random_generator.h

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#ifndef _RANDOM_GENERATOR
#define _RANDOM_GENERATOR
 
#include <random>
#include <cmath>
#include <ctime>
 
class random_generator {
    static std::mt19937_64 generator; 
    static std::normal_distribution<double> distn; 
    static std::uniform_real_distribution<double> distu; 
    
public:
    static void init();
 
    static double uniform(double a, double b);
 
    static double uniform01();
 
    static double logistic(double mu, double s);
 
    static double normal(double mu, double sigma);
};
 
#endif // _RANDOM_GENERATOR