\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r4813589 = x;
double r4813590 = lo;
double r4813591 = r4813589 - r4813590;
double r4813592 = hi;
double r4813593 = r4813592 - r4813590;
double r4813594 = r4813591 / r4813593;
return r4813594;
}