fastjet::Coord2D Class Reference

class for representing 2d coordinates and carrying out some basic operations on them More...

#include <ClosestPair2DBase.hh>

List of all members.

Public Member Functions
	Coord2D ()
	Coord2D (double a, double b)
Coord2D	operator- (const Coord2D &other) const
	return the vector difference between two coordinates
Coord2D	operator+ (const Coord2D &other) const
	return the vector sum between two coordinates
Coord2D	operator* (double factor) const
	return the product of the coordinate with the factor
Coord2D	operator/ (double divisor) const
	division of each component of coordinate
double	distance2 (const Coord2D &b) const
	return the squared distance between two coordinates
Public Attributes
double	x
double	y
Friends
Coord2D	operator* (double factor, const Coord2D &coord)
double	distance2 (const Coord2D &a, const Coord2D &b)
	return the squared distance between two coordinates

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Detailed Description

class for representing 2d coordinates and carrying out some basic operations on them

Definition at line 42 of file ClosestPair2DBase.hh.

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Constructor & Destructor Documentation

fastjet::Coord2D::Coord2D

(

)

[inline]

Definition at line 46 of file ClosestPair2DBase.hh.

{};

fastjet::Coord2D::Coord2D	(	double	a,
		double	b
	)		[inline]

Definition at line 48 of file ClosestPair2DBase.hh.

: x(a), y(b) {};

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Member Function Documentation

double fastjet::Coord2D::distance2

(

const Coord2D &

b

)

const [inline]

return the squared distance between two coordinates

Definition at line 74 of file ClosestPair2DBase.hh.

References x, y, and fastjet::d0::inline_maths::y().

                                            {
    double dx = x - b.x, dy = y-b.y;
    return dx*dx+dy*dy;
  };

Coord2D fastjet::Coord2D::operator*

(

double

factor

)

const [inline]

return the product of the coordinate with the factor

Definition at line 59 of file ClosestPair2DBase.hh.

References fastjet::d0::inline_maths::y().

{return Coord2D(factor*x,factor*y);};

Coord2D fastjet::Coord2D::operator+

(

const Coord2D &

other

)

const [inline]

return the vector sum between two coordinates

Definition at line 55 of file ClosestPair2DBase.hh.

References x, y, and fastjet::d0::inline_maths::y().

                                                 {
    return Coord2D(x + other.x,  y + other.y);};

Coord2D fastjet::Coord2D::operator-

(

const Coord2D &

other

)

const [inline]

return the vector difference between two coordinates

Definition at line 51 of file ClosestPair2DBase.hh.

References x, y, and fastjet::d0::inline_maths::y().

                                                 {
    return Coord2D(x - other.x,  y - other.y);};

Coord2D fastjet::Coord2D::operator/

(

double

divisor

)

const [inline]

division of each component of coordinate

Definition at line 65 of file ClosestPair2DBase.hh.

References fastjet::d0::inline_maths::y().

                                          {
    return Coord2D(x / divisor,  y / divisor);};

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Friends And Related Function Documentation

double distance2	(	const Coord2D &	a,
		const Coord2D &	b
	)		[friend]

return the squared distance between two coordinates

Definition at line 69 of file ClosestPair2DBase.hh.

                                                                {
    double dx = a.x - b.x, dy = a.y-b.y;
    return dx*dx+dy*dy;
  };

Coord2D operator*	(	double	factor,
		const Coord2D &	coord
	)		[friend]

Definition at line 60 of file ClosestPair2DBase.hh.

                                                                 {
    return Coord2D(factor*coord.x,factor*coord.y);
  }

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Member Data Documentation

double fastjet::Coord2D::x

Definition at line 44 of file ClosestPair2DBase.hh.

Referenced by fastjet::ClosestPair2D::_initialize(), fastjet::ClosestPair2D::_point2shuffle(), distance2(), operator+(), and operator-().

double fastjet::Coord2D::y

Definition at line 44 of file ClosestPair2DBase.hh.

Referenced by fastjet::ClosestPair2D::_initialize(), fastjet::ClosestPair2D::_point2shuffle(), distance2(), fastjet::Private::make_mirror(), operator+(), and operator-().

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

• include/fastjet/internal/ClosestPair2DBase.hh