\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 r96537 = a;
double r96538 = b;
double r96539 = r96537 + r96538;
double r96540 = c;
double r96541 = r96539 + r96540;
double r96542 = 2.0;
double r96543 = r96541 / r96542;
double r96544 = r96543 - r96537;
double r96545 = r96543 * r96544;
double r96546 = r96543 - r96538;
double r96547 = r96545 * r96546;
double r96548 = r96543 - r96540;
double r96549 = r96547 * r96548;
double r96550 = sqrt(r96549);
return r96550;
}