public boolean intersects(DirectBitMap other) {
        assert wlen == other.wlen;
        int pos = wlen;
        while (--pos >= 0) {
            if ((word(pos) & other.word(pos)) != 0) return true;
        }
        return false;
    }
@param other The other bitset.
@return true if the sets have any elements in common
indexr-common/src/main/java/io/indexr/util/DirectBitMap.java