\[x \cdot \sqrt{y \cdot y - z \cdot z}\]

x \cdot \sqrt{y \cdot y - z \cdot z}

double code(double x, double y, double z) {
	return ((double) (x * ((double) sqrt(((double) (((double) (y * y)) - ((double) (z * z))))))));
}

Reproduce

herbie shell --seed 2020150 
(FPCore (x y z)
  :name "Diagrams.TwoD.Apollonian:initialConfig from diagrams-contrib-1.3.0.5, B"
  :precision binary64

  :herbie-target
  (if (< y 2.5816096488251695e-278) (neg (* x y)) (* x (* (sqrt (+ y z)) (sqrt (- y z)))))

  (* x (sqrt (- (* y y) (* z z)))))

Cannot sample enough valid points. (more)

Reproduce