Tpetra Matrix/Vector Services Version of the Day
Tpetra_ViewAccepter.hpp
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00003 // 
00004 //          Tpetra: Templated Linear Algebra Services Package
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00041 
00042 #ifndef TPETRA_VIEWACCEPTER_HPP
00043 #define TPETRA_VIEWACCEPTER_HPP
00044 
00045 #include <Teuchos_ArrayRCP.hpp>
00046 #include "Tpetra_ConfigDefs.hpp"
00047 
00048 #include <Kokkos_SerialNode.hpp>
00049 #ifdef HAVE_KOKKOS_TBB
00050 #include <Kokkos_TBBNode.hpp>
00051 #endif
00052 #ifdef HAVE_KOKKOS_THREADPOOL
00053 #include <Kokkos_TPINode.hpp>
00054 #endif
00055 #ifdef HAVE_KOKKOS_OPENMP
00056 #include <Kokkos_OpenMPNode.hpp>
00057 #endif
00058 
00059 namespace Tpetra {
00060 
00061   namespace details {
00062 
00064   template <class Node>
00065   class ViewAccepter {
00066     private:
00067       // no support for object instantiation
00068       ViewAccepter();
00069     public:
00070       template <class T>
00071       inline static ArrayRCP<T> acceptView(const ArrayRCP<T> &view) {
00072         Node::this_node_type_does_not_support_object_construction_from_user_views();
00073         return null;
00074       }
00075   };
00076 
00078   class ViewAccepterSupportedNode {
00079     private:
00080       // no support for object instantiation
00081       ViewAccepterSupportedNode();
00082     public:
00083       template <class T>
00084       inline static ArrayRCP<T> acceptView(const ArrayRCP<T> &view) {
00085         return view;
00086       }
00087   };
00088 
00089   template <>
00090   class ViewAccepter<Kokkos::SerialNode> : public ViewAccepterSupportedNode {};
00091 #ifdef HAVE_KOKKOS_TBB
00092   template <>
00093   class ViewAccepter<Kokkos::TBBNode> : public ViewAccepterSupportedNode {};
00094 #endif
00095 #ifdef HAVE_KOKKOS_THREADPOOL
00096   template <>
00097   class ViewAccepter<Kokkos::TPINode> : public ViewAccepterSupportedNode {};
00098 #endif
00099 #ifdef HAVE_KOKKOS_OPENMP
00100   template <>
00101   class ViewAccepter<Kokkos::OpenMPNode> : public ViewAccepterSupportedNode {};
00102 #endif
00103 
00104   } // end of namespace Tpetra::details
00105 
00106 } // end of namespace Tpetra
00107 
00108 #endif
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