BALL::TVector4< T > Class Template Reference
[Four-dimensional vector.]

Generic Four-Dimensional Vector. More...

#include <vector4.h>

List of all members.

Public Member Functions
Constructors and Destructors
	TVector4 ()
	Default constructor.
	TVector4 (const T *ptr) throw (Exception::NullPointer)
	Array constructor.
	TVector4 (const T &value)
	Scalar constructor.
	TVector4 (const T &x, const T &y, const T &z, const T &h=(T) 1)
	Detailed constructor.
	TVector4 (const TVector4 &vector)
	Copy constructor.
virtual	~TVector4 ()
	Destructor.
virtual void	clear ()
	Clear method The values are set to 0.
Assignment
void	set (const T *ptr) throw (Exception::NullPointer)
	Assign from an array.
void	set (const T &rx, const T &ry, const T &rz, const T &rh=(T) 1)
	Assign the vector components.
void	set (const TVector4 &vector)
	Assign from another TVector4.
TVector4 &	operator= (const T *ptr) throw (Exception::NullPointer)
	Array assignment operator.
TVector4 &	operator= (const TVector4 &vector)
	Assignment operator.
TVector4 &	operator= (T value)
	Assignment operator.
void	get (T *ptr) const throw (Exception::NullPointer)
	Assign to an array.
void	get (T &rx, T &ry, T &rz, T &rh) const
	Assign to four variables of type T.
void	get (TVector4 &vector) const
	Assign to another Vector4.
void	swap (TVector4 &vector)
	Swap the contents of two vectors.
Arithmetic operators
TVector4	operator+ () const
	Positive sign.
TVector4	operator- () const
	Negative sign.
TVector4 &	operator+= (const TVector4 &vector)
	Add a vector to this vector.
TVector4 &	operator-= (const TVector4 &vector)
	Subtract a vector from this vector.
TVector4	operator* (const T &scalar)
	Scalar product.
TVector4 &	operator*= (const T &scalar)
	Multiply by a scalar.
TVector4	operator/ (const T &scalar) throw (Exception::DivisionByZero)
	Fraction of a vector.
TVector4 &	operator/= (const T &scalar) throw (Exception::DivisionByZero)
	Divide a vector by a scalar.
T	operator* (const TVector4 &vector) const
	Dot product.
T	getDistance (const TVector4 &vector) const
	Return the distance to another vector.
T	getSquareDistance (const TVector4 &vector) const
	Return the squared distance to another vector.
Predicates
bool	operator== (const TVector4 &vector) const
	Equality operator.
bool	operator!= (const TVector4 &vector) const
	Inequality operator.
bool	isOrthogonalTo (const TVector4 &vector) const
	Orthogonality predicate.
Debugging and Diagnostics
bool	isValid () const
	Test whether instance is valid.
void	dump (std::ostream &s=std::cout, Size depth=0) const
	Internal state dump.
Public Attributes
Attributes
All vector components are public members for convenience.
T	x
	x component of the vector
T	y
	y component of the vector
T	z
	z component of the vector
T	h
	height component of the vector
Accessors
T	getLength () const
	Return the length of the vector.
T	getSquareLength () const
	Return the squared length of the vector.
TVector4 &	normalize () throw (Exception::DivisionByZero)
	Normalize the vector.
void	set (const T &value=(T) 1)
	Assign one value to all vector components.
T &	operator[] (Position position) throw (Exception::IndexOverflow)
	Mutable array-like access to the components.
const T &	operator[] (Position position) const throw (Exception::IndexOverflow)
	Constant array-like access to the components.
static const TVector4 &	getZero ()
	Return a vector with all components 0.
static const TVector4 &	getUnit ()
	Return a vector with all components 1.

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Detailed Description

template<typename T>
class BALL::TVector4< T >

Generic Four-Dimensional Vector.

Representation of points and vectors in four-dimensional space.