randomGenerator.h

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#ifndef RANDOMGENERATOR_H
#define RANDOMGENERATOR_H
#include <random>
#include <vector>

namespace Utils
{

class RandomGenerator
{
public:
    RandomGenerator();
    RandomGenerator(time_t seed);
    double drawExp(double lambda);
    double drawUniform(double min, double max);
    double drawBeta(double alpha, double beta);
    int drawUniformInt(int min, int max);
    /*This function returns a vector of nbOfBins components,
    containing elements so that the total of them is 1.
    This is generating a random discrete distribution*/
    std::vector<double> drawDistribution(int nbOfBins);
    void seed(time_t seed);
private:
    std::default_random_engine gen;
    std::uniform_real_distribution<double> unif;
};

}

#endif