Point.h

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// -*- LSST-C++ -*-
/*
 * This file is part of jointcal.
 *
 * Developed for the LSST Data Management System.
 * This product includes software developed by the LSST Project
 * (https://www.lsst.org).
 * See the COPYRIGHT file at the top-level directory of this distribution
 * for details of code ownership.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef LSST_JOINTCAL_POINT_H
#define LSST_JOINTCAL_POINT_H
#include <iostream>
#include <iomanip>
#include <cmath>
 
namespace lsst {
namespace jointcal {


class Point {
public:
    virtual ~Point() = default;

    double x, y;

    Point() : x(0), y(0){};

    Point(double xx, double yy) : x(xx), y(yy){};

    double Distance(const Point& other) const {
        return sqrt((x - other.x) * (x - other.x) + (y - other.y) * (y - other.y));
    };

    double computeDist2(const Point& other) const {
        return ((x - other.x) * (x - other.x) + (y - other.y) * (y - other.y));
    };

    Point operator+(const Point& Right) const { return Point(x + Right.x, y + Right.y); }

    Point operator-(const Point& Right) const { return Point(x - Right.x, y - Right.y); }
 
    virtual void print(std::ostream& s = std::cout) const {
        s << std::setprecision(15) << "x: " << x << " y: " << y;
    }
 
    friend std::ostream& operator<<(std::ostream& stream, const Point& point) {
        point.print(stream);
        return stream;
    }
};
 
std::ostream& operator<<(std::ostream& stream, const Point& point);
}  // namespace jointcal
}  // namespace lsst
 
#endif  // LSST_JOINTCAL_POINT_H