sum.hh

// -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=8 sw=2 sts=2:
#ifndef DUNE_PDELAB_LOCALOPERATOR_SUM_HH
#define DUNE_PDELAB_LOCALOPERATOR_SUM_HH
 
#include <dune/pdelab/localoperator/combinedoperator.hh>
 
#include <utility>
 
 
namespace Dune {
  namespace PDELab {
 
 
 
    template<typename... Args>
    class InstationarySumLocalOperator :
      public CombinedOperator<InstationarySumLocalOperator<Args...>, Args...>
    {
      template<typename F, typename... FArgs>
      void applyLops(F && f, FArgs &... args) const
      {
        Hybrid::forEach(std::make_index_sequence<sizeof...(Args)>{},
          [&](auto i){f(*Hybrid::elementAt(this->lops, i), args...);});
      }
 
      using Base = CombinedOperator<InstationarySumLocalOperator<Args...>, Args...>;
      using ArgPtrs = typename Base::ArgPtrs;
 
      friend Base;
    public:
 
      InstationarySumLocalOperator()
      {}
 
      InstationarySumLocalOperator(Args&... lops)
        : Base(lops...)
      {}
 
      InstationarySumLocalOperator(Args&&... lops)
        : Base(std::forward<Args>(lops)...)
      {}
 
    protected:
      InstationarySumLocalOperator(ArgPtrs&& lops)
        : Base(std::forward<ArgPtrs>(lops))
      { }
 
    };
 
 
    template<typename... Args>
    class InstationarySumLocalOperator<std::tuple<Args...>> :
      public InstationarySumLocalOperator<Args...>
    {
      using Base = InstationarySumLocalOperator<Args...>;
      using ArgRefs = typename Base::ArgRefs;
 
    public:
 
      [[deprecated("The specialization InstationarySumLocalOperator<Tuple<...>> is"
            "deprecated and will be removed after PDELab 2.7.")]]
      InstationarySumLocalOperator()
      {}
 
      [[deprecated("The specialization InstationarySumLocalOperator<Tuple<...>> is"
            "deprecated and will be removed after PDELab 2.7.")]]
      InstationarySumLocalOperator(const ArgRefs& lops)
        : Base(genericTransformTuple(lops,
            [](auto & l){return stackobject_to_shared_ptr(l);}))
      { }
    };
 
  }
}
 
#endif // DUNE_PDELAB_LOCALOPERATOR_SUM_HH