8020641: Clean up some code style in recent BigInteger contributions
Summary: Some minor cleanup to adhere better to Java coding conventions.
Reviewed-by: darcy
Contributed-by: Brian Burkhalter <brian.burkhalter@oracle.com>
8014319: Faster division of large integers
Summary: Implement Burnickel-Ziegler division algorithm in BigInteger
Reviewed-by: bpb, martin
Contributed-by: Tim Buktu <tbuktu@hotmail.com>