Sacado_mpl_for_each.hpp

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// ***********************************************************************
//
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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#ifndef SACADO_MPL_FOR_EACH_HPP
#define SACADO_MPL_FOR_EACH_HPP
 
#include "Sacado_ConfigDefs.h"
 
#include "Sacado_mpl_begin.hpp"
#include "Sacado_mpl_end.hpp"
#include "Sacado_mpl_next.hpp"
#include "Sacado_mpl_deref.hpp"
 
namespace Sacado {
 
  namespace mpl {
 
    template <class Seq,
              class Iter1 = typename mpl::begin<Seq>::type,
              class Iter2 = typename mpl::end<Seq>::type>
    struct for_each {
      template <typename Op>
      KOKKOS_INLINE_FUNCTION
      for_each(const Op& op) {
        op(typename mpl::deref<Iter1>::type());
        for_each<Seq, typename mpl::next<Iter1>::type, Iter2> f(op);
      }
    };
 
    template <class Seq, class Iter1>
    struct for_each<Seq, Iter1, Iter1> {
      template <typename Op>
      KOKKOS_INLINE_FUNCTION
      for_each(const Op& op) {}
    };
 
    // Same as for_each above, but without KOKKOS_INLINE_FUNCTION for functors
    // that aren't meant to run inside kokkos kernels.
    template <class Seq,
              class Iter1 = typename mpl::begin<Seq>::type,
              class Iter2 = typename mpl::end<Seq>::type>
    struct for_each_no_kokkos {
      template <typename Op>
      for_each_no_kokkos(const Op& op) {
        op(typename mpl::deref<Iter1>::type());
        for_each_no_kokkos<Seq, typename mpl::next<Iter1>::type, Iter2> f(op);
      }
    };
 
    template <class Seq, class Iter1>
    struct for_each_no_kokkos<Seq, Iter1, Iter1> {
      template <typename Op>
      for_each_no_kokkos(const Op& op) {}
    };
 
  }
 
}
 
#endif // SACADO_MPL_FOR_EACH_HPP