double f(double a, double b, double c) {
double r1007227 = a;
double r1007228 = b;
double r1007229 = r1007227 + r1007228;
double r1007230 = c;
double r1007231 = r1007229 + r1007230;
double r1007232 = 2.0;
double r1007233 = r1007231 / r1007232;
double r1007234 = r1007233 - r1007227;
double r1007235 = r1007233 * r1007234;
double r1007236 = r1007233 - r1007228;
double r1007237 = r1007235 * r1007236;
double r1007238 = r1007233 - r1007230;
double r1007239 = r1007237 * r1007238;
double r1007240 = sqrt(r1007239);
return r1007240;
}