initialize_parameter_set.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2016-2020 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

namespace Acts {
namespace detail {

template <typename T, T... params>
struct initialize_parset;

template <typename T, T first, T... others>
struct initialize_parset<T, first, others...> {
  template <typename ParSetType, typename first_value_type,
            typename... other_value_types>
  static void init_vals(ParSetType& parSet, const first_value_type& v1,
                        const other_value_types&... values) {
    parSet.template setParameter<first>(v1);
    initialize_parset<T, others...>::init_vals(parSet, values...);
  }

  template <typename ParSetType>
  static void init_vec(ParSetType& parSet,
                       const typename ParSetType::ParametersVector& values,
                       const unsigned int& pos = 0) {
    parSet.template setParameter<first>(values(pos));
    initialize_parset<T, others...>::init_vec(parSet, values, pos + 1);
  }
};

template <typename T, T last>
struct initialize_parset<T, last> {
  template <typename ParSet_tType, typename last_value_type>
  static void init_vals(ParSet_tType& ParSet_t, const last_value_type& v1) {
    ParSet_t.template setParameter<last>(v1);
  }

  template <typename ParSetType>
  static void init_vec(ParSetType& parSet,
                       const typename ParSetType::ParametersVector& values,
                       const unsigned int& pos = 0) {
    parSet.template setParameter<last>(values(pos));
  }
};

}  // namespace detail
}  // namespace Acts