\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r1219082 = x;
double r1219083 = lo;
double r1219084 = r1219082 - r1219083;
double r1219085 = hi;
double r1219086 = r1219085 - r1219083;
double r1219087 = r1219084 / r1219086;
return r1219087;
}