module FixnumExtensions::InstanceMethods
Public Instance Methods
closest_fibonacci()
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# File lib/extensions/fixnum.rb, line 3 def closest_fibonacci raise "No closest lower Fibonacci for integer < 2" if self < 2 last_n = 1 n = 1 acc = 0 while acc < self n = acc acc = n + last_n last_n = n end last_n end