\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r6286635 = x;
double r6286636 = lo;
double r6286637 = r6286635 - r6286636;
double r6286638 = hi;
double r6286639 = r6286638 - r6286636;
double r6286640 = r6286637 / r6286639;
return r6286640;
}