Class: Fixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/closest-fibonacci-gem.rb

Instance Method Summary collapse

Instance Method Details

#closest_fibonacci ⇒ Object 



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# File 'lib/closest-fibonacci-gem.rb', line 2

def closest_fibonacci
	if self < 0
		return "Provide a positive integer or 0"
	end
	fibNum = 0
	if self == 0 || self == 1 || self == 2 || self == 3
		fibNum = self
	else
		n1 = 2
		n2 = 3
		while fibNum < self
			fibNum = n1 + n2
			n1 = n2
			n2 = fibNum
		end
		fibNum = n1
	end
	return fibNum
end