\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r724381 = x;
double r724382 = lo;
double r724383 = r724381 - r724382;
double r724384 = hi;
double r724385 = r724384 - r724382;
double r724386 = r724383 / r724385;
return r724386;
}