A templated (N x N) square matrix of objects of <Type>, containing N*N elements, derived from Matrix. More...

Inheritance diagram for SquareMatrix< Type >:

Collaboration diagram for SquareMatrix< Type >:

Public Member Functions
	SquareMatrix ()=default
	Default construct. More...

	SquareMatrix (const SquareMatrix &)=default
	Copy construct. More...

SquareMatrix &	operator= (const SquareMatrix &)=default
	Copy assignment. More...

	SquareMatrix (const label n)
	Construct for given size (rows == cols) More...

	SquareMatrix (const label n, const Foam::zero)

	SquareMatrix (const label n, const Type &val)

template<class AnyType >
	SquareMatrix (const label n, const Identity< AnyType >)

template<class AnyType >
	SquareMatrix (const labelPair &dims, const Identity< AnyType >)

	SquareMatrix (const labelPair &dims)

	SquareMatrix (const labelPair &dims, const Foam::zero)

	SquareMatrix (const labelPair &dims, const Type &val)

	SquareMatrix (const label m, const label n, const Foam::zero)

template<class MatrixType >
	SquareMatrix (const ConstMatrixBlock< MatrixType > &mat)
	Construct from const sub-matrix block. More...

template<class MatrixType >
	SquareMatrix (const MatrixBlock< MatrixType > &mat)
	Construct from sub-matrix block. More...

	SquareMatrix (const RectangularMatrix< Type > &mat)

	SquareMatrix (Istream &is)
	Construct from Istream. More...

autoPtr< SquareMatrix< Type > >	clone () const
	Clone. More...

void	resize (const label m)
	Resize the matrix preserving the elements. More...

void	resize (const label m, const label n)
	Resize the matrix preserving the elements (compatibility) More...

void	setSize (const label m)
	Resize the matrix preserving the elements. More...

void	shallowResize (const label m)
	Resize the matrix without reallocating storage (unsafe) More...

bool	symmetric () const
	Return true if the square matrix is effectively symmetric/Hermitian. More...

bool	tridiagonal () const
	Return true if the square matrix is reduced tridiagonal. More...

template<class CompOp >
List< label >	sortPermutation (CompOp &compare) const

void	applyPermutation (const List< label > &p)

void	operator= (const Foam::zero)
	Assign all elements to zero. More...

void	operator= (const Type &val)
	Assign all elements to value. More...

template<class AnyType >
void	operator= (const Identity< AnyType >)
	Set to identity matrix. More...

template<class CompOp >
Foam::List< Foam::label >	sortPermutation (CompOp &compare) const

Public Member Functions inherited from Matrix< SquareMatrix< Type >, Type >
Foam::tmp< Foam::Field< Type > >	AmulImpl (const ListType &x) const

Foam::tmp< Foam::Field< Type > >	TmulImpl (const ListType &x) const

	Matrix () noexcept
	Default construct (empty matrix) More...

	Matrix (const label m, const label n)
	Construct given number of rows/columns. More...

	Matrix (const label m, const label n, const Foam::zero)

	Matrix (const label m, const label n, const Type &val)

	Matrix (const labelPair &dims)
	Construct given number of rows/columns. More...

	Matrix (const labelPair &dims, const Foam::zero)

	Matrix (const labelPair &dims, const Type &val)

	Matrix (const Matrix< SquareMatrix< Type >, Type > &mat)
	Copy construct. More...

	Matrix (Matrix< SquareMatrix< Type >, Type > &&mat)
	Move construct. More...

	Matrix (const Matrix< Form2, Type > &mat)
	Copy constructor from Matrix of a different form. More...

	Matrix (const ConstMatrixBlock< MatrixType > &Mb)
	Construct from a block of another Matrix. More...

	Matrix (const MatrixBlock< MatrixType > &Mb)
	Construct from a block of another Matrix. More...

	Matrix (Istream &is)
	Construct from Istream. More...

autoPtr< mType >	clone () const
	Clone. More...

	~Matrix ()
	Destructor. More...

label	m () const noexcept
	The number of rows. More...

label	n () const noexcept
	The number of columns. More...

label	size () const
	The number of elements in Matrix (m*n) More...

labelPair	sizes () const
	Return row/column sizes. More...

bool	empty () const noexcept
	Return true if Matrix is empty (i.e., size() is zero) More...

const Type *	cdata () const noexcept

Type *	data () noexcept

const char *	cdata_bytes () const noexcept

char *	data_bytes () noexcept

std::streamsize	size_bytes () const noexcept

std::streamsize	byteSize () const

const Type *	rowData (const label irow) const
	Return const pointer to data in the specified row. More...

Type *	rowData (const label irow)
	Return pointer to data in the specified row. More...

const Type &	at (const label idx) const
	Linear addressing const element access. More...

Type &	at (const label idx)
	Linear addressing element access. More...

ConstMatrixBlock< mType >	subColumn (const label colIndex, const label rowIndex=0, label len=-1) const
	Return const column or column's subset of Matrix. More...

MatrixBlock< mType >	subColumn (const label colIndex, const label rowIndex=0, label len=-1)
	Return column or column's subset of Matrix. More...

ConstMatrixBlock< mType >	subRow (const label rowIndex, const label colIndex=0, label len=-1) const
	Return const row or const row's subset of Matrix. More...

MatrixBlock< mType >	subRow (const label rowIndex, const label colIndex=0, label len=-1)
	Return row or row's subset of Matrix. More...

ConstMatrixBlock< mType >	subMatrix (const label rowIndex, const label colIndex, label szRows=-1, label szCols=-1) const
	Return const sub-block of Matrix. More...

MatrixBlock< mType >	subMatrix (const label rowIndex, const label colIndex, label szRows=-1, label szCols=-1)
	Return sub-block of Matrix. More...

ConstMatrixBlock< mType >	block (const label rowIndex, const label colIndex) const
	Access Field as a ConstMatrixBlock. More...

MatrixBlock< mType >	block (const label rowIndex, const label colIndex)
	Access Field as a MatrixBlock. More...

ConstMatrixBlock< mType >	block (const label m, const label n, const label mStart, const label nStart) const
	Deprecated(2019-04) - use subMatrix() More...

MatrixBlock< mType >	block (const label m, const label n, const label mStart, const label nStart)
	Deprecated(2019-04) - use subMatrix() More...

Foam::ConstMatrixBlock< Foam::Matrix< SquareMatrix< Type >, Type > >	block (const label rowIndex, const label colIndex) const

Foam::MatrixBlock< Foam::Matrix< SquareMatrix< Type >, Type > >	block (const label rowIndex, const label colIndex)

void	checki (const label irow) const
	Check index i is within valid range [0, m) More...

void	checkj (const label jcol) const
	Check index j is within valid range [0, n) More...

void	checkSize () const
	Check that dimensions are positive, non-zero. More...

bool	uniform () const
	True if all entries have identical values, and Matrix is non-empty. More...

void	clear ()
	Clear Matrix, i.e. set sizes to zero. More...

List< Type >	release ()

void	swap (Matrix< SquareMatrix< Type >, Type > &mat)
	Swap contents. More...

void	transfer (Matrix< SquareMatrix< Type >, Type > &mat)

void	resize (const label m, const label n)
	Change Matrix dimensions, preserving the elements. More...

void	resize_nocopy (const label mrow, const label ncol)
	Change Matrix dimensions without preserving existing content. More...

void	setSize (const label m, const label n)
	Change Matrix dimensions, preserving the elements. More...

void	shallowResize (const label m, const label n)
	Resize Matrix without reallocating storage (unsafe) More...

void	round (const scalar tol=SMALL)
	Round elements with magnitude smaller than tol (SMALL) to zero. More...

SquareMatrix< Type >	T () const
	Return (conjugate) transpose of Matrix. More...

tmp< Field< Type > >	Amul (const UList< Type > &x) const
	Right-multiply Matrix by a column vector (A * x) More...

tmp< Field< Type > >	Amul (const IndirectListBase< Type, Addr > &x) const
	Right-multiply Matrix by a column vector (A * x) More...

Foam::tmp< Foam::Field< Type > >	Amul (const IndirectListBase< Type, Addr > &x) const

tmp< Field< Type > >	Tmul (const UList< Type > &x) const
	Left-multiply Matrix by a row vector (x * A) More...

tmp< Field< Type > >	Tmul (const IndirectListBase< Type, Addr > &x) const
	Left-multiply Matrix by a row vector (x * A) More...

Foam::tmp< Foam::Field< Type > >	Tmul (const IndirectListBase< Type, Addr > &x) const

List< Type >	diag () const
	Extract the diagonal elements. Method may change in the future. More...

void	diag (const UList< Type > &list)
	Assign diagonal of Matrix. More...

Type	trace () const
	Return the trace. More...

scalar	columnNorm (const label colIndex, const bool noSqrt=false) const
	Return L2-Norm of chosen column. More...

scalar	norm (const bool noSqrt=false) const
	Return Frobenius norm of Matrix. More...

const Type *	operator[] (const label irow) const
	Return const pointer to data in the specified row - rowData(). More...

Type *	operator[] (const label irow)
	Return pointer to data in the specified row - rowData(). More...

const Type &	operator() (const label irow, const label jcol) const
	(i, j) const element access operator More...

Type &	operator() (const label irow, const label jcol)
	(i, j) element access operator More...

void	operator= (const Matrix< SquareMatrix< Type >, Type > &mat)
	Copy assignment. Takes linear time. More...

void	operator= (Matrix< SquareMatrix< Type >, Type > &&mat)
	Move assignment. More...

void	operator= (const ConstMatrixBlock< MatrixType > &Mb)
	Assignment to a block of another Matrix. More...

void	operator= (const MatrixBlock< MatrixType > &Mb)
	Assignment to a block of another Matrix. More...

void	operator= (const Foam::zero)
	Assignment of all elements to zero. More...

void	operator= (const Type &val)
	Assignment of all elements to the given value. More...

void	operator+= (const Matrix< SquareMatrix< Type >, Type > &other)
	Matrix addition. More...

void	operator+= (const Type &s)
	Matrix scalar addition. More...

void	operator-= (const Matrix< SquareMatrix< Type >, Type > &other)
	Matrix subtraction. More...

void	operator-= (const Type &s)
	Matrix scalar subtraction. More...

void	operator*= (const Type &s)
	Matrix scalar multiplication. More...

void	operator/= (const Type &s)
	Matrix scalar division. More...

iterator	begin () noexcept
	Return an iterator to begin traversing a Matrix. More...

const_iterator	begin () const noexcept
	Return const_iterator to begin traversing a constant Matrix. More...

iterator	end () noexcept
	Return an iterator to end traversing a Matrix. More...

const_iterator	end () const noexcept
	Return const_iterator to end traversing a constant Matrix. More...

const_iterator	cbegin () const noexcept
	Return const_iterator to begin traversing a constant Matrix. More...

const_iterator	cend () const noexcept
	Return const_iterator to end traversing a constant Matrix. More...

bool	readMatrix (Istream &is)
	Read Matrix from Istream, discarding existing contents. More...

Ostream &	writeMatrix (Ostream &os, const label shortLen=0) const

label	mRows () const noexcept
	The number of rows - same as m() More...

label	nRows () const noexcept
	The number of rows - same as m() More...

label	nCols () const noexcept
	The number of columns - same as n() More...

const Type *	v () const
	Deprecated(2019-04) raw data pointer, const access. More...

Type *	v ()
	Deprecated(2019-04) raw data pointer, non-const access. More...

ConstMatrixBlock< mType >	col (const label m, const label mStart, const label nStart) const
	Deprecated(2019-04) - use subColumn() More...

MatrixBlock< mType >	col (const label m, const label mStart, const label nStart)
	Deprecated(2019-04) - use subColumn() More...

void	col (const label m, const label rowStart) const=delete
	Deleted(2019-04) - use subColumn() More...

void	col (const label m, const label rowStart)=delete
	Deleted(2019-04) - use subColumn() More...

Additional Inherited Members
Public Types inherited from Matrix< SquareMatrix< Type >, Type >
typedef Matrix< SquareMatrix< Type >, Type >	mType
	Matrix type. More...

typedef Type	cmptType
	Component type. More...

typedef Type *	iterator
	Random access iterator for traversing a Matrix. More...

Static Public Member Functions inherited from Matrix< SquareMatrix< Type >, Type >
static const Matrix< SquareMatrix< Type >, Type > &	null ()
	Return a null Matrix. More...

Public Attributes inherited from Matrix< SquareMatrix< Type >, Type >
const typedef Type *	const_iterator
	Random access iterator for traversing a Matrix. More...

Detailed Description

template<class Type>
class Foam::SquareMatrix< Type >

A templated (N x N) square matrix of objects of <Type>, containing N*N elements, derived from Matrix.

See also: Test-SquareMatrix.C

Source files

Definition at line 63 of file SquareMatrix.H.

Constructor & Destructor Documentation

◆ SquareMatrix() [1/15]

SquareMatrix ( )

default

Default construct.

◆ SquareMatrix() [2/15]

SquareMatrix ( const SquareMatrix< Type > & )

default

Copy construct.

◆ SquareMatrix() [3/15]

SquareMatrix ( const label n )

inlineexplicit

Construct for given size (rows == cols)

Definition at line 41 of file SquareMatrixI.H.

◆ SquareMatrix() [4/15]

SquareMatrix	(	const label	n,
		const Foam::zero
	)

inline

Construct for given size (rows == cols) initializing all elements to zero

Definition at line 49 of file SquareMatrixI.H.

◆ SquareMatrix() [5/15]

SquareMatrix	(	const label	n,
		const Type &	val
	)

inline

Construct for given size (rows == cols) initializing all elements to the given value

Definition at line 60 of file SquareMatrixI.H.

◆ SquareMatrix() [6/15]

SquareMatrix	(	const label	n,
		const Identity< AnyType >
	)

inline

Construct for given size (rows == cols) initializing to the identity matrix

Definition at line 72 of file SquareMatrixI.H.

◆ SquareMatrix() [7/15]

SquareMatrix	(	const labelPair &	dims,
		const Identity< AnyType >
	)

inline

Construct for given size (rows == cols) by using a labelPair initializing to the identity matrix

Definition at line 89 of file SquareMatrixI.H.

◆ SquareMatrix() [8/15]

SquareMatrix ( const labelPair & dims )

inlineexplicit

Construct given number of rows/columns by using a labelPair (checked to be equal)

For constructor consistency in rectangular matrices

Definition at line 107 of file SquareMatrixI.H.

◆ SquareMatrix() [9/15]

SquareMatrix	(	const labelPair &	dims,
		const Foam::zero
	)

inline

Construct given number of rows/columns by using a labelPair (checked to be equal) and initializing all elements to zero

For constructor consistency with rectangular matrices

Definition at line 119 of file SquareMatrixI.H.

◆ SquareMatrix() [10/15]

SquareMatrix	(	const labelPair &	dims,
		const Type &	val
	)

inline

Construct given number of rows/columns by using a labelPair (checked to be equal) and initializing all elements to the given value

For constructor consistency with rectangular matrices

Definition at line 132 of file SquareMatrixI.H.

◆ SquareMatrix() [11/15]

SquareMatrix	(	const label	m,
		const label	n,
		const Foam::zero
	)

inline

Construct given number of rows/columns (checked to be equal) initializing all elements to zero

Definition at line 145 of file SquareMatrixI.H.

◆ SquareMatrix() [12/15]

SquareMatrix ( const ConstMatrixBlock< MatrixType > & mat )

inline

Construct from const sub-matrix block.

Definition at line 160 of file SquareMatrixI.H.

◆ SquareMatrix() [13/15]

SquareMatrix ( const MatrixBlock< MatrixType > & mat )

inline

Construct from sub-matrix block.

Definition at line 173 of file SquareMatrixI.H.

◆ SquareMatrix() [14/15]

SquareMatrix ( const RectangularMatrix< Type > & mat )

inlineexplicit

Construct as copy of a RectangularMatrix which is checked to be square

Definition at line 185 of file SquareMatrixI.H.

◆ SquareMatrix() [15/15]

SquareMatrix ( Istream & is )

inlineexplicit

Construct from Istream.

Definition at line 196 of file SquareMatrixI.H.

Member Function Documentation

◆ operator=() [1/4]

SquareMatrix& operator= ( const SquareMatrix< Type > & )

default

Copy assignment.

◆ clone()

Foam::autoPtr< Foam::SquareMatrix< Type > > clone ( ) const

inline

Clone.

Definition at line 206 of file SquareMatrixI.H.

◆ resize() [1/2]

void resize ( const label m )

inline

Resize the matrix preserving the elements.

Definition at line 215 of file SquareMatrixI.H.

◆ resize() [2/2]

void resize	(	const label	m,
		const label	n
	)

inline

Resize the matrix preserving the elements (compatibility)

Definition at line 222 of file SquareMatrixI.H.

◆ setSize()

void setSize ( const label m )

inline

Resize the matrix preserving the elements.

Definition at line 235 of file SquareMatrixI.H.

◆ shallowResize()

void shallowResize ( const label m )

inline

Resize the matrix without reallocating storage (unsafe)

Definition at line 242 of file SquareMatrixI.H.

Referenced by ODESolver::resizeMatrix().

Here is the caller graph for this function:

◆ symmetric()

bool symmetric ( ) const

inline

Return true if the square matrix is effectively symmetric/Hermitian.

Definition at line 249 of file SquareMatrixI.H.

◆ tridiagonal()

bool tridiagonal ( ) const

inline

Return true if the square matrix is reduced tridiagonal.

Definition at line 266 of file SquareMatrixI.H.

◆ sortPermutation() [1/2]

List<label> sortPermutation ( CompOp & compare ) const

Return a sort permutation labelList according to a given comparison on the diagonal entries

◆ applyPermutation()

void applyPermutation ( const List< label > & p )

Column-reorder this Matrix according to a given permutation labelList

Definition at line 56 of file SquareMatrix.C.

◆ operator=() [2/4]

void operator= ( const Foam::zero )

inline

Assign all elements to zero.

Definition at line 294 of file SquareMatrixI.H.

◆ operator=() [3/4]

void operator= ( const Type & val )

inline

Assign all elements to value.

Definition at line 301 of file SquareMatrixI.H.

◆ operator=() [4/4]

void operator= ( const Identity< AnyType > )

Set to identity matrix.

Definition at line 86 of file SquareMatrix.C.

◆ sortPermutation() [2/2]

Foam::List<Foam::label> sortPermutation ( CompOp & compare ) const

Definition at line 38 of file SquareMatrix.C.

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

src/OpenFOAM/matrices/SquareMatrix/SquareMatrix.H
src/OpenFOAM/matrices/SquareMatrix/SquareMatrix.C
src/OpenFOAM/matrices/SquareMatrix/SquareMatrixI.H

Public Member Functions

Additional Inherited Members

Detailed Description

template<class Type> class Foam::SquareMatrix< Type >

Constructor & Destructor Documentation

◆ SquareMatrix() [1/15]

◆ SquareMatrix() [2/15]

◆ SquareMatrix() [3/15]

◆ SquareMatrix() [4/15]

◆ SquareMatrix() [5/15]

◆ SquareMatrix() [6/15]

◆ SquareMatrix() [7/15]

◆ SquareMatrix() [8/15]

◆ SquareMatrix() [9/15]

◆ SquareMatrix() [10/15]

◆ SquareMatrix() [11/15]

◆ SquareMatrix() [12/15]

◆ SquareMatrix() [13/15]

◆ SquareMatrix() [14/15]

◆ SquareMatrix() [15/15]

Member Function Documentation

◆ operator=() [1/4]

◆ clone()

◆ resize() [1/2]

◆ resize() [2/2]

◆ setSize()

◆ shallowResize()

◆ symmetric()

◆ tridiagonal()

◆ sortPermutation() [1/2]

◆ applyPermutation()

◆ operator=() [2/4]

◆ operator=() [3/4]

◆ operator=() [4/4]

◆ sortPermutation() [2/2]

template<class Type>
class Foam::SquareMatrix< Type >