ViewTypes.h

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//
// Struct ViewType
//   Kokkos::Views of different dimensions.
//
#ifndef IPPL_VIEW_TYPES_H
#define IPPL_VIEW_TYPES_H
 
#include <Kokkos_Core.hpp>
 
namespace ippl {
    namespace detail {
        template <typename T, int N>
        struct NPtr {
            typedef typename NPtr<T, N - 1>::type* type;
        };

        template <typename T>
        struct NPtr<T, 1> {
            typedef T* type;
        };

        template <typename T, unsigned Dim, class... Properties>
        struct ViewType {
            typedef Kokkos::View<typename NPtr<T, Dim>::type, Properties...> view_type;
        };
 
        template <typename MemorySpace>
        using hash_type = typename detail::ViewType<int, 1, MemorySpace>::view_type;
    }  // namespace detail
}  // namespace ippl
 
#endif