x \cdot \sqrt{y \cdot y - z \cdot z}double f(double x, double y, double z) {
double r29910025 = x;
double r29910026 = y;
double r29910027 = r29910026 * r29910026;
double r29910028 = z;
double r29910029 = r29910028 * r29910028;
double r29910030 = r29910027 - r29910029;
double r29910031 = sqrt(r29910030);
double r29910032 = r29910025 * r29910031;
return r29910032;
}