/**
* Intersects the ith component of this box with another interval.
*
* @return true iff the intersection is nonempty
*/
public boolean setToInter(int i, Interval x) {
// if (x.isEmpty()) { setToEmpty(); return false; }
// if (isEmpty()) return false;
comp.get(i).setToInter(x);
if (comp.get(i).isEmpty()) {
setToEmpty();
return false;
}
return true;
}
/**
* Assign the ith component to [lb,ub], unless the box was empty in which case the ith component
* remains the empty interval.
*/
private void set(int i, double lb, double ub) {
if (!isEmpty()) {
comp.get(i).set(lb, ub);
if (comp.get(i).isEmpty()) setToEmpty();
}
}