double f(double a, double b, double c) {
double r4964532 = a;
double r4964533 = b;
double r4964534 = r4964532 + r4964533;
double r4964535 = c;
double r4964536 = r4964534 + r4964535;
double r4964537 = 2.0;
double r4964538 = r4964536 / r4964537;
double r4964539 = r4964538 - r4964532;
double r4964540 = r4964538 * r4964539;
double r4964541 = r4964538 - r4964533;
double r4964542 = r4964540 * r4964541;
double r4964543 = r4964538 - r4964535;
double r4964544 = r4964542 * r4964543;
double r4964545 = sqrt(r4964544);
return r4964545;
}