A 3-component vector. More...

#include <ThreeVector.h>

Public Member Functions
Value2	mag2 () const
	Squared magnitude .

Value	mag () const
	Magnitude $\sqrt{x^2+y^2+z^2}$ .

Value2	perp2 () const
	Squared transverse component .

Value	perp () const
	Transverse component $\sqrt{x^2+y^2}$ .

template<typename U >
BinaryOpTraits< Value, U >::MulT	dot (const ThreeVector< U > &a) const
	Dot product.

template<typename U >
Value2	perp2 (const ThreeVector< U > &p) const
	Squared transverse component with respect to the given axis.

template<typename U >
Value	perp (const ThreeVector< U > &p) const
	Transverse component with respect to the given axis.

ThreeVector< double >	unit () const
	Parallel vector with unit length.

ThreeVector< Value >	orthogonal () const
	Orthogonal vector.

template<typename U >
double	deltaPhi (const ThreeVector< U > &v2) const
	Azimuthal angle difference, brought into the range $(-\pi,\pi]$ .

template<typename U >
ThreeVector< Value > &	rotate (double angle, const ThreeVector< U > &axis)
	Apply a rotation. More...

ThreeVector< Value > &	rotateUz (const Axis &axis)
	Rotate the reference frame to a new z-axis.

template<typename U >
ThreeVector< typename BinaryOpTraits< Value, U >::MulT >	cross (const ThreeVector< U > &a) const
	Vector cross-product.

template<typename U >
double	cosTheta (const ThreeVector< U > &q) const
	Cosine of the azimuthal angle between two vectors.

template<typename U >
double	angle (const ThreeVector< U > &v) const
	Angle between two vectors.

Constructors.
	ThreeVector ()

	ThreeVector (Value x, Value y, Value z)

template<typename ValueB >
	ThreeVector (const ThreeVector< ValueB > &v)

Component access methods.
Value	x () const

Value	y () const

Value	z () const

Component set methods.
void	setX (Value x)

void	setY (Value y)

void	setZ (Value z)

Spherical coordinates.
double	theta () const
	Polar angle.

double	phi () const
	Azimuthal angle.

void	setTheta (double th)
	Set the polar angle.

void	setPhi (double ph)
	Set the azimuthal angle.

Mathematical assignment operators.
ThreeVector< Value > &	operator+= (const ThreeVector< Value > &a)

ThreeVector< Value > &	operator-= (const ThreeVector< Value > &a)

ThreeVector< Value > &	*operator=** (double a)

ThreeVector< Value > &	operator/= (double a)

Private Types
typedef BinaryOpTraits< Value, Value >::MulT	Value2
	Value squared.

typedef BinaryOpTraits< Value2, Value2 >::MulT	Value4
	Value to the 4th power.

Private Attributes
Vector components
Value	theX

Value	theY

Value	theZ

Detailed Description

template<typename Value>
class ThePEG::ThreeVector< Value >

A 3-component vector.

It can be created with any unit type as template parameter. All basic mathematical operations are supported, as well as a subset of the CLHEP Vector3 functionality.

Definition at line 33 of file ThreeVector.h.

Member Function Documentation

template<typename Value>

template<typename U >

ThreeVector<Value>& ThePEG::ThreeVector< Value >::rotate	(	double	angle,
		const ThreeVector< U > &	axis
	)

inline

Apply a rotation.

Parameters

angle	Rotation angle in radians.
axis	Rotation axis.

Definition at line 180 of file ThreeVector.h.

References ThePEG::ThreeVector< Value >::mag().

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

ThreeVector.h

Public Member Functions

Private Types

Private Attributes

Detailed Description

template<typename Value> class ThePEG::ThreeVector< Value >

Member Function Documentation

template<typename Value>
class ThePEG::ThreeVector< Value >