class Basic

Public Class Methods

new(parameter1, mark, parameter2) click to toggle source

Arguments:

parameter1: (Integer)
parameter2: (Integer)
mark: (String)

# File lib/basic_math/basic.rb, line 6
def initialize(parameter1, mark, parameter2)
  @parameter1 = parameter1
  @parameter2 = parameter2
  @mark = mark
end

Public Instance Methods

calculate() click to toggle source

# File lib/basic_math/basic.rb, line 19
def calculate
  if is_number @parameter1, @parameter2
    case @mark
    when "+"
      @parameter1 + @parameter2
    when "-"
      @parameter1 - @parameter2
    when "*"
      @parameter1 * @parameter2
    when "/"
      begin
        if @parameter2 != 0
          @parameter1/@parameter2.to_f
        else
          raise
        end
      rescue
        "Error divide by 0"
      end
    else
      "This mark is not supported yet"
    end
  else
    "The first and last parameter must be a number"
  end
end

is_number(parameter1, parameter2) click to toggle source

Arguments:

parameter1: (Integer)
parameter2: (Integer)

# File lib/basic_math/basic.rb, line 15
def is_number(parameter1, parameter2)
  return (parameter1.is_a? Numeric) && (parameter2.is_a? Numeric)
end