double f(double a, double b, double c) {
double r10365080 = a;
double r10365081 = b;
double r10365082 = r10365080 + r10365081;
double r10365083 = c;
double r10365084 = r10365082 + r10365083;
double r10365085 = 2.0;
double r10365086 = r10365084 / r10365085;
double r10365087 = r10365086 - r10365080;
double r10365088 = r10365086 * r10365087;
double r10365089 = r10365086 - r10365081;
double r10365090 = r10365088 * r10365089;
double r10365091 = r10365086 - r10365083;
double r10365092 = r10365090 * r10365091;
double r10365093 = sqrt(r10365092);
return r10365093;
}