randomop.h

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/*
 MCL
 Copyright (c) 2012-18, Enzo De Sena
 All rights reserved.
 
 Authors: Enzo De Sena, enzodesena@gmail.com
 */

#ifndef MCL_RANDOMGENERATOR_H
#define MCL_RANDOMGENERATOR_H


// Using TR1 and old c++ library

#include "mcltypes.h"
#include <vector>
#include <random>

namespace mcl {
class RandomGenerator {
public:
  RandomGenerator();
  
  RandomGenerator(unsigned int seed);
  
  std::vector<Real> Randn(const Int size);
  
  std::vector<Real> Rand(const Int size);
  
  Real Rand() { return Rand(1)[0]; }
  
  Int RandInt(const Int& minimum, const Int& maximum);
  
  void SetSeed(unsigned int seed) { generator_.seed(seed); }
  
  static bool Test();
private:
  std::default_random_engine generator_;
  std::normal_distribution<double> distribution_norm_;
  std::uniform_real_distribution<double> distribution_uniform_;
  
  
};

} // namespace mcl



#endif