TPZNumeric Class Reference

Implements several methods to calculation. Utility. More...

#include <pznumeric.h>

Public Member Functions
	TPZNumeric ()
	~TPZNumeric ()

Static Public Member Functions
static void	MatrixDet (REAL matrix[3][3], REAL &det)
	Compute the 3x3-matrix determinant. More...
static REAL	MatrixDet (REAL matrix[3][3])
	Returns the 3x3-matrix determinant. More...
template<class Tvar >
static void	SortArray3 (const TPZVec< Tvar > &array, int ordem[3])
	Sorts in descending order, in absolute value and stores the indexes in ordem. More...
template<class Tvar >
static void	SortArray3 (TPZVec< Tvar > &array)
	Sorts in descending order, in absolute value on self storage vector. More...
template<class Tvar >
static void	ProdVetorial (TPZVec< Tvar > &u, TPZVec< Tvar > &v, TPZVec< Tvar > &result)
	Computes the vectorial product u x v. More...
template<class Tvar >
static void	NormalizeVetor3 (TPZVec< Tvar > &vetor)
	Normalizes the vector with 3 elements. More...
template<class Tvar >
static void	NormalizeVetor (TPZVec< Tvar > &vetor)
	Normalizes the vector. More...
template<class Tvar >
static Tvar	Norm (const TPZVec< Tvar > &vetor)
	Returns the L2-norm of the vector. More...

Detailed Description

Implements several methods to calculation. Utility.

Author

Renato Gomes Damas

Definition at line 19 of file pznumeric.h.

Constructor & Destructor Documentation

TPZNumeric()

TPZNumeric::TPZNumeric

(

)

Definition at line 40 of file pznumeric.cpp.

~TPZNumeric()

TPZNumeric::~TPZNumeric

(

)

Definition at line 42 of file pznumeric.cpp.

Member Function Documentation

MatrixDet() [1/2]

static void TPZNumeric::MatrixDet ( REAL  matrix[3][3], REAL &  det  )

static

Compute the 3x3-matrix determinant.

Retorna o determinante da matriz em &det.

MatrixDet() [2/2]

static REAL TPZNumeric::MatrixDet ( REAL  matrix[3][3] )

static

Returns the 3x3-matrix determinant.

Retorna o determinante da matriz.

Norm()

template<class Tvar >

template REAL TPZNumeric::Norm ( const TPZVec< Tvar > &  vetor )

static

Returns the L2-norm of the vector.

Definition at line 16 of file pznumeric.cpp.

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

Referenced by pztopology::TPZPrism::ComputeDirections(), pztopology::computedirectionsC(), pztopology::TPZTriangle::GetSideHDivPermutation(), NormalizeVetor(), NormalizeVetor3(), ProdVetorial(), TPZHyperPlaneIntersect::Reorder(), and TPZHyperPlaneIntersect::ReorderGeneral().

NormalizeVetor()

template<class Tvar >

template void TPZNumeric::NormalizeVetor< REAL > ( TPZVec< Tvar > &  vetor )

static

Normalizes the vector.

Definition at line 33 of file pznumeric.cpp.

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

Referenced by TPZGeoElSide::Normal().

NormalizeVetor3()

template<class Tvar >

template void TPZNumeric::NormalizeVetor3< REAL > ( TPZVec< Tvar > &  vetor )

static

Normalizes the vector with 3 elements.

Definition at line 26 of file pznumeric.cpp.

References Norm().

Referenced by TPZHyperPlaneIntersect::ReorderGeneral().

ProdVetorial()

template<class Tvar >

template void TPZNumeric::ProdVetorial< REAL > ( TPZVec< Tvar > &  u, TPZVec< Tvar > &  v, TPZVec< Tvar > &  result  )

static

Computes the vectorial product u x v.

dados dois vetores calcula o produto vetorial.

Definition at line 96 of file pznumeric.cpp.

References Norm().

Referenced by TPZLine::Belongs(), TPZPlane::Belongs(), CheckElement(), pztopology::TPZPrism::ComputeDirections(), pztopology::computedirectionsC(), pztopology::computedirectionsPr(), TPZGeoElSide::Normal(), TPZHyperPlaneIntersect::Reorder(), TPZHyperPlaneIntersect::ReorderGeneral(), and TPZPlane::SetPlane().

SortArray3() [1/2]

template<class Tvar >

void TPZNumeric::SortArray3 ( const TPZVec< Tvar > &  array, int  ordem[3]  )

static

Sorts in descending order, in absolute value and stores the indexes in ordem.

Dada a array[3] armazena sua ordem decrescente, em valor absoluto, em ordem[3].

Dada a array[3]armazena sua ordem decrescente, em valor absoluto, em ordem[3].

Definition at line 47 of file pznumeric.cpp.

References fabs.

Referenced by TPZPlane::SetPlane().

SortArray3() [2/2]

template<class Tvar >

void TPZNumeric::SortArray3 ( TPZVec< Tvar > &  array )

static

Sorts in descending order, in absolute value on self storage vector.

Dada a array[3], retorna-a em ordem decrescente, em valor absoluto.

Definition at line 89 of file pznumeric.cpp.

References TPZVec< T >::NElements().

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

• Util/pznumeric.h
• Util/pznumeric.cpp