double f(double a, double b, double c) {
double r4553088 = a;
double r4553089 = b;
double r4553090 = r4553088 + r4553089;
double r4553091 = c;
double r4553092 = r4553090 + r4553091;
double r4553093 = 2.0;
double r4553094 = r4553092 / r4553093;
double r4553095 = r4553094 - r4553088;
double r4553096 = r4553094 * r4553095;
double r4553097 = r4553094 - r4553089;
double r4553098 = r4553096 * r4553097;
double r4553099 = r4553094 - r4553091;
double r4553100 = r4553098 * r4553099;
double r4553101 = sqrt(r4553100);
return r4553101;
}