gre

/*
 * This work is free. You can redistribute it and/or modify it under the
 * terms of the Do What The Fuck You Want To Public License, Version 2,
 * as published by Sam Hocevar. See the COPYING file for more details.
 */
/*
 * Easing Functions - inspired from http://gizma.com/easing/
 * only considering the t value for the range [0, 1] => [0, 1]
 */
EasingFunctions = {

syrusakbary

SQRT_5 = Math.sqrt(5)
GOLDEN_NUMBER = (1+SQRT_5)/2

def fib(n)
	(1/SQRT_5*(GOLDEN_NUMBER**n-(-1/GOLDEN_NUMBER)**n)).to_i
end

puts fib(7)