Class: Fixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/kren-fib.rb

Instance Method Summary collapse

Instance Method Details

#closest_fibonacci ⇒ Object 



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# File 'lib/kren-fib.rb', line 2

def closest_fibonacci
  @first, @second = 0, 1
  return nil if self == @first
  return @first if self == @second
  1.upto(self) do |i|
    break if @second >= self
    @first, @second = @second, @first + @second
  end
  @first
end