Contents

class CPF
  class VerifierDigit
    def self.generate(numbers)
      modulus = numbers.size + 1

      multiplied = numbers.map.with_index do |number, index|
        number * (modulus - index)
      end

      mod = multiplied.reduce(:+) % 11
      mod < 2 ? 0 : 11 - mod
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
cpf_cnpj-0.2.0	lib/cpf/verifier_digit.rb
cpf_cnpj-0.1.0	lib/cpf/verifier_digit.rb