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Tpetra_Details_castAwayConstDualView.hpp
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41 
42 #ifndef TPETRA_DETAILS_CASTAWAYCONSTDUALVIEW_HPP
43 #define TPETRA_DETAILS_CASTAWAYCONSTDUALVIEW_HPP
44 
52 
53 #include "Kokkos_DualView.hpp"
54 
55 namespace Tpetra {
56 namespace Details {
57 
62 template<class ValueType, class DeviceType>
63 Kokkos::DualView<ValueType*, DeviceType>
64 castAwayConstDualView (const Kokkos::DualView<const ValueType*, DeviceType>& input_dv)
65 {
66  typedef Kokkos::DualView<const ValueType*, DeviceType> input_dual_view_type;
67  typedef typename input_dual_view_type::t_dev::non_const_type out_dev_view_type;
68  typedef typename input_dual_view_type::t_host::non_const_type out_host_view_type;
69 
70  out_dev_view_type output_view_dev
71  (const_cast<ValueType*> (input_dv.d_view.data ()),
72  input_dv.d_view.extent (0));
73  out_host_view_type output_view_host
74  (const_cast<ValueType*> (input_dv.h_view.data ()),
75  input_dv.h_view.extent (0));
76 
77  Kokkos::DualView<ValueType*, DeviceType> output_dv(output_view_dev,output_view_host);
78  if(input_dv.need_sync_host()) output_dv.modify_device();
79  if(input_dv.need_sync_device()) output_dv.modify_host();
80  return output_dv;
81 }
82 
83 } // namespace Details
84 } // namespace Tpetra
85 
86 #endif // TPETRA_DETAILS_CASTAWAYCONSTDUALVIEW_HPP
Kokkos::DualView< ValueType *, DeviceType > castAwayConstDualView(const Kokkos::DualView< const ValueType *, DeviceType > &input_dv)
Cast away const-ness of a 1-D Kokkos::DualView.