Unbias a random generator: Difference between revisions
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(→{{header|Euphoria}}: Euphoria example added) |
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5: 19.61% 50.01% |
5: 19.61% 50.01% |
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6: 16.70% 49.98%</pre> |
6: 16.70% 49.98%</pre> |
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=={{header|Euphoria}}== |
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<lang euphoria>function randN(integer N) |
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return rand(N) = 1 |
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end function |
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function unbiased(integer N) |
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integer a |
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while 1 do |
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a = randN(N) |
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if a != randN(N) then |
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return a |
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end if |
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end while |
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end function |
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constant n = 10000 |
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integer cb, cu |
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for b = 3 to 6 do |
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cb = 0 |
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cu = 0 |
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for i = 1 to n do |
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cb += randN(b) |
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cu += unbiased(b) |
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end for |
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printf(1, "%d: %5.2f%% %5.2f%%\n", {b, 100 * cb / n, 100 * cu / n}) |
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end for</lang> |
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Output: |
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<pre>3: 33.68% 49.94% |
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4: 24.93% 50.48% |
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5: 20.32% 49.97% |
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6: 16.98% 50.05% |
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</pre> |
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=={{header|Fortran}}== |
=={{header|Fortran}}== |
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