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BelosMultiVecTraits.hpp
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42 #ifndef BELOS_MULTI_VEC_TRAITS_HPP
43 #define BELOS_MULTI_VEC_TRAITS_HPP
44 
55 
56 #include "BelosTypes.hpp"
57 #include "BelosStubTsqrAdapter.hpp"
58 #include "Teuchos_Range1D.hpp"
59 #include "Teuchos_RCP.hpp"
61 
62 namespace Belos {
63 
70  template<class ScalarType, class MV>
72  {
79  static inline ScalarType notDefined() {
80  return MV::this_type_is_missing_a_specialization();
81  }
82  };
83 
128  template<class ScalarType, class MV>
130  public:
132 
133 
138  static Teuchos::RCP<MV> Clone( const MV& mv, const int numvecs )
139  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
140 
145  static Teuchos::RCP<MV> CloneCopy( const MV& mv )
146  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
147 
153  static Teuchos::RCP<MV> CloneCopy( const MV& mv, const std::vector<int>& index )
154  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
155 
165  static Teuchos::RCP<MV> CloneCopy( const MV& mv, const Teuchos::Range1D& index )
166  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
167 
173  static Teuchos::RCP<MV> CloneViewNonConst( MV& mv, const std::vector<int>& index )
174  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
175 
184  static Teuchos::RCP<MV> CloneViewNonConst( MV& mv, const Teuchos::Range1D& index )
185  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
186 
192  static Teuchos::RCP<const MV> CloneView( const MV& mv, const std::vector<int>& index )
193  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
194 
203  static Teuchos::RCP<MV> CloneView( MV& mv, const Teuchos::Range1D& index )
204  { UndefinedMultiVecTraits<ScalarType, MV>::notDefined(); return Teuchos::null; }
205 
207 
209 
210 
214  static ptrdiff_t GetGlobalLength( const MV& mv )
216 
218  static int GetNumberVecs( const MV& mv )
220 
243  static bool HasConstantStride( const MV& mv )
245 
247 
249 
250 
253  static void MvTimesMatAddMv( const ScalarType alpha, const MV& A,
255  const ScalarType beta, MV& mv )
257 
260  static void MvAddMv( const ScalarType alpha, const MV& A, const ScalarType beta, const MV& B, MV& mv )
262 
265  static void MvScale ( MV& mv, const ScalarType alpha )
267 
270  static void MvScale ( MV& mv, const std::vector<ScalarType>& alpha )
272 
275  static void MvTransMv( const ScalarType alpha, const MV& A, const MV& mv, Teuchos::SerialDenseMatrix<int,ScalarType>& B)
277 
280  static void MvDot ( const MV& mv, const MV& A, std::vector<ScalarType> &b)
282 
284 
286 
294  static void MvNorm( const MV& mv, std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType>& normvec, NormType type = TwoNorm )
296 
298 
300 
301 
306  static void SetBlock( const MV& A, const std::vector<int>& index, MV& mv )
308 
321  static void SetBlock( const MV& A, const Teuchos::Range1D& index, MV& mv )
323 
327  static void Assign( const MV& A, MV& mv )
329 
332  static void MvRandom( MV& mv )
334 
337  static void MvInit( MV& mv, const ScalarType alpha = Teuchos::ScalarTraits<ScalarType>::zero() )
339 
341 
343 
344 
347  static void MvPrint( const MV& mv, std::ostream& os )
349 
351 
352 #ifdef HAVE_BELOS_TSQR
353  typedef Belos::details::StubTsqrAdapter<MV> tsqr_adaptor_type;
366 #endif // HAVE_BELOS_TSQR
367  };
368 
369 } // namespace Belos
370 
371 #endif // BELOS_MULTI_VEC_TRAITS_HPP
Collection of types and exceptions used within the Belos solvers.
static void MvDot(const MV &mv, const MV &A, std::vector< ScalarType > &b)
Compute a vector b where the components are the individual dot-products of the i-th columns of A and ...
static Teuchos::RCP< MV > CloneCopy(const MV &mv, const std::vector< int > &index)
Creates a new MV and copies the selected contents of mv into the new vector (deep copy)...
static void MvRandom(MV &mv)
Replace the vectors in mv with random vectors.
static Teuchos::RCP< MV > CloneView(MV &mv, const Teuchos::Range1D &index)
Const view of specified columns of mv.
static Teuchos::RCP< const MV > CloneView(const MV &mv, const std::vector< int > &index)
Creates a new const MV that shares the selected contents of mv (shallow copy).
static Teuchos::RCP< MV > CloneViewNonConst(MV &mv, const Teuchos::Range1D &index)
Non-const view of specified columns of mv.
static void MvInit(MV &mv, const ScalarType alpha=Teuchos::ScalarTraits< ScalarType >::zero())
Replace each element of the vectors in mv with alpha.
static void MvTransMv(const ScalarType alpha, const MV &A, const MV &mv, Teuchos::SerialDenseMatrix< int, ScalarType > &B)
Compute a dense matrix B through the matrix-matrix multiply .
static int GetNumberVecs(const MV &mv)
Obtain the number of vectors in mv.
static void Assign(const MV &A, MV &mv)
mv := A
static void MvAddMv(const ScalarType alpha, const MV &A, const ScalarType beta, const MV &B, MV &mv)
Replace mv with .
static void SetBlock(const MV &A, const Teuchos::Range1D &index, MV &mv)
Deep copy of A into specified columns of mv.
Used by MultiVecTraits to report lack of a specialization.
Traits class which defines basic operations on multivectors.
static void SetBlock(const MV &A, const std::vector< int > &index, MV &mv)
Copy the vectors in A to a set of vectors in mv indicated by the indices given in index...
static Teuchos::RCP< MV > CloneViewNonConst(MV &mv, const std::vector< int > &index)
Creates a new MV that shares the selected contents of mv (shallow copy).
static Teuchos::RCP< MV > Clone(const MV &mv, const int numvecs)
Creates a new empty MV containing numvecs columns.
static Teuchos::RCP< MV > CloneCopy(const MV &mv, const Teuchos::Range1D &index)
Deep copy of specified columns of mv.
static Teuchos::RCP< MV > CloneCopy(const MV &mv)
Creates a new MV and copies contents of mv into the new vector (deep copy).
static void MvTimesMatAddMv(const ScalarType alpha, const MV &A, const Teuchos::SerialDenseMatrix< int, ScalarType > &B, const ScalarType beta, MV &mv)
Update mv with .
&quot;Stub&quot; TSQR adaptor for unsupported multivector types.
&quot;Stub&quot; TSQR adapter for unsupported multivector types.
static bool HasConstantStride(const MV &mv)
Whether the given multivector mv has constant stride.
static ptrdiff_t GetGlobalLength(const MV &mv)
Return the number of rows in the given multivector mv.
NormType
The type of vector norm to compute.
Definition: BelosTypes.hpp:97
static ScalarType notDefined()
Any attempt to compile this method will result in a compile-time error.
static void MvNorm(const MV &mv, std::vector< typename Teuchos::ScalarTraits< ScalarType >::magnitudeType > &normvec, NormType type=TwoNorm)
Compute the norm of each individual vector of mv. Upon return, normvec[i] holds the value of ...
static void MvScale(MV &mv, const std::vector< ScalarType > &alpha)
Scale each element of the i-th vector in mv with alpha[i].
static void MvScale(MV &mv, const ScalarType alpha)
Scale each element of the vectors in mv with alpha.
static void MvPrint(const MV &mv, std::ostream &os)
Print the mv multi-vector to the os output stream.

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