fibonacci

Fast computation of Fibonacci numbers.

http://github.com/sebfisch/fibonacci

Latest on Hackage:0.2.0.1

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BSD-3-Clause licensed and maintained by Sebastian Fischer

Fast computation of Fibonacci numbers. Use version 0.1.* if you prefer the Fibonacci sequence to start with one instead of zero. Version 0.2.* adds correct handling of negative arguments and changes the implementation to satisfy fib 0 = 0. See http://en.wikipedia.org/wiki/Fibonacci_number#Matrix_form for a description of the employed method.