\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}double f(double a, double b, double c) {
double r60829 = a;
double r60830 = b;
double r60831 = r60829 + r60830;
double r60832 = c;
double r60833 = r60831 + r60832;
double r60834 = 2.0;
double r60835 = r60833 / r60834;
double r60836 = r60835 - r60829;
double r60837 = r60835 * r60836;
double r60838 = r60835 - r60830;
double r60839 = r60837 * r60838;
double r60840 = r60835 - r60832;
double r60841 = r60839 * r60840;
double r60842 = sqrt(r60841);
return r60842;
}