#include <vector.hpp>

Inheritance diagram for mfem::Vector:

Public Member Functions
	Vector ()
	Default constructor for Vector. Sets size = 0 and data = NULL. More...

	Vector (const Vector &)
	Copy constructor. More...

	Vector (int s)
	Creates vector of size s. More...

	Vector (double *_data, int _size)

void	Load (std::istream *in, int np, int dim)
	Reads a vector from multiple files. More...

void	Load (std::istream &in, int Size)
	Load a vector from an input stream. More...

void	Load (std::istream &in)
	Load a vector from an input stream. More...

void	SetSize (int s)
	Resizes the vector if the new size is different. More...

void	SetData (double *d)

void	SetDataAndSize (double *d, int s)

void	NewDataAndSize (double *d, int s)

void	MakeDataOwner ()

void	Destroy ()
	Destroy a vector. More...

int	Size () const
	Returns the size of the vector. More...

double *	GetData () const

	operator double * ()

	operator const double * () const

bool	OwnsData () const

void	StealData (double **p)
	Changes the ownership of the data; after the call the Vector is empty. More...

double *	StealData ()
	Changes the ownership of the data; after the call the Vector is empty. More...

double &	Elem (int i)
	Sets value in vector. Index i = 0 .. size-1. More...

const double &	Elem (int i) const
	Sets value in vector. Index i = 0 .. size-1. More...

double &	operator() (int i)
	Sets value in vector. Index i = 0 .. size-1. More...

const double &	operator() (int i) const
	Sets value in vector. Index i = 0 .. size-1. More...

double	operator* (const double *) const

double	operator* (const Vector &v) const
	Return the inner-product. More...

Vector &	operator= (const double *v)

Vector &	operator= (const Vector &v)
	Redefine '=' for vector = vector. More...

Vector &	operator= (double value)
	Redefine '=' for vector = constant. More...

Vector &	operator*= (double c)

Vector &	operator/= (double c)

Vector &	operator-= (double c)

Vector &	operator-= (const Vector &v)

Vector &	operator+= (const Vector &v)

Vector &	Add (const double a, const Vector &Va)
	(this) += a Va More...

Vector &	Set (const double a, const Vector &x)
	(this) = a x More...

void	SetVector (const Vector &v, int offset)

void	Neg ()
	(this) = -(this) More...

void	median (const Vector &lo, const Vector &hi)
	v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi. More...

void	GetSubVector (const Array< int > &dofs, Vector &elemvect) const

void	GetSubVector (const Array< int > &dofs, double *elem_data) const

void	SetSubVector (const Array< int > &dofs, const Vector &elemvect)

void	SetSubVector (const Array< int > &dofs, double *elem_data)

void	AddElementVector (const Array< int > &dofs, const Vector &elemvect)
	Add (element) subvector to the vector. More...

void	AddElementVector (const Array< int > &dofs, double *elem_data)

void	AddElementVector (const Array< int > &dofs, const double a, const Vector &elemvect)

void	Print (std::ostream &out=std::cout, int width=8) const
	Prints vector to stream out. More...

void	Print_HYPRE (std::ostream &out) const
	Prints vector to stream out in HYPRE_Vector format. More...

void	Randomize (int seed=0)
	Set random values in the vector. More...

double	Norml2 () const
	Returns the l2 norm of the vector. More...

double	Normlinf () const
	Returns the l_infinity norm of the vector. More...

double	Norml1 () const
	Returns the l_1 norm of the vector. More...

double	Normlp (double p) const
	Returns the l_p norm of the vector. More...

double	Max () const
	Returns the maximal element of the vector. More...

double	Min () const
	Returns the minimal element of the vector. More...

double	Sum () const
	Return the sum of the vector entries. More...

double	DistanceTo (const double *p) const
	Compute the Euclidian distance to another vector. More...

int	CheckFinite () const

	~Vector ()
	Destroys vector. More...

Protected Attributes
int	size

int	allocsize

double *	data

Friends
void	swap (Vector v1, Vector v2)
	Swap v1 and v2. More...

void	add (const Vector &v1, const Vector &v2, Vector &v)
	Do v = v1 + v2. More...

void	add (const Vector &v1, double alpha, const Vector &v2, Vector &v)
	Do v = v1 + alpha * v2. More...

void	add (const double a, const Vector &x, const Vector &y, Vector &z)
	z = a * (x + y) More...

void	add (const double a, const Vector &x, const double b, const Vector &y, Vector &z)
	z = a * x + b * y More...

void	subtract (const Vector &v1, const Vector &v2, Vector &v)
	Do v = v1 - v2. More...

void	subtract (const double a, const Vector &x, const Vector &y, Vector &z)
	z = a * (x - y) More...

Detailed Description

Vector data type.

Definition at line 29 of file vector.hpp.

Constructor & Destructor Documentation

mfem::Vector::Vector ( )

inline

Default constructor for Vector. Sets size = 0 and data = NULL.

Definition at line 39 of file vector.hpp.

mfem::Vector::Vector ( const Vector & v )

Copy constructor.

Definition at line 26 of file vector.cpp.

mfem::Vector::Vector ( int s )

inlineexplicit

Creates vector of size s.

Definition at line 234 of file vector.hpp.

mfem::Vector::Vector	(	double *	_data,
		int	_size
	)

inline

Definition at line 47 of file vector.hpp.

mfem::Vector::~Vector ( )

inline

Destroys vector.

Definition at line 291 of file vector.hpp.

Member Function Documentation

Vector & mfem::Vector::Add	(	const double	a,
		const Vector &	Va
	)

(*this) += a * Va

Definition at line 168 of file vector.cpp.

void mfem::Vector::AddElementVector	(	const Array< int > &	dofs,
		const Vector &	elemvect
	)

Add (element) subvector to the vector.

Definition at line 449 of file vector.cpp.

void mfem::Vector::AddElementVector	(	const Array< int > &	dofs,
		double *	elem_data
	)

Definition at line 460 of file vector.cpp.

void mfem::Vector::AddElementVector	(	const Array< int > &	dofs,
		const double	a,
		const Vector &	elemvect
	)

Definition at line 471 of file vector.cpp.

int mfem::Vector::CheckFinite ( ) const

inline

Count the number of entries in the Vector for which isfinite is false, i.e. the entry is a NaN or +/-Inf.

Definition at line 206 of file vector.hpp.

void mfem::Vector::Destroy ( )

inline

Destroy a vector.

Definition at line 263 of file vector.hpp.

double mfem::Vector::DistanceTo ( const double * p ) const

Compute the Euclidian distance to another vector.

Definition at line 608 of file vector.cpp.

double & mfem::Vector::Elem ( int i )

Sets value in vector. Index i = 0 .. size-1.

Definition at line 67 of file vector.cpp.

const double & mfem::Vector::Elem ( int i ) const

Sets value in vector. Index i = 0 .. size-1.

Definition at line 72 of file vector.cpp.

double* mfem::Vector::GetData ( ) const

inline

Definition at line 80 of file vector.hpp.

void mfem::Vector::GetSubVector	(	const Array< int > &	dofs,
		Vector &	elemvect
	)		const

Definition at line 403 of file vector.cpp.

void mfem::Vector::GetSubVector	(	const Array< int > &	dofs,
		double *	elem_data
	)		const

Definition at line 416 of file vector.cpp.

void mfem::Vector::Load	(	std::istream **	in,
		int	np,
		int *	dim
	)

Reads a vector from multiple files.

Definition at line 43 of file vector.cpp.

void mfem::Vector::Load	(	std::istream &	in,
		int	Size
	)

Load a vector from an input stream.

Definition at line 59 of file vector.cpp.

void mfem::Vector::Load ( std::istream & in )

inline

Load a vector from an input stream.

Definition at line 57 of file vector.hpp.

void mfem::Vector::MakeDataOwner ( )

inline

Definition at line 70 of file vector.hpp.

double mfem::Vector::Max ( ) const

Returns the maximal element of the vector.

Definition at line 576 of file vector.cpp.

void mfem::Vector::median	(	const Vector &	lo,
		const Vector &	hi
	)

v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi.

Definition at line 390 of file vector.cpp.

double mfem::Vector::Min ( ) const

Returns the minimal element of the vector.

Definition at line 587 of file vector.cpp.

void mfem::Vector::Neg ( )

(*this) = -(*this)

Definition at line 207 of file vector.cpp.

void mfem::Vector::NewDataAndSize	(	double *	d,
		int	s
	)

inline

Definition at line 67 of file vector.hpp.

double mfem::Vector::Norml1 ( ) const

Returns the l_1 norm of the vector.

Definition at line 548 of file vector.cpp.

double mfem::Vector::Norml2 ( ) const

Returns the l2 norm of the vector.

Definition at line 532 of file vector.cpp.

double mfem::Vector::Normlinf ( ) const

Returns the l_infinity norm of the vector.

Definition at line 537 of file vector.cpp.

double mfem::Vector::Normlp ( double p ) const

Returns the l_p norm of the vector.

Definition at line 558 of file vector.cpp.

mfem::Vector::operator const double * ( ) const

inline

Definition at line 84 of file vector.hpp.

mfem::Vector::operator double * ( )

inline

Definition at line 82 of file vector.hpp.

double & mfem::Vector::operator() ( int i )

inline

Sets value in vector. Index i = 0 .. size-1.

Definition at line 271 of file vector.hpp.

const double & mfem::Vector::operator() ( int i ) const

inline

Sets value in vector. Index i = 0 .. size-1.

Definition at line 281 of file vector.hpp.

double mfem::Vector::operator* ( const double * v ) const

Definition at line 77 of file vector.cpp.

double mfem::Vector::operator* ( const Vector & v ) const

Return the inner-product.

Definition at line 90 of file vector.cpp.

Vector & mfem::Vector::operator*= ( double c )

Definition at line 124 of file vector.cpp.

Vector & mfem::Vector::operator+= ( const Vector & v )

Definition at line 157 of file vector.cpp.

Vector & mfem::Vector::operator-= ( double c )

Definition at line 139 of file vector.cpp.

Vector & mfem::Vector::operator-= ( const Vector & v )

Definition at line 146 of file vector.cpp.

Vector & mfem::Vector::operator/= ( double c )

Definition at line 131 of file vector.cpp.

Vector & mfem::Vector::operator= ( const double * v )

Definition at line 100 of file vector.cpp.

Vector & mfem::Vector::operator= ( const Vector & v )

Redefine '=' for vector = vector.

Definition at line 107 of file vector.cpp.

Vector & mfem::Vector::operator= ( double value )

Redefine '=' for vector = constant.

Definition at line 115 of file vector.cpp.

bool mfem::Vector::OwnsData ( ) const

inline

Definition at line 86 of file vector.hpp.

void mfem::Vector::Print	(	std::ostream &	out = `std::cout`,
		int	width = `8`
	)		const

Prints vector to stream out.

Definition at line 483 of file vector.cpp.

void mfem::Vector::Print_HYPRE ( std::ostream & out ) const

Prints vector to stream out in HYPRE_Vector format.

Definition at line 501 of file vector.cpp.

void mfem::Vector::Randomize ( int seed = 0 )

Set random values in the vector.

Definition at line 517 of file vector.cpp.

Vector & mfem::Vector::Set	(	const double	a,
		const Vector &	x
	)

(*this) = a * x

Definition at line 182 of file vector.cpp.

void mfem::Vector::SetData ( double * d )

inline

Definition at line 62 of file vector.hpp.

void mfem::Vector::SetDataAndSize	(	double *	d,
		int	s
	)

inline

Definition at line 64 of file vector.hpp.

void mfem::Vector::SetSize ( int s )

inline

Resizes the vector if the new size is different.

Definition at line 248 of file vector.hpp.

void mfem::Vector::SetSubVector	(	const Array< int > &	dofs,
		const Vector &	elemvect
	)

Definition at line 427 of file vector.cpp.

void mfem::Vector::SetSubVector	(	const Array< int > &	dofs,
		double *	elem_data
	)

Definition at line 438 of file vector.cpp.

void mfem::Vector::SetVector	(	const Vector &	v,
		int	offset
	)

Definition at line 193 of file vector.cpp.

int mfem::Vector::Size ( ) const

inline

Returns the size of the vector.

Definition at line 76 of file vector.hpp.

void mfem::Vector::StealData ( double ** p )

inline

Changes the ownership of the data; after the call the Vector is empty.

Definition at line 89 of file vector.hpp.

double* mfem::Vector::StealData ( )

inline

Changes the ownership of the data; after the call the Vector is empty.

Definition at line 93 of file vector.hpp.

double mfem::Vector::Sum ( ) const

Return the sum of the vector entries.

Definition at line 598 of file vector.cpp.

Friends And Related Function Documentation

void add	(	const Vector &	v1,
		const Vector &	v2,
		Vector &	v
	)

friend

Do v = v1 + v2.

Definition at line 227 of file vector.cpp.

void add	(	const Vector &	v1,
		double	alpha,
		const Vector &	v2,
		Vector &	v
	)

friend

Do v = v1 + alpha * v2.

Definition at line 241 of file vector.cpp.

void add	(	const double	a,
		const Vector &	x,
		const Vector &	y,
		Vector &	z
	)

friend

z = a * (x + y)

Definition at line 268 of file vector.cpp.

void add	(	const double	a,
		const Vector &	x,
		const double	b,
		const Vector &	y,
		Vector &	z
	)

friend

z = a * x + b * y

Definition at line 298 of file vector.cpp.

void subtract	(	const Vector &	v1,
		const Vector &	v2,
		Vector &	v
	)

friend

Do v = v1 - v2.

Definition at line 341 of file vector.cpp.

void subtract	(	const double	a,
		const Vector &	x,
		const Vector &	y,
		Vector &	z
	)

friend

z = a * (x - y)

Definition at line 359 of file vector.cpp.

void swap	(	Vector *	v1,
		Vector *	v2
	)

friend

Swap v1 and v2.

Definition at line 213 of file vector.cpp.

Member Data Documentation

int mfem::Vector::allocsize

protected

Definition at line 33 of file vector.hpp.

double* mfem::Vector::data

protected

Definition at line 34 of file vector.hpp.

int mfem::Vector::size

protected

Definition at line 33 of file vector.hpp.

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

Public Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation