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

For efficiency, gamma is held as well.

Definition at line 37 of file BoostY.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
	BoostY ()
	Default constructor (identity transformation) More...

	BoostY (Scalar beta_y)
	Construct given a Scalar beta_y. More...

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

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

void	GetComponents (Scalar &beta_y) const
	Get components into a Scalar beta_y. 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 rotation on a vector. More...

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

BoostY	Inverse () const
	Return inverse of a rotation. More...

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

bool	operator!= (const BoostY &rhs) const

Private Attributes
Scalar	fBeta

Scalar	fGamma

#include <Math/GenVector/BoostY.h>

Member Typedef Documentation

typedef double ROOT::Math::BoostY::Scalar

Definition at line 41 of file BoostY.h.

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

The beta vector for this boost.

Definition at line 111 of file BoostY.h.

Constructor & Destructor Documentation

ROOT::Math::BoostY::BoostY ( )

Default constructor (identity transformation)

Definition at line 30 of file BoostY.cxx.

ROOT::Math::BoostY::BoostY ( Scalar beta_y )

inlineexplicit

Construct given a Scalar beta_y.

Definition at line 67 of file BoostY.h.

Member Function Documentation

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

inline

Retrieve the beta of the Boost.

Definition at line 96 of file BoostY.h.

Referenced by ROOT::Math::operator<<().

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

Definition at line 50 of file BoostY.cxx.

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

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

inline

Retrieve the gamma of the Boost.

Definition at line 101 of file BoostY.h.

Referenced by ROOT::Math::operator<<().

void ROOT::Math::BoostY::GetComponents ( Scalar & beta_y ) const

Get components into a Scalar beta_y.

Definition at line 44 of file BoostY.cxx.

void ROOT::Math::BoostY::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 55 of file BoostY.cxx.

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

BoostY ROOT::Math::BoostY::Inverse ( ) const

Return inverse of a rotation.

Definition at line 98 of file BoostY.cxx.

void ROOT::Math::BoostY::Invert ( )

Invert a BoostY in place.

Definition at line 93 of file BoostY.cxx.

Referenced by Inverse().

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

inline

Definition at line 185 of file BoostY.h.

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

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

Definition at line 82 of file BoostY.cxx.

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

template<class CoordSystem >

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

inline

Lorentz transformation operation on a LorentzVector in any coordinate system.

Definition at line 138 of file BoostY.h.

template<class Foreign4Vector >

Foreign4Vector ROOT::Math::BoostY::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 BoostY.h.

template<class A4Vector >

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

inline

Overload operator * for rotation on a vector.

Definition at line 162 of file BoostY.h.

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

inline

Equality/inequality operators.

Definition at line 180 of file BoostY.h.

Referenced by operator!=().

void ROOT::Math::BoostY::Rectify ( )

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

Definition at line 63 of file BoostY.cxx.

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

inline

Set the given beta of the Boost.

Definition at line 106 of file BoostY.h.

void ROOT::Math::BoostY::SetComponents ( Scalar beta_y )

Set components from a Scalar beta_y.

Definition at line 32 of file BoostY.cxx.

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

Member Data Documentation

Scalar ROOT::Math::BoostY::fBeta

private

Definition at line 191 of file BoostY.h.

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

Scalar ROOT::Math::BoostY::fGamma

private

Definition at line 192 of file BoostY.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/BoostY.h
math/genvector/src/BoostY.cxx

Public Types

Public Member Functions

Private Attributes

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation