class Parity

parity.rb

#parity.rb

class Parity
	def initialize(num)
		@bnum = num.to_s(2)
		@counta = 0
		0.upto(@bnum.length) do |i|
			if @bnum[i] == "1"
				@counta += 1
			end
		end
	end
	
	def odd_parity
		print "odd_parity->"
		if @counta.odd?
			puts("0" + @bnum)
		else
			puts("1" + @bnum)
		end
	end
	
	def even_parity
		print "even_parity->"
		if @counta.even?
			puts("0" + @bnum)
		else
			puts("1" + @bnum)
		end
	end
end


#example
#number = Parity.new(11)
#number.odd_parity #->01101
#number.even_parity #->11101