Responsible for the frontal method as a whole. Frontal. More...

#include <TPZFrontMatrix.h>

Inheritance diagram for TPZFrontMatrix< TVar, store, front >:

Collaboration diagram for TPZFrontMatrix< TVar, store, front >:

Public Member Functions
int	Work ()

void	FinishWriting ()
	Finishes writing of a binary file and closes it. More...

void	ReOpen ()
	Reopen the binary file. More...

virtual int	Zero () override
	Reinitialize the structure of the frontal matrix. More...

void	AllocData ()
	Allocates data for the FrontMatrix. More...

TPZFront< TVar > &	GetFront () override
	returns a pointer to the front matrix More...

void	CheckCompress ()
	Checks if FrontMatrix needs a compression, if so calls Compress method. More...

void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form=EFormatted) const override
	Prints a FrontMatrix object. More...

	~TPZFrontMatrix ()
	Simple Destructor. More...

int	ClassId () const override
	Define the class id associated with the class. More...

	TPZFrontMatrix ()
	Simple Constructor. More...

	TPZFrontMatrix (int64_t globalsize)
	Constructor with a globalsize parameter. More...

	TPZFrontMatrix (const TPZFrontMatrix &cp)

virtual TPZMatrix< TVar > *	Clone () const override

void	EquationsToDecompose (TPZVec< int64_t > &destinationindex, int64_t &lower_eq, int64_t &upper_eq)
	Sends a message to decompose equations from lower_eq to upper_eq, according to destination index. More...

void	SetNumElConnected (TPZVec< int > &numelconnected)
	Initializes the number of elements connected to each equation. More...

virtual void	AddKel (TPZFMatrix< TVar > &elmat, TPZVec< int64_t > &destinationindex) override
	Add a contribution of a stiffness matrix putting it on destination indexes position. More...

void	SymbolicAddKel (TPZVec< int64_t > &destinationindex)
	Add a contribution of a stiffness matrix using the indexes to compute the frontwidth. It does it symbolicaly. More...

virtual void	AddKel (TPZFMatrix< TVar > &elmat, TPZVec< int64_t > &sourceindex, TPZVec< int64_t > &destinationindex) override
	Add a contribution of a stiffness matrix. More...

virtual int	SolveDirect (TPZFMatrix< TVar > &B, const DecomposeType dt, std::list< int64_t > &singular) override
	Solves the linear system using Direct methods. More...

int	Subst_Forward (TPZFMatrix< TVar > *b) const override
	Forward substitution and result is on b. More...

int	Subst_Backward (TPZFMatrix< TVar > *b) const override
	Backward substitution and result is on b. More...

int	Substitution (TPZFMatrix< TVar > *) const override
	Executes a substitution on a TPZFMatrix<REAL> object applies both forward and backward substitution automaticaly. More...

void	SetFileName (char option, const char *name)
	Sets a file name for generic input or output. More...

Public Member Functions inherited from TPZAbstractFrontMatrix< TVar >
	TPZAbstractFrontMatrix ()

	TPZAbstractFrontMatrix (int64_t ieq, int64_t jeq)

Public Member Functions inherited from TPZMatrix< TVar >
	TPZMatrix ()
	Simple constructor. More...

	TPZMatrix (const TPZMatrix< TVar > &cp)

virtual	~TPZMatrix ()
	Simple destructor. More...

virtual int64_t	MemoryFootprint () const
	Returns the approximate size of the memory footprint (amount of memory required to store this object). More...

template<class TVar2 >
void	CopyFrom (TPZMatrix< TVar2 > &copy)

void	AutoFill (int64_t nrow, int64_t ncol, int symmetric)
	Fill matrix storage with randomic values. More...

virtual int	VerifySymmetry (REAL tol=1.e-13) const
	Checks if current matrix value is symmetric. More...

virtual int	Put (const int64_t row, const int64_t col, const TVar &value)
	Put values with bounds checking if DEBUG variable is defined. More...

virtual const TVar &	Get (const int64_t row, const int64_t col) const
	Get value with bound checking. More...

const TVar &	g (const int64_t row, const int64_t col) const
	Substitution for the () operator when const arguments are needed. More...

TVar &	operator() (const int64_t row, const int64_t col)
	The operators check on the bounds if the DEBUG variable is defined. More...

virtual TVar &	s (const int64_t row, const int64_t col)
	The operators check on the bounds if the DEBUG variable is defined. More...

TVar &	operator() (const int64_t row)
	The operators check on the bounds if the DEBUG variable is defined. More...

virtual int	PutVal (const int64_t, const int64_t, const TVar &val)
	Put values without bounds checking This method is faster than "Put" if DEBUG is defined. More...

virtual const TVar &	GetVal (const int64_t, const int64_t) const
	Get values without bounds checking This method is faster than "Get" if DEBUG is defined. More...

void	SetIsDecomposed (int val)
	Sets current matrix to decomposed state. More...

virtual bool	Compare (TPZSavable *copy, bool override=false) override
	Compare the object for identity with the object pointed to, eventually copy the object. More...

virtual bool	Compare (TPZSavable *copy, bool override=false) const override
	Compare the object for identity with the object pointed to, eventually copy the object. More...

virtual void	GetSub (const TPZVec< int64_t > &indices, TPZFMatrix< TVar > &block) const
	Extract the block indicated by the indices from the matrix. More...

bool	CompareValues (TPZMatrix< TVar > &M, TVar tol)
	Compare values of this to B, with a precision tolerance tol. More...

template<>
void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form) const

template<>
void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form) const

template<>
void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form) const

template<>
void	SolveCG (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveCG (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveCG (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveGMRES (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, TPZFMatrix< std::complex< float > > &H, int &numvectors, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveGMRES (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, TPZFMatrix< std::complex< double > > &H, int &numvectors, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveGMRES (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, TPZFMatrix< std::complex< long double > > &H, int &numvectors, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveBICG (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, REAL &tol)

template<>
void	SolveBICG (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, REAL &tol)

template<>
void	SolveBICG (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, REAL &tol)

template<>
void	SolveBICGStab (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveBICGStab (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveBICGStab (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveIR (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveIR (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveIR (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< std::complex< float > > *Sort)

template<>
bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< std::complex< double > > *Sort)

template<>
bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< std::complex< long double > > *Sort)

virtual void	Multiply (const TPZFMatrix< TVar > &A, TPZFMatrix< TVar > &res, int opt=0) const
	It mutiplies itself by TPZMatrix<TVar>A putting the result in res. More...

virtual void	Add (const TPZMatrix< TVar > &A, TPZMatrix< TVar > &res) const
	It adds itself to TPZMatrix<TVar>A putting the result in res. More...

virtual void	MultAdd (const TPZFMatrix< TVar > &x, const TPZFMatrix< TVar > &y, TPZFMatrix< TVar > &z, const TVar alpha=1., const TVar beta=0., const int opt=0) const
	It computes z = beta * y + alpha * opt(this)*x but z and x can not overlap in memory. More...

virtual void	Residual (const TPZFMatrix< TVar > &x, const TPZFMatrix< TVar > &rhs, TPZFMatrix< TVar > &res)
	Computes res = rhs - this * x. More...

virtual void	Substract (const TPZMatrix< TVar > &A, TPZMatrix< TVar > &result) const
	It substracts A from storing the result in result. More...

virtual void	Identity ()
	Converts the matrix in an identity matrix. More...

virtual void	Transpose (TPZMatrix< TVar > *const T) const
	It makes *T the transpose of current matrix. More...

int	Inverse (TPZFMatrix< TVar > &Inv, DecomposeType dec)
	It makes Inv =[this]. IMPORTANT OBSERVATION –> The original matrix (calling object) no is more equal. It containts the some decomposition (LU or Cholesky or ...) More...

TVar	MatrixNorm (int p, int64_t numiter=2000000, REAL tol=1.e-10) const
	Computes the matrix norm of this. More...

TVar	ConditionNumber (int p, int64_t numiter=2000000, REAL tol=1.e-10)
	Computes the matrix condition number of this. More...

virtual int	PutSub (const int64_t sRow, const int64_t sCol, const TPZFMatrix< TVar > &Source)
	It puts submatrix Source on actual matrix structure. More...

virtual int	GetSub (const int64_t sRow, const int64_t sCol, const int64_t rowSize, const int64_t colSize, TPZFMatrix< TVar > &Target) const
	Gets submatrix storing it on Target. More...

virtual int	AddSub (const int64_t sRow, const int64_t sCol, const TPZFMatrix< TVar > &Source)
	It adds Source matrix on current matrix from position (sRow, sCol) More...

virtual int	InsertSub (const int64_t sRow, const int64_t sCol, const int64_t rowSize, const int64_t colSize, const int64_t pRow, const int64_t pCol, TPZMatrix< TVar > *Target) const
	Inserts a submatrix from current object on matrix *Target with no redimentioning. More...

virtual int	AddSub (const int64_t sRow, const int64_t sCol, const int64_t rowSize, const int64_t colSize, const int64_t pRow, const int64_t pCol, TPZMatrix< TVar > *pA) const
	Adds a submatrix from current object in *Target. More...

virtual void	UpdateFrom (TPZAutoPointer< TPZMatrix< TVar > >)
	Updates the values of the matrix based on the values of the matrix. More...

virtual int	IsSimetric () const
	Checks if the current matrix is symmetric. More...

int	IsSquare () const
	Checks if current matrix is square. More...

virtual void	Simetrize ()
	Simetrizes copies upper plan to the lower plan, making its data simetric. More...

virtual int	IsDefPositive () const
	Checks if current matrix is definite positive. More...

int	IsDecomposed () const
	Checks if current matrix is already decomposed. More...

virtual int	Decompose_LU (std::list< int64_t > &singular)
	Decomposes the current matrix using LU decomposition. More...

virtual int	Decompose_LU ()

virtual int	Decompose_Cholesky ()
	Decomposes the current matrix using Cholesky method. The current matrix has to be symmetric. More...

virtual int	Decompose_Cholesky (std::list< int64_t > &singular)
	Decomposes the current matrix using Cholesky method. More...

virtual int	Decompose_LDLt (std::list< int64_t > &singular)
	Decomposes the current matrix using LDLt. The current matrix has to be symmetric. "L" is lower triangular with 1.0 in its diagonal and "D" is a Diagonal matrix. More...

virtual int	Decompose_LDLt ()
	Decomposes the current matrix using LDLt. More...

virtual int	Subst_LForward (TPZFMatrix< TVar > *b) const
	Computes B = Y, where A*Y = B, A is lower triangular with A(i,i)=1. More...

virtual int	Subst_LBackward (TPZFMatrix< TVar > *b) const
	Computes B = Y, where A*Y = B, A is upper triangular with A(i,i)=1. More...

virtual int	Subst_Diag (TPZFMatrix< TVar > *b) const
	Computes B = Y, where A*Y = B, A is diagonal matrix. More...

int	ClassId () const override
	Define the class id associated with the class. More...

void	Read (TPZStream &buf, void *context) override
	Unpacks the object structure from a stream of bytes. More...

void	Write (TPZStream &buf, int withclassid) const override
	Packs the object structure in a stream of bytes. More...

virtual void	Input (std::istream &in=std::cin)
	Input operation. More...

virtual void	Print (std::ostream &out) const

int64_t	Rows () const
	Returns number of rows. More...

int64_t	Cols () const
	Returns number of cols. More...

virtual int64_t	Dim () const
	Returns the dimension of the matrix if the matrix is square. More...

virtual int	Resize (const int64_t newRows, const int64_t newCols)
	Redimensions a matriz keeping the previous values. More...

virtual int	Redim (const int64_t newRows, const int64_t newCols)
	Redimensions the matrix reinitializing it with zero. More...

virtual void	SolveJacobi (int64_t &numiterations, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, TPZFMatrix< TVar > &scratch, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Jacobi method. . More...

virtual void	SolveSOR (int64_t &numiterations, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, TPZFMatrix< TVar > &scratch, const REAL overrelax, REAL &tol, const int FromCurrent=0, const int direction=1)
	Solves the linear system using Successive Over Relaxation method (Gauss Seidel). . More...

virtual void	SolveSSOR (int64_t &numiterations, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, TPZFMatrix< TVar > &scratch, const REAL overrelax, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Symmetric Successive Over Relaxation method (Gauss Seidel). . More...

virtual void	SolveCG (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Conjugate Gradient method. . More...

virtual void	SolveBICG (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, REAL &tol)
	Solves the linear system using Bi-Conjugate Gradient method. . More...

virtual void	SolveBICGStab (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Bi-Conjugate Gradient stabilized method. . More...

virtual void	SolveGMRES (int64_t &numiterations, TPZSolver< TVar > &preconditioner, TPZFMatrix< TVar > &H, int &numvectors, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent)
	Solves the linear system using Generalized Minimal Residual (GMRES) method. . More...

virtual void	SolveIR (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent=0)
	Solves the linear system using IR method. . More...

virtual bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< TVar > *Sort=0)
	Transforms this matrix in a diagonal matrix, where the diagonal values are its eigenvalues. This method is efficient only for small matrices. More...

virtual bool	SolveEigensystemJacobi (int64_t &numiterations, REAL &tol, TPZVec< TVar > &Eigenvalues, TPZFMatrix< TVar > &Eigenvectors) const
	Compute Eigenvalues and Eigenvectors of this matrix. This method is efficient only for small matrices. More...

virtual int	SolveDirect (TPZFMatrix< TVar > &F, const DecomposeType dt)
	Solves the linear system using Direct methods. More...

virtual int	Decompose (const DecomposeType dt, std::list< int64_t > &singular)
	decompose the system of equations acording to the decomposition scheme More...

int	Solve_LU (TPZFMatrix< TVar > *B, std::list< int64_t > &singular)
	Solves the linear system using LU method . More...

int	Solve_LU (TPZFMatrix< TVar > *B)
	Solves the linear system using LU method . More...

virtual int	Solve_Cholesky (TPZFMatrix< TVar > *B)
	Solves the linear system using Cholesky method . More...

int	Solve_Cholesky (TPZFMatrix< TVar > *B, std::list< int64_t > &singular)
	Solves the linear system using Cholesky method . More...

int	Solve_LDLt (TPZFMatrix< TVar > *B, std::list< int64_t > &singular)
	Solves the linear system using LDLt method . More...

int	Solve_LDLt (TPZFMatrix< TVar > *B)
	Solves the linear system using LDLt method . More...

Public Member Functions inherited from TPZSavable
	TPZSavable ()

virtual	~TPZSavable ()

virtual std::list< std::map< std::string, uint64_t > >	VersionHistory () const

virtual std::pair< std::string, uint64_t >	Version () const

Public Member Functions inherited from TPZRegisterClassId
template<typename T >
	TPZRegisterClassId (int(T::*)() const)

	TPZRegisterClassId ()=default

Static Public Member Functions
static void	main ()

Static Public Member Functions inherited from TPZMatrix< TVar >
static int	Error (const char msg, const char msg2=0)
	Returns error messages. More...

static TVar	ReturnNearestValue (TVar val, TPZVec< TVar > &Vec, TVar tol)
	Retorna o valor mais proximo a "val" (exceto valores no intervalo -tol <= val <= +tol) contido no vetor Vec. More...

Static Public Member Functions inherited from TPZSavable
static std::set< TPZRestoreClassBase * > &	RestoreClassSet ()
	This static function guarantees that the gMap object is available when needed. More...

static std::map< int, TPZRestore_t > &	ClassIdMap ()
	This static function guarantees that the gMap object is available when needed. More...

static std::pair< std::string, uint64_t >	NeoPZVersion ()

static void	Register (TPZRestoreClassBase *restore)

static void	RegisterClassId (int classid, TPZRestore_t fun)

static TPZSavable *	CreateInstance (const int &classId)

Protected Attributes
store	fStorage
	Indicates storage schema. Assumes values TPZFileEqnStorage for binary file and TPZStackEqnStorage for a TPZStack storage. More...

front	fFront
	Indicates Front matrix type. Assumes values TPZFrontSym for symmetric front and TPZFrontNonSym for non symmetric front matrix. More...

int64_t	fNumEq
	Indicates number of equations. More...

int64_t	fLastDecomposed
	Indicates last decomposed equation. More...

TPZVec< int >	fNumElConnected
	Contains the number of elements which still need to contribute to a given equation. More...

TPZVec< int >	fNumElConnectedBackup
	Contains the number of elements which still need to contribute to a given equation. More...

Protected Attributes inherited from TPZMatrix< TVar >
int64_t	fRow
	Number of rows in matrix. More...

int64_t	fCol
	Number of cols in matrix. More...

char	fDecomposed
	Decomposition type used to decompose the current matrix. More...

char	fDefPositive
	Definite Posistiveness of current matrix. More...

Additional Inherited Members
Protected Member Functions inherited from TPZMatrix< TVar >
void	PrepareZ (const TPZFMatrix< TVar > &y, TPZFMatrix< TVar > &z, const TVar beta, const int opt) const
	Is an auxiliar method used by MultiplyAdd. More...

	TPZMatrix (const int64_t row, const int64_t col)
	Constructor. More...

virtual int	Clear ()
	It clears data structure. More...

Static Protected Member Functions inherited from TPZMatrix< TVar >
static void	Swap (int64_t a, int64_t b)
	Swaps contents of a in b and b in a. More...

Static Protected Attributes inherited from TPZMatrix< TVar >
static TVar	gZero
	Initializing value to static variable. More...

Detailed Description

template<class TVar, class store, class front>
class TPZFrontMatrix< TVar, store, front >

Responsible for the frontal method as a whole. Frontal.

Manages the remaining classes connecting them

Definition at line 59 of file TPZFrontMatrix.h.

Constructor & Destructor Documentation

◆ ~TPZFrontMatrix()

template<class TVar , class store , class front >

TPZFrontMatrix< TVar, store, front >::~TPZFrontMatrix ( )

Simple Destructor.

Definition at line 150 of file TPZFrontMatrix.cpp.

◆ TPZFrontMatrix() [1/3]

template<class TVar , class store , class front >

TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix ( )

Simple Constructor.

Definition at line 155 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, TPZFrontMatrix< TVar, store, front >::fLastDecomposed, TPZFrontMatrix< TVar, store, front >::fNumElConnected, TPZFrontMatrix< TVar, store, front >::fNumElConnectedBackup, TPZFrontMatrix< TVar, store, front >::fNumEq, TPZFrontMatrix< TVar, store, front >::fStorage, and TPZVec< T >::Resize().

◆ TPZFrontMatrix() [2/3]

template<class TVar , class store , class front >

TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix ( int64_t globalsize )

Constructor with a globalsize parameter.

Parameters

globalsize Indicates initial global size

Definition at line 167 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, TPZFrontMatrix< TVar, store, front >::fLastDecomposed, TPZFrontMatrix< TVar, store, front >::fNumElConnected, TPZFrontMatrix< TVar, store, front >::fNumElConnectedBackup, TPZFrontMatrix< TVar, store, front >::fNumEq, TPZFrontMatrix< TVar, store, front >::fStorage, and TPZVec< T >::Resize().

◆ TPZFrontMatrix() [3/3]

template<class TVar, class store, class front>

TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix ( const TPZFrontMatrix< TVar, store, front > & cp )

inline

Definition at line 99 of file TPZFrontMatrix.h.

Member Function Documentation

◆ AddKel() [1/2]

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::AddKel	(	TPZFMatrix< TVar > &	elmat,
		TPZVec< int64_t > &	destinationindex
	)

overridevirtual

Add a contribution of a stiffness matrix putting it on destination indexes position.

Parameters

elmat	Indicates number of elements connected to that equation
destinationindex	Positioning of such members on global stiffness matrix

Add a contribution of a stiffness matrix

Reimplemented from TPZMatrix< TVar >.

Reimplemented in TPZParFrontMatrix< TVar, store, front >.

Definition at line 74 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::AddKel(), and LOGPZ_INFO.

Referenced by TPZFrontMatrix< TVar, store, front >::AddKel(), and TPZFrontMatrix< TVar, store, front >::main().

◆ AddKel() [2/2]

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::AddKel	(	TPZFMatrix< TVar > &	elmat,
		TPZVec< int64_t > &	sourceindex,
		TPZVec< int64_t > &	destinationindex
	)

overridevirtual

Add a contribution of a stiffness matrix.

Parameters

elmat	Member stiffness matrix beeing added
sourceindex	Source position of values on member stiffness matrix
destinationindex	Positioning of such members on global stiffness matrix

Add a contribution of a stiffness matrix

Reimplemented from TPZMatrix< TVar >.

Reimplemented in TPZParFrontMatrix< TVar, store, front >.

Definition at line 105 of file TPZFrontMatrix.cpp.

References LOGPZ_INFO.

◆ AllocData()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::AllocData ( )

Allocates data for the FrontMatrix.

Definition at line 329 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, and TPZFrontMatrix< TVar, store, front >::fLastDecomposed.

Referenced by TPZFrontMatrix< TVar, store, front >::main().

◆ CheckCompress()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::CheckCompress ( )

Checks if FrontMatrix needs a compression, if so calls Compress method.

Definition at line 267 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, LOGPZ_DEBUG, and LOGPZ_INFO.

Referenced by TPZParFrontMatrix< TVar, store, front >::AddKel().

◆ ClassId()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::ClassId ( ) const

overridevirtual

Define the class id associated with the class.

This id has to be unique for all classes A non unique id is flagged at the startup of the program

Reimplemented from TPZAbstractFrontMatrix< TVar >.

Reimplemented in TPZParFrontMatrix< TVar, store, front >.

Definition at line 179 of file TPZFrontMatrix.cpp.

References TPZAbstractFrontMatrix< TVar >::ClassId(), and Hash().

Referenced by TPZParFrontMatrix< TVar, store, front >::ClassId().

◆ Clone()

template<class TVar, class store, class front>

virtual TPZMatrix<TVar>* TPZFrontMatrix< TVar, store, front >::Clone ( ) const

inlineoverridevirtual

Implements TPZMatrix< TVar >.

Reimplemented in TPZParFrontMatrix< TVar, store, front >.

Definition at line 105 of file TPZFrontMatrix.h.

References TPZMatrix< TVar >::AddKel(), TPZMatrix< TVar >::SolveDirect(), TPZMatrix< TVar >::Subst_Backward(), TPZMatrix< TVar >::Subst_Forward(), and TPZMatrix< TVar >::Substitution().

◆ EquationsToDecompose()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::EquationsToDecompose	(	TPZVec< int64_t > &	destinationindex,
		int64_t &	lower_eq,
		int64_t &	upper_eq
	)

Sends a message to decompose equations from lower_eq to upper_eq, according to destination index.

Parameters

destinationindex	Contains destination indexes of equations
lower_eq	Starting index
upper_eq	Finishing index

Definition at line 33 of file TPZFrontMatrix.cpp.

References LOGPZ_DEBUG, and TPZVec< T >::NElements().

Referenced by TPZParFrontMatrix< TVar, store, front >::AddKel().

◆ FinishWriting()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::FinishWriting ( )

Finishes writing of a binary file and closes it.

Definition at line 368 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fStorage.

Referenced by TPZFrontStructMatrix< front >::CreateAssemble().

◆ GetFront()

template<class TVar, class store, class front>

TPZFront<TVar>& TPZFrontMatrix< TVar, store, front >::GetFront ( )

inlineoverridevirtual

returns a pointer to the front matrix

Implements TPZAbstractFrontMatrix< TVar >.

Definition at line 80 of file TPZFrontMatrix.h.

References TPZAbstractFrontMatrix< TVar >::ClassId(), EFormatted, main(), and TPZMatrix< TVar >::Print().

Referenced by TPZParFrontStructMatrix< front >::Assemble(), TPZParFrontStructMatrix< front >::CreateAssemble(), and TPZFrontStructMatrix< front >::CreateAssemble().

◆ main()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::main ( )

static

Static main for testing

Definition at line 199 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::AddKel(), TPZFrontMatrix< TVar, store, front >::AllocData(), TPZFrontMatrix< TVar, store, front >::SetNumElConnected(), and TPZFrontMatrix< TVar, store, front >::SymbolicAddKel().

◆ Print()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::Print	(	const char *	name,
		std::ostream &	out,
		const MatrixOutputFormat	form = `EFormatted`
	)		const

overridevirtual

Prints a FrontMatrix object.

Reimplemented from TPZMatrix< TVar >.

Definition at line 184 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, TPZFrontMatrix< TVar, store, front >::fNumElConnected, TPZFrontMatrix< TVar, store, front >::fNumEq, TPZFrontMatrix< TVar, store, front >::fStorage, and TPZVec< T >::NElements().

◆ ReOpen()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::ReOpen ( )

Reopen the binary file.

Definition at line 372 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fStorage.

Referenced by TPZFrontStructMatrix< front >::CreateAssemble().

◆ SetFileName()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::SetFileName	(	char	option,
		const char *	name
	)

Sets a file name for generic input or output.

Parameters

option	It can be either 'w' or 'r' for writeing or reading respectively
name	Name of the file

Definition at line 363 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fStorage.

◆ SetNumElConnected()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::SetNumElConnected ( TPZVec< int > & numelconnected )

Initializes the number of elements connected to each equation.

Add a matrix to the frontal matrix

Parameters

numelconnected Indicates number of elements connected to that equation

Initializes the number of elements connected to each equation

Definition at line 58 of file TPZFrontMatrix.cpp.

References LOGPZ_DEBUG, TPZVec< T >::NElements(), and TPZMatrix< TVar >::Resize().

Referenced by TPZParFrontStructMatrix< front >::Assemble(), TPZFrontStructMatrix< front >::CreateAssemble(), and TPZFrontMatrix< TVar, store, front >::main().

◆ SolveDirect()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::SolveDirect	(	TPZFMatrix< TVar > &	F,
		const DecomposeType	dt,
		std::list< int64_t > &	singular
	)

overridevirtual

Solves the linear system using Direct methods.

Parameters

F	The right hand side of the system and where the solution is stored.
dt	Indicates type of decomposition
singular

Reimplemented from TPZMatrix< TVar >.

Definition at line 293 of file TPZFrontMatrix.cpp.

References DebugStop, TPZFrontMatrix< TVar, store, front >::fFront, LOGPZ_DEBUG, TPZMatrix< TVar >::Print(), TPZFrontMatrix< TVar, store, front >::Subst_Backward(), and TPZFrontMatrix< TVar, store, front >::Subst_Forward().

◆ Subst_Backward()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::Subst_Backward ( TPZFMatrix< TVar > * b ) const

overridevirtual

Backward substitution and result is on b.

Reimplemented from TPZMatrix< TVar >.

Definition at line 353 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, and TPZFrontMatrix< TVar, store, front >::fStorage.

Referenced by TPZFrontMatrix< TVar, store, front >::SolveDirect().

◆ Subst_Forward()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::Subst_Forward ( TPZFMatrix< TVar > * b ) const

overridevirtual

Forward substitution and result is on b.

Parameters

b	Result of the substitution

Reimplemented from TPZMatrix< TVar >.

Definition at line 343 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, and TPZFrontMatrix< TVar, store, front >::fStorage.

Referenced by TPZFrontMatrix< TVar, store, front >::SolveDirect().

◆ Substitution()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::Substitution ( TPZFMatrix< TVar > * b ) const

overridevirtual

Executes a substitution on a TPZFMatrix<REAL> object applies both forward and backward substitution automaticaly.

Reimplemented from TPZMatrix< TVar >.

Definition at line 336 of file TPZFrontMatrix.cpp.

References ELU, and TPZFrontMatrix< TVar, store, front >::fStorage.

◆ SymbolicAddKel()

template<class TVar , class store , class front >

void TPZFrontMatrix< TVar, store, front >::SymbolicAddKel ( TPZVec< int64_t > & destinationindex )

Add a contribution of a stiffness matrix using the indexes to compute the frontwidth. It does it symbolicaly.

Parameters

destinationindex Array containing destination indexes.

Add a contribution of a stiffness matrix using the indexes to compute the frontwidth

Definition at line 135 of file TPZFrontMatrix.cpp.

Referenced by TPZFrontMatrix< TVar, store, front >::main().

◆ Work()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::Work ( )

Definition at line 29 of file TPZFrontMatrix.cpp.

◆ Zero()

template<class TVar , class store , class front >

int TPZFrontMatrix< TVar, store, front >::Zero ( )

overridevirtual

Reinitialize the structure of the frontal matrix.

Reimplemented from TPZMatrix< TVar >.

Definition at line 377 of file TPZFrontMatrix.cpp.

References TPZFrontMatrix< TVar, store, front >::fFront, TPZFrontMatrix< TVar, store, front >::fLastDecomposed, TPZFrontMatrix< TVar, store, front >::fNumElConnected, TPZFrontMatrix< TVar, store, front >::fNumElConnectedBackup, TPZFrontMatrix< TVar, store, front >::fNumEq, and TPZFrontMatrix< TVar, store, front >::fStorage.

Member Data Documentation

◆ fFront

template<class TVar, class store, class front>

front TPZFrontMatrix< TVar, store, front >::fFront

protected

Indicates Front matrix type. Assumes values TPZFrontSym for symmetric front and TPZFrontNonSym for non symmetric front matrix.

Definition at line 66 of file TPZFrontMatrix.h.

Referenced by TPZParFrontMatrix< TVar, store, front >::AddKel(), TPZFrontMatrix< TVar, store, front >::AllocData(), TPZFrontMatrix< TVar, store, front >::CheckCompress(), TPZFrontMatrix< TVar, store, front >::Print(), TPZFrontMatrix< TVar, store, front >::SolveDirect(), TPZFrontMatrix< TVar, store, front >::Subst_Backward(), TPZFrontMatrix< TVar, store, front >::Subst_Forward(), TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix(), and TPZFrontMatrix< TVar, store, front >::Zero().

◆ fLastDecomposed

template<class TVar, class store, class front>

int64_t TPZFrontMatrix< TVar, store, front >::fLastDecomposed

protected

Indicates last decomposed equation.

Definition at line 174 of file TPZFrontMatrix.h.

Referenced by TPZFrontMatrix< TVar, store, front >::AllocData(), TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix(), and TPZFrontMatrix< TVar, store, front >::Zero().

◆ fNumElConnected

template<class TVar, class store, class front>

TPZVec<int> TPZFrontMatrix< TVar, store, front >::fNumElConnected

protected

Contains the number of elements which still need to contribute to a given equation.

\ link aggregationByValue \ link aggregationByValue

Definition at line 183 of file TPZFrontMatrix.h.

Referenced by TPZFrontMatrix< TVar, store, front >::Print(), TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix(), and TPZFrontMatrix< TVar, store, front >::Zero().

◆ fNumElConnectedBackup

template<class TVar, class store, class front>

TPZVec<int> TPZFrontMatrix< TVar, store, front >::fNumElConnectedBackup

protected

Contains the number of elements which still need to contribute to a given equation.

This backup copy is needed to be able to reinitialize the matrix through the Zero() method

Definition at line 189 of file TPZFrontMatrix.h.

Referenced by TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix(), and TPZFrontMatrix< TVar, store, front >::Zero().

◆ fNumEq

template<class TVar, class store, class front>

int64_t TPZFrontMatrix< TVar, store, front >::fNumEq

protected

Indicates number of equations.

Definition at line 172 of file TPZFrontMatrix.h.

Referenced by TPZFrontMatrix< TVar, store, front >::Print(), TPZFrontMatrix< TVar, store, front >::TPZFrontMatrix(), and TPZFrontMatrix< TVar, store, front >::Zero().

◆ fStorage

template<class TVar, class store, class front>

store TPZFrontMatrix< TVar, store, front >::fStorage

protected

Indicates storage schema. Assumes values TPZFileEqnStorage for binary file and TPZStackEqnStorage for a TPZStack storage.

Definition at line 63 of file TPZFrontMatrix.h.

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

Frontal/TPZFrontMatrix.h
Frontal/TPZFrontMatrix.cpp

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

template<class TVar, class store, class front> class TPZFrontMatrix< TVar, store, front >

Constructor & Destructor Documentation

◆ ~TPZFrontMatrix()

◆ TPZFrontMatrix() [1/3]

◆ TPZFrontMatrix() [2/3]

◆ TPZFrontMatrix() [3/3]

Member Function Documentation

◆ AddKel() [1/2]

◆ AddKel() [2/2]

◆ AllocData()

◆ CheckCompress()

◆ ClassId()

◆ Clone()

◆ EquationsToDecompose()

◆ FinishWriting()

◆ GetFront()

◆ main()

◆ Print()

◆ ReOpen()

◆ SetFileName()

◆ SetNumElConnected()

◆ SolveDirect()

◆ Subst_Backward()

◆ Subst_Forward()

◆ Substitution()

◆ SymbolicAddKel()

◆ Work()

◆ Zero()

Member Data Documentation

◆ fFront

◆ fLastDecomposed

◆ fNumElConnected

◆ fNumElConnectedBackup

◆ fNumEq

◆ fStorage

template<class TVar, class store, class front>
class TPZFrontMatrix< TVar, store, front >