Contents

# encoding: utf-8
#
# This file is part of the lazier gem. Copyright (C) 2012 and above Shogun <[e-mail]>.
# Licensed under the MIT license, which can be found at http://www.opensource.org/licenses/mit-license.php.
#

module Lazier
  # Utility methods for Math module.
  module Math
    extend ::ActiveSupport::Concern

    # General methods.
    module ClassMethods
      # Returns the minimum value in the arguments
      #
      # @param args [Array] A collection of object to compare (with the `<` operator).
      # @return [Object] The minimum value or `nil` (if the collection is empty).
      def min(*args)
        rv = nil

        args = args.ensure_array.flatten
        if args.length > 0 then
          rv = args[0]
          args.each do |a| rv = a if a < rv end
        end

        rv
      end

      # Returns the maximum value in the arguments
      #
      # @param args [Array] A collection of object to compare (with the `>` operator).
      # @return [Object] The maximum value or `nil` (if the collection is empty).
      def max(*args)
        rv = nil

        args = args.ensure_array.flatten
        if args.length > 0 then
          rv = args[0]
          args.each do |a| rv = a if a > rv end
        end

        rv
      end
    end
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
lazier-1.0.6	lib/lazier/math.rb
lazier-1.0.5	lib/lazier/math.rb
lazier-1.0.4	lib/lazier/math.rb
lazier-1.0.3	lib/lazier/math.rb
lazier-1.0.2	lib/lazier/math.rb
lazier-1.0.1	lib/lazier/math.rb