It is an equation array, generally in its decomposed form. Frontal. More...

#include <tpzeqnarray.h>

Collaboration diagram for TPZEqnArray< TVar >:

Public Member Functions
void	SetNonSymmetric ()
	Sets EqnArray to a non symmetric form. More...

void	SetSymmetric ()
	Sets fSymmetric to the symmetric value. More...

int	IsSymmetric ()
	Gets the symetry situation of EqnArray. More...

	TPZEqnArray ()
	Simple constructor. More...

	~TPZEqnArray ()
	Simple desctructor. More...

void	EqnForward (TPZFMatrix< TVar > &F, DecomposeType dec)
	Forward substitution on equations stored in EqnArray. More...

void	EqnBackward (TPZFMatrix< TVar > &U, DecomposeType dec)
	Backward substitution on equations stored in EqnArray. More...

void	Reset ()
	Resets data structure. More...

void	BeginEquation (int eq)
	It starts an equation storage. More...

void	AddTerm (int col, TVar val)
	Add a term to the current equation. More...

void	EndEquation ()
	Ends the current equation. More...

void	Read (char *inputfile)
	Reads from disk. More...

void	Write (char *outputfile)
	Writes on disk. More...

void	Print (const char *name, std::ostream &out)
	It prints all terms stored in TPZEqnArray. More...

void	Write (FILE *outputfile)
	Writes to a file in binary mode. More...

void	Read (FILE *inputfile)
	Reads from binary file generated by 'WriteBinary'. More...

Static Public Member Functions
static void	main ()
	Static main function for testing. More...

Private Types
enum	MSymmetric { EIsUndefined, EIsSymmetric, EIsNonSymmetric }
	It defines two diferent types of storage Symmetric and NonSymmetric an also an undefined status. More...

Private Attributes
MSymmetric	fSymmetric
	Indicates the symetry or not of the equationarray. More...

int	fNumEq
	Number of equations. More...

TPZStack< int, 100 >	fEqStart
	Equation start point index. More...

TPZStack< int, 100 >	fEqNumber

TPZStack< TVar, 1000 >	fEqValues
	Equations coefficients values. More...

TPZStack< int, 1000 >	fIndex
	Line/Column number associated to each fEqValues values. More...

int	fLastTerm
	Indicates the last used position in fEqValues. More...

Detailed Description

template<class TVar>
class TPZEqnArray< TVar >

It is an equation array, generally in its decomposed form. Frontal.

Author: Gustavo Longhin Would be saved and read from disk.
It contains a forward and a backward method.
It is sparce, symmetric or not.

Definition at line 36 of file tpzeqnarray.h.

Member Enumeration Documentation

◆ MSymmetric

template<class TVar>

enum TPZEqnArray::MSymmetric

private

It defines two diferent types of storage Symmetric and NonSymmetric an also an undefined status.

Enumerator
EIsUndefined
EIsSymmetric
EIsNonSymmetric

Definition at line 39 of file tpzeqnarray.h.

Constructor & Destructor Documentation

◆ TPZEqnArray()

template<class TVar >

TPZEqnArray< TVar >::TPZEqnArray ( )

Simple constructor.

Definition at line 34 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::EIsUndefined, TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fLastTerm, TPZEqnArray< TVar >::fNumEq, TPZEqnArray< TVar >::fSymmetric, and TPZStack< T, NumExtAlloc >::Push().

◆ ~TPZEqnArray()

template<class TVar >

TPZEqnArray< TVar >::~TPZEqnArray ( )

Simple desctructor.

Definition at line 30 of file tpzeqnarray.cpp.

Member Function Documentation

◆ AddTerm()

template<class TVar>

void TPZEqnArray< TVar >::AddTerm	(	int	col,
		TVar	val
	)

inline

Add a term to the current equation.

Parameters

col	The collumn position of val
val	The value beeing added itself.

Definition at line 83 of file tpzeqnarray.h.

References TPZEqnArray< TVar >::EndEquation(), TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fLastTerm, TPZEqnArray< TVar >::Print(), TPZStack< T, NumExtAlloc >::Push(), TPZEqnArray< TVar >::Read(), and TPZEqnArray< TVar >::Write().

Referenced by TPZFrontSym< TVar >::DecomposeOneEquation(), TPZFrontNonSym< TVar >::DecomposeOneEquation(), TPZEqnArray< TVar >::main(), and TPZFileEqnStorage< TVar >::main().

◆ BeginEquation()

template<class TVar >

void TPZEqnArray< TVar >::BeginEquation ( int eq )

It starts an equation storage.

Parameters

eq	Indicates what equation is beeing added to the stack

Definition at line 75 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::fEqNumber, TPZEqnArray< TVar >::fNumEq, and TPZStack< T, NumExtAlloc >::Push().

Referenced by TPZFrontSym< TVar >::DecomposeOneEquation(), TPZFrontNonSym< TVar >::DecomposeOneEquation(), TPZEqnArray< TVar >::main(), and TPZFileEqnStorage< TVar >::main().

◆ EndEquation()

template<class TVar >

void TPZEqnArray< TVar >::EndEquation ( )

Ends the current equation.

Definition at line 70 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fLastTerm, and TPZStack< T, NumExtAlloc >::Push().

Referenced by TPZEqnArray< TVar >::AddTerm(), TPZFrontSym< TVar >::DecomposeOneEquation(), TPZFrontNonSym< TVar >::DecomposeOneEquation(), TPZEqnArray< TVar >::main(), and TPZFileEqnStorage< TVar >::main().

◆ EqnBackward()

template<class TVar >

void TPZEqnArray< TVar >::EqnBackward	(	TPZFMatrix< TVar > &	U,
		DecomposeType	dec
	)

Backward substitution on equations stored in EqnArray.

Parameters

U	Matrix to execute a Forward substitution
dec	Type of decomposition, depends on what method was used in its decomposition

Case LU - LDLT - Cholesky

Case Cholesky

Case LU - LDLT - Cholesky

Case Cholesky

Definition at line 93 of file tpzeqnarray.cpp.

References ECholesky, TPZEqnArray< TVar >::EIsNonSymmetric, TPZEqnArray< TVar >::EIsSymmetric, ELU, TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fNumEq, and TPZEqnArray< TVar >::IsSymmetric().

Referenced by TPZFileEqnStorage< TVar >::Backward(), TPZFrontSym< TVar >::main(), and TPZFrontNonSym< TVar >::main().

◆ EqnForward()

template<class TVar >

void TPZEqnArray< TVar >::EqnForward	(	TPZFMatrix< TVar > &	F,
		DecomposeType	dec
	)

Forward substitution on equations stored in EqnArray.

Parameters

F	Matrix to execute a Forward substitution on
dec	Type of decomposition, depends on what method was used in its decomposition

cholesky e lu

ldlt cholesky lu

finalizacao para ldlt

cholesky e lu

ldlt cholesky lu

Definition at line 131 of file tpzeqnarray.cpp.

References DebugStop, ECholesky, TPZEqnArray< TVar >::EIsNonSymmetric, TPZEqnArray< TVar >::EIsSymmetric, ELDLt, ELU, TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fNumEq, TPZEqnArray< TVar >::IsSymmetric(), and TPZVec< T >::NElements().

Referenced by TPZFileEqnStorage< TVar >::Forward(), TPZEqnArray< TVar >::main(), TPZFrontSym< TVar >::main(), and TPZFrontNonSym< TVar >::main().

◆ IsSymmetric()

template<class TVar >

int TPZEqnArray< TVar >::IsSymmetric ( )

Gets the symetry situation of EqnArray.

Definition at line 22 of file tpzeqnarray.cpp.

Referenced by TPZEqnArray< TVar >::EqnBackward(), and TPZEqnArray< TVar >::EqnForward().

◆ main()

template<class TVar >

void TPZEqnArray< TVar >::main ( )

static

Static main function for testing.

Definition at line 287 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::AddTerm(), TPZEqnArray< TVar >::BeginEquation(), TPZFMatrix< TVar >::Decompose_Cholesky(), ECholesky, TPZEqnArray< TVar >::EndEquation(), TPZEqnArray< TVar >::EqnForward(), stats::filename, TPZEqnArray< TVar >::Print(), TPZMatrix< TVar >::Print(), TPZEqnArray< TVar >::Reset(), and TPZMatrix< TVar >::Subst_Forward().

◆ Print()

template<class TVar >

void TPZEqnArray< TVar >::Print	(	const char *	name,
		std::ostream &	out
	)

It prints all terms stored in TPZEqnArray.

Definition at line 42 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fNumEq, and TPZVec< T >::NElements().

Referenced by TPZEqnArray< TVar >::AddTerm(), TPZEqnArray< TVar >::main(), TPZFrontSym< TVar >::main(), TPZFrontNonSym< TVar >::main(), and TPZFileEqnStorage< TVar >::Print().

◆ Read() [1/2]

template<class TVar >

void TPZEqnArray< TVar >::Read ( char * inputfile )

Reads from disk.

Definition at line 67 of file tpzeqnarray.cpp.

Referenced by TPZEqnArray< TVar >::AddTerm(), TPZFileEqnStorage< TVar >::Backward(), TPZFileEqnStorage< TVar >::Forward(), and TPZFileEqnStorage< TVar >::Print().

◆ Read() [2/2]

template<class TVar >

void TPZEqnArray< TVar >::Read ( FILE * inputfile )

Reads from binary file generated by 'WriteBinary'.

Note: Also receives position and FILE for 'C' fread() function execution

Number of equations

Last term added

TPZStack fEqStart data

TPZStack fEqNumber data

TPZStack fIndex data

TPZStack fEqValues data

Definition at line 227 of file tpzeqnarray.cpp.

References DebugStop, TPZEqnArray< TVar >::EIsNonSymmetric, TPZEqnArray< TVar >::EIsSymmetric, TPZEqnArray< TVar >::fEqNumber, TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fLastTerm, TPZEqnArray< TVar >::fNumEq, TPZEqnArray< TVar >::fSymmetric, and TPZManVector< T, NumExtAlloc >::Resize().

◆ Reset()

template<class TVar >

void TPZEqnArray< TVar >::Reset ( )

Resets data structure.

Definition at line 81 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::EIsUndefined, TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fLastTerm, TPZEqnArray< TVar >::fNumEq, TPZEqnArray< TVar >::fSymmetric, TPZStack< T, NumExtAlloc >::Push(), and TPZManVector< T, NumExtAlloc >::Resize().

Referenced by TPZFrontSym< TVar >::DecomposeEquations(), TPZFrontNonSym< TVar >::DecomposeEquations(), and TPZEqnArray< TVar >::main().

◆ SetNonSymmetric()

template<class TVar >

void TPZEqnArray< TVar >::SetNonSymmetric ( )

Sets EqnArray to a non symmetric form.

Definition at line 18 of file tpzeqnarray.cpp.

Referenced by TPZFrontNonSym< TVar >::DecomposeEquations().

◆ SetSymmetric()

template<class TVar >

void TPZEqnArray< TVar >::SetSymmetric ( )

Sets fSymmetric to the symmetric value.

Definition at line 26 of file tpzeqnarray.cpp.

Referenced by TPZFrontSym< TVar >::DecomposeEquations().

◆ Write() [1/2]

template<class TVar >

void TPZEqnArray< TVar >::Write ( char * outputfile )

Writes on disk.

Definition at line 65 of file tpzeqnarray.cpp.

Referenced by TPZFileEqnStorage< TVar >::AddEqnArray(), and TPZEqnArray< TVar >::AddTerm().

◆ Write() [2/2]

template<class TVar >

void TPZEqnArray< TVar >::Write ( FILE * outputfile )

Writes to a file in binary mode.

Used by FileEqnStorage
Receives FILE and position to execute 'C' fwrite function

Number of equations

Last term added

TPZStack fEqStart data

TPZStack fEqNumber data

TPZStack fIndex data

TPZStack fEqValues data

Definition at line 190 of file tpzeqnarray.cpp.

References TPZEqnArray< TVar >::fEqNumber, TPZEqnArray< TVar >::fEqStart, TPZEqnArray< TVar >::fEqValues, TPZEqnArray< TVar >::fIndex, TPZEqnArray< TVar >::fLastTerm, TPZEqnArray< TVar >::fNumEq, and TPZVec< T >::NElements().

Member Data Documentation

◆ fEqNumber

template<class TVar>

TPZStack< int , 100 > TPZEqnArray< TVar >::fEqNumber

private

Definition at line 126 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::BeginEquation(), TPZEqnArray< TVar >::Read(), and TPZEqnArray< TVar >::Write().

◆ fEqStart

template<class TVar>

TPZStack< int , 100 > TPZEqnArray< TVar >::fEqStart

private

Equation start point index.

Definition at line 125 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::EndEquation(), TPZEqnArray< TVar >::EqnBackward(), TPZEqnArray< TVar >::EqnForward(), TPZEqnArray< TVar >::Print(), TPZEqnArray< TVar >::Read(), TPZEqnArray< TVar >::Reset(), TPZEqnArray< TVar >::TPZEqnArray(), and TPZEqnArray< TVar >::Write().

◆ fEqValues

template<class TVar>

TPZStack< TVar, 1000 > TPZEqnArray< TVar >::fEqValues

private

Equations coefficients values.

Definition at line 129 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::AddTerm(), TPZEqnArray< TVar >::EqnBackward(), TPZEqnArray< TVar >::EqnForward(), TPZEqnArray< TVar >::Print(), TPZEqnArray< TVar >::Read(), TPZEqnArray< TVar >::Reset(), and TPZEqnArray< TVar >::Write().

◆ fIndex

template<class TVar>

TPZStack< int , 1000 > TPZEqnArray< TVar >::fIndex

private

Line/Column number associated to each fEqValues values.

Definition at line 132 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::AddTerm(), TPZEqnArray< TVar >::EqnBackward(), TPZEqnArray< TVar >::EqnForward(), TPZEqnArray< TVar >::Print(), TPZEqnArray< TVar >::Read(), TPZEqnArray< TVar >::Reset(), and TPZEqnArray< TVar >::Write().

◆ fLastTerm

template<class TVar>

int TPZEqnArray< TVar >::fLastTerm

private

Indicates the last used position in fEqValues.

Definition at line 135 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::AddTerm(), TPZEqnArray< TVar >::EndEquation(), TPZEqnArray< TVar >::Read(), TPZEqnArray< TVar >::Reset(), TPZEqnArray< TVar >::TPZEqnArray(), and TPZEqnArray< TVar >::Write().

◆ fNumEq

template<class TVar>

int TPZEqnArray< TVar >::fNumEq

private

Number of equations.

Definition at line 122 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::BeginEquation(), TPZEqnArray< TVar >::EqnBackward(), TPZEqnArray< TVar >::EqnForward(), TPZEqnArray< TVar >::Print(), TPZEqnArray< TVar >::Read(), TPZEqnArray< TVar >::Reset(), TPZEqnArray< TVar >::TPZEqnArray(), and TPZEqnArray< TVar >::Write().

◆ fSymmetric

template<class TVar>

MSymmetric TPZEqnArray< TVar >::fSymmetric

private

Indicates the symetry or not of the equationarray.

Definition at line 118 of file tpzeqnarray.h.

Referenced by TPZEqnArray< TVar >::Read(), TPZEqnArray< TVar >::Reset(), and TPZEqnArray< TVar >::TPZEqnArray().

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

Frontal/tpzeqnarray.h
Frontal/tpzeqnarray.cpp

Public Member Functions

Static Public Member Functions

Private Types

Private Attributes

Detailed Description

template<class TVar> class TPZEqnArray< TVar >

Member Enumeration Documentation

◆ MSymmetric

Constructor & Destructor Documentation

◆ TPZEqnArray()

◆ ~TPZEqnArray()

Member Function Documentation

◆ AddTerm()

◆ BeginEquation()

◆ EndEquation()

◆ EqnBackward()

◆ EqnForward()

◆ IsSymmetric()

◆ main()

◆ Print()

◆ Read() [1/2]

◆ Read() [2/2]

◆ Reset()

◆ SetNonSymmetric()

◆ SetSymmetric()

◆ Write() [1/2]

◆ Write() [2/2]

Member Data Documentation

◆ fEqNumber

◆ fEqStart

◆ fEqValues

◆ fIndex

◆ fLastTerm

◆ fNumEq

◆ fSymmetric

template<class TVar>
class TPZEqnArray< TVar >