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LSST Data Management Base Package
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lsst::jointcal::Point Class Reference

A point in a plane. More...

#include <Point.h>

Inheritance diagram for lsst::jointcal::Point:
lsst::jointcal::FatPoint lsst::jointcal::BaseStar lsst::jointcal::FittedStar lsst::jointcal::MeasuredStar lsst::jointcal::RefStar

Public Member Functions

virtual ~Point ()=default
 
 Point ()
 
 Point (double xx, double yy)
 
double Distance (const Point &other) const
 

 
double computeDist2 (const Point &other) const
 distance squared to other
 
Point operator+ (const Point &Right) const
 Sum.
 
Point operator- (const Point &Right) const
 Difference.
 
virtual void print (std::ostream &s=std::cout) const
 

Public Attributes

double x
 coordinate
 
double y
 

Friends

std::ostreamoperator<< (std::ostream &stream, const Point &point)
 

Detailed Description

A point in a plane.

Definition at line 37 of file Point.h.

Constructor & Destructor Documentation

◆ ~Point()

virtual lsst::jointcal::Point::~Point ( )
virtualdefault

◆ Point() [1/2]

lsst::jointcal::Point::Point ( )
inline
  • contructor

Definition at line 45 of file Point.h.

45: x(0), y(0){};
double x
coordinate
Definition Point.h:42

◆ Point() [2/2]

lsst::jointcal::Point::Point ( double xx,
double yy )
inline
  • contructor

Definition at line 48 of file Point.h.

48: x(xx), y(yy){};

Member Function Documentation

◆ computeDist2()

double lsst::jointcal::Point::computeDist2 ( const Point & other) const
inline

distance squared to other

Definition at line 56 of file Point.h.

56 {
57 return ((x - other.x) * (x - other.x) + (y - other.y) * (y - other.y));
58 };

◆ Distance()

double lsst::jointcal::Point::Distance ( const Point & other) const
inline

Definition at line 51 of file Point.h.

51 {
52 return sqrt((x - other.x) * (x - other.x) + (y - other.y) * (y - other.y));
53 };
T sqrt(T... args)

◆ operator+()

Point lsst::jointcal::Point::operator+ ( const Point & Right) const
inline

Sum.

Definition at line 61 of file Point.h.

61{ return Point(x + Right.x, y + Right.y); }

◆ operator-()

Point lsst::jointcal::Point::operator- ( const Point & Right) const
inline

Difference.

Definition at line 64 of file Point.h.

64{ return Point(x - Right.x, y - Right.y); }

◆ print()

virtual void lsst::jointcal::Point::print ( std::ostream & s = std::cout) const
inlinevirtual

Reimplemented in lsst::jointcal::BaseStar, lsst::jointcal::FatPoint, lsst::jointcal::FittedStar, and lsst::jointcal::MeasuredStar.

Definition at line 66 of file Point.h.

66 {
67 s << std::setprecision(15) << "x: " << x << " y: " << y;
68 }
T setprecision(T... args)

Friends And Related Symbol Documentation

◆ operator<<

std::ostream & operator<< ( std::ostream & stream,
const Point & point )
friend

Definition at line 70 of file Point.h.

70 {
71 point.print(stream);
72 return stream;
73 }

Member Data Documentation

◆ x

double lsst::jointcal::Point::x

coordinate

Definition at line 42 of file Point.h.

◆ y

double lsst::jointcal::Point::y

Definition at line 42 of file Point.h.


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