\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 r96960 = a;
double r96961 = b;
double r96962 = r96960 + r96961;
double r96963 = c;
double r96964 = r96962 + r96963;
double r96965 = 2.0;
double r96966 = r96964 / r96965;
double r96967 = r96966 - r96960;
double r96968 = r96966 * r96967;
double r96969 = r96966 - r96961;
double r96970 = r96968 * r96969;
double r96971 = r96966 - r96963;
double r96972 = r96970 * r96971;
double r96973 = sqrt(r96972);
return r96973;
}