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BelosStochasticCGIteration.hpp
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// ************************************************************************
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//
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// Belos: Block Linear Solvers Package
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// Copyright 2004 Sandia Corporation
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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// ************************************************************************
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//@HEADER
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#ifndef BELOS_CG_STOCHASTIC_ITERATION_HPP
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#define BELOS_CG_STOCHASTIC_ITERATION_HPP
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#include "
BelosConfigDefs.hpp
"
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#include "
BelosTypes.hpp
"
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#include "
BelosIteration.hpp
"
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#include "
BelosCGIteration.hpp
"
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namespace
Belos
{
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template
<
class
ScalarType,
class
MV>
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struct
StochasticCGIterationState
{
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Teuchos::RCP<const MV>
R
;
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Teuchos::RCP<const MV>
Z
;
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Teuchos::RCP<const MV>
P
;
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Teuchos::RCP<const MV>
AP
;
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Teuchos::RCP<const MV>
Y
;
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StochasticCGIterationState
() :
R
(Teuchos::null),
Z
(Teuchos::null),
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P
(Teuchos::null),
AP
(Teuchos::null),
Y
(Teuchos::null)
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{}
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};
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template
<
class
ScalarType,
class
MV,
class
OP>
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class
StochasticCGIteration
:
virtual
public
Iteration
<ScalarType,MV,OP> {
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public
:
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virtual
void
initializeCG
(
StochasticCGIterationState<ScalarType,MV>
& newstate) = 0;
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virtual
StochasticCGIterationState<ScalarType,MV>
getState
()
const
= 0;
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};
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}
// end Belos namespace
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#endif
/* BELOS_STOCHASTIC_CG_ITERATION_HPP */
BelosCGIteration.hpp
Pure virtual base class which augments the basic interface for a conjugate gradient linear solver ite...
BelosConfigDefs.hpp
Belos header file which uses auto-configuration information to include necessary C++ headers.
BelosIteration.hpp
Pure virtual base class which describes the basic interface to the linear solver iteration.
BelosTypes.hpp
Collection of types and exceptions used within the Belos solvers.
Belos::Iteration::Iteration
Iteration()
Default Constructor.
Definition
BelosIteration.hpp:81
Belos::StochasticCGIteration
Definition
BelosStochasticCGIteration.hpp:87
Belos::StochasticCGIteration::getState
virtual StochasticCGIterationState< ScalarType, MV > getState() const =0
Get the current state of the linear solver.
Belos::StochasticCGIteration::initializeCG
virtual void initializeCG(StochasticCGIterationState< ScalarType, MV > &newstate)=0
Initialize the solver to an iterate, providing a complete state.
Belos
Definition
Belos_Details_EBelosSolverType.cpp:45
Belos::StochasticCGIterationState
Structure to contain pointers to CGIteration state variables.
Definition
BelosStochasticCGIteration.hpp:64
Belos::StochasticCGIterationState::Y
Teuchos::RCP< const MV > Y
The current stochastic recurrence vector.
Definition
BelosStochasticCGIteration.hpp:79
Belos::StochasticCGIterationState::AP
Teuchos::RCP< const MV > AP
The matrix A applied to current decent direction vector.
Definition
BelosStochasticCGIteration.hpp:76
Belos::StochasticCGIterationState::P
Teuchos::RCP< const MV > P
The current decent direction vector.
Definition
BelosStochasticCGIteration.hpp:73
Belos::StochasticCGIterationState::Z
Teuchos::RCP< const MV > Z
The current preconditioned residual.
Definition
BelosStochasticCGIteration.hpp:70
Belos::StochasticCGIterationState::R
Teuchos::RCP< const MV > R
The current residual.
Definition
BelosStochasticCGIteration.hpp:67
Belos::StochasticCGIterationState::StochasticCGIterationState
StochasticCGIterationState()
Definition
BelosStochasticCGIteration.hpp:81
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