\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 r34303 = a;
double r34304 = b;
double r34305 = r34303 + r34304;
double r34306 = c;
double r34307 = r34305 + r34306;
double r34308 = 2.0;
double r34309 = r34307 / r34308;
double r34310 = r34309 - r34303;
double r34311 = r34309 * r34310;
double r34312 = r34309 - r34304;
double r34313 = r34311 * r34312;
double r34314 = r34309 - r34306;
double r34315 = r34313 * r34314;
double r34316 = sqrt(r34315);
return r34316;
}