Cannot sample enough valid points. (more)

\[x \cdot \sqrt{y \cdot y - z \cdot z}\]
x \cdot \sqrt{y \cdot y - z \cdot z}
double f(double x, double y, double z) {
        double r748187 = x;
        double r748188 = y;
        double r748189 = r748188 * r748188;
        double r748190 = z;
        double r748191 = r748190 * r748190;
        double r748192 = r748189 - r748191;
        double r748193 = sqrt(r748192);
        double r748194 = r748187 * r748193;
        return r748194;
}