perm filename LOSS.LSP[QLA,LSP] blob sn#843341 filedate 1987-07-20 generic text, type C, neo UTF8
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C00001 00001
C00002 00002	(m-defun qfib (n)
C00005 00003
C00006 ENDMK
CāŠ—;
(m-defun qfib (n)
 (cond ((lessp n 2) 1)
       (t (qlet t ((n-1 (fib (1- n)))
		   (n-2 (fib (- n 2))))
		(+ n-1 n-2)))))

(m-defun fib (n)
 (cond ((lessp n 2) 1)
       (t (+ (fib (1- n)) (fib (- n 2))))))

(qfib 15)
(fib 15)
89 
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=> 
89 
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=> 
987 
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987 
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=> 
(quotient 47352.0 29293.0)
1.61649542