RandomEngineSTL.hh

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#ifndef G_RANDOM_ENGINE_STL_H
#define G_RANDOM_ENGINE_STL_H
 
#include <random>
 
#include "Garfield/RandomEngine.hh"
 
namespace Garfield {
 
class RandomEngineSTL
    : public RandomEngine<RandomEngineSTL, std::mt19937::result_type> {
 public:
  RandomEngineSTL() = default;
  RandomEngineSTL(const std::mt19937::result_type& seed) : RandomEngine(seed) {}
  inline double Draw() {
    return std::generate_canonical<double, std::numeric_limits<double>::digits>(
        m_rng);
  }
  inline void SetSeed(const seed_t& seed) { m_rng.seed(seed); }
  inline seed_t GetSeed() { return m_seed; }
  void Print();
 
 private:
  std::mt19937 m_rng{std::random_device{}()};
};
 
}  // namespace Garfield
 
#endif