module Imb::NumericConversions

Numeric conversions

Public Instance Methods

numeric_to_bytes(n, min_bytes=0) click to toggle source

Convert a numeric to an array of at least min_bytes bytes. If the resulting array is larger than is needed, then the most significant bytes are zero padded.

@param n [Numeric] The number to convert. @param min_bytes [Integer] The minimum number of bytes to return @return [Array<Integer>] Array of bytes between 0 and 255

# File lib/usps_intelligent_barcode/numeric_conversions.rb, line 15
def numeric_to_bytes(n, min_bytes=0)
  n.to_s(16).rjust(2 * min_bytes, '0').scan(/../).map do |s|
    s.to_i(16)
  end
end