Jensen's Device: Difference between revisions
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(→{{header|Forth}}: added version that passes i and 1/i as execution tokens) |
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alert(sum(obj, 1, 100, function() {return 1 / obj.val}));</lang> |
alert(sum(obj, 1, 100, function() {return 1 / obj.val}));</lang> |
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The alert shows us '5.187377517639621'. |
The alert shows us '5.187377517639621'. |
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=={{header|Java}}== |
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This is Java 8. |
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<lang java>import java.util.function.*; |
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import java.util.stream.*; |
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public class Jensen2 { |
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static double sum(int lo, int hi, IntToDoubleFunction f) { |
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return IntStream.range(lo, hi).mapToDouble(f).sum(); |
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} |
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public static void main(String args[]) { |
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System.out.println(sum(1, 100, (i -> 1.0/i))); |
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} |
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} |
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</lang> |
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The program prints '5.17737751763962'. |
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=={{header|Joy}}== |
=={{header|Joy}}== |
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