\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r2457984 = x;
double r2457985 = lo;
double r2457986 = r2457984 - r2457985;
double r2457987 = hi;
double r2457988 = r2457987 - r2457985;
double r2457989 = r2457986 / r2457988;
return r2457989;
}