Sha256: d52ac15da44481cd2d84f5066f2e85bed12b6d94932251a703e12bec306b0c5c
Contents?: true
Size: 303 Bytes
Versions: 16
Compression:
Stored size: 303 Bytes
Contents
# frozen_string_literal: true
class Valvat
module Checksum
class FI < Base
def check_digit
weight = [7, 9, 10, 5, 8, 4, 2]
chk = 11 - figures.map do |fig|
fig * weight.shift
end.inject(:+).modulo(11)
chk == 11 ? 0 : chk
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems