Class representing a Lorentz Boost along the X axis, by beta.

For efficiency, gamma is held as well.

Definition at line 37 of file BoostX.h.

Public Types
enum	ELorentzRotationMatrixIndex { kLXX = 0, kLXY = 1, kLXZ = 2, kLXT = 3, kLYX = 4, kLYY = 5, kLYZ = 6, kLYT = 7, kLZX = 8, kLZY = 9, kLZZ = 10, kLZT = 11, kLTX = 12, kLTY = 13, kLTZ = 14, kLTT = 15 }

enum	EBoostMatrixIndex { kXX = 0, kXY = 1, kXZ = 2, kXT = 3, kYY = 4, kYZ = 5, kYT = 6, kZZ = 7, kZT = 8, kTT = 9 }

typedef double	Scalar

typedef DisplacementVector3D< Cartesian3D< double >, DefaultCoordinateSystemTag >	XYZVector
	The beta vector for this boost. More...

Public Member Functions
	BoostX ()
	Default constructor (identity transformation) More...

	BoostX (Scalar beta_x)
	Construct given a Scalar beta_x. More...

void	Rectify ()
	Re-adjust components to eliminate small deviations from a perfect orthosyplectic matrix. More...

void	SetComponents (Scalar beta_x)
	Set components from a Scalar beta_x. More...

void	GetComponents (Scalar &beta_x) const
	Get components into a Scalar beta_x. More...

Scalar	Beta () const
	Retrieve the beta of the Boost. More...

Scalar	Gamma () const
	Retrieve the gamma of the Boost. More...

void	SetBeta (Scalar beta)
	Set the given beta of the Boost. More...

XYZVector	BetaVector () const

void	GetLorentzRotation (Scalar r[]) const
	Get elements of internal 4x4 symmetric representation, into a data array suitable for direct use as the components of a LorentzRotation Note – 16 Scalars will be written into the array; if the array is not that large, then this will lead to undefined behavior. More...

LorentzVector< ROOT::Math::PxPyPzE4D< double > >	operator() (const LorentzVector< ROOT::Math::PxPyPzE4D< double > > &v) const
	Lorentz transformation operation on a Minkowski ('Cartesian') LorentzVector. More...

template<class CoordSystem >
LorentzVector< CoordSystem >	operator() (const LorentzVector< CoordSystem > &v) const
	Lorentz transformation operation on a LorentzVector in any coordinate system. More...

template<class Foreign4Vector >
Foreign4Vector	operator() (const Foreign4Vector &v) const
	Lorentz transformation operation on an arbitrary 4-vector v. More...

template<class A4Vector >
A4Vector	operator* (const A4Vector &v) const
	Overload operator * for operation on a vector. More...

void	Invert ()
	Invert a BoostX in place. More...

BoostX	Inverse () const
	Return inverse of a boost. More...

bool	operator== (const BoostX &rhs) const
	Equality/inequality operators. More...

bool	operator!= (const BoostX &rhs) const

Private Attributes
Scalar	fBeta

Scalar	fGamma

#include <Math/GenVector/BoostX.h>

Member Typedef Documentation

typedef double ROOT::Math::BoostX::Scalar

Definition at line 41 of file BoostX.h.

typedef DisplacementVector3D<Cartesian3D<double>, DefaultCoordinateSystemTag > ROOT::Math::BoostX::XYZVector

The beta vector for this boost.

Definition at line 111 of file BoostX.h.

Constructor & Destructor Documentation

ROOT::Math::BoostX::BoostX ( )

Default constructor (identity transformation)

Definition at line 31 of file BoostX.cxx.

ROOT::Math::BoostX::BoostX ( Scalar beta_x )

inlineexplicit

Construct given a Scalar beta_x.

Definition at line 67 of file BoostX.h.

Member Function Documentation

Scalar ROOT::Math::BoostX::Beta ( ) const

inline

Retrieve the beta of the Boost.

Definition at line 96 of file BoostX.h.

Referenced by main(), and ROOT::Math::operator<<().

DisplacementVector3D< Cartesian3D< BoostX::Scalar > > ROOT::Math::BoostX::BetaVector ( ) const

Definition at line 51 of file BoostX.cxx.

Referenced by ROOT::Math::Boost::Boost().

Scalar ROOT::Math::BoostX::Gamma ( ) const

inline

Retrieve the gamma of the Boost.

Definition at line 101 of file BoostX.h.

Referenced by main(), and ROOT::Math::operator<<().

void ROOT::Math::BoostX::GetComponents ( Scalar & beta_x ) const

Get components into a Scalar beta_x.

Definition at line 45 of file BoostX.cxx.

void ROOT::Math::BoostX::GetLorentzRotation ( Scalar r[] ) const

Get elements of internal 4x4 symmetric representation, into a data array suitable for direct use as the components of a LorentzRotation Note – 16 Scalars will be written into the array; if the array is not that large, then this will lead to undefined behavior.

Definition at line 56 of file BoostX.cxx.

Referenced by ROOT::Math::LorentzRotation::LorentzRotation().

BoostX ROOT::Math::BoostX::Inverse ( ) const

Return inverse of a boost.

Definition at line 99 of file BoostX.cxx.

void ROOT::Math::BoostX::Invert ( )

Invert a BoostX in place.

Definition at line 94 of file BoostX.cxx.

Referenced by Inverse().

bool ROOT::Math::BoostX::operator!= ( const BoostX & rhs ) const

inline

Definition at line 186 of file BoostX.h.

LorentzVector< PxPyPzE4D< double > > ROOT::Math::BoostX::operator() ( const LorentzVector< ROOT::Math::PxPyPzE4D< double > > & v ) const

Lorentz transformation operation on a Minkowski ('Cartesian') LorentzVector.

Definition at line 83 of file BoostX.cxx.

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

template<class CoordSystem >

LorentzVector<CoordSystem> ROOT::Math::BoostX::operator() ( const LorentzVector< CoordSystem > & v ) const

inline

Lorentz transformation operation on a LorentzVector in any coordinate system.

Definition at line 138 of file BoostX.h.

template<class Foreign4Vector >

Foreign4Vector ROOT::Math::BoostX::operator() ( const Foreign4Vector & v ) const

inline

Lorentz transformation operation on an arbitrary 4-vector v.

Preconditions: v must implement methods x(), y(), z(), and t() and the arbitrary vector type must have a constructor taking (x,y,z,t)

Definition at line 151 of file BoostX.h.

template<class A4Vector >

A4Vector ROOT::Math::BoostX::operator* ( const A4Vector & v ) const

inline

Overload operator * for operation on a vector.

Definition at line 162 of file BoostX.h.

bool ROOT::Math::BoostX::operator== ( const BoostX & rhs ) const

inline

Equality/inequality operators.

Definition at line 180 of file BoostX.h.

Referenced by operator!=().

void ROOT::Math::BoostX::Rectify ( )

Re-adjust components to eliminate small deviations from a perfect orthosyplectic matrix.

Definition at line 64 of file BoostX.cxx.

void ROOT::Math::BoostX::SetBeta ( Scalar beta )

inline

Set the given beta of the Boost.

Definition at line 106 of file BoostX.h.

void ROOT::Math::BoostX::SetComponents ( Scalar beta_x )

Set components from a Scalar beta_x.

Definition at line 33 of file BoostX.cxx.

Referenced by BoostX(), Rectify(), and SetBeta().

Member Data Documentation

Scalar ROOT::Math::BoostX::fBeta

private

Definition at line 192 of file BoostX.h.

Referenced by Beta(), BetaVector(), GetComponents(), GetLorentzRotation(), Invert(), operator()(), operator==(), Rectify(), and SetComponents().

Scalar ROOT::Math::BoostX::fGamma

private

Definition at line 193 of file BoostX.h.

Referenced by Gamma(), GetLorentzRotation(), operator()(), operator==(), Rectify(), and SetComponents().

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

math/genvector/inc/Math/GenVector/BoostX.h
math/genvector/src/BoostX.cxx

Public Types

Public Member Functions

Private Attributes

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation