\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 r6352 = a;
double r6353 = b;
double r6354 = r6352 + r6353;
double r6355 = c;
double r6356 = r6354 + r6355;
double r6357 = 2.0;
double r6358 = r6356 / r6357;
double r6359 = r6358 - r6352;
double r6360 = r6358 * r6359;
double r6361 = r6358 - r6353;
double r6362 = r6360 * r6361;
double r6363 = r6358 - r6355;
double r6364 = r6362 * r6363;
double r6365 = sqrt(r6364);
return r6365;
}