Panzer  Version of the Day
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
Panzer_KokkosUtils_VectorToView.hpp
Go to the documentation of this file.
1 // @HEADER
2 // ***********************************************************************
3 //
4 // Panzer: A partial differential equation assembly
5 // engine for strongly coupled complex multiphysics systems
6 // Copyright (2011) Sandia Corporation
7 //
8 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
9 // the U.S. Government retains certain rights in this software.
10 //
11 // Redistribution and use in source and binary forms, with or without
12 // modification, are permitted provided that the following conditions are
13 // met:
14 //
15 // 1. Redistributions of source code must retain the above copyright
16 // notice, this list of conditions and the following disclaimer.
17 //
18 // 2. Redistributions in binary form must reproduce the above copyright
19 // notice, this list of conditions and the following disclaimer in the
20 // documentation and/or other materials provided with the distribution.
21 //
22 // 3. Neither the name of the Corporation nor the names of the
23 // contributors may be used to endorse or promote products derived from
24 // this software without specific prior written permission.
25 //
26 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
27 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
30 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 //
38 // Questions? Contact Roger P. Pawlowski (rppawlo@sandia.gov) and
39 // Eric C. Cyr (eccyr@sandia.gov)
40 // ***********************************************************************
41 // @HEADER
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
Kokkos::View< const double *, Kokkos::HostSpace,Kokkos::MemoryTraits< Kokkos::Unmanaged > > View
const std::vector< std::pair< int, LocalOrdinal > > &pid_and_lid const