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29 lines
494 B
Plaintext
29 lines
494 B
Plaintext
NAME
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fib - Fibonacci number
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SYNOPSIS
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fib(n)
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TYPES
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n integer
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return integer
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DESCRIPTION
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For any integer n, fib(n) returns the Fibonacci number with index n.
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This may be defined by fib(0) = 0, fib(1) = 1 and for any n (positive
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or negative) fib(n) = fib(n-1) + fib(n-2).
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EXAMPLE
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> print fib(-2), fib(-1), fib(0), fib(1), fib(2), fib(3), fib(4), fib(5)
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-1 1 0 1 1 2 3 5 -8
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LIMITS
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none
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LIBRARY
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NUMBER *qfib(NUMBER *n)
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SEE ALSO
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XXX - fill in
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