\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r5516776 = x;
double r5516777 = lo;
double r5516778 = r5516776 - r5516777;
double r5516779 = hi;
double r5516780 = r5516779 - r5516777;
double r5516781 = r5516778 / r5516780;
return r5516781;
}