\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r5143708 = x;
double r5143709 = lo;
double r5143710 = r5143708 - r5143709;
double r5143711 = hi;
double r5143712 = r5143711 - r5143709;
double r5143713 = r5143710 / r5143712;
return r5143713;
}