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Panzer_TpetraVector_ReadOnly_GlobalEvaluationData_impl.hpp
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1// @HEADER
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3//
4// Panzer: A partial differential equation assembly
5// engine for strongly coupled complex multiphysics systems
6// Copyright (2011) Sandia Corporation
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42
43#ifndef __Panzer_TpetraVector_ReadOnly_GlobalEvaluationData_impl_hpp__
44#define __Panzer_TpetraVector_ReadOnly_GlobalEvaluationData_impl_hpp__
45
46#include "Thyra_TpetraThyraWrappers.hpp"
47
48namespace panzer {
49
50using Teuchos::RCP;
51
52template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
53void
55useConstantValues(const std::vector<GlobalOrdinalT> & indices,double value)
56{
57 TEUCHOS_TEST_FOR_EXCEPTION(isInitialized_,std::logic_error,
58 "TpetraVector_ReadOnly_GED has been initialized, cannot call \"useConstantValues\"!");
59
60 // add this specification to the filtered pairs vector
62 pair.first = indices;
63 pair.second = value;
64 globalFilteredPairs_.push_back(pair);
65}
66
67template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
68void
70initialize(const RCP<const ImportType>& importer,
71 const RCP<const MapType>& ghostedMap,
72 const RCP<const MapType>& ownedMap)
73{
74 importer_ = importer;
75 ghostedMap_ = ghostedMap;
76 ownedMap_ = ownedMap;
77
78 // allocate the ghosted vector
79 ghostedVector_ = Teuchos::rcp(new VectorType(ghostedMap_));
80
81 // build up the thyra conversion data structures
82 ghostedSpace_ = Thyra::tpetraVectorSpace<ScalarT, LocalOrdinalT,
83 GlobalOrdinalT, NodeT>(ghostedMap_);
84 ownedSpace_ = Thyra::tpetraVectorSpace<ScalarT, LocalOrdinalT,
85 GlobalOrdinalT, NodeT>(ownedMap_);
86
87
88 // translate filtered pair GIDs to LIDs
89 // initialize some ghosted values to the user specified values
90 filteredPairs_.resize(globalFilteredPairs_.size());
91 for(std::size_t i=0;i<globalFilteredPairs_.size();i++) {
92 std::vector<LocalOrdinalT> lids;
93 const std::vector<GlobalOrdinalT> & gids = globalFilteredPairs_[i].first;
94 for(std::size_t j=0;j<gids.size();j++) {
95 LocalOrdinalT lid = ghostedMap->getLocalElement(gids[j]);
96
97 // add legit LIDs to list
98 if(lid>=0)
99 lids.push_back(lid);
100 }
101
102 // convert original GID vector to LID vector, store value as well
103 filteredPairs_[i].first = lids;
104 filteredPairs_[i].second = globalFilteredPairs_[i].second;
105 }
106
107 isInitialized_ = true;
108}
109
110template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
111void
113globalToGhost(int /* mem */)
114{
115 TEUCHOS_TEST_FOR_EXCEPTION(ownedVector_ == Teuchos::null, std::logic_error,
116 "Owned vector has not been set, can't perform the halo exchange!");
117
118 // Initialize the ghosted data, zeroing out things, and filling in specified
119 // constants.
120 initializeData();
121
122 // Do the global distribution.
123 ghostedVector_->doImport(*ownedVector_, *importer_, Tpetra::INSERT);
124 PHX::ExecSpace().fence();
125}
126
127template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
128void
131{
132 TEUCHOS_TEST_FOR_EXCEPTION(!isInitialized_,std::logic_error,
133 "TpetraVector_ReadOnly_GED has not been initialized, cannot call \"initializeData\"!");
134
135 ghostedVector_->putScalar(0.0);
136 PHX::ExecSpace().fence();
137
138 typedef typename VectorType::dual_view_type::t_dev::memory_space DMS;
139 auto values = ghostedVector_->getLocalViewHost(Tpetra::Access::OverwriteAll);
140
141 // initialize some ghosted values to the user specified values
142 for(std::size_t i=0;i<filteredPairs_.size();i++) {
143 const std::vector<int> & lids = filteredPairs_[i].first;
144 double value = filteredPairs_[i].second;
145 for(std::size_t j=0;j<lids.size();j++)
146 values(lids[j], 0) = value;
147 }
148}
149
150template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
151void
153setOwnedVector_Tpetra(const Teuchos::RCP<const VectorType>& ownedVector)
154{
155 TEUCHOS_ASSERT(isInitialized_);
156 ownedVector_ = ownedVector;
157}
158
159template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
160Teuchos::RCP<const typename TpetraVector_ReadOnly_GlobalEvaluationData<ScalarT,LocalOrdinalT,GlobalOrdinalT,NodeT>::VectorType>
163{
164 TEUCHOS_ASSERT(isInitialized_);
165 return ownedVector_;
166}
167
168template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
169Teuchos::RCP<typename TpetraVector_ReadOnly_GlobalEvaluationData<ScalarT,LocalOrdinalT,GlobalOrdinalT,NodeT>::VectorType>
172{
173 TEUCHOS_ASSERT(isInitialized_);
174 TEUCHOS_ASSERT(ghostedVector_!=Teuchos::null);
175
176 return ghostedVector_;
177}
178
179template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
180void
182setOwnedVector(const Teuchos::RCP<const Thyra::VectorBase<double> >&
183 ownedVector)
184{
185 typedef Thyra::TpetraOperatorVectorExtraction<ScalarT,LocalOrdinalT,GlobalOrdinalT,NodeT> TOE;
186 TEUCHOS_ASSERT(isInitialized_);
187 ownedVector_ = TOE::getConstTpetraVector(ownedVector);
188}
189
190template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
191Teuchos::RCP<const Thyra::VectorBase<double> >
193getOwnedVector() const
194{
195 TEUCHOS_ASSERT(isInitialized_);
196 return (ownedVector_ == Teuchos::null) ? Teuchos::null :
197 Thyra::createConstVector(ownedVector_, ownedSpace_);
198}
199
200template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
201Teuchos::RCP<Thyra::VectorBase<double> >
203getGhostedVector() const
204{
205 TEUCHOS_ASSERT(isInitialized_);
206 TEUCHOS_ASSERT(ghostedVector_!=Teuchos::null);
207
208 return Thyra::createVector(ghostedVector_,ghostedSpace_);
209}
210
211template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
212void
214print(std::ostream & os) const
215{
216 const std::string tab = " ";
217 os << "\n";
218 os << tab << "TpetraVector_ReadOnly_GlobalEvaluationData\n"
219 << tab << " init = " << isInitialized_ << "\n"
220 << tab << " owned = " << ownedVector_ << "\n"
221 << tab << " ghosted = " << ghostedVector_ << "\n";
222}
223
224
225}
226
227#endif
Kokkos::View< const LO **, Kokkos::LayoutRight, PHX::Device > lids
Teuchos::RCP< const VectorType > getOwnedVector_Tpetra() const
Get the owned vector (Tpetra version)
void useConstantValues(const std::vector< GlobalOrdinalT > &indices, double value)
Teuchos::RCP< Thyra::VectorBase< double > > getGhostedVector() const
Get the ghosted vector (Thyra version)
Teuchos::RCP< VectorType > getGhostedVector_Tpetra() const
Get the ghosted vector (Tpetra version)
void setOwnedVector(const Teuchos::RCP< const Thyra::VectorBase< double > > &ownedVector)
Set the owned vector (Thyra version)
void setOwnedVector_Tpetra(const Teuchos::RCP< const VectorType > &ownedVector)
Set the owned vector (Tpetra version)
Tpetra::Vector< ScalarT, LocalOrdinalT, GlobalOrdinalT, NodeT > VectorType
void initialize(const Teuchos::RCP< const ImportType > &importer, const Teuchos::RCP< const MapType > &ghostedMap, const Teuchos::RCP< const MapType > &ownedMap)
Teuchos::RCP< const Thyra::VectorBase< double > > getOwnedVector() const
Get the owned vector (Thyra version)