\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 r6349 = a;
double r6350 = b;
double r6351 = r6349 + r6350;
double r6352 = c;
double r6353 = r6351 + r6352;
double r6354 = 2.0;
double r6355 = r6353 / r6354;
double r6356 = r6355 - r6349;
double r6357 = r6355 * r6356;
double r6358 = r6355 - r6350;
double r6359 = r6357 * r6358;
double r6360 = r6355 - r6352;
double r6361 = r6359 * r6360;
double r6362 = sqrt(r6361);
return r6362;
}