template<class T = double>
class ROOT::Math::Cartesian2D< T >

Class describing a 2D cartesian coordinate system (x, y coordinates)

See also: Overview of the physics vector library

Definition at line 39 of file Cartesian2D.h.

Public Types
typedef T	Scalar

Public Member Functions
	Cartesian2D ()
	Default constructor with x=y=0.

	Cartesian2D (const Cartesian2D &v)
	copy constructor

template<class CoordSystem >
	Cartesian2D (const CoordSystem &v)
	Construct from any Vector or coordinate system implementing X() and Y()

template<class T2 >
	Cartesian2D (const Polar2D< T2 > &v)

	Cartesian2D (Scalar xx, Scalar yy)
	Constructor from x,y coordinates.

void	GetCoordinates (Scalar &xx, Scalar &yy) const
	get internal data into 2 Scalar numbers

Scalar	Mag2 () const

void	Negate ()
	negate the vector

bool	operator!= (const Cartesian2D &rhs) const

Cartesian2D &	operator= (const Cartesian2D &v)
	assignment operator

template<class CoordSystem >
Cartesian2D &	operator= (const CoordSystem &v)
	Assignment from any class implementing x(),y() (can assign from any coordinate system)

template<class T2 >
Cartesian2D &	operator= (const Polar2D< T2 > &v)

bool	operator== (const Cartesian2D &rhs) const
	Exact equality.

Scalar	Phi () const

Scalar	R () const

void	Rotate (Scalar angle)
	rotate by an angle

void	Scale (Scalar a)
	scale the vector by a scalar quantity a

void	SetCoordinates (Scalar xx, Scalar yy)
	Set internal data based on 2 Scalar numbers.

void	SetX (Scalar a)
	set the x coordinate value keeping y constant

void	SetXY (Scalar xx, Scalar yy)
	set all values using cartesian coordinates

void	SetY (Scalar a)
	set the y coordinate value keeping x constant

Scalar	X () const

Scalar	x () const

Scalar	Y () const

Scalar	y () const

Private Attributes
T	fX
	(Contiguous) data containing the coordinates values x and y

T	fY

#include <Math/GenVector/Cartesian2D.h>

Member Typedef Documentation

◆ Scalar

template<class T = double>

typedef T ROOT::Math::Cartesian2D< T >::Scalar

Definition at line 43 of file Cartesian2D.h.

Constructor & Destructor Documentation

◆ Cartesian2D() [1/5]

template<class T = double>

ROOT::Math::Cartesian2D< T >::Cartesian2D ( )

inline

Default constructor with x=y=0.

Definition at line 48 of file Cartesian2D.h.

◆ Cartesian2D() [2/5]

template<class T = double>

ROOT::Math::Cartesian2D< T >::Cartesian2D	(	Scalar	xx,
		Scalar	yy
	)

inline

Constructor from x,y coordinates.

Definition at line 53 of file Cartesian2D.h.

◆ Cartesian2D() [3/5]

template<class T = double>

template<class CoordSystem >

ROOT::Math::Cartesian2D< T >::Cartesian2D ( const CoordSystem & v )

inlineexplicit

Construct from any Vector or coordinate system implementing X() and Y()

Definition at line 60 of file Cartesian2D.h.

◆ Cartesian2D() [4/5]

template<class T = double>

ROOT::Math::Cartesian2D< T >::Cartesian2D ( const Cartesian2D< T > & v )

inline

copy constructor

Definition at line 69 of file Cartesian2D.h.

◆ Cartesian2D() [5/5]

template<class T = double>

template<class T2 >

ROOT::Math::Cartesian2D< T >::Cartesian2D ( const Polar2D< T2 > & v )

inlineexplicit

Definition at line 166 of file Cartesian2D.h.

Member Function Documentation

◆ GetCoordinates()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::GetCoordinates	(	Scalar &	xx,
		Scalar &	yy
	)		const

inline

get internal data into 2 Scalar numbers

Definition at line 89 of file Cartesian2D.h.

◆ Mag2()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::Mag2 ( ) const

inline

Definition at line 93 of file Cartesian2D.h.

◆ Negate()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::Negate ( )

inline

negate the vector

Definition at line 123 of file Cartesian2D.h.

◆ operator!=()

template<class T = double>

bool ROOT::Math::Cartesian2D< T >::operator!= ( const Cartesian2D< T > & rhs ) const

inline

Definition at line 153 of file Cartesian2D.h.

◆ operator=() [1/3]

template<class T = double>

Cartesian2D & ROOT::Math::Cartesian2D< T >::operator= ( const Cartesian2D< T > & v )

inline

assignment operator

Definition at line 75 of file Cartesian2D.h.

◆ operator=() [2/3]

template<class T = double>

template<class CoordSystem >

Cartesian2D & ROOT::Math::Cartesian2D< T >::operator= ( const CoordSystem & v )

inline

Assignment from any class implementing x(),y() (can assign from any coordinate system)

Definition at line 141 of file Cartesian2D.h.

◆ operator=() [3/3]

template<class T = double>

template<class T2 >

Cartesian2D & ROOT::Math::Cartesian2D< T >::operator= ( const Polar2D< T2 > & v )

inline

Definition at line 181 of file Cartesian2D.h.

◆ operator==()

template<class T = double>

bool ROOT::Math::Cartesian2D< T >::operator== ( const Cartesian2D< T > & rhs ) const

inline

Exact equality.

Definition at line 150 of file Cartesian2D.h.

◆ Phi()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::Phi ( ) const

inline

Definition at line 95 of file Cartesian2D.h.

◆ R()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::R ( ) const

inline

Definition at line 94 of file Cartesian2D.h.

◆ Rotate()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::Rotate ( Scalar angle )

inline

rotate by an angle

Definition at line 128 of file Cartesian2D.h.

◆ Scale()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::Scale ( Scalar a )

inline

scale the vector by a scalar quantity a

Definition at line 118 of file Cartesian2D.h.

◆ SetCoordinates()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::SetCoordinates	(	Scalar	xx,
		Scalar	yy
	)

inline

Set internal data based on 2 Scalar numbers.

Definition at line 84 of file Cartesian2D.h.

◆ SetX()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::SetX ( Scalar a )

inline

set the x coordinate value keeping y constant

Definition at line 100 of file Cartesian2D.h.

◆ SetXY()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::SetXY	(	Scalar	xx,
		Scalar	yy
	)

inline

set all values using cartesian coordinates

Definition at line 110 of file Cartesian2D.h.

◆ SetY()

template<class T = double>

void ROOT::Math::Cartesian2D< T >::SetY ( Scalar a )

inline

set the y coordinate value keeping x constant

Definition at line 105 of file Cartesian2D.h.

◆ X()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::X ( ) const

inline

Definition at line 91 of file Cartesian2D.h.

◆ x()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::x ( ) const

inline

Definition at line 160 of file Cartesian2D.h.

◆ Y()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::Y ( ) const

inline

Definition at line 92 of file Cartesian2D.h.

◆ y()

template<class T = double>

Scalar ROOT::Math::Cartesian2D< T >::y ( ) const

inline

Definition at line 161 of file Cartesian2D.h.

Member Data Documentation

◆ fX

template<class T = double>

T ROOT::Math::Cartesian2D< T >::fX

private

(Contiguous) data containing the coordinates values x and y

Definition at line 209 of file Cartesian2D.h.

◆ fY

template<class T = double>

T ROOT::Math::Cartesian2D< T >::fY

private

Definition at line 210 of file Cartesian2D.h.

math/genvector/inc/Math/GenVector/Cartesian2D.h

Public Types

Public Member Functions

Private Attributes

Member Typedef Documentation

◆ Scalar

Constructor & Destructor Documentation

◆ Cartesian2D() [1/5]

◆ Cartesian2D() [2/5]

◆ Cartesian2D() [3/5]

◆ Cartesian2D() [4/5]

◆ Cartesian2D() [5/5]

Member Function Documentation

◆ GetCoordinates()

◆ Mag2()

◆ Negate()

◆ operator!=()

◆ operator=() [1/3]

◆ operator=() [2/3]

◆ operator=() [3/3]

◆ operator==()

◆ Phi()

◆ R()

◆ Rotate()

◆ Scale()

◆ SetCoordinates()

◆ SetX()

◆ SetXY()

◆ SetY()

◆ X()

◆ x()

◆ Y()

◆ y()

Member Data Documentation

◆ fX

◆ fY