Add direct Fibonacci numbers algorithm (Binet's formula + rounding) #66
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felipernb
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Jun 30, 2014
Add direct Fibonacci numbers algorithm (Binet's formula + rounding)
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This method uses Binet's formula for Fibonacci numbers with the rounding trick as described here: https://en.wikipedia.org/wiki/Fibonacci_number#Computation_by_rounding
Suggested in #26.