x \cdot \sqrt{y \cdot y - z \cdot z}double f(double x, double y, double z) {
double r41160050 = x;
double r41160051 = y;
double r41160052 = r41160051 * r41160051;
double r41160053 = z;
double r41160054 = r41160053 * r41160053;
double r41160055 = r41160052 - r41160054;
double r41160056 = sqrt(r41160055);
double r41160057 = r41160050 * r41160056;
return r41160057;
}