code: @Override
    protected void process(DBIDRef id, ArrayDBIDs ids, DBIDArrayIter it, int n, WritableDBIDDataStore pi, WritableDoubleDataStore lambda, WritableDoubleDataStore m) {
      clinkstep3(id, it, n, pi, lambda, m);
      clinkstep4567(id, ids, it, n, pi, lambda, m);
      clinkstep8(id, it, n, pi, lambda, m);
    }
docs: CLINK main loop, based on the SLINK main loop.
  
  @param id Current object
  @param ids All objects
  @param it Array iterator
  @param n Last object to process at this run
  @param pi Parent
  @param lambda Height
  @param m Distance