NoDecay.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2020-2021 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/.

#pragma once

#include "ActsFatras/EventData/Particle.hpp"

#include <array>
#include <limits>

namespace ActsFatras {

struct NoDecay {
  template <typename generator_t>
  constexpr Particle::Scalar generateProperTimeLimit(
      generator_t& /* rng */, const Particle& /* particle */) const {
    return std::numeric_limits<Particle::Scalar>::infinity();
  }
  template <typename generator_t>
  constexpr std::array<Particle, 0> run(generator_t& /* rng */,
                                        const Particle& /* particle */) const {
    return {};
  }
};

}  // namespace ActsFatras