/*
 * Copyright 2011 Steven Gribble
 *
 *  This file is the solution to an exercise problem posed during
 *  one of the UW CSE 333 lectures (333exercises).
 *
 *  333exercises 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.
 *
 *  333exercises 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 333exercises.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "./ThreeDPoint.h"

namespace threedp {

double ThreeDPoint::operator*(const ThreeDPoint &rhs) {
  double ip = x_ * rhs.x_;
  ip += y_ * rhs.y_;
  ip += z_ * rhs.z_;
  return ip;
}

ThreeDPoint &ThreeDPoint::operator=(const ThreeDPoint &rhs) {
  if (this != &rhs) {
    x_ = rhs.x_;
    y_ = rhs.y_;
    z_ = rhs.z_;
  }
  return *this;
}
}  // namespace three3p

std::ostream &operator<<(std::ostream &out,
                         const threedp::ThreeDPoint &pt) {
  return out << "("
             << pt.get_x() << ","
             << pt.get_y() << ","
             << pt.get_z() << ")";
}