How datomic compares big decimals

There is schema:

(def user-schema [
                   {
                       :db/ident :User/bigDec
                       :db/valueType :db.type/bigdec
                       :db/cardinality :db.cardinality/one
                   }
                   ])
(d/transact conn user-schema)

And transacted data

(def user-data [
  {
    :db/id 17592186045427
    :User/bigDec (bigdec 3.020M)
  }
])
(d/transact conn user-data)

In the console we see:


So even the last zero is kept what means rounding is not executed. If to transact the next data:

(def user-data [
  {
    :db/id 17592186045434
    :User/bigDec (bigdec 3.02M)
  }
])
(d/transact connUser user-data)

then nothing is changed, if to execute **(= (bigdec 3.00M) (bigdec 3.00000M))** true is returned, but what is interesting, if to use equals from java (.equals (bigdec 3.00M) (bigdec 3.00000M)) then false is returned. Is interesting the thoughts of datomic team whether why the current datomic behaviour is correct.

P.S. Why this question has arrived: we have some db where were pasted big decimals with some umber of ending zeros and we wanted to round all those values and save its back, but the above behaviour did not allow us to do this