template<class ScalarType = double>
class ROOT::Math::PxPyPzE4D< ScalarType >

Class describing a 4D cartesian coordinate system (x, y, z, t coordinates) or momentum-energy vectors stored as (Px, Py, Pz, E).

The metric used is (-,-,-,+)

See also: Physics Vectors

Definition at line 44 of file PxPyPzE4D.h.

Public Types
typedef ScalarType	Scalar

Public Member Functions
constexpr	PxPyPzE4D () noexcept=default
	Default constructor with x=y=z=t=0.

template<class CoordSystem >
constexpr	PxPyPzE4D (const CoordSystem &v)
	construct from any vector or coordinate system class implementing x(), y() and z() and t()

constexpr	PxPyPzE4D (Scalar px, Scalar py, Scalar pz, Scalar e) noexcept
	Constructor from x, y , z , t values.

Scalar	E () const

Scalar	Et () const
	transverse energy

Scalar	Et2 () const
	transverse energy squared

Scalar	Eta () const
	pseudorapidity

void	GetCoordinates (Scalar &px, Scalar &py, Scalar &pz, Scalar &e) const
	get internal data into 4 Scalar numbers

void	GetCoordinates (Scalar dest[]) const
	get internal data into an array of 4 Scalar numbers

Scalar	M () const
	invariant mass

Scalar	M2 () const
	vector magnitude squared (or mass squared)

Scalar	Mag () const

Scalar	Mag2 () const

Scalar	Mt () const
	transverse mass

Scalar	Mt2 () const
	transverse mass squared

void	Negate ()
	negate the 4-vector

bool	operator!= (const PxPyPzE4D &rhs) const

template<class AnyCoordSystem >
PxPyPzE4D &	operator= (const AnyCoordSystem &v)
	Assignment from a generic coordinate system implementing x(), y(), z() and t()

bool	operator== (const PxPyPzE4D &rhs) const
	Exact equality.

Scalar	P () const
	magnitude of spatial components (magnitude of 3-momentum)

Scalar	P2 () const
	squared magnitude of spatial components

Scalar	Perp () const

Scalar	Perp2 () const

Scalar	Phi () const
	azimuthal angle

Scalar	Pt () const
	Transverse spatial component (P_perp or rho)

Scalar	Pt2 () const
	transverse spatial component squared

Scalar	Px () const

Scalar	Py () const

Scalar	Pz () const

Scalar	R () const

Scalar	Rho () const

void	Scale (const Scalar &a)
	scale coordinate values by a scalar quantity a

void	SetCoordinates (const Scalar src[])
	Set internal data based on an array of 4 Scalar numbers.

void	SetCoordinates (Scalar px, Scalar py, Scalar pz, Scalar e)
	Set internal data based on 4 Scalar numbers.

void	SetE (Scalar e)
	set T value

void	SetPx (Scalar px)
	set X value

void	SetPxPyPzE (Scalar px, Scalar py, Scalar pz, Scalar e)
	set all values using cartesian coordinates

void	SetPy (Scalar py)
	set Y value

void	SetPz (Scalar pz)
	set Z value

Scalar	T () const

Scalar	t () const

Scalar	Theta () const
	polar angle

Scalar	X () const

Scalar	x () const

Scalar	Y () const

Scalar	y () const

Scalar	Z () const

Scalar	z () const

Static Public Attributes
static constexpr unsigned int	Dimension = 4U

Private Attributes
ScalarType	fT = 0

ScalarType	fX = 0
	(contiguous) data containing the coordinate values x,y,z,t

ScalarType	fY = 0

ScalarType	fZ = 0

#include <Math/GenVector/PxPyPzE4D.h>

Member Typedef Documentation

◆ Scalar

template<class ScalarType = double>

typedef ScalarType ROOT::Math::PxPyPzE4D< ScalarType >::Scalar

Definition at line 48 of file PxPyPzE4D.h.

Constructor & Destructor Documentation

◆ PxPyPzE4D() [1/3]

template<class ScalarType = double>

constexpr ROOT::Math::PxPyPzE4D< ScalarType >::PxPyPzE4D ( )

constexprdefaultnoexcept

Default constructor with x=y=z=t=0.

◆ PxPyPzE4D() [2/3]

template<class ScalarType = double>

constexpr ROOT::Math::PxPyPzE4D< ScalarType >::PxPyPzE4D	(	Scalar	px,
		Scalar	py,
		Scalar	pz,
		Scalar	e )

inlineconstexprnoexcept

Constructor from x, y , z , t values.

Definition at line 61 of file PxPyPzE4D.h.

◆ PxPyPzE4D() [3/3]

template<class ScalarType = double>

template<class CoordSystem >

constexpr ROOT::Math::PxPyPzE4D< ScalarType >::PxPyPzE4D ( const CoordSystem & v )

inlineexplicitconstexpr

construct from any vector or coordinate system class implementing x(), y() and z() and t()

Definition at line 68 of file PxPyPzE4D.h.

Member Function Documentation

◆ E()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::E ( ) const

inline

Definition at line 102 of file PxPyPzE4D.h.

◆ Et()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Et ( ) const

inline

transverse energy

Definition at line 192 of file PxPyPzE4D.h.

◆ Et2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Et2 ( ) const

inline

transverse energy squared

Definition at line 183 of file PxPyPzE4D.h.

◆ Eta()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Eta ( ) const

inline

pseudorapidity

Definition at line 211 of file PxPyPzE4D.h.

◆ GetCoordinates() [1/2]

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::GetCoordinates	(	Scalar &	px,
		Scalar &	py,
		Scalar &	pz,
		Scalar &	e ) const

inline

get internal data into 4 Scalar numbers

Definition at line 92 of file PxPyPzE4D.h.

◆ GetCoordinates() [2/2]

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::GetCoordinates ( Scalar dest[] ) const

inline

get internal data into an array of 4 Scalar numbers

Definition at line 80 of file PxPyPzE4D.h.

◆ M()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::M ( ) const

inline

invariant mass

Definition at line 131 of file PxPyPzE4D.h.

◆ M2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::M2 ( ) const

inline

vector magnitude squared (or mass squared)

Definition at line 125 of file PxPyPzE4D.h.

◆ Mag()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Mag ( ) const

inline

Definition at line 144 of file PxPyPzE4D.h.

◆ Mag2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Mag2 ( ) const

inline

Definition at line 126 of file PxPyPzE4D.h.

◆ Mt()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Mt ( ) const

inline

transverse mass

Definition at line 167 of file PxPyPzE4D.h.

◆ Mt2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Mt2 ( ) const

inline

transverse mass squared

Definition at line 162 of file PxPyPzE4D.h.

◆ Negate()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::Negate ( )

inline

negate the 4-vector

Definition at line 260 of file PxPyPzE4D.h.

◆ operator!=()

template<class ScalarType = double>

bool ROOT::Math::PxPyPzE4D< ScalarType >::operator!= ( const PxPyPzE4D< ScalarType > & rhs ) const

inline

Definition at line 291 of file PxPyPzE4D.h.

◆ operator=()

template<class ScalarType = double>

template<class AnyCoordSystem >

PxPyPzE4D & ROOT::Math::PxPyPzE4D< ScalarType >::operator= ( const AnyCoordSystem & v )

inline

Assignment from a generic coordinate system implementing x(), y(), z() and t()

Definition at line 277 of file PxPyPzE4D.h.

◆ operator==()

template<class ScalarType = double>

bool ROOT::Math::PxPyPzE4D< ScalarType >::operator== ( const PxPyPzE4D< ScalarType > & rhs ) const

inline

Exact equality.

Definition at line 288 of file PxPyPzE4D.h.

◆ P()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::P ( ) const

inline

magnitude of spatial components (magnitude of 3-momentum)

Definition at line 119 of file PxPyPzE4D.h.

◆ P2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::P2 ( ) const

inline

squared magnitude of spatial components

Definition at line 114 of file PxPyPzE4D.h.

◆ Perp()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Perp ( ) const

inline

Definition at line 156 of file PxPyPzE4D.h.

◆ Perp2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Perp2 ( ) const

inline

Definition at line 150 of file PxPyPzE4D.h.

◆ Phi()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Phi ( ) const

inline

azimuthal angle

Definition at line 201 of file PxPyPzE4D.h.

◆ Pt()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Pt ( ) const

inline

Transverse spatial component (P_perp or rho)

Definition at line 155 of file PxPyPzE4D.h.

◆ Pt2()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Pt2 ( ) const

inline

transverse spatial component squared

Definition at line 149 of file PxPyPzE4D.h.

◆ Px()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Px ( ) const

inline

Definition at line 99 of file PxPyPzE4D.h.

◆ Py()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Py ( ) const

inline

Definition at line 100 of file PxPyPzE4D.h.

◆ Pz()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Pz ( ) const

inline

Definition at line 101 of file PxPyPzE4D.h.

◆ R()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::R ( ) const

inline

Definition at line 120 of file PxPyPzE4D.h.

◆ Rho()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Rho ( ) const

inline

Definition at line 157 of file PxPyPzE4D.h.

◆ Scale()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::Scale ( const Scalar & a )

inline

scale coordinate values by a scalar quantity a

Definition at line 265 of file PxPyPzE4D.h.

◆ SetCoordinates() [1/2]

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetCoordinates ( const Scalar src[] )

inline

Set internal data based on an array of 4 Scalar numbers.

Definition at line 74 of file PxPyPzE4D.h.

◆ SetCoordinates() [2/2]

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetCoordinates	(	Scalar	px,
		Scalar	py,
		Scalar	pz,
		Scalar	e )

inline

Set internal data based on 4 Scalar numbers.

Definition at line 86 of file PxPyPzE4D.h.

◆ SetE()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetE ( Scalar e )

inline

set T value

Definition at line 239 of file PxPyPzE4D.h.

◆ SetPx()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetPx ( Scalar px )

inline

set X value

Definition at line 221 of file PxPyPzE4D.h.

◆ SetPxPyPzE()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetPxPyPzE	(	Scalar	px,
		Scalar	py,
		Scalar	pz,
		Scalar	e )

inline

set all values using cartesian coordinates

Definition at line 246 of file PxPyPzE4D.h.

◆ SetPy()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetPy ( Scalar py )

inline

set Y value

Definition at line 227 of file PxPyPzE4D.h.

◆ SetPz()

template<class ScalarType = double>

void ROOT::Math::PxPyPzE4D< ScalarType >::SetPz ( Scalar pz )

inline

set Z value

Definition at line 233 of file PxPyPzE4D.h.

◆ T()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::T ( ) const

inline

Definition at line 107 of file PxPyPzE4D.h.

◆ t()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::t ( ) const

inline

Definition at line 301 of file PxPyPzE4D.h.

◆ Theta()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Theta ( ) const

inline

polar angle

Definition at line 206 of file PxPyPzE4D.h.

◆ X()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::X ( ) const

inline

Definition at line 104 of file PxPyPzE4D.h.

◆ x()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::x ( ) const

inline

Definition at line 298 of file PxPyPzE4D.h.

◆ Y()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Y ( ) const

inline

Definition at line 105 of file PxPyPzE4D.h.

◆ y()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::y ( ) const

inline

Definition at line 299 of file PxPyPzE4D.h.

◆ Z()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::Z ( ) const

inline

Definition at line 106 of file PxPyPzE4D.h.

◆ z()

template<class ScalarType = double>

Scalar ROOT::Math::PxPyPzE4D< ScalarType >::z ( ) const

inline

Definition at line 300 of file PxPyPzE4D.h.

Member Data Documentation

◆ Dimension

template<class ScalarType = double>

constexpr unsigned int ROOT::Math::PxPyPzE4D< ScalarType >::Dimension = 4U

staticconstexpr

Definition at line 49 of file PxPyPzE4D.h.

◆ fT

template<class ScalarType = double>

ScalarType ROOT::Math::PxPyPzE4D< ScalarType >::fT = 0

private

Definition at line 328 of file PxPyPzE4D.h.

◆ fX

template<class ScalarType = double>

ScalarType ROOT::Math::PxPyPzE4D< ScalarType >::fX = 0

private

(contiguous) data containing the coordinate values x,y,z,t

Definition at line 325 of file PxPyPzE4D.h.

◆ fY

template<class ScalarType = double>

ScalarType ROOT::Math::PxPyPzE4D< ScalarType >::fY = 0

private

Definition at line 326 of file PxPyPzE4D.h.

◆ fZ

template<class ScalarType = double>

ScalarType ROOT::Math::PxPyPzE4D< ScalarType >::fZ = 0

private

Definition at line 327 of file PxPyPzE4D.h.

math/genvector/inc/Math/GenVector/PxPyPzE4D.h

Public Types

Public Member Functions

Static Public Attributes

Private Attributes

Member Typedef Documentation

◆ Scalar

Constructor & Destructor Documentation

◆ PxPyPzE4D() [1/3]

◆ PxPyPzE4D() [2/3]

◆ PxPyPzE4D() [3/3]

Member Function Documentation

◆ E()

◆ Et()

◆ Et2()

◆ Eta()

◆ GetCoordinates() [1/2]

◆ GetCoordinates() [2/2]

◆ M()

◆ M2()

◆ Mag()

◆ Mag2()

◆ Mt()

◆ Mt2()

◆ Negate()

◆ operator!=()

◆ operator=()

◆ operator==()

◆ P()

◆ P2()

◆ Perp()

◆ Perp2()

◆ Phi()

◆ Pt()

◆ Pt2()

◆ Px()

◆ Py()

◆ Pz()

◆ R()

◆ Rho()

◆ Scale()

◆ SetCoordinates() [1/2]

◆ SetCoordinates() [2/2]

◆ SetE()

◆ SetPx()

◆ SetPxPyPzE()

◆ SetPy()

◆ SetPz()

◆ T()

◆ t()

◆ Theta()

◆ X()

◆ x()

◆ Y()

◆ y()

◆ Z()

◆ z()

Member Data Documentation

◆ Dimension

◆ fT

◆ fX

◆ fY

◆ fZ