Class for Matrices with only zero entries. More...

#include <IpZeroMatrix.hpp>

Inheritance diagram for Ipopt::ZeroMatrix:

Public Member Functions
Constructors / Destructors
	ZeroMatrix (const MatrixSpace *owner_space)
	Constructor, taking the corresponding matrix space.

	~ZeroMatrix ()
	Destructor.

Public Member Functions inherited from Ipopt::Matrix
bool	HasValidNumbers () const
	Method for determining if all stored numbers are valid (i.e., no Inf or Nan).

SmartPtr< const MatrixSpace >	OwnerSpace () const
	Return the owner MatrixSpace.

	Matrix (const MatrixSpace *owner_space)
	Constructor.

virtual	~Matrix ()
	Destructor.

void	MultVector (Number alpha, const Vector &x, Number beta, Vector &y) const
	Matrix-vector multiply.

void	TransMultVector (Number alpha, const Vector &x, Number beta, Vector &y) const
	Matrix(transpose) vector multiply.

void	AddMSinvZ (Number alpha, const Vector &S, const Vector &Z, Vector &X) const
	X = X + alpha*(Matrix S^{-1} Z).

void	SinvBlrmZMTdBr (Number alpha, const Vector &S, const Vector &R, const Vector &Z, const Vector &D, Vector &X) const
	X = S^{-1} (r + alphaZM^Td).

Index	NRows () const
	Number of rows.

Index	NCols () const
	Number of columns.

void	ComputeRowAMax (Vector &rows_norms, bool init=true) const
	Compute the max-norm of the rows in the matrix.

void	ComputeColAMax (Vector &cols_norms, bool init=true) const
	Compute the max-norm of the columns in the matrix.

virtual void	Print (SmartPtr< const Journalist > jnlst, EJournalLevel level, EJournalCategory category, const std::string &name, Index indent=0, const std::string &prefix="") const
	Print detailed information about the matrix.

virtual void	Print (const Journalist &jnlst, EJournalLevel level, EJournalCategory category, const std::string &name, Index indent=0, const std::string &prefix="") const

Public Member Functions inherited from Ipopt::TaggedObject
	TaggedObject ()
	Constructor.

virtual	~TaggedObject ()
	Destructor.

Tag	GetTag () const
	Users of TaggedObjects call this to update their own internal tags every time they perform the expensive operation.

bool	HasChanged (const Tag comparison_tag) const
	Users of TaggedObjects call this to check if the object HasChanged since they last updated their own internal tag.

Public Member Functions inherited from Ipopt::ReferencedObject
	ReferencedObject ()

virtual	~ReferencedObject ()

Index	ReferenceCount () const

void	AddRef (const Referencer *referencer) const

void	ReleaseRef (const Referencer *referencer) const

Public Member Functions inherited from Ipopt::Subject
	Subject ()
	Default Constructor.

virtual	~Subject ()
	Destructor.

void	AttachObserver (Observer::NotifyType notify_type, Observer *observer) const
	Attach the specified observer (i.e., begin receiving notifications).

void	DetachObserver (Observer::NotifyType notify_type, Observer *observer) const
	Detach the specified observer (i.e., no longer receive notifications).

Protected Member Functions
Methods overloaded from matrix
virtual void	MultVectorImpl (Number alpha, const Vector &x, Number beta, Vector &y) const
	Matrix-vector multiply.

virtual void	TransMultVectorImpl (Number alpha, const Vector &x, Number beta, Vector &y) const
	Matrix(transpose) vector multiply.

virtual void	ComputeRowAMaxImpl (Vector &, bool) const
	Compute the max-norm of the rows in the matrix.

virtual void	ComputeColAMaxImpl (Vector &, bool) const
	Compute the max-norm of the columns in the matrix.

virtual void	PrintImpl (const Journalist &jnlst, EJournalLevel level, EJournalCategory category, const std::string &name, Index indent, const std::string &prefix) const
	Print detailed information about the matrix.

Protected Member Functions inherited from Ipopt::Matrix
virtual void	AddMSinvZImpl (Number alpha, const Vector &S, const Vector &Z, Vector &X) const
	X = X + alpha*(Matrix S^{-1} Z).

virtual void	SinvBlrmZMTdBrImpl (Number alpha, const Vector &S, const Vector &R, const Vector &Z, const Vector &D, Vector &X) const
	X = S^{-1} (r + alphaZM^Td).

virtual bool	HasValidNumbersImpl () const
	Method for determining if all stored numbers are valid (i.e., no Inf or Nan).

Protected Member Functions inherited from Ipopt::TaggedObject
void	ObjectChanged ()
	Objects derived from TaggedObject MUST call this method every time their internal state changes to update the internal tag for comparison.

Protected Member Functions inherited from Ipopt::Subject
void	Notify (Observer::NotifyType notify_type) const

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.
	ZeroMatrix ()
	Default Constructor.

	ZeroMatrix (const ZeroMatrix &)
	Copy Constructor.

void	operator= (const ZeroMatrix &)
	Default Assignment Operator.

Additional Inherited Members
Public Types inherited from Ipopt::TaggedObject
typedef unsigned int	Tag
	Type for the Tag values.

Detailed Description

Class for Matrices with only zero entries.

Definition at line 18 of file IpZeroMatrix.hpp.

Constructor & Destructor Documentation

◆ ZeroMatrix() [1/3]

Ipopt::ZeroMatrix::ZeroMatrix ( const MatrixSpace * owner_space )

Constructor, taking the corresponding matrix space.

◆ ~ZeroMatrix()

Ipopt::ZeroMatrix::~ZeroMatrix ( )

Destructor.

◆ ZeroMatrix() [2/3]

Ipopt::ZeroMatrix::ZeroMatrix ( )

private

Default Constructor.

◆ ZeroMatrix() [3/3]

Ipopt::ZeroMatrix::ZeroMatrix ( const ZeroMatrix & )

private

Copy Constructor.

Member Function Documentation

◆ MultVectorImpl()

virtual void Ipopt::ZeroMatrix::MultVectorImpl	(	Number	alpha,
		const Vector &	x,
		Number	beta,
		Vector &	y
	)		const

protectedvirtual

Matrix-vector multiply.

Computes y = alpha * Matrix * x + beta * y.

Implements Ipopt::Matrix.

◆ TransMultVectorImpl()

virtual void Ipopt::ZeroMatrix::TransMultVectorImpl	(	Number	alpha,
		const Vector &	x,
		Number	beta,
		Vector &	y
	)		const

protectedvirtual

Matrix(transpose) vector multiply.

Computes y = alpha * Matrix^T * x + beta * y.

Implements Ipopt::Matrix.

◆ ComputeRowAMaxImpl()

virtual void Ipopt::ZeroMatrix::ComputeRowAMaxImpl	(	Vector &	rows_norms,
		bool	init
	)		const

inlineprotectedvirtual

Compute the max-norm of the rows in the matrix.

The result is stored in rows_norms. The vector is assumed to be initialized if init is false.

Implements Ipopt::Matrix.

Definition at line 49 of file IpZeroMatrix.hpp.

◆ ComputeColAMaxImpl()

virtual void Ipopt::ZeroMatrix::ComputeColAMaxImpl	(	Vector &	cols_norms,
		bool	init
	)		const

inlineprotectedvirtual

Compute the max-norm of the columns in the matrix.

The result is stored in cols_norms. The vector is assumed to be initialized if init is false.

Implements Ipopt::Matrix.

Definition at line 55 of file IpZeroMatrix.hpp.

◆ PrintImpl()

virtual void Ipopt::ZeroMatrix::PrintImpl	(	const Journalist &	jnlst,
		EJournalLevel	level,
		EJournalCategory	category,
		const std::string &	name,
		Index	indent,
		const std::string &	prefix
	)		const

protectedvirtual

Print detailed information about the matrix.

Implements Ipopt::Matrix.

◆ operator=()

void Ipopt::ZeroMatrix::operator= ( const ZeroMatrix & )

private

Default Assignment Operator.

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

src/LinAlg/IpZeroMatrix.hpp

Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ZeroMatrix() [1/3]

◆ ~ZeroMatrix()

◆ ZeroMatrix() [2/3]

◆ ZeroMatrix() [3/3]

Member Function Documentation

◆ MultVectorImpl()

◆ TransMultVectorImpl()

◆ ComputeRowAMaxImpl()

◆ ComputeColAMaxImpl()

◆ PrintImpl()

◆ operator=()