Sha256: 7fbec162f372d86e047303be89606b7bc728d07ec9ea5b766cf94a3eef8409c0
Contents?: true
Size: 379 Bytes
Versions: 14
Compression:
Stored size: 379 Bytes
Contents
# frozen_string_literal: true
class Valvat
module Checksum
class MT < Base
check_digit_length 2
def check_digit
multipliers = [9, 8, 7, 6, 4, 3]
sum = sum_figures_by { |digit, index| digit * multipliers[index] }
supposed_checksum = 37 - (sum % 37)
supposed_checksum.zero? ? 37 : supposed_checksum
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems