Inheritance diagram for TSquareMatrix:

Collaboration diagram for TSquareMatrix:

Public Member Functions
	TSquareMatrix (TSquareStructure *structure)

	~TSquareMatrix ()

void	ResetActive ()

void	resetNonActive ()
	set zeros in nonactive rows. More...

void	ReNumbering (int *&Numbers) const

int	GetActiveBound () const

int	GetColOrder () const

void	SetStructure (TSquareStructure *structure)

TSquareStructure *	GetStructure () const

int	Write (const char *filename)

void	Print ()

Public Member Functions inherited from TMatrix
	TMatrix (TStructure *structure)

	TMatrix (TStructure structure, double Entries)

void	SetStructure (TStructure *structure)
	reset the structure, this may mean that the entries need to be reallocated

	TMatrix (int nRows, int nCols)

	~TMatrix ()

void	Reset ()

int	GetN_Rows () const

int	GetN_Columns () const

int	GetN_Entries () const

int	GetHangingN_Entries () const

int *	GetKCol () const

int *	GetHangingKCol () const

int *	GetHangingRowPtr () const

int *	GetRowPtr () const

TStructure *	GetStructure () const

double *	GetEntries () const

double	GetNorm (int p=-1) const

int	Write (const char *filename) const

void	Print (const char *name="a") const
	Print matrix into the shell.

void	PrintFull (std::string name="", int fieldWidth=4) const
	print the full matrix, including all zeros More...

void	add (int i, int j, double val)

void	add (int i, std::map< int, double > vals, double factor=1.0)

void	add (std::map< int, std::map< int, double > > vals, double factor=1.0)

void	set (int i, int j, double val)

const double &	get (int i, int j) const

double &	get (int i, int j)

void	setEntries (double *entries)

TMatrix *	GetTransposed () const
	return a new TMatrix which is the transposed of this matrix More...

void	changeRows (std::map< int, std::map< int, double > > entries, bool deleteOldArrays=false)
	replace several rows in the matrix with new entries. More...

virtual TMatrix &	operator+= (const TMatrix *A)
	add another matrix to this one More...

virtual TMatrix &	operator-= (const TMatrix *A)
	substract another matrix to this one More...

virtual TMatrix &	operator+= (const TMatrix &A)
	add another matrix to this one More...

virtual TMatrix &	operator*= (const double a)
	scale matrix by a factor

TMatrix &	operator= (const TMatrix &A)
	copy entries from A to this More...

void	multiply (const double const x, double y, double a=1.0) const
	compute y += a * A*x More...

TMatrix *	multiply (const TMatrix *const B, double a=1.0) const
	compute matrix-matrix product C = aAB, More...

void	scale (const double *const factor, bool from_left=true)
	scale a matrix using a vector More...

void	remove_zeros (double tol=0.0)
	remove all entries from sparsity structure where a zero is stored More...

double &	operator() (const int i, const int j)
	get/set a specific matrix entry More...

const double &	operator() (const int i, const int j) const
	get a specific matrix entry More...

Protected Attributes
TSquareStructure *	structure

int	HangingBound

int	ColOrder

Protected Attributes inherited from TMatrix
TStructure *	structure

double *	Entries

Constructor & Destructor Documentation

TSquareMatrix::TSquareMatrix ( TSquareStructure * structure )

generate the matrix

TSquareMatrix::~TSquareMatrix ( )

generate an empty n*n zero matrix destructor: free Entries array

Member Function Documentation

int TSquareMatrix::GetActiveBound ( ) const

inline

return ActiveBound

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int TSquareMatrix::GetColOrder ( ) const

inline

return ordering of columns

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void TSquareMatrix::Print ( )

print matrix

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void TSquareMatrix::ReNumbering ( int *& Numbers ) const

determine renumbering

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void TSquareMatrix::ResetActive ( )

reset all entries in active rows

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void TSquareMatrix::resetNonActive ( )

set zeros in nonactive rows.

This is e.g. for the off-diagonal blocks in a Stokes matrix

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int TSquareMatrix::Write ( const char * filename )

write matrix into file

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Member Data Documentation

int TSquareMatrix::ColOrder

protected

ordering of the column entries 0 - no special ordering 1 - increasing ordering (like used for umfpack) 2 - diagonal entry first, then increasing ordering

int TSquareMatrix::HangingBound

protected

bound for hanging nodes

Todo:: is this structure->HangingN_Entries ??

TSquareStructure* TSquareMatrix::structure

protected

the sparsity structure of this matrix

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

include/FE/SquareMatrix.h
src/FE/SquareMatrix.C

Public Member Functions

Protected Attributes

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation