class Valvat::Checksum::HU
Public Instance Methods
check_digit()
click to toggle source
# File lib/valvat/checksum/hu.rb, line 6 def check_digit multipliers = [3, 7, 9, 1, 3, 7, 9] sum = sum_figures_by do |digit, index| digit * multipliers[index] end (10 - (sum % 10)) % 10 end