ruby/benchmark/bm_so_ackermann.rb

#!/usr/bin/ruby
# -*- mode: ruby -*-
# $Id: ackermann-ruby.code,v 1.4 2004/11/13 07:40:41 bfulgham Exp $
# http://www.bagley.org/~doug/shootout/

def ack(m, n)
    if m == 0 then
        n + 1
    elsif n == 0 then
        ack(m - 1, 1)
    else
        ack(m - 1, ack(m, n - 1))
    end
end

NUM = 9
ack(3, NUM)
set svn:eol-style git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2007-02-13 02:01:19 +03:00			`#!/usr/bin/ruby`
			`# -- mode: ruby --`
			`# $Id: ackermann-ruby.code,v 1.4 2004/11/13 07:40:41 bfulgham Exp $`
			`# http://www.bagley.org/~doug/shootout/`

			`def ack(m, n)`
			`if m == 0 then`
			`n + 1`
			`elsif n == 0 then`
			`ack(m - 1, 1)`
			`else`
			`ack(m - 1, ack(m, n - 1))`
			`end`
			`end`

			`NUM = 9`
			`ack(3, NUM)`