double f(double a, double b, double c) {
double r2741227 = a;
double r2741228 = b;
double r2741229 = r2741227 + r2741228;
double r2741230 = c;
double r2741231 = r2741229 + r2741230;
double r2741232 = 2.0;
double r2741233 = r2741231 / r2741232;
double r2741234 = r2741233 - r2741227;
double r2741235 = r2741233 * r2741234;
double r2741236 = r2741233 - r2741228;
double r2741237 = r2741235 * r2741236;
double r2741238 = r2741233 - r2741230;
double r2741239 = r2741237 * r2741238;
double r2741240 = sqrt(r2741239);
return r2741240;
}