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LSST Data Management Base Package
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Point.h
Go to the documentation of this file.
1// -*- LSST-C++ -*-
2/*
3 * This file is part of jointcal.
4 *
5 * Developed for the LSST Data Management System.
6 * This product includes software developed by the LSST Project
7 * (https://www.lsst.org).
8 * See the COPYRIGHT file at the top-level directory of this distribution
9 * for details of code ownership.
10 *
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <https://www.gnu.org/licenses/>.
23 */
24
25#ifndef LSST_JOINTCAL_POINT_H
26#define LSST_JOINTCAL_POINT_H
27#include <iostream>
28#include <iomanip>
29#include <cmath>
30
31namespace lsst {
32namespace jointcal {
33
37class Point {
38public:
39 virtual ~Point() = default;
40
42 double x, y;
43
45 Point() : x(0), y(0){};
46
48 Point(double xx, double yy) : x(xx), y(yy){};
49
51 double Distance(const Point& other) const {
52 return sqrt((x - other.x) * (x - other.x) + (y - other.y) * (y - other.y));
53 };
54
56 double computeDist2(const Point& other) const {
57 return ((x - other.x) * (x - other.x) + (y - other.y) * (y - other.y));
58 };
59
61 Point operator+(const Point& Right) const { return Point(x + Right.x, y + Right.y); }
62
64 Point operator-(const Point& Right) const { return Point(x - Right.x, y - Right.y); }
65
66 virtual void print(std::ostream& s = std::cout) const {
67 s << std::setprecision(15) << "x: " << x << " y: " << y;
68 }
69
70 friend std::ostream& operator<<(std::ostream& stream, const Point& point) {
71 point.print(stream);
72 return stream;
73 }
74};
75
76std::ostream& operator<<(std::ostream& stream, const Point& point);
77} // namespace jointcal
78} // namespace lsst
79
80#endif // LSST_JOINTCAL_POINT_H
A point in a plane.
Definition Point.h:37
double x
coordinate
Definition Point.h:42
virtual void print(std::ostream &s=std::cout) const
Definition Point.h:66
friend std::ostream & operator<<(std::ostream &stream, const Point &point)
Definition Point.h:70
Point operator+(const Point &Right) const
Sum.
Definition Point.h:61
double computeDist2(const Point &other) const
distance squared to other
Definition Point.h:56
double Distance(const Point &other) const
Definition Point.h:51
Point(double xx, double yy)
Definition Point.h:48
Point operator-(const Point &Right) const
Difference.
Definition Point.h:64
virtual ~Point()=default
std::ostream & operator<<(std::ostream &stream, AstrometryMapping const &mapping)
T setprecision(T... args)
T sqrt(T... args)