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Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > > Class Template Reference

Specialization of MultiVecTraits using Thyra::MultiVectorBase. More...

#include <BelosThyraAdapter.hpp>

Inheritance diagram for Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >:
Inheritance graph
[legend]

Creation methods

static Teuchos::RCP< TMVB > Clone (const TMVB &mv, const int numvecs)
 Creates a new empty MultiVectorBase containing numvecs columns.
static Teuchos::RCP< TMVB > CloneCopy (const TMVB &mv)
 Creates a new MultiVectorBase and copies contents of mv into the new std::vector (deep copy).
static Teuchos::RCP< TMVB > CloneCopy (const TMVB &mv, const std::vector< int > &index)
 Creates a new MultiVectorBase and copies the selected contents of mv into the new std::vector (deep copy).
static Teuchos::RCP< TMVB > CloneViewNonConst (TMVB &mv, const std::vector< int > &index)
 Creates a new MultiVectorBase that shares the selected contents of mv (shallow copy).
static Teuchos::RCP< const TMVB > CloneView (const TMVB &mv, const std::vector< int > &index)
 Creates a new const MultiVectorBase that shares the selected contents of mv (shallow copy).

Attribute methods

static ptrdiff_t GetGlobalLength (const TMVB &mv)
 Obtain the std::vector length of mv.
static int GetNumberVecs (const TMVB &mv)
 Obtain the number of vectors in mv.

Update methods

static void MvTimesMatAddMv (const ScalarType alpha, const TMVB &A, const Teuchos::SerialDenseMatrix< int, ScalarType > &B, const ScalarType beta, TMVB &mv)
 Update mv with $ \alpha AB + \beta mv $.
static void MvAddMv (const ScalarType alpha, const TMVB &A, const ScalarType beta, const TMVB &B, TMVB &mv)
 Replace mv with $\alpha A + \beta B$.
static void MvScale (TMVB &mv, const ScalarType alpha)
 Scale each element of the vectors in *this with alpha.
static void MvScale (TMVB &mv, const std::vector< ScalarType > &alpha)
 Scale each element of the i-th vector in *this with alpha[i].
static void MvTransMv (const ScalarType alpha, const TMVB &A, const TMVB &mv, Teuchos::SerialDenseMatrix< int, ScalarType > &B)
 Compute a dense matrix B through the matrix-matrix multiply $ \alpha A^Tmv $.
static void MvDot (const TMVB &mv, const TMVB &A, std::vector< ScalarType > &b)
 Compute a std::vector b where the components are the individual dot-products of the i-th columns of A and mv, i.e. $b[i] = A[i]^Tmv[i]$.

Norm method

static void MvNorm (const TMVB &mv, std::vector< magType > &normvec, NormType type=TwoNorm)
 Compute the 2-norm of each individual std::vector of mv. Upon return, normvec[i] holds the value of $||mv_i||_2$, the i-th column of mv.

Initialization methods

static void SetBlock (const TMVB &A, const std::vector< int > &index, TMVB &mv)
 Copy the vectors in A to a set of vectors in mv indicated by the indices given in index.
static void MvRandom (TMVB &mv)
 Replace the vectors in mv with random vectors.
static void MvInit (TMVB &mv, ScalarType alpha=Teuchos::ScalarTraits< ScalarType >::zero())
 Replace each element of the vectors in mv with alpha.

Print method

static void MvPrint (const TMVB &mv, std::ostream &os)
 Print the mv multi-std::vector to the os output stream.

Detailed Description

template<class ScalarType>
class Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >

Specialization of MultiVecTraits using Thyra::MultiVectorBase.

This is a partial specialization of Belos::MultiVecTraits class using the Thyra::MultiVectorBase class. It will ensure that any implementation of Thyra::MultiVectorBase will be accepted by the Belos templated solvers.

Definition at line 62 of file BelosThyraAdapter.hpp.

Member Function Documentation

◆ Clone()

template<class ScalarType>
Teuchos::RCP< TMVB > Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::Clone ( const TMVB & mv,
const int numvecs )
inlinestatic

Creates a new empty MultiVectorBase containing numvecs columns.

Returns
Reference-counted pointer to the new MultiVectorBase.

Definition at line 78 of file BelosThyraAdapter.hpp.

◆ CloneCopy() [1/2]

template<class ScalarType>
Teuchos::RCP< TMVB > Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::CloneCopy ( const TMVB & mv)
inlinestatic

Creates a new MultiVectorBase and copies contents of mv into the new std::vector (deep copy).

Returns
Reference-counted pointer to the new MultiVectorBase.

Definition at line 88 of file BelosThyraAdapter.hpp.

◆ CloneCopy() [2/2]

template<class ScalarType>
Teuchos::RCP< TMVB > Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::CloneCopy ( const TMVB & mv,
const std::vector< int > & index )
inlinestatic

Creates a new MultiVectorBase and copies the selected contents of mv into the new std::vector (deep copy).

The copied vectors from mv are indicated by the indeX.size() indices in index.

Returns
Reference-counted pointer to the new MultiVectorBase.

Definition at line 103 of file BelosThyraAdapter.hpp.

◆ CloneViewNonConst()

template<class ScalarType>
Teuchos::RCP< TMVB > Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::CloneViewNonConst ( TMVB & mv,
const std::vector< int > & index )
inlinestatic

Creates a new MultiVectorBase that shares the selected contents of mv (shallow copy).

The index of the numvecs vectors shallow copied from mv are indicated by the indices given in index.

Returns
Reference-counted pointer to the new MultiVectorBase.

Definition at line 133 of file BelosThyraAdapter.hpp.

◆ CloneView()

template<class ScalarType>
Teuchos::RCP< const TMVB > Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::CloneView ( const TMVB & mv,
const std::vector< int > & index )
inlinestatic

Creates a new const MultiVectorBase that shares the selected contents of mv (shallow copy).

The index of the numvecs vectors shallow copied from mv are indicated by the indices given in index.

Returns
Reference-counted pointer to the new const MultiVectorBase.

Definition at line 185 of file BelosThyraAdapter.hpp.

◆ GetGlobalLength()

template<class ScalarType>
ptrdiff_t Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::GetGlobalLength ( const TMVB & mv)
inlinestatic

Obtain the std::vector length of mv.

Definition at line 237 of file BelosThyraAdapter.hpp.

◆ GetNumberVecs()

template<class ScalarType>
int Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::GetNumberVecs ( const TMVB & mv)
inlinestatic

Obtain the number of vectors in mv.

Definition at line 242 of file BelosThyraAdapter.hpp.

◆ MvTimesMatAddMv()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvTimesMatAddMv ( const ScalarType alpha,
const TMVB & A,
const Teuchos::SerialDenseMatrix< int, ScalarType > & B,
const ScalarType beta,
TMVB & mv )
inlinestatic

Update mv with $ \alpha AB + \beta mv $.

Definition at line 252 of file BelosThyraAdapter.hpp.

◆ MvAddMv()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvAddMv ( const ScalarType alpha,
const TMVB & A,
const ScalarType beta,
const TMVB & B,
TMVB & mv )
inlinestatic

Replace mv with $\alpha A + \beta B$.

Definition at line 283 of file BelosThyraAdapter.hpp.

◆ MvScale() [1/2]

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvScale ( TMVB & mv,
const ScalarType alpha )
inlinestatic

Scale each element of the vectors in *this with alpha.

Definition at line 295 of file BelosThyraAdapter.hpp.

◆ MvScale() [2/2]

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvScale ( TMVB & mv,
const std::vector< ScalarType > & alpha )
inlinestatic

Scale each element of the i-th vector in *this with alpha[i].

Definition at line 304 of file BelosThyraAdapter.hpp.

◆ MvTransMv()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvTransMv ( const ScalarType alpha,
const TMVB & A,
const TMVB & mv,
Teuchos::SerialDenseMatrix< int, ScalarType > & B )
inlinestatic

Compute a dense matrix B through the matrix-matrix multiply $ \alpha A^Tmv $.

Definition at line 315 of file BelosThyraAdapter.hpp.

◆ MvDot()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvDot ( const TMVB & mv,
const TMVB & A,
std::vector< ScalarType > & b )
inlinestatic

Compute a std::vector b where the components are the individual dot-products of the i-th columns of A and mv, i.e. $b[i] = A[i]^Tmv[i]$.

Definition at line 340 of file BelosThyraAdapter.hpp.

◆ MvNorm()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvNorm ( const TMVB & mv,
std::vector< magType > & normvec,
NormType type = TwoNorm )
inlinestatic

Compute the 2-norm of each individual std::vector of mv. Upon return, normvec[i] holds the value of $||mv_i||_2$, the i-th column of mv.

Definition at line 355 of file BelosThyraAdapter.hpp.

◆ SetBlock()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::SetBlock ( const TMVB & A,
const std::vector< int > & index,
TMVB & mv )
inlinestatic

Copy the vectors in A to a set of vectors in mv indicated by the indices given in index.

Definition at line 378 of file BelosThyraAdapter.hpp.

◆ MvRandom()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvRandom ( TMVB & mv)
inlinestatic

Replace the vectors in mv with random vectors.

Definition at line 487 of file BelosThyraAdapter.hpp.

◆ MvInit()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvInit ( TMVB & mv,
ScalarType alpha = Teuchos::ScalarTraits<ScalarType>::zero() )
inlinestatic

Replace each element of the vectors in mv with alpha.

Definition at line 499 of file BelosThyraAdapter.hpp.

◆ MvPrint()

template<class ScalarType>
void Belos::MultiVecTraits< ScalarType, Thyra::MultiVectorBase< ScalarType > >::MvPrint ( const TMVB & mv,
std::ostream & os )
inlinestatic

Print the mv multi-std::vector to the os output stream.

Definition at line 511 of file BelosThyraAdapter.hpp.

The documentation for this class was generated from the following file:
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