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12 lines
348 B
Plaintext
12 lines
348 B
Plaintext
;; Functions to calculate factorial
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;; Recursive, tail call optimized
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(defn factRec (i n a) (if (= i n) (* a i) (factRec (inc i) n (* a i))))
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(defn fact (n) (if (< n 2) 1 (factRec 2 n 1)))
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;; Return a vector of n factorials
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(defn factVec (n) (map fact (range n)))
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;; Apply version
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(defn applyFact (n) (if (< n 2) 1 (apply * (range 1 (inc n)))))
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