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Vector2i.hh
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1 /*
2  * Copyright 2012 Nate Koenig
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUint WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16 */
17 /* Desc: Two dimensional vector
18  * Author: Nate Koenig
19  * Date: 3 Apr 2007
20  */
21 
22 #ifndef _VECTOR2I_HH_
23 #define _VECTOR2I_HH_
24 
25 #include <math.h>
26 #include <iostream>
27 #include <fstream>
28 
29 namespace gazebo
30 {
31  namespace math
32  {
35 
38  class Vector2i
39  {
41  public: Vector2i();
42 
46  public: Vector2i(const int &_x, const int &_y);
47 
50  public: Vector2i(const Vector2i &_pt);
51 
53  public: virtual ~Vector2i();
54 
58  public: int Distance(const Vector2i &_pt) const;
59 
61  public: void Normalize();
62 
66  public: void Set(int _x, int _y);
67 
71  public: Vector2i Cross(const Vector2i &_pt) const;
72 
76  public: Vector2i &operator =(const Vector2i &_v);
77 
81  public: const Vector2i &operator =(int _value);
82 
86  public: Vector2i operator+(const Vector2i &_v) const;
87 
91  public: const Vector2i &operator+=(const Vector2i &_v);
92 
96  public: Vector2i operator-(const Vector2i &_v) const;
97 
101  public: const Vector2i &operator-=(const Vector2i &_v);
102 
107  public: const Vector2i operator/(const Vector2i &_v) const;
108 
113  public: const Vector2i &operator/=(const Vector2i &_v);
114 
119  public: const Vector2i operator/(int _v) const;
120 
125  public: const Vector2i &operator/=(int _v);
126 
131  public: const Vector2i operator*(const Vector2i &_v) const;
132 
137  public: const Vector2i &operator*=(const Vector2i &_v);
138 
142  public: const Vector2i operator*(int _v) const;
143 
147  public: const Vector2i &operator*=(int _v);
148 
152  public: bool operator ==(const Vector2i &_v) const;
153 
157  public: bool operator!=(const Vector2i &_v) const;
158 
161  public: bool IsFinite() const;
162 
165  public: int operator[](unsigned int _index) const;
166 
168  public: int x;
169 
171  public: int y;
172 
177  public: friend std::ostream &operator<<(std::ostream &_out,
178  const gazebo::math::Vector2i &_pt)
179  {
180  _out << _pt.x << " " << _pt.y;
181  return _out;
182  }
183 
188  public: friend std::istream &operator>>(std::istream &_in,
190  {
191  // Skip white spaces
192  _in.setf(std::ios_base::skipws);
193  _in >> _pt.x >> _pt.y;
194  return _in;
195  }
196  };
197 
199  }
200 }
201 #endif
202 
203 
204