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 r456898 = x;
        double r456899 = y;
        double r456900 = r456899 * r456899;
        double r456901 = z;
        double r456902 = r456901 * r456901;
        double r456903 = r456900 - r456902;
        double r456904 = sqrt(r456903);
        double r456905 = r456898 * r456904;
        return r456905;
}