/**
* Reverse the order of the elements in the range of the list.
*
* @param from the inclusive index at which to start reversing
* @param to the exclusive index at which to stop reversing
*/
public LongSequence reverse(int from, int to) {
if (from == to) {
return this;
}
if (from > to) {
throw new IllegalArgumentException("get cannot be greater than to");
}
for (int i = from, j = to - 1; i < j; i++, j--) {
swap(i, j);
}
return this;
}
/**
* Shuffle the elements of the list using the specified random number generator.
*
* @param rand a <code>Random</code> value
*/
public LongSequence shuffle(Random rand) {
for (int i = pos; i-- > 1; ) {
swap(i, rand.nextInt(i));
}
return this;
}