Class: Fixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/mani_zanec_math/fixnum/fibo.rb,
lib/mani_zanec_math/fixnum/prime.rb

Instance Method Summary collapse

Instance Method Details

#fibo? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mani_zanec_math/fixnum/fibo.rb', line 2

def fibo?
  arr = [0,1]
  while self > arr.last
    x, y = arr.pop(2)
    arr.push(x, y, x + y)
  end    
  return true if self == arr.last
  return false
end

#prime? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mani_zanec_math/fixnum/prime.rb', line 2

def prime?
  return true if self == 1
    2.upto(self) do |num|
      if self % num == 0
        return self == num
      end
    end
end