Verify distribution uniformity/Naive: Difference between revisions
Content added Content deleted
(→{{header|Racket}}: naive test replaces better chi-squared test) |
(Updated D entry) |
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+/- delta % of repeats/bincount. |
+/- delta % of repeats/bincount. |
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*/ |
*/ |
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void distCheck(TF)(in TF func, in int nRepeats, in double delta) |
void distCheck(TF)(in TF func, in int nRepeats, in double delta) /*@safe*/ |
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if (isCallable!TF) { |
if (isCallable!TF) { |
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int[int] counts; |
int[int] counts; |
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immutable int deltaCount = cast(int)(delta / 100.0 * target); |
immutable int deltaCount = cast(int)(delta / 100.0 * target); |
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foreach (k, count; counts) |
foreach (immutable k, const count; counts) |
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if (abs(target - count) >= deltaCount) |
if (abs(target - count) >= deltaCount) |
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throw new Exception(format( |
throw new Exception(format( |
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k, count)); |
k, count)); |
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foreach (k; counts.keys.sort()) |
foreach (immutable k; counts.keys.sort()) |
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writeln(k, " ", counts[k]); |
writeln(k, " ", counts[k]); |
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writeln; |
writeln; |
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