Vector2i.hh

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/*
 * Copyright 2012 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUint WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
/* Desc: Two dimensional vector
 * Author: Nate Koenig
 * Date: 3 Apr 2007
 */

#ifndef _VECTOR2I_HH_
#define _VECTOR2I_HH_

#include <math.h>
#include <iostream>
#include <fstream>

namespace gazebo
{
  namespace math
  {

    class Vector2i
    {
      public: Vector2i();

      public: Vector2i(const int &_x, const int &_y);

      public: Vector2i(const Vector2i &_pt);

      public: virtual ~Vector2i();

      public: int Distance(const Vector2i &_pt) const;

      public: void Normalize();

      public: void Set(int _x, int _y);

      public: Vector2i Cross(const Vector2i &_pt) const;

      public: Vector2i &operator =(const Vector2i &_v);

      public: const Vector2i &operator =(int _value);

      public: Vector2i operator+(const Vector2i &_v) const;

      public: const Vector2i &operator+=(const Vector2i &_v);

      public: Vector2i operator-(const Vector2i &_v) const;

      public: const Vector2i &operator-=(const Vector2i &_v);

      public: const Vector2i operator/(const Vector2i &_v) const;

      public: const Vector2i &operator/=(const Vector2i &_v);

      public: const Vector2i operator/(int _v) const;

      public: const Vector2i &operator/=(int _v);

      public: const Vector2i operator*(const Vector2i &_v) const;

      public: const Vector2i &operator*=(const Vector2i &_v);

      public: const Vector2i operator*(int _v) const;

      public: const Vector2i &operator*=(int _v);

      public: bool operator ==(const Vector2i &_v) const;

      public: bool operator!=(const Vector2i &_v) const;

      public: bool IsFinite() const;

      public: int operator[](unsigned int _index) const;

      public: int x;

      public: int y;

      public: friend std::ostream &operator<<(std::ostream &_out,
                  const gazebo::math::Vector2i &_pt)
      {
        _out << _pt.x << " " << _pt.y;
        return _out;
      }

      public: friend std::istream &operator>>(std::istream &_in,
                  gazebo::math::Vector2i &_pt)
      {
        // Skip white spaces
        _in.setf(std::ios_base::skipws);
        _in >> _pt.x >> _pt.y;
        return _in;
      }
    };

  }
}
#endif