Class: ClosestFib::Fibs

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

Constant Summary collapse

@@fibs = 
[0,1]

Class Method Summary collapse

Class Method Details

.all ⇒ Object 



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# File 'lib/closestfib.rb', line 31

def all
  @@fibs
end

.fib(n) ⇒ Object 



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# File 'lib/closestfib.rb', line 14

def fib n
  next_fib while ! @@fibs[n]
  @@fibs[n]
end

.flush ⇒ Object 



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# File 'lib/closestfib.rb', line 35

def flush
  @@fibs = [0,1]
end

.last_fib ⇒ Object 



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# File 'lib/closestfib.rb', line 23

def last_fib
  @@fibs[@@fibs.length-1]
end

.next_fib ⇒ Object 



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# File 'lib/closestfib.rb', line 19

def next_fib
  @@fibs[@@fibs.length] = last_fib + prev_fib
end

.prev_fib ⇒ Object 



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# File 'lib/closestfib.rb', line 27

def prev_fib
  @@fibs[@@fibs.length-2]
end