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Xpetra_TpetraMultiVector_decl.hpp
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1// @HEADER
2// *****************************************************************************
3// Xpetra: A linear algebra interface package
4//
5// Copyright 2012 NTESS and the Xpetra contributors.
6// SPDX-License-Identifier: BSD-3-Clause
7// *****************************************************************************
8// @HEADER
9
10#ifndef XPETRA_TPETRAMULTIVECTOR_DECL_HPP
11#define XPETRA_TPETRAMULTIVECTOR_DECL_HPP
12
15
19#include "Tpetra_MultiVector.hpp"
20#include "Tpetra_Vector.hpp"
21#include "Xpetra_Utils.hpp"
22
23namespace Xpetra {
24
25// TODO: move that elsewhere
26template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
27const Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &toTpetra(const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &);
28
29template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
30Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &toTpetra(MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &);
31
32#ifndef DOXYGEN_SHOULD_SKIP_THIS
33// forward declaration of TpetraVector, needed to prevent circular inclusions
34template <class S, class LO, class GO, class N>
35class TpetraVector;
36#endif
37
38// Because we aren't including the header...
39template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
40RCP<Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> toXpetra(RCP<Tpetra::Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> vec);
41
42template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
43RCP<const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> toXpetra(RCP<const Tpetra::Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> vec);
44
45template <class Scalar,
46 class LocalOrdinal,
47 class GlobalOrdinal,
48 class Node>
50 : public virtual MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> {
51 // The following typedef are used by the XPETRA_DYNAMIC_CAST() macro.
53
54 public:
56
57
59 TpetraMultiVector(const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>> &map, size_t NumVectors, bool zeroOut = true);
60
63
65 TpetraMultiVector(const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node>> &map, const Teuchos::ArrayView<const Scalar> &A, size_t LDA, size_t NumVectors);
66
69
70 virtual ~TpetraMultiVector();
71
73
74
76 void replaceGlobalValue(GlobalOrdinal globalRow, size_t vectorIndex, const Scalar &value);
77
79 void sumIntoGlobalValue(GlobalOrdinal globalRow, size_t vectorIndex, const Scalar &value);
80
82 void replaceLocalValue(LocalOrdinal myRow, size_t vectorIndex, const Scalar &value);
83
85 void sumIntoLocalValue(LocalOrdinal myRow, size_t vectorIndex, const Scalar &value);
86
88 void putScalar(const Scalar &value);
89
91 void reduce();
92
94
96
97
100
103
106
109
111 void get1dCopy(Teuchos::ArrayView<Scalar> A, size_t LDA) const;
112
114 void get2dCopy(Teuchos::ArrayView<const Teuchos::ArrayView<Scalar>> ArrayOfPtrs) const;
115
118
121
124
127
129
131
132
135
138
141
143 void scale(const Scalar &alpha);
144
147
149 void scale(const Scalar &alpha, const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &A);
150
152 void update(const Scalar &alpha, const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &A, const Scalar &beta);
153
155 void update(const Scalar &alpha, const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &A, const Scalar &beta, const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &B, const Scalar &gamma);
156
159
162
165
167 void meanValue(const Teuchos::ArrayView<Scalar> &means) const;
168
171
173
175
177 size_t getNumVectors() const;
178
180 size_t getLocalLength() const;
181
184
185 // \! Checks to see if the local length, number of vectors and size of Scalar type match
187
189
191
193 std::string description() const;
194
197
199
201 void elementWiseMultiply(Scalar scalarAB, const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &A, const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &B, Scalar scalarThis); // definition at the end of this file
202 // TODO: void elementWiseMultiply(Scalar scalarAB, const Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &B, Scalar scalarThis){ vec_->elementWiseMultiply(scalarAB, toTpetra(A), toTpetra(B), scalarThis); }
203
205 void randomize(bool bUseXpetraImplementation = false);
206
207 void randomize(const Scalar &minVal, const Scalar &maxVal, bool bUseXpetraImplementation = false);
208
209 //{@
210 // Implements DistObject interface
211
213
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219
221
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231
233
235
237
239
241
243
244
246 TpetraMultiVector(const Teuchos::RCP<Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> &vec);
247
250
252 void setSeed(unsigned int seed);
253
255
256 virtual typename dual_view_type::t_host_const_um getLocalViewHost(Access::ReadOnlyStruct) const;
257
258 virtual typename dual_view_type::t_dev_const_um getLocalViewDevice(Access::ReadOnlyStruct) const;
259
260 virtual typename dual_view_type::t_host_um getLocalViewHost(Access::OverwriteAllStruct) const;
261
262 virtual typename dual_view_type::t_dev_um getLocalViewDevice(Access::OverwriteAllStruct) const;
263
264 virtual typename dual_view_type::t_host_um getLocalViewHost(Access::ReadWriteStruct) const;
265
266 virtual typename dual_view_type::t_dev_um getLocalViewDevice(Access::ReadWriteStruct) const;
267
268 protected:
271 virtual void
273
274 private:
277
278}; // TpetraMultiVector class
279
280// Things we actually need
281
282// Things we actually need
283template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
284RCP<MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> toXpetra(RCP<Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> vec) {
285 if (!vec.is_null())
287
288 return Teuchos::null;
289}
290
291template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
292RCP<const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> toXpetra(RCP<const Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> vec) {
293 if (!vec.is_null())
295
296 return Teuchos::null;
297}
298
299template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
300RCP<MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> toXpetra(RCP<Tpetra::FEMultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> vec) {
301 if (!vec.is_null())
303
304 return Teuchos::null;
305}
306
307template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
308RCP<const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> toXpetra(RCP<const Tpetra::FEMultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>> vec) {
309 if (!vec.is_null())
311
312 return Teuchos::null;
313}
314
315template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
316const Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &toTpetra(const MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &x) {
318 XPETRA_DYNAMIC_CAST(const TpetraMultiVectorClass, x, tX, "toTpetra");
319 return *tX.getTpetra_MultiVector();
320}
321
322template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
323Tpetra::MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &toTpetra(MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node> &x) {
325 XPETRA_DYNAMIC_CAST(TpetraMultiVectorClass, x, tX, "toTpetra");
326 return *tX.getTpetra_MultiVector();
327}
328
329template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
332 return Teuchos::rcp_dynamic_cast<Xpetra::TpetraMultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>>(X, true)->getTpetra_MultiVector();
333}
334
335template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
338 return Teuchos::rcp_dynamic_cast<const Xpetra::TpetraMultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>>(X, true)->getTpetra_MultiVector();
339}
340
341} // namespace Xpetra
342
343#define XPETRA_TPETRAMULTIVECTOR_SHORT
344#endif // XPETRA_TPETRAMULTIVECTOR_HPP
#define XPETRA_DYNAMIC_CAST(type, obj, newObj, exceptionMsg)
static const EVerbosityLevel verbLevel_default
Kokkos::DualView< impl_scalar_type **, Kokkos::LayoutStride, typename node_type::device_type, Kokkos::MemoryUnmanaged > dual_view_type
void replaceMap(const RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &map)
void replaceGlobalValue(GlobalOrdinal globalRow, size_t vectorIndex, const Scalar &value)
Replace value, using global (row) index.
void doExport(const DistObject< Scalar, LocalOrdinal, GlobalOrdinal, Node > &dest, const Import< LocalOrdinal, GlobalOrdinal, Node > &importer, CombineMode CM)
Export data into this object using an Import object ("reverse mode").
bool isSameSize(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &vec) const
void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const
Print the object with the given verbosity level to a FancyOStream.
void multiply(Teuchos::ETransp transA, Teuchos::ETransp transB, const Scalar &alpha, const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &B, const Scalar &beta)
Matrix-matrix multiplication: this = beta*this + alpha*op(A)*op(B).
TpetraMultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > TpetraMultiVectorClass
Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node >::dual_view_type dual_view_type
Teuchos::RCP< Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > getVectorNonConst(size_t j)
Return a Vector which is a nonconst view of column j.
void doImport(const DistObject< Scalar, LocalOrdinal, GlobalOrdinal, Node > &source, const Import< LocalOrdinal, GlobalOrdinal, Node > &importer, CombineMode CM)
Import data into this object using an Import object ("forward mode").
virtual void assign(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &rhs)
Implementation of the assignment operator (operator=); does a deep copy.
void beginExport(const DistObject< Scalar, LocalOrdinal, GlobalOrdinal, Node > &dest, const Import< LocalOrdinal, GlobalOrdinal, Node > &importer, CombineMode CM)
Export data into this object using an Import object ("reverse mode").
void meanValue(const Teuchos::ArrayView< Scalar > &means) const
Compute mean (average) value of each vector in multi-vector. The outcome of this routine is undefined...
void dot(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, const Teuchos::ArrayView< Scalar > &dots) const
Compute dot product of each corresponding pair of vectors, dots[i] = this[i].dot(A[i]).
void putScalar(const Scalar &value)
Set all values in the multivector with the given value.
Teuchos::ArrayRCP< Scalar > get1dViewNonConst()
Nonconst persisting (1-D) view of this multivector's local values.
size_t getLocalLength() const
Local number of rows on the calling process.
size_t getNumVectors() const
Number of columns in the multivector.
void sumIntoGlobalValue(GlobalOrdinal globalRow, size_t vectorIndex, const Scalar &value)
Add value to existing value, using global (row) index.
void setSeed(unsigned int seed)
Set seed for Random function.
void reduce()
Sum values of a locally replicated multivector across all processes.
void replaceLocalValue(LocalOrdinal myRow, size_t vectorIndex, const Scalar &value)
Replace value, using local (row) index.
virtual dual_view_type::t_host_const_um getLocalViewHost(Access::ReadOnlyStruct) const
void norm2(const Teuchos::ArrayView< typename Teuchos::ScalarTraits< Scalar >::magnitudeType > &norms) const
Teuchos::RCP< const Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > getVector(size_t j) const
Return a Vector which is a const view of column j.
void endExport(const DistObject< Scalar, LocalOrdinal, GlobalOrdinal, Node > &dest, const Import< LocalOrdinal, GlobalOrdinal, Node > &importer, CombineMode CM)
Export data into this object using an Import object ("reverse mode").
RCP< Tpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > vec_
The Tpetra::MultiVector which this class wraps.
std::string description() const
A simple one-line description of this object.
void scale(const Scalar &alpha)
Scale the current values of a multi-vector, this = alpha*this.
void update(const Scalar &alpha, const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, const Scalar &beta)
Update multi-vector values with scaled values of A, this = beta*this + alpha*A.
virtual dual_view_type::t_dev_const_um getLocalViewDevice(Access::ReadOnlyStruct) const
global_size_t getGlobalLength() const
Global number of rows in the multivector.
void reciprocal(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A)
Put element-wise reciprocal values of input Multi-vector in target, this(i,j) = 1/A(i,...
virtual ~TpetraMultiVector()
Destructor (virtual for memory safety of derived classes).
void endImport(const DistObject< Scalar, LocalOrdinal, GlobalOrdinal, Node > &source, const Import< LocalOrdinal, GlobalOrdinal, Node > &importer, CombineMode CM)
Import data into this object using an Import object ("forward mode").
void abs(const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A)
Put element-wise absolute values of input Multi-vector in target: A = abs(this).
void elementWiseMultiply(Scalar scalarAB, const Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, const MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &B, Scalar scalarThis)
Element-wise multiply of a Vector A with a TpetraMultiVector B.
void sumIntoLocalValue(LocalOrdinal myRow, size_t vectorIndex, const Scalar &value)
Add value to existing value, using local (row) index.
Teuchos::ArrayRCP< const Scalar > get1dView() const
Const persisting (1-D) view of this multivector's local values.
Teuchos::ArrayRCP< const Scalar > getData(size_t j) const
Const view of the local values in a particular vector of this multivector.
RCP< Tpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > getTpetra_MultiVector() const
Get the underlying Tpetra multivector.
Teuchos::ArrayRCP< Scalar > getDataNonConst(size_t j)
View of the local values in a particular vector of this multivector.
void get2dCopy(Teuchos::ArrayView< const Teuchos::ArrayView< Scalar > > ArrayOfPtrs) const
Fill the given array with a copy of this multivector's local values.
void beginImport(const DistObject< Scalar, LocalOrdinal, GlobalOrdinal, Node > &source, const Import< LocalOrdinal, GlobalOrdinal, Node > &importer, CombineMode CM)
Import data into this object using an Import object ("forward mode").
Teuchos::ArrayRCP< Teuchos::ArrayRCP< Scalar > > get2dViewNonConst()
Return non-const persisting pointers to values.
Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > getMap() const
The Map describing the parallel distribution of this object.
void norm1(const Teuchos::ArrayView< typename Teuchos::ScalarTraits< Scalar >::magnitudeType > &norms) const
Compute 1-norm of each vector in multi-vector.
void normInf(const Teuchos::ArrayView< typename Teuchos::ScalarTraits< Scalar >::magnitudeType > &norms) const
Compute Inf-norm of each vector in multi-vector.
void randomize(bool bUseXpetraImplementation=false)
Set multi-vector values to random numbers.
void get1dCopy(Teuchos::ArrayView< Scalar > A, size_t LDA) const
Fill the given array with a copy of this multivector's local values.
Teuchos::ArrayRCP< Teuchos::ArrayRCP< const Scalar > > get2dView() const
Return const persisting pointers to values.
size_t global_size_t
Global size_t object.
RCP< const CrsGraph< int, GlobalOrdinal, Node > > toXpetra(const Epetra_CrsGraph &g)
RCP< const Tpetra::CrsGraph< LocalOrdinal, GlobalOrdinal, Node > > toTpetra(const RCP< const CrsGraph< LocalOrdinal, GlobalOrdinal, Node > > &graph)
CombineMode
Xpetra::Combine Mode enumerable type.