/**
* Removes from the receiver all elements that are contained in the specified list. Tests for
* identity.
*
* @param other the other list.
* @return <code>true</code> if the receiver changed as a result of the call.
*/
public boolean removeAll(AbstractLongList other) {
if (other.size() == 0) return false; // nothing to do
int limit = other.size() - 1;
int j = 0;
for (int i = 0; i < size; i++) {
if (other.indexOfFromTo(getQuick(i), 0, limit) < 0) setQuick(j++, getQuick(i));
}
boolean modified = (j != size);
setSize(j);
return modified;
}
/**
* Retains (keeps) only the elements in the receiver that are contained in the specified other
* list. In other words, removes from the receiver all of its elements that are not contained in
* the specified other list.
*
* @param other the other list to test against.
* @return <code>true</code> if the receiver changed as a result of the call.
*/
public boolean retainAll(AbstractLongList other) {
if (other.size() == 0) {
if (size == 0) return false;
setSize(0);
return true;
}
int limit = other.size() - 1;
int j = 0;
for (int i = 0; i < size; i++) {
if (other.indexOfFromTo(getQuick(i), 0, limit) >= 0) setQuick(j++, getQuick(i));
}
boolean modified = (j != size);
setSize(j);
return modified;
}