Pascal's triangle: Difference between revisions
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m (→JS ES6: Updated primitives) |
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Expansion* = POINTER TO ARRAY OF LONGINT; |
Expansion* = POINTER TO ARRAY OF LONGINT; |
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PROCEDURE Show(e: Expansion); |
PROCEDURE Show*(e: Expansion); |
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VAR |
VAR |
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i: INTEGER; |
i: INTEGER; |
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END Show; |
END Show; |
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PROCEDURE |
PROCEDURE GenFor*(p: LONGINT): Expansion; |
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VAR |
VAR |
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expA,expB: Expansion; |
expA,expB: Expansion; |
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BEGIN |
BEGIN |
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ASSERT(p > 0); |
ASSERT(p >= 0); |
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DEC(p); (* adjust p to work with arrays starting at 0 index *) |
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NEW(expA,p + 2);NEW(expB,p + 2); |
NEW(expA,p + 2);NEW(expB,p + 2); |
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FOR i := 0 TO p DO |
FOR i := 0 TO p DO |
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expB := NIL; (* for the GC *) |
expB := NIL; (* for the GC *) |
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RETURN expA |
RETURN expA |
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END GenFor; |
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END GenPascalTriangleFor; |
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RETURN |
RETURN |
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ELSIF (s.type = TextMappers.int) THEN |
ELSIF (s.type = TextMappers.int) THEN |
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exp := |
exp := GenFor(s.int); |
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Show(exp) |
Show(exp) |
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END; |
END; |
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END PascalTriangle. |
END PascalTriangle. |
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</lang> |
</lang> |
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<pre>Execute: ^Q PascalTriangle.Do 1 2 3 4 5 6 7 8 9 10 11 12~</pre> |
<pre>Execute: ^Q PascalTriangle.Do 0 1 2 3 4 5 6 7 8 9 10 11 12~</pre> |
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{{out}} |
{{out}} |
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<pre> |
<pre> |
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1 |
1 |
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1 1 |
1 1 |
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1 2 1 |
1 2 1 |
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1 10 45 120 210 252 210 120 45 10 1 |
1 10 45 120 210 252 210 120 45 10 1 |
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1 11 55 165 330 462 462 330 165 55 11 1 |
1 11 55 165 330 462 462 330 165 55 11 1 |
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1 12 66 220 495 792 924 792 495 220 66 12 1 |
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</pre> |
</pre> |
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=={{header|D}}== |
=={{header|D}}== |
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