#include <ColumnSolver.h>

Inheritance diagram for AMP::Solver::ColumnSolver:

Public Types
typedef std::shared_ptr< AMP::Solver::SolverStrategy >	shared_ptr

enum class	SolverStatus { ConvergedOnAbsTol , ConvergedOnRelTol , ConvergedUserCondition , MaxIterations , DivergedLineSearch , DivergedStepSize , DivergedFunctionCount , DivergedOnNan , DivergedNestedSolver , DivergedOther }

Public Member Functions
void	append (std::shared_ptr< AMP::Solver::SolverStrategy > solver)

void	apply (std::shared_ptr< const AMP::LinearAlgebra::Vector > f, std::shared_ptr< AMP::LinearAlgebra::Vector > u) override

	ColumnSolver ()

	ColumnSolver (std::shared_ptr< const SolverStrategyParameters > parameters)

AMP::Scalar	getAbsoluteTolerance () const

bool	getConverged (void) const

SolverStatus	getConvergenceStatus (void) const

std::string	getConvergenceStatusString (void) const

int	getDebugPrintInfoLevel (void)

AMP::Utilities::ExecutionSpace	getExecutionSpace () const

std::shared_ptr< AMP::LinearAlgebra::Vector >	getFunctionScaling ()

virtual AMP::Scalar	getInitialResidual (void) const

virtual const std::vector< int > &	getIterationHistory (void)

virtual int	getIterations (void) const

int	getMaxIterations (void) const

virtual std::shared_ptr< SolverStrategy >	getNestedSolver (void)

int	getNumberOfSolvers ()

virtual std::shared_ptr< AMP::Operator::Operator >	getOperator (void)

AMP::Scalar	getRelativeTolerance () const

virtual AMP::Scalar	getResidualNorm (void) const

std::shared_ptr< AMP::LinearAlgebra::Vector >	getSolutionScaling ()

std::shared_ptr< AMP::Solver::SolverStrategy >	getSolver (const int i)

int	getTotalNumberOfIterations (void)

virtual void	initialize (std::shared_ptr< const SolverStrategyParameters > parameters)

virtual void	print (std::ostream &)

virtual void	printConvergenceStatus (SolverStrategy::SolverStatus, std::ostream &=AMP::pout) const

virtual void	printStatistics (std::ostream &os=AMP::pout)

virtual void	registerOperator (std::shared_ptr< AMP::Operator::Operator > op)

virtual void	registerWriter (std::shared_ptr< AMP::IO::Writer > writer)
	Registers a writer with the solver.

virtual void	reset (std::shared_ptr< SolverStrategyParameters > parameters)

void	resetOperator (std::shared_ptr< const AMP::Operator::OperatorParameters > params) override

virtual void	residual (std::shared_ptr< const AMP::LinearAlgebra::Vector > f, std::shared_ptr< const AMP::LinearAlgebra::Vector > u, std::shared_ptr< AMP::LinearAlgebra::Vector > r)

virtual void	setAbsoluteTolerance (AMP::Scalar abs_tol)

void	setComponentScalings (std::shared_ptr< AMP::LinearAlgebra::Vector > s, std::shared_ptr< AMP::LinearAlgebra::Vector > f)
	for multiphysics problems it may be necessary to scale the solution

virtual void	setDebugPrintInfoLevel (int print_level)

void	setExecutionSpace (AMP::Utilities::ExecutionSpace space)

void	setInitialGuess (std::shared_ptr< AMP::LinearAlgebra::Vector > initialGuess) override

void	setIsNestedSolver (bool is_nested)
	Tell a solver that it is nested inside some outer solver.

virtual void	setMaxIterations (const int max_iterations)

virtual void	setNestedSolver (std::shared_ptr< SolverStrategy > solver)

virtual void	setRelativeTolerance (AMP::Scalar rel_tol)

virtual void	setZeroInitialGuess (bool use_zero_guess)

std::string	type () const override
	Return the name of the solver.

virtual	~ColumnSolver ()

Static Public Member Functions
static std::unique_ptr< SolverStrategy >	createSolver (std::shared_ptr< SolverStrategyParameters > solverStrategyParameters)

static std::string	statusToString (SolverStatus status)

Protected Member Functions
virtual bool	checkStoppingCriteria (AMP::Scalar res_norm, bool check_iters=true)

void	GaussSeidel (std::shared_ptr< const AMP::LinearAlgebra::Vector > &f, std::shared_ptr< AMP::LinearAlgebra::Vector > &u)

void	getBaseFromInput (std::shared_ptr< AMP::Database > db)

void	SymmetricGaussSeidel (std::shared_ptr< const AMP::LinearAlgebra::Vector > &f, std::shared_ptr< AMP::LinearAlgebra::Vector > &u)

Protected Attributes
bool	d_bComputeResidual = false

bool	d_bIsNestedSolver = false

bool	d_bUseZeroInitialGuess = true

SolverStatus	d_ConvergenceStatus = SolverStatus::DivergedOther

AMP::Scalar	d_dAbsoluteTolerance = 1.0e-14

std::shared_ptr< AMP::Database >	d_db = nullptr

AMP::Scalar	d_dInitialResidual

AMP::Scalar	d_dRelativeTolerance = 1.0e-09

AMP::Scalar	d_dResidualNorm

AMP::Utilities::ExecutionSpace	d_exec_space = AMP::Utilities::ExecutionSpace::unspecified
	execution space for the solver

std::shared_ptr< AMP::Database >	d_global_db = nullptr

int	d_iDebugPrintInfoLevel = 0

int	d_iMaxIterations = 0

int	d_iNumberIterations = 0

int	d_iObjectId

std::vector< int >	d_iterationHistory
	keeps track of iteration statistics over solver lifetime

std::string	d_IterationType

AMP::Utilities::MemoryType	d_memory_location = AMP::Utilities::MemoryType::none
	memory storage address space

std::shared_ptr< AMP::LinearAlgebra::Vector >	d_pFunctionScaling

std::shared_ptr< AMP::Solver::SolverStrategy >	d_pNestedSolver = nullptr
	nested solver used by this solver

std::shared_ptr< AMP::Operator::Operator >	d_pOperator = nullptr

std::shared_ptr< AMP::LinearAlgebra::Vector >	d_pSolutionScaling

bool	d_resetColumnOperator

std::string	d_sName

std::vector< std::shared_ptr< AMP::Solver::SolverStrategy > >	d_Solvers

std::shared_ptr< AMP::IO::Writer >	d_writer = nullptr

Static Protected Attributes
static int	d_iInstanceId

Detailed Description

A class for representing a column of solvers to be applied to a ColumnOperator The main intention of this class is to provide block diagonal or block triangular preconditioners of Gauss-Seidel or Jacobi type

Definition at line 17 of file ColumnSolver.h.

Member Typedef Documentation

◆ shared_ptr

typedef std::shared_ptr<AMP::Solver::SolverStrategy> AMP::Solver::SolverStrategy::shared_ptr

inherited

Definition at line 30 of file SolverStrategy.h.

Member Enumeration Documentation

◆ SolverStatus

enum class AMP::Solver::SolverStrategy::SolverStatus

stronginherited

Enumerator
ConvergedOnAbsTol
ConvergedOnRelTol
ConvergedUserCondition
MaxIterations
DivergedLineSearch
DivergedStepSize
DivergedFunctionCount
DivergedOnNan
DivergedNestedSolver
DivergedOther

Definition at line 62 of file SolverStrategy.h.

Constructor & Destructor Documentation

◆ ColumnSolver() [1/2]

AMP::Solver::ColumnSolver::ColumnSolver ( )

inline

default empty constructor

Definition at line 23 of file ColumnSolver.h.

References d_resetColumnOperator.

◆ ColumnSolver() [2/2]

AMP::Solver::ColumnSolver::ColumnSolver ( std::shared_ptr< const SolverStrategyParameters > parameters )

explicit

Main constructor

Parameters

[in] parameters object used for initialization. The parameters object contains a database object. The database object can optionally contain a string field "IterationType" in addition to any fields expected by the base class SolverStrategy. The IterationType must currently either be "GaussSeidel" or "SymmetricGaussSeidel"

◆ ~ColumnSolver()

virtual AMP::Solver::ColumnSolver::~ColumnSolver ( )

inlinevirtual

destructor, currently does nothing

Definition at line 49 of file ColumnSolver.h.

Member Function Documentation

◆ append()

void AMP::Solver::ColumnSolver::append ( std::shared_ptr< AMP::Solver::SolverStrategy > solver )

Parameters

[in] solver shared pointer to a solver to append to the existing column of solvers

◆ apply()

void AMP::Solver::ColumnSolver::apply	(	std::shared_ptr< const AMP::LinearAlgebra::Vector >	f,
		std::shared_ptr< AMP::LinearAlgebra::Vector >	u
	)

overridevirtual

Solve the system $A(u) = f$. Assumptions: $A(.)$ is assumed to be a ColumnOperator

Parameters

[in]	f	shared pointer to right hand side
[out]	u	shared pointer to computed approximate solution

Implements AMP::Solver::SolverStrategy.

◆ checkStoppingCriteria()

virtual bool AMP::Solver::SolverStrategy::checkStoppingCriteria	(	AMP::Scalar	res_norm,
		bool	check_iters = `true`
	)

protectedvirtualinherited

◆ createSolver()

static std::unique_ptr< SolverStrategy > AMP::Solver::ColumnSolver::createSolver ( std::shared_ptr< SolverStrategyParameters > solverStrategyParameters )

inlinestatic

static create routine that is used by SolverFactory

Parameters

[in] solverStrategyParameters The parameters object contains a database objects with the fields listed for the constructor above

Definition at line 41 of file ColumnSolver.h.

◆ GaussSeidel()

void AMP::Solver::ColumnSolver::GaussSeidel	(	std::shared_ptr< const AMP::LinearAlgebra::Vector > &	f,
		std::shared_ptr< AMP::LinearAlgebra::Vector > &	u
	)

protected

◆ getAbsoluteTolerance()

AMP::Scalar AMP::Solver::SolverStrategy::getAbsoluteTolerance ( ) const

inlineinherited

Definition at line 208 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_dAbsoluteTolerance.

◆ getBaseFromInput()

void AMP::Solver::SolverStrategy::getBaseFromInput ( std::shared_ptr< AMP::Database > db )

protectedinherited

◆ getConverged()

bool AMP::Solver::SolverStrategy::getConverged ( void ) const

inlineinherited

Definition at line 225 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::ConvergedUserCondition, and AMP::Solver::SolverStrategy::d_ConvergenceStatus.

◆ getConvergenceStatus()

SolverStatus AMP::Solver::SolverStrategy::getConvergenceStatus ( void ) const

inlineinherited

Definition at line 230 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_ConvergenceStatus.

◆ getConvergenceStatusString()

std::string AMP::Solver::SolverStrategy::getConvergenceStatusString ( void ) const

inlineinherited

Definition at line 232 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_ConvergenceStatus, and AMP::Solver::SolverStrategy::statusToString().

◆ getDebugPrintInfoLevel()

int AMP::Solver::SolverStrategy::getDebugPrintInfoLevel ( void )

inlineinherited

Get level of diagnostic information printed during iterations.

Definition at line 137 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_iDebugPrintInfoLevel.

◆ getExecutionSpace()

AMP::Utilities::ExecutionSpace AMP::Solver::SolverStrategy::getExecutionSpace ( ) const

inlineinherited

Definition at line 269 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_exec_space.

◆ getFunctionScaling()

std::shared_ptr< AMP::LinearAlgebra::Vector > AMP::Solver::SolverStrategy::getFunctionScaling ( )

inlineinherited

Definition at line 267 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_pFunctionScaling.

◆ getInitialResidual()

virtual AMP::Scalar AMP::Solver::SolverStrategy::getInitialResidual ( void ) const

inlinevirtualinherited

Definition at line 241 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_dInitialResidual.

◆ getIterationHistory()

virtual const std::vector< int > & AMP::Solver::SolverStrategy::getIterationHistory ( void )

inlinevirtualinherited

Definition at line 243 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_iterationHistory.

◆ getIterations()

virtual int AMP::Solver::SolverStrategy::getIterations ( void ) const

inlinevirtualinherited

Return the number of iterations taken by the solver to converge.

Definition at line 142 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_iNumberIterations.

◆ getMaxIterations()

int AMP::Solver::SolverStrategy::getMaxIterations ( void ) const

inlineinherited

Definition at line 218 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_iMaxIterations.

◆ getNestedSolver()

virtual std::shared_ptr< SolverStrategy > AMP::Solver::SolverStrategy::getNestedSolver ( void )

inlinevirtualinherited

Return a nested solver (eg preconditioner) if it exists. By default return a nullptr

Reimplemented in AMP::Solver::PetscSNESSolver.

Definition at line 172 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_pNestedSolver.

◆ getNumberOfSolvers()

int AMP::Solver::ColumnSolver::getNumberOfSolvers ( )

inline

Definition at line 80 of file ColumnSolver.h.

References d_Solvers.

◆ getOperator()

virtual std::shared_ptr< AMP::Operator::Operator > AMP::Solver::SolverStrategy::getOperator ( void )

virtualinherited

Return a shared pointer to the operator registered with the solver.

◆ getRelativeTolerance()

AMP::Scalar AMP::Solver::SolverStrategy::getRelativeTolerance ( ) const

inlineinherited

Definition at line 212 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_dRelativeTolerance.

◆ getResidualNorm()

virtual AMP::Scalar AMP::Solver::SolverStrategy::getResidualNorm ( void ) const

inlinevirtualinherited

Definition at line 239 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_dResidualNorm.

◆ getSolutionScaling()

std::shared_ptr< AMP::LinearAlgebra::Vector > AMP::Solver::SolverStrategy::getSolutionScaling ( )

inlineinherited

Definition at line 266 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_pSolutionScaling.

◆ getSolver()

std::shared_ptr< AMP::Solver::SolverStrategy > AMP::Solver::ColumnSolver::getSolver ( const int i )

inline

returns a shared pointer to the i-th solver

Parameters

[in] i integer index for solver to extract

Definition at line 78 of file ColumnSolver.h.

References d_Solvers.

◆ getTotalNumberOfIterations()

int AMP::Solver::SolverStrategy::getTotalNumberOfIterations ( void )

inherited

◆ initialize()

virtual void AMP::Solver::SolverStrategy::initialize ( std::shared_ptr< const SolverStrategyParameters > parameters )

virtualinherited

Initialize the solution vector and potentially create internal vectors needed for solution

Parameters

[in] parameters The parameters object contains a database object. Currently there are no required fields for the database object.

◆ print()

virtual void AMP::Solver::SolverStrategy::print ( std::ostream & )

inlinevirtualinherited

Definition at line 237 of file SolverStrategy.h.

◆ printConvergenceStatus()

virtual void AMP::Solver::SolverStrategy::printConvergenceStatus	(	SolverStrategy::SolverStatus	,
		std::ostream &	= `AMP::pout`
	)		const

inlinevirtualinherited

Reimplemented in AMP::Solver::PetscSNESSolver.

Definition at line 251 of file SolverStrategy.h.

◆ printStatistics()

virtual void AMP::Solver::SolverStrategy::printStatistics ( std::ostream & os = AMP::pout )

inlinevirtualinherited

Reimplemented in AMP::Solver::NonlinearKrylovAccelerator< T >.

Definition at line 220 of file SolverStrategy.h.

◆ registerOperator()

virtual void AMP::Solver::SolverStrategy::registerOperator ( std::shared_ptr< AMP::Operator::Operator > op )

virtualinherited

Register the operator that the solver will use during solves

Parameters

[in] op shared pointer to operator $A()$ for equation $A(u) = f$

Reimplemented in AMP::Solver::BiCGSTABSolver< T >, AMP::Solver::CGSolver< T >, AMP::Solver::DiagonalSolver< T >, AMP::Solver::GMRESSolver< T >, AMP::Solver::HypreSolver, AMP::Solver::PetscKrylovSolver, AMP::Solver::TFQMRSolver< T >, AMP::Solver::TrilinosMLSolver, AMP::Solver::TrilinosMueLuSolver, AMP::Solver::NonlinearKrylovAccelerator< T >, AMP::Solver::AMG::HybridGS, AMP::Solver::AMG::JacobiL1, and AMP::Solver::AMG::UASolver.

◆ registerWriter()

virtual void AMP::Solver::SolverStrategy::registerWriter ( std::shared_ptr< AMP::IO::Writer > writer )

inlinevirtualinherited

Registers a writer with the solver.

This function will register a writer with the solver. The solver may then register any vector components it "owns" with the writer.

Parameters

writer The writer to register

Definition at line 186 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_writer.

◆ reset()

virtual void AMP::Solver::SolverStrategy::reset ( std::shared_ptr< SolverStrategyParameters > parameters )

virtualinherited

Resets the solver internally with new parameters if necessary

Parameters

parameters SolverStrategyParameters object that is NULL by default

Reimplemented in AMP::Solver::TrilinosNOXSolver, AMP::Solver::BandedSolver, AMP::Solver::BoomerAMGSolver, AMP::Solver::HypreBiCGSTABSolver, AMP::Solver::HypreGMRESSolver, AMP::Solver::HyprePCGSolver, AMP::Solver::HypreSolver, AMP::Solver::TrilinosMLSolver, AMP::Solver::TrilinosMueLuSolver, AMP::Solver::CoupledFlow1DSolver, and AMP::Solver::Flow1DSolver.

◆ resetOperator()

void AMP::Solver::ColumnSolver::resetOperator ( std::shared_ptr< const AMP::Operator::OperatorParameters > params )

overridevirtual

Resets the associated operator internally with new parameters if necessary

Parameters

params OperatorParameters object that is NULL by default

Reimplemented from AMP::Solver::SolverStrategy.

◆ residual()

virtual void AMP::Solver::SolverStrategy::residual	(	std::shared_ptr< const AMP::LinearAlgebra::Vector >	f,
		std::shared_ptr< const AMP::LinearAlgebra::Vector >	u,
		std::shared_ptr< AMP::LinearAlgebra::Vector >	r
	)

virtualinherited

◆ setAbsoluteTolerance()

virtual void AMP::Solver::SolverStrategy::setAbsoluteTolerance ( AMP::Scalar abs_tol )

inlinevirtualinherited

Definition at line 210 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_dAbsoluteTolerance.

◆ setComponentScalings()

void AMP::Solver::SolverStrategy::setComponentScalings	(	std::shared_ptr< AMP::LinearAlgebra::Vector >	s,
		std::shared_ptr< AMP::LinearAlgebra::Vector >	f
	)

inlineinherited

for multiphysics problems it may be necessary to scale the solution

Definition at line 259 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_pFunctionScaling, and AMP::Solver::SolverStrategy::d_pSolutionScaling.

◆ setDebugPrintInfoLevel()

virtual void AMP::Solver::SolverStrategy::setDebugPrintInfoLevel ( int print_level )

inlinevirtualinherited

Specify level of diagnostic information printed during iterations.

Parameters

[in] print_level integer level value with permissible values 0 and higher. Setting to zero should provide minimial debugging information with higher values resulting in increasingly verbose information being printed out.

Definition at line 132 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_iDebugPrintInfoLevel.

◆ setExecutionSpace()

void AMP::Solver::SolverStrategy::setExecutionSpace ( AMP::Utilities::ExecutionSpace space )

inlineinherited

Definition at line 270 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_exec_space.

◆ setInitialGuess()

void AMP::Solver::ColumnSolver::setInitialGuess ( std::shared_ptr< AMP::LinearAlgebra::Vector > initialGuess )

overridevirtual

sets the initial guess

Parameters

[in] initialGuess shared pointer to initialGuess vector

Reimplemented from AMP::Solver::SolverStrategy.

◆ setIsNestedSolver()

void AMP::Solver::SolverStrategy::setIsNestedSolver ( bool is_nested )

inlineinherited

Tell a solver that it is nested inside some outer solver.

Definition at line 166 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_bIsNestedSolver.

◆ setMaxIterations()

virtual void AMP::Solver::SolverStrategy::setMaxIterations ( const int max_iterations )

inlinevirtualinherited

Definition at line 216 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_iMaxIterations.

◆ setNestedSolver()

virtual void AMP::Solver::SolverStrategy::setNestedSolver ( std::shared_ptr< SolverStrategy > solver )

inlinevirtualinherited

Set a nested solver, eg, Krylov for Newton, preconditioner for Krylov etc. Null op in base class

Definition at line 159 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_pNestedSolver.

◆ setRelativeTolerance()

virtual void AMP::Solver::SolverStrategy::setRelativeTolerance ( AMP::Scalar rel_tol )

inlinevirtualinherited

Definition at line 214 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_dRelativeTolerance.

◆ setZeroInitialGuess()

virtual void AMP::Solver::SolverStrategy::setZeroInitialGuess ( bool use_zero_guess )

inlinevirtualinherited

Tells the solver to use an initial guess of zero and not try to copy an initial guess into the solution vector

Parameters

[in] use_zero_guess boolean to specify whether zero initial guess should be used or not.

Reimplemented in AMP::Solver::PetscKrylovSolver.

Definition at line 150 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::d_bUseZeroInitialGuess.

◆ statusToString()

static std::string AMP::Solver::SolverStrategy::statusToString ( SolverStatus status )

inlinestaticinherited

Definition at line 75 of file SolverStrategy.h.

References AMP::Solver::SolverStrategy::ConvergedOnAbsTol, AMP::Solver::SolverStrategy::ConvergedOnRelTol, AMP::Solver::SolverStrategy::ConvergedUserCondition, AMP::Solver::SolverStrategy::DivergedFunctionCount, AMP::Solver::SolverStrategy::DivergedLineSearch, AMP::Solver::SolverStrategy::DivergedNestedSolver, AMP::Solver::SolverStrategy::DivergedOnNan, AMP::Solver::SolverStrategy::DivergedStepSize, and AMP::Solver::SolverStrategy::MaxIterations.

Referenced by AMP::Solver::SolverStrategy::getConvergenceStatusString().

◆ SymmetricGaussSeidel()

void AMP::Solver::ColumnSolver::SymmetricGaussSeidel	(	std::shared_ptr< const AMP::LinearAlgebra::Vector > &	f,
		std::shared_ptr< AMP::LinearAlgebra::Vector > &	u
	)

protected

◆ type()

std::string AMP::Solver::ColumnSolver::type ( ) const

inlineoverridevirtual

Return the name of the solver.

Implements AMP::Solver::SolverStrategy.

Definition at line 51 of file ColumnSolver.h.

Member Data Documentation

◆ d_bComputeResidual

bool AMP::Solver::SolverStrategy::d_bComputeResidual = false

protectedinherited

Definition at line 295 of file SolverStrategy.h.

◆ d_bIsNestedSolver

bool AMP::Solver::SolverStrategy::d_bIsNestedSolver = false

protectedinherited

Definition at line 294 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::setIsNestedSolver().

◆ d_bUseZeroInitialGuess

bool AMP::Solver::SolverStrategy::d_bUseZeroInitialGuess = true

protectedinherited

Definition at line 292 of file SolverStrategy.h.

Referenced by AMP::Solver::OnePointSolver::apply(), and AMP::Solver::SolverStrategy::setZeroInitialGuess().

◆ d_ConvergenceStatus

SolverStatus AMP::Solver::SolverStrategy::d_ConvergenceStatus = SolverStatus::DivergedOther

protectedinherited

Definition at line 276 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getConverged(), AMP::Solver::SolverStrategy::getConvergenceStatus(), and AMP::Solver::SolverStrategy::getConvergenceStatusString().

◆ d_dAbsoluteTolerance

AMP::Scalar AMP::Solver::SolverStrategy::d_dAbsoluteTolerance = 1.0e-14

protectedinherited

Definition at line 287 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getAbsoluteTolerance(), and AMP::Solver::SolverStrategy::setAbsoluteTolerance().

◆ d_db

std::shared_ptr<AMP::Database> AMP::Solver::SolverStrategy::d_db = nullptr

protectedinherited

Definition at line 304 of file SolverStrategy.h.

◆ d_dInitialResidual

AMP::Scalar AMP::Solver::SolverStrategy::d_dInitialResidual

protectedinherited

Definition at line 285 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getInitialResidual().

◆ d_dRelativeTolerance

AMP::Scalar AMP::Solver::SolverStrategy::d_dRelativeTolerance = 1.0e-09

protectedinherited

Definition at line 288 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getRelativeTolerance(), and AMP::Solver::SolverStrategy::setRelativeTolerance().

◆ d_dResidualNorm

AMP::Scalar AMP::Solver::SolverStrategy::d_dResidualNorm

protectedinherited

Definition at line 284 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getResidualNorm().

◆ d_exec_space

AMP::Utilities::ExecutionSpace AMP::Solver::SolverStrategy::d_exec_space = AMP::Utilities::ExecutionSpace::unspecified

protectedinherited

execution space for the solver

Definition at line 324 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getExecutionSpace(), and AMP::Solver::SolverStrategy::setExecutionSpace().

◆ d_global_db

std::shared_ptr<AMP::Database> AMP::Solver::SolverStrategy::d_global_db = nullptr

protectedinherited

Pointer to global database This is temporary fix and eventually either d_global_db or d_db should go away This is introduced to allow for solver factories to access databases in the global database for the construction of nested solvers

Definition at line 311 of file SolverStrategy.h.

◆ d_iDebugPrintInfoLevel

int AMP::Solver::SolverStrategy::d_iDebugPrintInfoLevel = 0

protectedinherited

Definition at line 290 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getDebugPrintInfoLevel(), and AMP::Solver::SolverStrategy::setDebugPrintInfoLevel().

◆ d_iInstanceId

int AMP::Solver::SolverStrategy::d_iInstanceId

staticprotectedinherited

Definition at line 299 of file SolverStrategy.h.

◆ d_iMaxIterations

int AMP::Solver::SolverStrategy::d_iMaxIterations = 0

protectedinherited

Definition at line 282 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getMaxIterations(), and AMP::Solver::SolverStrategy::setMaxIterations().

◆ d_iNumberIterations

int AMP::Solver::SolverStrategy::d_iNumberIterations = 0

protectedinherited

Definition at line 280 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getIterations().

◆ d_iObjectId

int AMP::Solver::SolverStrategy::d_iObjectId

protectedinherited

Definition at line 297 of file SolverStrategy.h.

◆ d_iterationHistory

std::vector<int> AMP::Solver::SolverStrategy::d_iterationHistory

protectedinherited

keeps track of iteration statistics over solver lifetime

Definition at line 302 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getIterationHistory().

◆ d_IterationType

std::string AMP::Solver::ColumnSolver::d_IterationType

protected

type of block iteration, valid values: GaussSeidel, SymmetricGaussSeidel

Definition at line 100 of file ColumnSolver.h.

◆ d_memory_location

AMP::Utilities::MemoryType AMP::Solver::SolverStrategy::d_memory_location = AMP::Utilities::MemoryType::none

protectedinherited

memory storage address space

Definition at line 327 of file SolverStrategy.h.

◆ d_pFunctionScaling

std::shared_ptr<AMP::LinearAlgebra::Vector> AMP::Solver::SolverStrategy::d_pFunctionScaling

protectedinherited

Definition at line 314 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getFunctionScaling(), and AMP::Solver::SolverStrategy::setComponentScalings().

◆ d_pNestedSolver

std::shared_ptr<AMP::Solver::SolverStrategy> AMP::Solver::SolverStrategy::d_pNestedSolver = nullptr

protectedinherited

nested solver used by this solver

Definition at line 319 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getNestedSolver(), and AMP::Solver::SolverStrategy::setNestedSolver().

◆ d_pOperator

std::shared_ptr<AMP::Operator::Operator> AMP::Solver::SolverStrategy::d_pOperator = nullptr

protectedinherited

Definition at line 316 of file SolverStrategy.h.

◆ d_pSolutionScaling

std::shared_ptr<AMP::LinearAlgebra::Vector> AMP::Solver::SolverStrategy::d_pSolutionScaling

protectedinherited

Definition at line 313 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::getSolutionScaling(), and AMP::Solver::SolverStrategy::setComponentScalings().

◆ d_resetColumnOperator

bool AMP::Solver::ColumnSolver::d_resetColumnOperator

protected

Definition at line 102 of file ColumnSolver.h.

Referenced by ColumnSolver().

◆ d_sName

std::string AMP::Solver::SolverStrategy::d_sName

protectedinherited

Definition at line 278 of file SolverStrategy.h.

◆ d_Solvers

std::vector<std::shared_ptr<AMP::Solver::SolverStrategy> > AMP::Solver::ColumnSolver::d_Solvers

protected

Definition at line 96 of file ColumnSolver.h.

Referenced by getNumberOfSolvers(), and getSolver().

◆ d_writer

std::shared_ptr<AMP::IO::Writer> AMP::Solver::SolverStrategy::d_writer = nullptr

protectedinherited

Definition at line 321 of file SolverStrategy.h.

Referenced by AMP::Solver::SolverStrategy::registerWriter().

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

src/solvers/ColumnSolver.h

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Member Typedef Documentation

◆ shared_ptr

Member Enumeration Documentation

◆ SolverStatus

Constructor & Destructor Documentation

◆ ColumnSolver() [1/2]

◆ ColumnSolver() [2/2]

◆ ~ColumnSolver()

Member Function Documentation

◆ append()

◆ apply()

◆ checkStoppingCriteria()

◆ createSolver()

◆ GaussSeidel()

◆ getAbsoluteTolerance()

◆ getBaseFromInput()

◆ getConverged()

◆ getConvergenceStatus()

◆ getConvergenceStatusString()

◆ getDebugPrintInfoLevel()

◆ getExecutionSpace()

◆ getFunctionScaling()

◆ getInitialResidual()

◆ getIterationHistory()

◆ getIterations()

◆ getMaxIterations()

◆ getNestedSolver()

◆ getNumberOfSolvers()

◆ getOperator()

◆ getRelativeTolerance()

◆ getResidualNorm()

◆ getSolutionScaling()

◆ getSolver()

◆ getTotalNumberOfIterations()

◆ initialize()

◆ print()

◆ printConvergenceStatus()

◆ printStatistics()

◆ registerOperator()

◆ registerWriter()

◆ reset()

◆ resetOperator()

◆ residual()

◆ setAbsoluteTolerance()

◆ setComponentScalings()

◆ setDebugPrintInfoLevel()

◆ setExecutionSpace()

◆ setInitialGuess()

◆ setIsNestedSolver()

◆ setMaxIterations()

◆ setNestedSolver()

◆ setRelativeTolerance()

◆ setZeroInitialGuess()

◆ statusToString()

◆ SymmetricGaussSeidel()

◆ type()

Member Data Documentation

◆ d_bComputeResidual

◆ d_bIsNestedSolver

◆ d_bUseZeroInitialGuess

◆ d_ConvergenceStatus

◆ d_dAbsoluteTolerance

◆ d_db

◆ d_dInitialResidual

◆ d_dRelativeTolerance

◆ d_dResidualNorm

◆ d_exec_space

◆ d_global_db

◆ d_iDebugPrintInfoLevel

◆ d_iInstanceId

◆ d_iMaxIterations

◆ d_iNumberIterations

◆ d_iObjectId