* bignum.c (bdigit_roomof): Use SIZEOF_BDIGITS.
  (bigfixize): Refine an ifdef condition.
  (rb_absint_size): Use bdigit_roomof.
  (rb_absint_singlebit_p): Ditto.
  (rb_integer_pack): Ditto.
  (integer_pack_fill_dd): Use BITSPERDIG.
  (integer_unpack_push_bits): Use BITSPERDIG, BIGLO and BIGDN.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41446 b2dd03c8-39d4-4d8f-98ff-823fe69b080e