anchor.diff:                          BoundaryHash =
                               riak_core_ring_util:partition_id_to_hash(PartitionId,
                                                                        RingSize),
  -                        PartitionId =:= riak_core_ring_util:hash_to_partition_id(
  -                                          BoundaryHash, RingSize)
  +                        equals(PartitionId,
  +                               riak_core_ring_util:hash_to_partition_id(
  +                                 BoundaryHash, RingSize))
                       end
                      )).
   
  
positive.code:                         BoundaryHash =
                              riak_core_ring_util:partition_id_to_hash(PartitionId,
                                                                       RingSize),
                          true =:= riak_core_ring_util:hash_is_partition_boundary(BoundaryHash,
                                                                                  RingSize)
                      end
                     )).
  
  
negative.code:                          HashIsPartitionBoundary =
                               riak_core_ring_util:hash_is_partition_boundary(HashValue,
                                                                              RingSize),
                           equals(HashIsPartitionBoundary, HashIsInRing)
                       end
                     )).
  
  