33 lines
865 B
C++
33 lines
865 B
C++
#include "rng_abstract.h"
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#include "rng_qt.h"
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#include "rng_sfmt.h"
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#include <QDebug>
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RNG_Abstract *rng = new RNG_SFMT;
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QVector<int> RNG_Abstract::makeNumbersVector(int n, int min, int max)
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{
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const int bins = max - min + 1;
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QVector<int> result(bins);
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for (int i = 0; i < n; ++i) {
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int number = getNumber(min, max);
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if ((number < min) || (number > max))
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qDebug() << "getNumber(" << min << "," << max << ") returned " << number;
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else
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result[number - min]++;
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}
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return result;
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}
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double RNG_Abstract::testRandom(const QVector<int> &numbers) const
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{
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int n = 0;
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for (int i = 0; i < numbers.size(); ++i)
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n += numbers[i];
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double expected = (double) n / (double) numbers.size();
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double chisq = 0;
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for (int i = 0; i < numbers.size(); ++i)
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chisq += ((double) numbers[i] - expected) * ((double) numbers[i] - expected) / expected;
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return chisq;
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}
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