\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r4730909 = x;
double r4730910 = lo;
double r4730911 = r4730909 - r4730910;
double r4730912 = hi;
double r4730913 = r4730912 - r4730910;
double r4730914 = r4730911 / r4730913;
return r4730914;
}