seed.hpp

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#pragma once

#include <random>    // std::mt19937_64
#include <armadillo> // arma::sed

namespace pass
{
class seed
{
public:
  seed() = delete;
  seed(const seed &) = delete;
  seed &operator=(const seed &) = delete;

  static std::mt19937_64 &get_generator();

  static void set_seed(
      const arma::arma_rng::seed_type seed);

  static void set_random_seed();

  static arma::arma_rng::seed_type get_seed();

protected:
  static arma::arma_rng::seed_type seed_;
  static std::mt19937_64 generator_;
};
} // namespace pass