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Max-Wilhelm Bruker 2010-09-15 21:49:13 +02:00
parent 7e9879c0ea
commit d52b00fbd8
7 changed files with 992 additions and 0 deletions
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22
common/rng_sfmt.cpp Normal file
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#include "rng_sfmt.h"
#include "sfmt/SFMT.h"
#include <QDateTime>
#include <stdlib.h>
#include <iostream>
RNG_SFMT::RNG_SFMT(QObject *parent)
: RNG_Abstract(parent)
{
std::cerr << "Using SFMT random number generator." << std::endl;
int seed = QDateTime::currentDateTime().toTime_t();
init_gen_rand(seed);
for (int i = 0; i < 100000; ++i)
gen_rand64();
}
unsigned int RNG_SFMT::getNumber(unsigned int min, unsigned int max)
{
uint64_t r = gen_rand64();
return min + (unsigned int) (((double) (max + 1 - min)) * r / (18446744073709551616.0 + 1.0));
}