Sha256: ab4f80960349efe2993d905dc3a4543fa4899c469ba35619ba116f2e4ff00ce4
Contents?: true
Size: 298 Bytes
Versions: 9
Compression:
Stored size: 298 Bytes
Contents
require 'valvat/checksum'
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
9 entries across 9 versions & 1 rubygems