\frac{\left(x - lo\right)}{\left(hi - lo\right)}double f(double lo, double hi, double x) {
double r7090270 = x;
double r7090271 = lo;
double r7090272 = r7090270 - r7090271;
double r7090273 = hi;
double r7090274 = r7090273 - r7090271;
double r7090275 = r7090272 / r7090274;
return r7090275;
}