25 lines
596 B
C++
25 lines
596 B
C++
#include "rng_sfmt.h"
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#include "sfmt/SFMT.h"
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#include <QDateTime>
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#include <stdlib.h>
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#include <iostream>
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RNG_SFMT::RNG_SFMT(QObject *parent)
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: RNG_Abstract(parent)
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{
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std::cerr << "Using SFMT random number generator." << std::endl;
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int seed = QDateTime::currentDateTime().toTime_t();
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init_gen_rand(seed);
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for (int i = 0; i < 100000; ++i)
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gen_rand64();
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}
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unsigned int RNG_SFMT::getNumber(unsigned int min, unsigned int max)
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{
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mutex.lock();
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uint64_t r = gen_rand64();
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mutex.unlock();
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return min + (unsigned int) (((double) (max + 1 - min)) * r / (18446744073709551616.0 + 1.0));
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}
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