24 lines
640 B
Plaintext
24 lines
640 B
Plaintext
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/******************************************************/
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/* This program evaluates the Factorial function (n!) */
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/* using recursion. */
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/******************************************************/
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rfact:
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procedure options(main);
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declare
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i fixed;
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do i = 0 repeat(i+1);
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put skip list('factorial(',i,')=',factorial(i));
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end;
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stop;
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factorial:
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procedure(i) returns(fixed) recursive;
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declare
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i fixed;
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if i = 0 then return (1);
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return (i * factorial(i-1));
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end factorial;
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end rfact;
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