Issue #481 has been updated by Yuki Sonoda. Category set to lib Status changed from Open to Rejected I think embedding of Rational already made same result. It internally uses long type of C for Fixnums. This patch may be still meaningful for 1.8. But extension of Fixnum needs discussion. ---------------------------------------- http://redmine.ruby-lang.org/issues/show/481 ---------------------------------------- http://redmine.ruby-lang.org