SecondOrderOperator Class Reference

#include <SecondOrderOperator.hpp>

Inheritance diagram for SecondOrderOperator:

Collaboration diagram for SecondOrderOperator:

List of all members.

Public Types

enum Type {
firstorderop, firstorderopTransposed, divmugrad, secondorderop,
massop
}

Public Member Functions

bool isSet (const int &i, const int &j) const

std::string typeName () const

ConstReferenceCounting
< ScalarFunctionBase > A (const int &i, const int &j) const

ConstReferenceCounting
< SecondOrderOperator::Matrix > A () const

ConstReferenceCounting
< PDEOperator > operator* (const ConstReferenceCounting< ScalarFunctionBase > &c) const

ConstReferenceCounting
< PDEOperator > operator- () const

Returns a pointer on the opposed SecondOrderOperator operator.

SecondOrderOperator (ReferenceCounting< SecondOrderOperator::Matrix > A)

SecondOrderOperator (const SecondOrderOperator &O)

~SecondOrderOperator ()

const size_t & numberOfSubOperators () const

const PDEOperator::Type & type () const

Protected Attributes

const PDEOperator::Type __type

size_t __numberOfSubOperators

Private Attributes

ConstReferenceCounting
< SecondOrderOperator::Matrix > __A

Friends

std::ostream & operator<< (std::ostream &os, const PDEOperator &pdeOperator)

Detailed Description

Definition at line 39 of file SecondOrderOperator.hpp.

Member Enumeration Documentation

enum PDEOperator::Type [inherited]

Enumerator:

firstorderop
firstorderopTransposed
divmugrad
secondorderop
massop

Definition at line 41 of file PDEOperator.hpp.

00041             {
00042     firstorderop,
00043     firstorderopTransposed,
00044     divmugrad,
00045     secondorderop,
00046     massop
00047   };

Constructor & Destructor Documentation

SecondOrderOperator::SecondOrderOperator ( ReferenceCounting< SecondOrderOperator::Matrix > A ) [inline]

Constructor

Parameters:

A

given matrix

Definition at line 158 of file SecondOrderOperator.hpp.

Referenced by operator*(), and operator-().

00159     : PDEOperator(PDEOperator::secondorderop,
00160                   9),
00161       __A(A)
00162   {
00163     ;
00164   }

SecondOrderOperator::SecondOrderOperator ( const SecondOrderOperator & O ) [inline]

Copy constructor

Parameters:

O

given operator

Definition at line 171 of file SecondOrderOperator.hpp.

00172     : PDEOperator(O),
00173       __A(O.__A)
00174   {
00175     ;
00176   }

SecondOrderOperator::~SecondOrderOperator ( ) [inline]

Destructor

Definition at line 182 of file SecondOrderOperator.hpp.

00183   {
00184     ;
00185   }

Member Function Documentation

bool SecondOrderOperator::isSet	(	const int &	i,
		const int &	j
	)			const `[inline]`

Checks if a coefficient of $ A $ is set

Parameters:

	i	line
	j	column

Returns:: true if $A_{ij}$ has been set

Definition at line 61 of file SecondOrderOperator.hpp.

References __A.

Referenced by DiscretizedOperators< FiniteElement::ElementaryMatrix >::DiscretizedOperators().

00063   {
00064     return ((*__A)(i,j) != 0);
00065   }

std::string SecondOrderOperator::typeName ( ) const [inline, virtual]

Writes the name of the operator

Returns:: "SecondOrderOperator"

Implements PDEOperator.

Definition at line 72 of file SecondOrderOperator.hpp.

00073   {
00074     return "SecondOrderOperator";
00075   }

ConstReferenceCounting<ScalarFunctionBase> SecondOrderOperator::A	(	const int &	i,
		const int &	j
	)			const `[inline]`

Read-only access to the coefficient $A_{ij}$

Parameters:

	i	line number
	j	column number

Returns:: $A_{ij}$

Definition at line 86 of file SecondOrderOperator.hpp.

References __A.

Referenced by DiscretizedOperators< FiniteElement::ElementaryMatrix >::DiscretizedOperators().

00087   {
00088     return (*__A)(i,j);
00089   }

ConstReferenceCounting<SecondOrderOperator::Matrix> SecondOrderOperator::A ( ) const [inline]

Read-only access to the matrix $ A $

Returns:: __A

Definition at line 97 of file SecondOrderOperator.hpp.

References __A.

00098   {
00099     return __A;
00100   }

ConstReferenceCounting<PDEOperator> SecondOrderOperator::operator* ( const ConstReferenceCounting< ScalarFunctionBase > & c ) const [inline, virtual]

"multiplies" the operator by a coefficient

Parameters:

c

coefficient

Returns:: $\nabla \cdot c A \nabla$

Implements PDEOperator.

Definition at line 110 of file SecondOrderOperator.hpp.

References __A, ScalarFunctionBuilder::getBuiltFunction(), BinaryOperation::product, SecondOrderOperator(), ScalarFunctionBuilder::setBinaryOperation(), and ScalarFunctionBuilder::setFunction().

00111   {
00112     ReferenceCounting<SecondOrderOperator::Matrix> A2
00113       = new SecondOrderOperator::Matrix;
00114 
00115     for (size_t i=0; i<3; ++i)
00116       for (size_t j=0; j<3; ++j) {
00117         if ((*__A)(i,j) != 0) {
00118           ScalarFunctionBuilder functionBuilder;
00119           functionBuilder.setFunction((*__A)(i,j));
00120           functionBuilder.setBinaryOperation(BinaryOperation::product,c);
00121           (*A2)(i,j) = functionBuilder.getBuiltFunction();
00122         }
00123       }
00124 
00125     return (new SecondOrderOperator(A2));
00126   }

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ConstReferenceCounting<PDEOperator> SecondOrderOperator::operator- ( ) const [inline, virtual]

Returns a pointer on the opposed SecondOrderOperator operator.

gets the opposite operator

Returns:: $-\nabla\cdot A\nabla$

Implements PDEOperator.

Definition at line 135 of file SecondOrderOperator.hpp.

References __A, ScalarFunctionBuilder::getBuiltFunction(), SecondOrderOperator(), ScalarFunctionBuilder::setFunction(), and ScalarFunctionBuilder::setUnaryMinus().

00136  {
00137    ReferenceCounting<SecondOrderOperator::Matrix> A2
00138      = new SecondOrderOperator::Matrix;
00139 
00140     for (size_t i=0; i<3; ++i)
00141       for (size_t j=0; j<3; ++j) {
00142         if ((*__A)(i,j) != 0) {
00143           ScalarFunctionBuilder functionBuilder;
00144           functionBuilder.setFunction((*__A)(i,j));
00145           functionBuilder.setUnaryMinus();
00146           (*A2)(i,j) = functionBuilder.getBuiltFunction();
00147         }
00148       }
00149 
00150     return (new SecondOrderOperator(A2));
00151   }

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const size_t& PDEOperator::numberOfSubOperators ( ) const [inline, inherited]

Read only access to the number of sub-operators

Returns:: __numberOfSubOperators

Definition at line 63 of file PDEOperator.hpp.

References PDEOperator::__numberOfSubOperators.

00064   {
00065     return __numberOfSubOperators;
00066   }

const PDEOperator::Type& PDEOperator::type ( ) const [inline, inherited]

Read-only access to the type of the operator

Returns:: __type

Definition at line 82 of file PDEOperator.hpp.

References PDEOperator::__type.

Referenced by DiscretizedOperators< FiniteElement::ElementaryMatrix >::DiscretizedOperators().

00083   {
00084     return __type;
00085   }

Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const PDEOperator &	pdeOperator
	)			`[friend, inherited]`

Writes a PDEOperator to a stream

Parameters:

	os	the output stream
	pdeOperator	a PDEOperator

Returns:: os

Definition at line 114 of file PDEOperator.hpp.

00115   {
00116     os << pdeOperator.typeName();
00117     return os;
00118   }

Member Data Documentation

ConstReferenceCounting<SecondOrderOperator::Matrix> SecondOrderOperator::__A [private]

$ A $ : $A_{ij}$

Definition at line 46 of file SecondOrderOperator.hpp.

Referenced by A(), isSet(), operator*(), and operator-().

const PDEOperator::Type PDEOperator::__type [protected, inherited]

type of the operator

Definition at line 50 of file PDEOperator.hpp.

Referenced by PDEOperator::type().

size_t PDEOperator::__numberOfSubOperators [protected, inherited]

This is used for "composed" operators to provied an efficient way to know how many elementary matrices are needed to discretize it

Definition at line 52 of file PDEOperator.hpp.

Referenced by PDEOperator::numberOfSubOperators().

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

SecondOrderOperator.hpp


Public Types
enum	Type { firstorderop, firstorderopTransposed, divmugrad, secondorderop, massop }
Public Member Functions
bool	isSet (const int &i, const int &j) const
std::string	typeName () const
ConstReferenceCounting < ScalarFunctionBase >	A (const int &i, const int &j) const
ConstReferenceCounting < SecondOrderOperator::Matrix >	A () const
ConstReferenceCounting < PDEOperator >	operator* (const ConstReferenceCounting< ScalarFunctionBase > &c) const
ConstReferenceCounting < PDEOperator >	operator- () const
	Returns a pointer on the opposed SecondOrderOperator operator.
	SecondOrderOperator (ReferenceCounting< SecondOrderOperator::Matrix > A)
	SecondOrderOperator (const SecondOrderOperator &O)
	~SecondOrderOperator ()
const size_t &	numberOfSubOperators () const
const PDEOperator::Type &	type () const
Protected Attributes
const PDEOperator::Type	__type
size_t	__numberOfSubOperators
Private Attributes
ConstReferenceCounting < SecondOrderOperator::Matrix >	__A
Friends
std::ostream &	operator<< (std::ostream &os, const PDEOperator &pdeOperator)