38 lines
1.3 KiB
Plaintext
38 lines
1.3 KiB
Plaintext
MODULE Gamma EXPORTS Main;
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FROM IO IMPORT Put;
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FROM Fmt IMPORT Extended, Style;
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PROCEDURE Taylor(x: EXTENDED): EXTENDED =
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CONST a = ARRAY [0..29] OF EXTENDED {
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1.00000000000000000000X0, 0.57721566490153286061X0,
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-0.65587807152025388108X0, -0.04200263503409523553X0,
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0.16653861138229148950X0, -0.04219773455554433675X0,
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-0.00962197152787697356X0, 0.00721894324666309954X0,
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-0.00116516759185906511X0, -0.00021524167411495097X0,
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0.00012805028238811619X0, -0.00002013485478078824X0,
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-0.00000125049348214267X0, 0.00000113302723198170X0,
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-0.00000020563384169776X0, 0.00000000611609510448X0,
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0.00000000500200764447X0, -0.00000000118127457049X0,
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0.00000000010434267117X0, 0.00000000000778226344X0,
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-0.00000000000369680562X0, 0.00000000000051003703X0,
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-0.00000000000002058326X0, -0.00000000000000534812X0,
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0.00000000000000122678X0, -0.00000000000000011813X0,
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0.00000000000000000119X0, 0.00000000000000000141X0,
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-0.00000000000000000023X0, 0.00000000000000000002X0 };
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VAR y := x - 1.0X0;
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sum := a[LAST(a)];
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BEGIN
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FOR i := LAST(a) - 1 TO FIRST(a) BY -1 DO
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sum := sum * y + a[i];
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END;
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RETURN 1.0X0 / sum;
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END Taylor;
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BEGIN
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FOR i := 1 TO 10 DO
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Put(Extended(Taylor(FLOAT(i, EXTENDED) / 3.0X0), style := Style.Sci) & "\n");
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END;
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END Gamma.
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