double f(double a, double b, double c) {
double r4353162 = a;
double r4353163 = b;
double r4353164 = r4353162 + r4353163;
double r4353165 = c;
double r4353166 = r4353164 + r4353165;
double r4353167 = 2.0;
double r4353168 = r4353166 / r4353167;
double r4353169 = r4353168 - r4353162;
double r4353170 = r4353168 * r4353169;
double r4353171 = r4353168 - r4353163;
double r4353172 = r4353170 * r4353171;
double r4353173 = r4353168 - r4353165;
double r4353174 = r4353172 * r4353173;
double r4353175 = sqrt(r4353174);
return r4353175;
}