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Panzer_KokkosUtils_VectorToView.hpp
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42 
43 #ifndef __Panzer_KokkosThyraConversion_hpp__
44 #define __Panzer_KokkosThyraConversion_hpp__
45 
46 #include "Kokkos_Core.hpp"
47 
48 #include "Teuchos_RCP.hpp"
49 #include "Teuchos_Ptr.hpp"
50 
51 #include "Thyra_VectorBase.hpp"
52 #include "Thyra_DefaultSpmdVector.hpp"
53 
54 #include "Epetra_Vector.h"
55 
56 namespace panzer {
57 namespace kokkos_utils {
58 
62 template <typename V>
64 
65 template < >
67 public:
68  typedef Kokkos::View<double*,Kokkos::HostSpace ,Kokkos::MemoryTraits<Kokkos::Unmanaged > > View;
70 };
71 
72 template < >
74 public:
75  typedef Kokkos::View<const double*,Kokkos::HostSpace ,Kokkos::MemoryTraits<Kokkos::Unmanaged > > View;
77 };
78 
79 template <typename VectorType>
80 inline
83 
84 template < >
85 inline
88 {
89  auto values = Teuchos::ptr_dynamic_cast<Thyra::DefaultSpmdVector<double> >(Teuchos::ptrFromRef(v))->getRCPtr();
90 
91  VectorToViewTraits<Epetra_Vector>::View view(values.get(),values.size());
92 
93  return view;
94 }
95 
96 template < >
97 inline
100 {
101  auto values = Teuchos::ptr_dynamic_cast<const Thyra::DefaultSpmdVector<double> >(Teuchos::ptrFromRef(v))->getRCPtr();
102 
103  VectorToViewTraits<const Epetra_Vector>::View view(values.get(),values.size());
104 
105  return view;
106 }
107 
108 }
109 }
110 
111 #endif
VectorToViewTraits< VectorType >::View getView(typename VectorToViewTraits< VectorType >::ThyraVector &v)
VectorToViewTraits< const Epetra_Vector >::View getView< const Epetra_Vector >(typename VectorToViewTraits< const Epetra_Vector >::ThyraVector &v)
VectorToViewTraits< Epetra_Vector >::View getView< Epetra_Vector >(typename VectorToViewTraits< Epetra_Vector >::ThyraVector &v)
Kokkos::View< double *, Kokkos::HostSpace,Kokkos::MemoryTraits< Kokkos::Unmanaged > > View
const std::vector< std::pair< int, LocalOrdinal > > &pid_and_lid const
Kokkos::View< const double *, Kokkos::HostSpace,Kokkos::MemoryTraits< Kokkos::Unmanaged > > View