RandomNumbers.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

//
//  RandomNumbers.hpp
//  ActsExamples
//
//  Created by Andreas Salzburger on 17/05/16.
//
//

#pragma once

#include "ActsExamples/Framework/AlgorithmContext.hpp"

#include <cstdint>
#include <random>

namespace ActsExamples {
struct AlgorithmContext;

using RandomEngine = std::mt19937;  

class RandomNumbers {
 public:
  struct Config {
    uint64_t seed = 1234567890u;  
  };

  RandomNumbers(const Config& cfg);

  RandomEngine spawnGenerator(const AlgorithmContext& context) const;

  uint64_t generateSeed(const AlgorithmContext& context) const;

 private:
  Config m_cfg;
};

}  // namespace ActsExamples