Class: Fixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/fibless.rb

Overview

Fibless – by Matt Holloway

Instance Method Summary collapse

Instance Method Details

#closest_fibonacci ⇒ Object

This will return the fibonacci sequence smaller than an integer passed in usage is x.closest_fibonacci where x is an integer greater than 0



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# File 'lib/fibless.rb', line 5

def closest_fibonacci
  if self < 0
    return "Please enter a number of zero or greater, thanks"
  end
  #Three variables used for the sequence...
  fibCur = 0        #current number in the fib sequence
  fibNext = 1       #next number to add
  fibOut = fibCur   #number we will display

  while fibCur < self && self > 1
  	fibCur = fibNext + fibOut
  	fibOut = fibNext
  	fibNext = fibCur
  end
  #ta-da, return the result
  fibOut
end