Belos::PCPGIterState< ScalarType, MV > Struct Template Reference

Structure to contain pointers to PCPGIter state variables. More...

#include <BelosPCPGIter.hpp>

List of all members.

Public Member Functions

 PCPGIterState ()

Public Attributes

int curDim
 The current dimension of the reduction.
int prevUdim
 Number of block columns in matrices C and U before current iteration.
Teuchos::RCP< MV > R
 The current residual.
Teuchos::RCP< MV > Z
 The current preconditioned residual.
Teuchos::RCP< MV > P
 The current decent direction std::vector.
Teuchos::RCP< MV > AP
 The matrix A applied to current decent direction std::vector.
Teuchos::RCP< MV > U
 The recycled subspace.
Teuchos::RCP< MV > C
 C = AU, U spans recycled subspace.
Teuchos::RCP< const
Teuchos::SerialDenseMatrix
< int, ScalarType > > 
D
 The current Hessenberg matrix.

Detailed Description

template<class ScalarType, class MV>
struct Belos::PCPGIterState< ScalarType, MV >

Structure to contain pointers to PCPGIter state variables.

The structure is utilized by initialize() and getState().

Definition at line 75 of file BelosPCPGIter.hpp.


Constructor & Destructor Documentation

template<class ScalarType, class MV>
Belos::PCPGIterState< ScalarType, MV >::PCPGIterState (  )  [inline]

Definition at line 109 of file BelosPCPGIter.hpp.


Member Data Documentation

template<class ScalarType, class MV>
int Belos::PCPGIterState< ScalarType, MV >::curDim

The current dimension of the reduction.

This ought always to equal PCPGIter::getCurSubspaceDim()

Number of block columns in matrices C and U

Definition at line 81 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
int Belos::PCPGIterState< ScalarType, MV >::prevUdim

Number of block columns in matrices C and U before current iteration.

Definition at line 83 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<MV> Belos::PCPGIterState< ScalarType, MV >::R

The current residual.

Definition at line 86 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<MV> Belos::PCPGIterState< ScalarType, MV >::Z

The current preconditioned residual.

Definition at line 89 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<MV> Belos::PCPGIterState< ScalarType, MV >::P

The current decent direction std::vector.

Definition at line 92 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<MV> Belos::PCPGIterState< ScalarType, MV >::AP

The matrix A applied to current decent direction std::vector.

Definition at line 95 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<MV> Belos::PCPGIterState< ScalarType, MV >::U

The recycled subspace.

Definition at line 98 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<MV> Belos::PCPGIterState< ScalarType, MV >::C

C = AU, U spans recycled subspace.

Definition at line 101 of file BelosPCPGIter.hpp.

template<class ScalarType, class MV>
Teuchos::RCP<const Teuchos::SerialDenseMatrix<int,ScalarType> > Belos::PCPGIterState< ScalarType, MV >::D

The current Hessenberg matrix.

The curDim by curDim D = diag(P'*AP) = U' * C

Definition at line 107 of file BelosPCPGIter.hpp.


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