/**
* Construct a new vector from a key set and value array.
*
* @param ks The key set. Used as-is, and will be modified. Pass a clone, usually.
* @param vs The value array.
*/
@SuppressWarnings("PMD.ArrayIsStoredDirectly")
SparseVector(LongKeyDomain ks, double[] vs) {
assert vs.length >= ks.domainSize();
keys = ks;
keys.acquire();
values = vs;
}
