double f(double a, double b, double c) {
double r4825817 = a;
double r4825818 = b;
double r4825819 = r4825817 + r4825818;
double r4825820 = c;
double r4825821 = r4825819 + r4825820;
double r4825822 = 2.0;
double r4825823 = r4825821 / r4825822;
double r4825824 = r4825823 - r4825817;
double r4825825 = r4825823 * r4825824;
double r4825826 = r4825823 - r4825818;
double r4825827 = r4825825 * r4825826;
double r4825828 = r4825823 - r4825820;
double r4825829 = r4825827 * r4825828;
double r4825830 = sqrt(r4825829);
return r4825830;
}