Tpetra parallel linear algebra Version of the Day
Tpetra_Vector_decl.hpp
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41
42#ifndef TPETRA_VECTOR_DECL_HPP
43#define TPETRA_VECTOR_DECL_HPP
44
47
48#include "Tpetra_ConfigDefs.hpp"
49#include "Tpetra_Vector_fwd.hpp"
51
52namespace Tpetra {
53
72template <class Scalar,
73 class LocalOrdinal,
74 class GlobalOrdinal,
75 class Node>
76class Vector : public MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>
77{
78private:
80
81public:
83
84
87 typedef Scalar scalar_type;
99 typedef LocalOrdinal local_ordinal_type;
101 typedef GlobalOrdinal global_ordinal_type;
103 typedef typename Node::device_type device_type;
104
106 typedef Node node_type;
107
114
122
125
128
130
132
134 Vector ();
135
141 //
146 explicit Vector (const Teuchos::RCP<const map_type>& map,
147 const bool zeroOut = true);
148
161 const Teuchos::DataAccess copyOrView);
162
169 const Teuchos::RCP<const map_type>& map,
170 const local_ordinal_type rowOffset = 0);
171
173 Vector (const Teuchos::RCP<const map_type>& map,
174 const Teuchos::ArrayView<const Scalar>& A);
175
188 Vector (const Teuchos::RCP<const map_type>& map,
189 const dual_view_type& view);
190
205 Vector (const Teuchos::RCP<const map_type>& map,
206 const dual_view_type& view,
207 const dual_view_type& origView);
208
215 const size_t j);
216
226
229
237
241
251 virtual ~Vector () = default;
253
255
256
258
260 void replaceGlobalValue (const GlobalOrdinal globalRow, const Scalar& value);
261
281 void
282 sumIntoGlobalValue (const GlobalOrdinal globalRow,
283 const Scalar& value,
284 const bool atomic = base_type::useAtomicUpdatesByDefault);
285
287
289 void replaceLocalValue (const LocalOrdinal myRow, const Scalar& value);
290
308 void
309 sumIntoLocalValue (const LocalOrdinal myRow,
310 const Scalar& value,
311 const bool atomic = base_type::useAtomicUpdatesByDefault);
312
314
316
317
318 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::get1dCopy; // overloading, not hiding
320 void get1dCopy (const Teuchos::ArrayView<Scalar>& A) const;
321
322 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::getDataNonConst; // overloading, not hiding
324 Teuchos::ArrayRCP<Scalar> getDataNonConst () {
325 return getDataNonConst (0);
326 }
327
328 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::getData; // overloading, not hiding
330 Teuchos::ArrayRCP<const Scalar> getData () const {
331 return getData (0);
332 }
333
334 Teuchos::RCP<const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node> >
335 offsetView (const Teuchos::RCP<const map_type>& subMap,
336 const size_t offset) const;
337
338 Teuchos::RCP<Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node> >
339 offsetViewNonConst (const Teuchos::RCP<const map_type>& subMap,
340 const size_t offset);
342
344
345 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::dot; // overloading, not hiding
348
349 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::norm1; // overloading, not hiding
351 mag_type norm1() const;
352
353 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::norm2; // overloading, not hiding
355 mag_type norm2() const;
356
357 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::normInf; // overloading, not hiding
359 mag_type normInf() const;
360
361
362 using MultiVector<Scalar, LocalOrdinal, GlobalOrdinal, Node>::meanValue; // overloading, not hiding
364 Scalar meanValue () const;
365
367
369
371 virtual std::string description () const;
372
394 virtual void
395 describe (Teuchos::FancyOStream& out,
396 const Teuchos::EVerbosityLevel verbLevel =
397 Teuchos::Describable::verbLevel_default) const;
399}; // class Vector
400
403template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
404Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>
405createCopy (const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>& src);
406
412template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
413Teuchos::RCP<Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node> >
415{
417}
418
419} // namespace Tpetra
420
421#endif // TPETRA_VECTOR_DECL_HPP
Declaration of the Tpetra::MultiVector class.
Forward declaration of Tpetra::Vector.
Base class for distributed Tpetra objects that support data redistribution.
A parallel distribution of indices over processes.
One or more distributed dense vectors.
typename map_type::local_ordinal_type local_ordinal_type
The type of local indices that this class uses.
typename Kokkos::Details::InnerProductSpaceTraits< impl_scalar_type >::dot_type dot_type
Type of an inner ("dot") product result.
typename Kokkos::Details::ArithTraits< Scalar >::val_type impl_scalar_type
The type used internally in place of Scalar.
Kokkos::DualView< impl_scalar_type **, Kokkos::LayoutLeft, device_type > dual_view_type
Kokkos::DualView specialization used by this class.
typename Kokkos::ArithTraits< impl_scalar_type >::mag_type mag_type
Type of a norm result.
static const bool useAtomicUpdatesByDefault
Whether sumIntoLocalValue and sumIntoGlobalValue should use atomic updates by default.
A distributed dense vector.
virtual ~Vector()=default
Destructor (virtual for memory safety of derived classes).
void replaceGlobalValue(const GlobalOrdinal globalRow, const Scalar &value)
Replace current value at the specified location with specified value.
base_type::impl_scalar_type impl_scalar_type
The type used internally in place of Scalar.
void sumIntoLocalValue(const LocalOrdinal myRow, const Scalar &value, const bool atomic=base_type::useAtomicUpdatesByDefault)
Add value to existing value, using local (row) index.
mag_type normInf() const
Return the infinity-norm of this Vector.
Scalar meanValue() const
Compute mean (average) value of this Vector.
base_type::mag_type mag_type
Type of a norm result.
void replaceLocalValue(const LocalOrdinal myRow, const Scalar &value)
Replace current value at the specified location with specified values.
GlobalOrdinal global_ordinal_type
This class' third template parameter; the type of global indices.
mag_type norm2() const
Return the two-norm of this Vector.
Scalar scalar_type
This class' first template parameter; the type of each entry in the Vector.
base_type::dot_type dot_type
Type of an inner ("dot") product result.
Vector & operator=(const Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &)=default
Copy assignment (shallow copy).
Node node_type
The Kokkos Node type.
LocalOrdinal local_ordinal_type
This class' second template parameter; the type of local indices.
void sumIntoGlobalValue(const GlobalOrdinal globalRow, const Scalar &value, const bool atomic=base_type::useAtomicUpdatesByDefault)
Add value to existing value, using global (row) index.
Teuchos::RCP< Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > > createVector(const Teuchos::RCP< const Map< LocalOrdinal, GlobalOrdinal, Node > > &map)
Nonmember Vector "constructor": Create a Vector from a given Map.
virtual void describe(Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const
Describe this object in a human-readable way to the given output stream.
Vector()
Default constructor: makes a Vector with no rows or columns.
Vector(Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &&)=default
Move constructor (shallow move).
Teuchos::ArrayRCP< const Scalar > getData() const
Const view of the local values of this vector.
virtual std::string description() const
Return a one-line description of this object.
Node::device_type device_type
The Kokkos device type.
Vector(const Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &)=default
Copy constructor (shallow copy).
void get1dCopy(const Teuchos::ArrayView< Scalar > &A) const
Return multi-vector values in user-provided two-dimensional array (using Teuchos memory management cl...
base_type::dual_view_type dual_view_type
Kokkos::DualView specialization used by this class.
Teuchos::ArrayRCP< Scalar > getDataNonConst()
View of the local values of this vector.
dot_type dot(const Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &y) const
Return the dot product of this Vector and the input Vector x.
mag_type norm1() const
Return the one-norm of this Vector.
base_type::map_type map_type
The type of the Map specialization used by this class.
Namespace Tpetra contains the class and methods constituting the Tpetra library.
MultiVector< ST, LO, GO, NT > createCopy(const MultiVector< ST, LO, GO, NT > &src)
Return a deep copy of the given MultiVector.