Average Error: 2.0 → 0.5
Time: 8.4s
Precision: binary64
\[\]
\[\]
double code(double x, double y, double z, double t, double a, double b) {
	return ((double) (((double) (((double) (x + ((double) (y * z)))) + ((double) (t * a)))) + ((double) (((double) (a * z)) * b))));
}
double code(double x, double y, double z, double t, double a, double b) {
	double VAR;
	if (((a <= -6.349317085929084e-14) || !(a <= 3.729775424660717e-93))) {
		VAR = ((double) (x + ((double) (((double) (y * z)) + ((double) (a * ((double) (t + ((double) (z * b))))))))));
	} else {
		VAR = ((double) (((double) (((double) (x + ((double) (y * z)))) + ((double) (a * t)))) + ((double) (b * ((double) (a * z))))));
	}
	return VAR;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Bits error versus t

Bits error versus a

Bits error versus b

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original2.0
Target0.4
Herbie0.5
\[\]

Derivation

  1. Split input into 2 regimes
  2. if a < -6.34931708592908358e-14 or 3.72977542466071703e-93 < a

    1. Initial program 3.9

      \[\]
    2. Simplified0.6

      \[\leadsto \]

    if -6.34931708592908358e-14 < a < 3.72977542466071703e-93

    1. Initial program 0.4

      \[\]
  3. Recombined 2 regimes into one program.
  4. Final simplification0.5

    \[\leadsto \]

Reproduce

herbie shell --seed 2020179 
(FPCore (x y z t a b)
  :name "Graphics.Rasterific.CubicBezier:cachedBezierAt from Rasterific-0.6.1"
  :precision binary64

  :herbie-target
  (if (< z -1.1820553527347888e+19) (+ (* z (+ (* b a) y)) (+ x (* t a))) (if (< z 4.7589743188364287e-122) (+ (* (+ (* b z) t) a) (+ (* z y) x)) (+ (* z (+ (* b a) y)) (+ x (* t a)))))

  (+ (+ (+ x (* y z)) (* t a)) (* (* a z) b)))