@Override
public <M extends Number> void add(Vector<M> vector) {
assert (vector.length() == n);
for (Map.Entry<Integer, M> e : vector.entrySet()) {
add(e.getKey(), e.getValue().intValue());
}
}
/** Decrement an index */
public void dec(int idx) {
add(idx, -1);
}
@Override
public void sub(int idx, double i) {
add(idx, -i);
}
/** Increment an index */
public void inc(int idx) {
add(idx, 1);
}