Module: ToWords::Utils

Includes:
UnderHundred
Included in:
ToWords
Defined in:
lib/to_words/utils.rb

Constant Summary

Constants included from UnderHundred

ToWords::UnderHundred::UNDER_HUNDRED

Instance Method Summary collapse

Instance Method Details

#check_sign(num) ⇒ Object 



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# File 'lib/to_words/utils.rb', line 23

def check_sign(num)
  num < 0 ? [num.abs, "negative "] : [num, ""]
end

#higher_than_hundred(hundred, remaining, counter) ⇒ Object 



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# File 'lib/to_words/utils.rb', line 14

def higher_than_hundred(hundred, remaining, counter)
  century = UNDER_HUNDRED[hundred]
  if remaining != 0
    return century + " Hundred " + UNDER_HUNDRED[remaining] if counter != 0
    return century + " Hundred and " + UNDER_HUNDRED[remaining]
  end
  return century + " Hundred " if remaining == 0
end

#numerical?(num) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/to_words/utils.rb', line 27

def numerical?(num)
  Integer(num)
rescue
  raise "A whole number is expected"
end

#result_below_one_thousand(num, counter) ⇒ Object 



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# File 'lib/to_words/utils.rb', line 7

def result_below_one_thousand(num, counter)
  hundred, remaining = num.divmod(100)

  return higher_than_hundred(hundred, remaining, counter) if hundred != 0
  UNDER_HUNDRED[remaining] if hundred == 0 && remaining != 0
end