Ipopt::PardisoSolverInterface Class Reference

Interface to the linear solver Pardiso, derived from SparseSymLinearSolverInterface. More...

#include <IpPardisoSolverInterface.hpp>

Inheritance diagram for Ipopt::PardisoSolverInterface:

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Collaboration diagram for Ipopt::PardisoSolverInterface:

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List of all members.

Public Member Functions
bool	InitializeImpl (const OptionsList &options, const std::string &prefix)
	overloaded from AlgorithmStrategyObject
Constructor/Destructor

	PardisoSolverInterface ()
	Constructor.
virtual	~PardisoSolverInterface ()
	Destructor.
Methods for requesting solution of the linear system.

virtual ESymSolverStatus	InitializeStructure (Index dim, Index nonzeros, const Index ia, const Index ja)
	Method for initializing internal stuctures.
virtual double *	GetValuesArrayPtr ()
	Method returing an internal array into which the nonzero elements are to be stored.
virtual ESymSolverStatus	MultiSolve (bool new_matrix, const Index ia, const Index ja, Index nrhs, double *rhs_vals, bool check_NegEVals, Index numberOfNegEVals)
	Solve operation for multiple right hand sides.
virtual Index	NumberOfNegEVals () const
	Number of negative eigenvalues detected during last factorization.
Private Member Functions
Default Compiler Generated Methods
(Hidden to avoid implicit creation/calling). These methods are not implemented and we do not want the compiler to implement them for us, so we declare them private and do not define them. This ensures that they will not be implicitly created/called.
	PardisoSolverInterface (const PardisoSolverInterface &)
	Copy Constructor.
void	operator= (const PardisoSolverInterface &)
	Overloaded Equals Operator.
Internal functions

ESymSolverStatus	SymbolicFactorization (const Index ia, const Index ja)
	Call Pardiso to do the analysis phase.
ESymSolverStatus	Factorization (const Index ia, const Index ja, bool check_NegEVals, Index numberOfNegEVals)
	Call Pardiso to factorize the Matrix.
ESymSolverStatus	Solve (const Index ia, const Index ja, Index nrhs, double *rhs_vals)
	Call Pardiso to do the Solve.
Private Attributes
Information about the matrix

Index	dim_
	Number of rows and columns of the matrix.
Index	nonzeros_
	Number of nonzeros of the matrix in triplet representation.
double *	a_
	Array for storing the values of the matrix.
Information about most recent factorization/solve

Index	negevals_
	Number of negative eigenvalues.
Initialization flags

bool	initialized_
	Flag indicating if internal data is initialized.
Solver specific information

void **	PT_
	Internal data address pointers.
ipfint	MAXFCT_
	Maximal number of factors with identical nonzero structure.
ipfint	MNUM_
	Actual matrix for the solution phase.
ipfint	MTYPE_
	Matrix type; real and symmetric indefinite.
ipfint *	IPARM_
	Parameter and info array for Pardiso.
ipfint	MSGLVL_
	Message level.
Some counters for debugging

Index	debug_last_iter_
Index	debug_cnt_
Solver specific options

enum	PardisoMatchingStrategy { COMPLETE, COMPLETE2x2, CONSTRAINT }
	Type for mathcing strategies. More...
PardisoMatchingStrategy	match_strat_
	Option that controls the matching strategy.
bool	have_symbolic_factorization_
	Flag indicating if symbolic factorization has already been performed.
bool	pardiso_redo_symbolic_fact_only_if_inertia_wrong_
	Flag indicating whether the symbolic factorization should only be done after perturbed elements, if the inertia was wrong.
bool	pardiso_repeated_perturbation_means_singular_
	Flag indicating whether repeated perturbed elements even after a new symbolic factorization should be interpreted as a singular matrix.
bool	skip_inertia_check_
	Flag indicating if the interia is always assumed to be correct.

virtual bool	IncreaseQuality ()
	Request to increase quality of solution for next solve.
virtual bool	ProvidesInertia () const
	Query whether inertia is computed by linear solver.
EMatrixFormat	MatrixFormat () const
	Query of requested matrix type that the linear solver understands.
static void	RegisterOptions (SmartPtr< RegisteredOptions > roptions)
	Methods for IpoptType.

Detailed Description

Interface to the linear solver Pardiso, derived from SparseSymLinearSolverInterface.

For details, see description of SparseSymLinearSolverInterface base class.

Definition at line 22 of file IpPardisoSolverInterface.hpp.

Member Enumeration Documentation

enum Ipopt::PardisoSolverInterface::PardisoMatchingStrategy [private]

Type for mathcing strategies.

Enumerator:

COMPLETE
COMPLETE2x2
CONSTRAINT

Definition at line 129 of file IpPardisoSolverInterface.hpp.

Constructor & Destructor Documentation

Ipopt::PardisoSolverInterface::PardisoSolverInterface ( )

Constructor.

virtual Ipopt::PardisoSolverInterface::~PardisoSolverInterface ( ) [virtual]

Destructor.

Ipopt::PardisoSolverInterface::PardisoSolverInterface ( const PardisoSolverInterface & ) [private]

Copy Constructor.

Member Function Documentation

bool Ipopt::PardisoSolverInterface::InitializeImpl	(	const OptionsList &	options,
		const std::string &	prefix
	)			`[virtual]`

overloaded from AlgorithmStrategyObject

Implements Ipopt::SparseSymLinearSolverInterface.

virtual ESymSolverStatus Ipopt::PardisoSolverInterface::InitializeStructure	(	Index	dim,
		Index	nonzeros,
		const Index *	ia,
		const Index *	ja
	)			`[virtual]`

Method for initializing internal stuctures.

Implements Ipopt::SparseSymLinearSolverInterface.

virtual double* Ipopt::PardisoSolverInterface::GetValuesArrayPtr ( ) [virtual]

Method returing an internal array into which the nonzero elements are to be stored.

Implements Ipopt::SparseSymLinearSolverInterface.

virtual ESymSolverStatus Ipopt::PardisoSolverInterface::MultiSolve	(	bool	new_matrix,
		const Index *	ia,
		const Index *	ja,
		Index	nrhs,
		double *	rhs_vals,
		bool	check_NegEVals,
		Index	numberOfNegEVals
	)			`[virtual]`

Solve operation for multiple right hand sides.

Implements Ipopt::SparseSymLinearSolverInterface.

virtual Index Ipopt::PardisoSolverInterface::NumberOfNegEVals ( ) const [virtual]

Number of negative eigenvalues detected during last factorization.

Implements Ipopt::SparseSymLinearSolverInterface.

virtual bool Ipopt::PardisoSolverInterface::IncreaseQuality ( ) [virtual]

Request to increase quality of solution for next solve.

Implements Ipopt::SparseSymLinearSolverInterface.

virtual bool Ipopt::PardisoSolverInterface::ProvidesInertia ( ) const [inline, virtual]

Query whether inertia is computed by linear solver.

Returns true, if linear solver provides inertia.

Implements Ipopt::SparseSymLinearSolverInterface.

Definition at line 74 of file IpPardisoSolverInterface.hpp.

EMatrixFormat Ipopt::PardisoSolverInterface::MatrixFormat ( ) const [inline, virtual]

Query of requested matrix type that the linear solver understands.

Implements Ipopt::SparseSymLinearSolverInterface.

Definition at line 81 of file IpPardisoSolverInterface.hpp.

static void Ipopt::PardisoSolverInterface::RegisterOptions ( SmartPtr< RegisteredOptions > roptions ) [static]

Methods for IpoptType.

void Ipopt::PardisoSolverInterface::operator= ( const PardisoSolverInterface & ) [private]

Overloaded Equals Operator.

Reimplemented from Ipopt::AlgorithmStrategyObject.

ESymSolverStatus Ipopt::PardisoSolverInterface::SymbolicFactorization	(	const Index *	ia,
		const Index *	ja
	)			`[private]`

Call Pardiso to do the analysis phase.

ESymSolverStatus Ipopt::PardisoSolverInterface::Factorization	(	const Index *	ia,
		const Index *	ja,
		bool	check_NegEVals,
		Index	numberOfNegEVals
	)			`[private]`