * [taylor]: Taking taylor expansion of x in y 0.475 * [taylor]: Taking taylor expansion of (/ -1 t) in y 0.475 * [taylor]: Taking taylor expansion of -1 in y 0.475 * [taylor]: Taking taylor expansion of t in y 0.475 * [taylor]: Taking taylor expansion of (fma (* 0.5 (/ 1 y)) (/ -1 z) (fma 0.125 (/ -1 x) (/ -1 t))) in y 0.475 * [taylor]: Rewrote expression to (+ (* (* 0.5 (/ 1 y)) (/ -1 z)) (fma 0.125 (/ -1 x) (/ -1 t))) 0.475 * [taylor]: Taking taylor expansion of (* (* 0.5 (/ 1 y)) (/ -1 z)) in y 0.475 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.475 * [taylor]: Taking taylor expansion of 0.5 in y 0.475 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.475 * [taylor]: Taking taylor expansion of y in y 0.475 * [taylor]: Taking taylor expansion of (/ -1 z) in y 0.475 * [taylor]: Taking taylor expansion of -1 in y 0.475 * [taylor]: Taking taylor expansion of z in y 0.475 * [taylor]: Taking taylor expansion of (fma 0.125 (/ -1 x) (/ -1 t)) in y 0.476 * [taylor]: Rewrote expression to (+ (* 0.125 (/ -1 x)) (/ -1 t)) 0.476 * [taylor]: Taking taylor expansion of (* 0.125 (/ -1 x)) in y 0.476 * [taylor]: Taking taylor expansion of 0.125 in y 0.476 * [taylor]: Taking taylor expansion of (/ -1 x) in y 0.476 * [taylor]: Taking taylor expansion of -1 in y 0.476 * [taylor]: Taking taylor expansion of x in y 0.476 * [taylor]: Taking taylor expansion of (/ -1 t) in y 0.476 * [taylor]: Taking taylor expansion of -1 in y 0.476 * [taylor]: Taking taylor expansion of t in y 0.476 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 z))) in z 0.476 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z 0.476 * [taylor]: Taking taylor expansion of 0.5 in z 0.476 * [taylor]: Taking taylor expansion of (/ 1 z) in z 0.476 * [taylor]: Taking taylor expansion of z in z 0.477 * [taylor]: Taking taylor expansion of (- 0.5) in x 0.477 * [taylor]: Taking taylor expansion of 0.5 in x 0.479 * [taylor]: Taking taylor expansion of (- (+ (* 0.125 (/ 1 x)) (/ 1 t))) in z 0.479 * [taylor]: Taking taylor expansion of (+ (* 0.125 (/ 1 x)) (/ 1 t)) in z 0.479 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in z 0.479 * [taylor]: Taking taylor expansion of 0.125 in z 0.479 * [taylor]: Taking taylor expansion of (/ 1 x) in z 0.479 * [taylor]: Taking taylor expansion of x in z 0.479 * [taylor]: Taking taylor expansion of (/ 1 t) in z 0.479 * [taylor]: Taking taylor expansion of t in z 0.480 * [taylor]: Taking taylor expansion of 0 in x 0.481 * [taylor]: Taking taylor expansion of (- 0.5) in t 0.481 * [taylor]: Taking taylor expansion of 0.5 in t 0.483 * [taylor]: Taking taylor expansion of 0 in z 0.484 * [taylor]: Taking taylor expansion of (- (+ (/ 1 t) (* 0.125 (/ 1 x)))) in x 0.484 * [taylor]: Taking taylor expansion of (+ (/ 1 t) (* 0.125 (/ 1 x))) in x 0.484 * [taylor]: Taking taylor expansion of (/ 1 t) in x 0.484 * [taylor]: Taking taylor expansion of t in x 0.484 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 x)) in x 0.484 * [taylor]: Taking taylor expansion of 0.125 in x 0.484 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.484 * [taylor]: Taking taylor expansion of x in x 0.485 * [taylor]: Taking taylor expansion of (- 0.125) in t 0.485 * [taylor]: Taking taylor expansion of 0.125 in t 0.486 * [taylor]: Taking taylor expansion of 0 in x 0.486 * [taylor]: Taking taylor expansion of 0 in t 0.487 * [taylor]: Taking taylor expansion of 0 in t 0.491 * [taylor]: Taking taylor expansion of 0 in z 0.491 * [taylor]: Taking taylor expansion of 0 in x 0.492 * [taylor]: Taking taylor expansion of 0 in x 0.493 * [taylor]: Taking taylor expansion of 0 in x 0.494 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t 0.494 * [taylor]: Taking taylor expansion of (/ 1 t) in t 0.494 * [taylor]: Taking taylor expansion of t in t 0.495 * [taylor]: Taking taylor expansion of 0 in t 0.495 * [taylor]: Taking taylor expansion of 0 in t 0.495 * [taylor]: Taking taylor expansion of 0 in t 0.497 * * * [progress]: simplifying candidates 0.498 * [simplify]: Simplifying using # : (expm1 (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (log1p (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (* (- (/ y 2.0)) z) (log (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (exp (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (* (cbrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (cbrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)))) (cbrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (* (* (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)) (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (sqrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (sqrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (- (+ (* 0.125 x) t) (* 0.5 (* z y))) (- (+ t (* 0.125 x)) (* 0.5 (* z y))) (- (+ t (* 0.125 x)) (* 0.5 (* z y))) 0.499 * * [simplify]: iteration 0 : 31 enodes (cost 195 ) 0.503 * * [simplify]: iteration 1 : 52 enodes (cost 192 ) 0.510 * * [simplify]: iteration 2 : 110 enodes (cost 168 ) 0.533 * * [simplify]: iteration 3 : 300 enodes (cost 168 ) 0.639 * * [simplify]: iteration 4 : 1306 enodes (cost 168 ) 1.424 * * [simplify]: iteration done : 5000 enodes (cost 168 ) 1.424 * [simplify]: Simplified to: (expm1 (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (log1p (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (* (- (/ y 2.0)) z) (log (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (exp (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (* (cbrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (cbrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)))) (cbrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (pow (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)) 3) (sqrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (sqrt (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t))) (- (fma 0.125 x t) (* 0.5 (* z y))) (- (fma 0.125 x t) (* 0.5 (* z y))) (- (fma 0.125 x t) (* 0.5 (* z y))) 1.425 * * * [progress]: adding candidates to table 1.465 * [progress]: [Phase 3 of 3] Extracting. 1.468 * [simplify]: Simplifying using # : (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)) 1.468 * * [simplify]: iteration 0 : 12 enodes (cost 12 ) 1.469 * * [simplify]: iteration 1 : 14 enodes (cost 12 ) 1.469 * * [simplify]: iteration done : 14 enodes (cost 12 ) 1.469 * [simplify]: Simplified to: (fma (- (/ y 2.0)) z (fma (/ 1.0 8.0) x t)) 2.108 * [regime-testing]: End program error score: 0.00037504688086010754 2.135 * [regime-testing]: Target error score: 0.004875609451181397