Tpetra parallel linear algebra Version of the Day
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TpetraExt_TripleMatrixMultiply_decl.hpp
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41
42#ifndef TPETRA_TRIPLEMATRIXMULTIPLY_DECL_HPP
43#define TPETRA_TRIPLEMATRIXMULTIPLY_DECL_HPP
44
45#include <string>
46#include <Teuchos_RCP.hpp>
47#include <Teuchos_Array.hpp>
48#include "Tpetra_ConfigDefs.hpp"
49#include "Tpetra_CrsMatrix.hpp"
50#include "Tpetra_Vector.hpp"
51#include "TpetraExt_MMHelpers.hpp"
52
53
59namespace Tpetra {
60
61 namespace TripleMatrixMultiply {
62
95 template <class Scalar,
96 class LocalOrdinal,
97 class GlobalOrdinal,
98 class Node>
99 void MultiplyRAP(
100 const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& R,
101 bool transposeR,
102 const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& A,
103 bool transposeA,
104 const CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& P,
105 bool transposeP,
106 CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
107 bool call_FillComplete_on_result = true,
108 const std::string& label = std::string(),
109 const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
110
111
112 } // namespace TripleMatrixMultiply
113
114 namespace MMdetails{
115
116 template<class Scalar,
117 class LocalOrdinal,
118 class GlobalOrdinal,
119 class Node>
120 void mult_R_A_P_newmatrix(
121 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Rview,
122 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
123 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
124 CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
125 const std::string& label = std::string(),
126 const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
127
128 template<class Scalar,
129 class LocalOrdinal,
130 class GlobalOrdinal,
131 class Node>
132 void mult_R_A_P_reuse(
133 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Rview,
134 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
135 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
136 CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
137 const std::string& label = std::string(),
138 const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
139
140 template<class Scalar,
141 class LocalOrdinal,
142 class GlobalOrdinal,
143 class Node>
144 void mult_PT_A_P_newmatrix(
145 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
146 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
147 CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
148 const std::string& label = std::string(),
149 const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
150
151 template<class Scalar,
152 class LocalOrdinal,
153 class GlobalOrdinal,
154 class Node>
155 void mult_PT_A_P_reuse(
156 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
157 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
158 CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
159 const std::string& label = std::string(),
160 const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
161
162
163
164 // Kernel wrappers struct (for non-specialized kernels)
165 // Because C++ doesn't support partial template specialization of functions.
166 template<class Scalar,
167 class LocalOrdinal,
168 class GlobalOrdinal,
169 class Node>
170 struct KernelWrappers3MMM {
171
172 static inline void mult_PT_A_P_newmatrix_kernel_wrapper_2pass(CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Aview,
173 CrsMatrixStruct<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Pview,
174 const Teuchos::Array<LocalOrdinal> & Acol2PRow,
175 const Teuchos::Array<LocalOrdinal> & Acol2PRowImport,
176 const Teuchos::Array<LocalOrdinal> & Pcol2Accol,
177 const Teuchos::Array<LocalOrdinal> & PIcol2Accol,
178 CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& Ac,
179 Teuchos::RCP<const Import<LocalOrdinal,GlobalOrdinal,Node> > Acimport,
180 const std::string& label = std::string(),
181 const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null);
182 };
183
184 }//end namespace MMdetails
185
186} // end of Tpetra namespace
187
188#endif // TPETRA_TRIPLEMATRIXMULTIPLY_DECL_HPP
void MultiplyRAP(const CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &R, bool transposeR, const CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, bool transposeA, const CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &P, bool transposeP, CrsMatrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &Ac, bool call_FillComplete_on_result=true, const std::string &label=std::string(), const Teuchos::RCP< Teuchos::ParameterList > &params=Teuchos::null)
Sparse matrix-matrix multiply.
Namespace Tpetra contains the class and methods constituting the Tpetra library.