/*
 * (c) Copyright 2018 CORSIKA Project, corsika-project@lists.kit.edu
 *
 * This software is distributed under the terms of the GNU General Public
 * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
 * the license.
 */

#include <corsika/particles/ParticleProperties.h>
#include <iostream>

namespace corsika::particles {

  std::ostream& operator<<(std::ostream& stream, corsika::particles::Code const p) {
    return stream << corsika::particles::GetName(p);
  }

  Code ConvertFromPDG(PDGCode p) {
    static_assert(detail::conversionArray.size() % 2 == 1);
    // this will fail, for the strange case where the maxPDG is negative...
    unsigned int constexpr maxPDG{(detail::conversionArray.size() - 1) >> 1};
    auto k = static_cast<PDGCodeType>(p);
    if ((unsigned int)abs(k) <= maxPDG) {
      return detail::conversionArray[k + maxPDG];
    } else {
      return detail::conversionMap.at(p);
    }
  }

} // namespace corsika::particles