22 lines
652 B
C++
22 lines
652 B
C++
#include "rng_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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// initialize the random number generator with a 32bit integer seed (timestamp)
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sfmt_init_gen_rand(&sfmt, QDateTime::currentDateTime().toTime_t());
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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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// To make the random number generation thread safe, a mutex is created around the generation.
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mutex.lock();
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uint64_t r = sfmt_genrand_uint64(&sfmt);
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mutex.unlock();
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// return a random number from the interval [min, max]
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return (unsigned int) (r % (max - min + 1) + min);
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}
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