Module: BrDocuments::Commons::Mod14
- Included in:
- IE::RO
- Defined in:
- lib/br_documents/commons/mod14.rb
Instance Method Summary collapse
Instance Method Details
#generate_check_digit(values, weights) ⇒ Object
4 5 6 7 8 9 |
# File 'lib/br_documents/commons/mod14.rb', line 4 def generate_check_digit(values, weights) sum = reduce_weights(values, weights) mod = sum % 11 mod = (11 - mod) mod < 10 ? mod : (mod - 10) end |
#reduce_weights(values, weights) ⇒ Object
11 12 13 14 15 16 17 |
# File 'lib/br_documents/commons/mod14.rb', line 11 def reduce_weights(values, weights) sum = 0 weights.each_index do |i| sum += weights[i] * values[i].to_i end sum end |