\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r7031841 = x;
double r7031842 = lo;
double r7031843 = r7031841 - r7031842;
double r7031844 = hi;
double r7031845 = r7031844 - r7031842;
double r7031846 = r7031843 / r7031845;
return r7031846;
}