Object
# File lib/rqrcode/qrcode/qr_polynomial.rb, line 16 def initialize( num, shift ) raise QRCodeRunTimeError, "#{num.size}/#{shift}" if num.empty? offset = 0 while offset < num.size && num[offset] == 0 offset = offset + 1 end @num = Array.new( num.size - offset + shift ) ( 0...num.size - offset ).each do |i| @num[i] = num[i + offset] end end
# File lib/rqrcode/qrcode/qr_polynomial.rb, line 32 def get( index ) @num[index] end
# File lib/rqrcode/qrcode/qr_polynomial.rb, line 37 def get_length @num.size end
# File lib/rqrcode/qrcode/qr_polynomial.rb, line 56 def mod( e ) if get_length - e.get_length < 0 return self end ratio = QRMath.glog(get(0)) - QRMath.glog(e.get(0)) num = Array.new(get_length) ( 0...get_length ).each do |i| num[i] = get(i) end ( 0...e.get_length ).each do |i| tmp = num[i].nil? ? 0 : num[i] num[i] = tmp ^ QRMath.gexp(QRMath.glog(e.get(i)) + ratio) end return QRPolynomial.new( num, 0 ).mod(e) end
# File lib/rqrcode/qrcode/qr_polynomial.rb, line 42 def multiply( e ) num = Array.new( get_length + e.get_length - 1 ) ( 0...get_length ).each do |i| ( 0...e.get_length ).each do |j| tmp = num[i + j].nil? ? 0 : num[i + j] num[i + j] = tmp ^ QRMath.gexp(QRMath.glog( get(i) ) + QRMath.glog(e.get(j))) end end return QRPolynomial.new( num, 0 ) end
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