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SymmetricSquareMatrix< Type > Class Template Reference

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

#include <SymmetricSquareMatrix.H>

Inheritance diagram for SymmetricSquareMatrix< Type >:
Collaboration diagram for SymmetricSquareMatrix< Type >:

Public Member Functions

 SymmetricSquareMatrix ()=default
 Default construct.
 SymmetricSquareMatrix (const SymmetricSquareMatrix &)=default
 Copy construct.
SymmetricSquareMatrixoperator= (const SymmetricSquareMatrix &)=default
 Copy assignment.
 SymmetricSquareMatrix (const label n)
 Construct for given size (rows == cols), uninitialised content.
 SymmetricSquareMatrix (const label n, Foam::zero)
 Construct for given size (rows == cols) initializing all elements to zero.
 SymmetricSquareMatrix (const label n, const Type &val)
 Construct for given size (rows == cols) initializing all elements to the given value.
template<class AnyType>
 SymmetricSquareMatrix (const label n, const Identity< AnyType >)
 Construct for given size (rows == cols) initializing to the identity matrix.
 SymmetricSquareMatrix (Istream &is)
 Construct from Istream.
autoPtr< SymmetricSquareMatrix< Type > > clone () const
 Clone.
void operator= (Foam::zero)
 Assign all elements to zero.
void operator= (const Type &val)
 Assign all elements to value.
template<class AnyType>
void operator= (const Identity< AnyType >)
 Set to identity matrix.
Public Member Functions inherited from Matrix< SymmetricSquareMatrix< Type >, Type >
Foam::tmp< Foam::Field< Type > > AmulImpl (const ListType &x) const
Foam::tmp< Foam::Field< Type > > TmulImpl (const ListType &x) const
Foam::ConstMatrixBlock< Foam::Matrix< SymmetricSquareMatrix< Type >, Type > > block (const label rowIndex, const label colIndex) const
Foam::MatrixBlock< Foam::Matrix< SymmetricSquareMatrix< Type >, Type > > block (const label rowIndex, const label colIndex)
Foam::tmp< Foam::Field< Type > > Amul (const IndirectListBase< Type, Addr > &x) const
Foam::tmp< Foam::Field< Type > > Tmul (const IndirectListBase< Type, Addr > &x) const
constexpr Matrix () noexcept
 Default construct (empty matrix).
autoPtr< mTypeclone () const
 Clone.
 ~Matrix ()
 Destructor.
label mRows () const noexcept
 The number of rows.
label nRows () const noexcept
 The number of rows.
label m () const noexcept
 The number of rows.
label nCols () const noexcept
 The number of columns.
label n () const noexcept
 The number of columns.
bool empty () const noexcept
 Return true if Matrix is empty (i.e., size() is zero).
label size () const noexcept
 The number of elements in Matrix (m*n).
labelPair sizes () const noexcept
 Return row/column sizes.
const Type * cdata () const noexcept
 Return const pointer to the first data element, which can also be used to address into Matrix contents.
Type * data () noexcept
 Return pointer to the first data element, which can also be used to address into Matrix contents.
const char * cdata_bytes () const noexcept
 Return pointer to the underlying array serving as data storage, reinterpreted as byte data.
char * data_bytes () noexcept
 Return pointer to the underlying array serving as data storage, reinterpreted as byte data.
std::streamsize size_bytes () const noexcept
 Number of contiguous bytes for the Matrix data, no runtime check that the type is actually contiguous.
std::streamsize byteSize () const
 Number of contiguous bytes for the Matrix data, runtime FatalError if type is not contiguous.
const Type * rowData (const label irow) const
 Return const pointer to data in the specified row.
const Type & at (const label idx) const
 Linear addressing const element access.
ConstMatrixBlock< mTypesubColumn (const label colIndex, const label rowIndex=0, label len=-1) const
 Return const column or column's subset of Matrix.
ConstMatrixBlock< mTypesubRow (const label rowIndex, const label colIndex=0, label len=-1) const
 Return const row or const row's subset of Matrix.
ConstMatrixBlock< mTypesubMatrix (const label rowIndex, const label colIndex, label szRows=-1, label szCols=-1) const
 Return const sub-block of Matrix.
void checki (const label irow) const
 Check index i is within valid range [0, m).
void checkj (const label jcol) const
 Check index j is within valid range [0, n).
void checkSize () const
 Check that dimensions are positive, non-zero.
bool uniform () const
 True if all entries have identical values, and Matrix is non-empty.
void clear ()
 Clear Matrix, i.e. set sizes to zero.
List< Type > release ()
 Release storage management of Matrix contents by transferring management to a List.
void swap (Matrix< SymmetricSquareMatrix< Type >, Type > &mat)
 Swap contents.
void transfer (Matrix< SymmetricSquareMatrix< Type >, Type > &mat)
 Transfer the contents of the argument Matrix into this Matrix and annul the argument Matrix.
void resize (const label m, const label n)
 Change Matrix dimensions, preserving the elements.
void resize_nocopy (const label mrow, const label ncol)
 Change Matrix dimensions without preserving existing content.
void setSize (const label m, const label n)
 Change Matrix dimensions, preserving the elements.
void shallowResize (const label m, const label n)
 Resize Matrix without reallocating storage (unsafe).
void round (const scalar tol=SMALL)
 Round elements with magnitude smaller than tol (SMALL) to zero.
SymmetricSquareMatrix< Type > T () const
 Return conjugate transpose of Matrix.
SymmetricSquareMatrix< Type > transpose () const
 Return non-conjugate transpose of Matrix.
List< Type > diag () const
 Extract the diagonal elements. Method may change in the future.
Type trace () const
 Return the trace.
scalar columnNorm (const label colIndex, const bool noSqrt=false) const
 Return L2-Norm of chosen column.
scalar norm (const bool noSqrt=false) const
 Return Frobenius norm of Matrix.
const Type * operator[] (const label irow) const
 Return const pointer to data in the specified row - rowData().
const Type & operator() (const label irow, const label jcol) const
 (i, j) const element access operator
void operator= (const Matrix< SymmetricSquareMatrix< Type >, Type > &mat)
 Copy assignment. Takes linear time.
void operator+= (const Matrix< SymmetricSquareMatrix< Type >, Type > &other)
 Matrix addition.
void operator-= (const Matrix< SymmetricSquareMatrix< Type >, Type > &other)
 Matrix subtraction.
void operator*= (const Type &s)
 Matrix scalar multiplication.
void operator/= (const Type &s)
 Matrix scalar division.
iterator begin () noexcept
 Return an iterator to begin traversing a Matrix.
iterator end () noexcept
 Return an iterator to end traversing a Matrix.
const_iterator cbegin () const noexcept
 Return const_iterator to begin traversing a constant Matrix.
const_iterator cend () const noexcept
 Return const_iterator to end traversing a constant Matrix.
bool readMatrix (Istream &is)
 Read Matrix from Istream, discarding existing contents.
OstreamwriteMatrix (Ostream &os, const label shortLen=0) const
 Write Matrix, with line-breaks in ASCII when length exceeds shortLen.
const Type * v () const
 Deprecated(2019-04) raw data pointer, const access.
ConstMatrixBlock< mTypecol (const label m, const label mStart, const label nStart) const
 Deprecated(2019-04) - use subColumn().

Additional Inherited Members

Public Types inherited from Matrix< SymmetricSquareMatrix< Type >, Type >
typedef Matrix< SymmetricSquareMatrix< Type >, Type > mType
 Matrix type.
typedef Type cmptType
 The value type the Matrix contains.
typedef Type value_type
 The value type the Matrix contains.
typedef label size_type
 The type to represent the size of a Matrix.
typedef Type * iterator
 Random access iterator for traversing a Matrix.
typedef const Type * const_iterator
 Random access iterator for traversing a Matrix.
Static Public Member Functions inherited from Matrix< SymmetricSquareMatrix< Type >, Type >
static const Matrix< SymmetricSquareMatrix< Type >, Type > & null () noexcept
 Return a null Matrix (reference to a nullObject). Behaves like a empty Matrix.

Detailed Description

template<class Type>
class Foam::SymmetricSquareMatrix< Type >

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

See also
Test-SymmetricSquareMatrix.C
Source files

Definition at line 53 of file SymmetricSquareMatrix.H.

Constructor & Destructor Documentation

◆ SymmetricSquareMatrix() [1/7]

template<class Type>
SymmetricSquareMatrix ( )
default

Default construct.

Referenced by SymmetricSquareMatrix(), SymmetricSquareMatrix(), SymmetricSquareMatrix(), SymmetricSquareMatrix(), and SymmetricSquareMatrix().

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◆ SymmetricSquareMatrix() [2/7]

template<class Type>
SymmetricSquareMatrix ( const SymmetricSquareMatrix< Type > & )
default

Copy construct.

◆ SymmetricSquareMatrix() [3/7]

template<class Type>
SymmetricSquareMatrix ( const label n)
inlineexplicit

Construct for given size (rows == cols), uninitialised content.

Definition at line 34 of file SymmetricSquareMatrixI.H.

References Matrix< SymmetricSquareMatrix< Type >, Type >::Matrix(), Matrix< SymmetricSquareMatrix< Type >, Type >::n(), and SymmetricSquareMatrix().

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◆ SymmetricSquareMatrix() [4/7]

template<class Type>
SymmetricSquareMatrix ( const label n,
Foam::zero  )
inline

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

Definition at line 41 of file SymmetricSquareMatrixI.H.

References Matrix< SymmetricSquareMatrix< Type >, Type >::Matrix(), Matrix< SymmetricSquareMatrix< Type >, Type >::n(), and SymmetricSquareMatrix().

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◆ SymmetricSquareMatrix() [5/7]

template<class Type>
SymmetricSquareMatrix ( const label n,
const Type & val )
inline

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

Definition at line 52 of file SymmetricSquareMatrixI.H.

References Matrix< SymmetricSquareMatrix< Type >, Type >::Matrix(), Matrix< SymmetricSquareMatrix< Type >, Type >::n(), and SymmetricSquareMatrix().

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◆ SymmetricSquareMatrix() [6/7]

template<class Type>
template<class AnyType>
SymmetricSquareMatrix ( const label n,
const Identity< AnyType >  )
inline

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

Definition at line 64 of file SymmetricSquareMatrixI.H.

References Matrix< SymmetricSquareMatrix< Type >, Type >::n(), Matrix< SymmetricSquareMatrix< Type >, Type >::operator()(), and SymmetricSquareMatrix().

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◆ SymmetricSquareMatrix() [7/7]

template<class Type>
SymmetricSquareMatrix ( Istream & is)
inlineexplicit

Member Function Documentation

◆ operator=() [1/4]

template<class Type>
SymmetricSquareMatrix & operator= ( const SymmetricSquareMatrix< Type > & )
default

Copy assignment.

◆ clone()

template<class Type>
Foam::autoPtr< Foam::SymmetricSquareMatrix< Type > > clone ( ) const
inline

Clone.

Definition at line 90 of file SymmetricSquareMatrixI.H.

References Foam::New().

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◆ operator=() [2/4]

template<class Type>
void operator= ( Foam::zero )
inline

Assign all elements to zero.

Definition at line 99 of file SymmetricSquareMatrixI.H.

References Matrix< SymmetricSquareMatrix< Type >, Type >::Matrix().

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◆ operator=() [3/4]

template<class Type>
void operator= ( const Type & val)
inline

Assign all elements to value.

Definition at line 106 of file SymmetricSquareMatrixI.H.

References Matrix< SymmetricSquareMatrix< Type >, Type >::Matrix().

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◆ operator=() [4/4]

template<class Type>
template<class AnyType>
void operator= ( const Identity< AnyType > )

Set to identity matrix.

Definition at line 111 of file SymmetricSquareMatrix.C.

References Matrix< SymmetricSquareMatrix< Type >, Type >::Matrix(), n, and Matrix< SymmetricSquareMatrix< Type >, Type >::operator()().

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