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vector.cc
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2007 INRIA
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 #include "vector.h"
21 #include "fatal-error.h"
22 #include "log.h"
23 #include <cmath>
24 #include <sstream>
25 
26 NS_LOG_COMPONENT_DEFINE ("Vector");
27 
28 namespace ns3 {
29 
30 ATTRIBUTE_HELPER_CPP (Vector3D);
31 ATTRIBUTE_HELPER_CPP (Vector2D);
32 // compatibility for mobility code
33 Ptr<const AttributeChecker> MakeVectorChecker (void)
34 {
36  return MakeVector3DChecker ();
37 }
38 
39 
40 Vector3D::Vector3D (double _x, double _y, double _z)
41  : x (_x),
42  y (_y),
43  z (_z)
44 {
45  NS_LOG_FUNCTION (this << _x << _y << _z);
46 }
47 
49  : x (0.0),
50  y (0.0),
51  z (0.0)
52 {
53  NS_LOG_FUNCTION (this);
54 }
55 
56 Vector2D::Vector2D (double _x, double _y)
57  : x (_x),
58  y (_y)
59 {
60  NS_LOG_FUNCTION (this << _x << _y);
61 }
62 
64  : x (0.0),
65  y (0.0)
66 {
67  NS_LOG_FUNCTION (this);
68 }
69 
70 double
71 CalculateDistance (const Vector3D &a, const Vector3D &b)
72 {
73  NS_LOG_FUNCTION (a << b);
74  double dx = b.x - a.x;
75  double dy = b.y - a.y;
76  double dz = b.z - a.z;
77  double distance = std::sqrt (dx * dx + dy * dy + dz * dz);
78  return distance;
79 }
80 double
81 CalculateDistance (const Vector2D &a, const Vector2D &b)
82 {
83  NS_LOG_FUNCTION (a << b);
84  double dx = b.x - a.x;
85  double dy = b.y - a.y;
86  double distance = std::sqrt (dx * dx + dy * dy);
87  return distance;
88 }
89 
90 std::ostream &operator << (std::ostream &os, const Vector3D &vector)
91 {
92  os << vector.x << ":" << vector.y << ":" << vector.z;
93  return os;
94 }
95 std::istream &operator >> (std::istream &is, Vector3D &vector)
96 {
97  char c1, c2;
98  is >> vector.x >> c1 >> vector.y >> c2 >> vector.z;
99  if (c1 != ':' ||
100  c2 != ':')
101  {
102  is.setstate (std::ios_base::failbit);
103  }
104  return is;
105 }
106 std::ostream &operator << (std::ostream &os, const Vector2D &vector)
107 {
108  os << vector.x << ":" << vector.y;
109  return os;
110 }
111 std::istream &operator >> (std::istream &is, Vector2D &vector)
112 {
113  char c1;
114  is >> vector.x >> c1 >> vector.y;
115  if (c1 != ':')
116  {
117  is.setstate (std::ios_base::failbit);
118  }
119  return is;
120 }
121 
122 } // namespace ns3
std::istream & operator>>(std::istream &is, Angles &a)
Definition: angles.cc:49
double x
Definition: vector.h:49
#define NS_LOG_FUNCTION(parameters)
Definition: log.h:311
#define NS_LOG_COMPONENT_DEFINE(name)
Definition: log.h:122
#define NS_LOG_FUNCTION_NOARGS()
Definition: log.h:275
a 3d vector
Definition: vector.h:31
double x
Definition: vector.h:80
double y
Definition: vector.h:84
double CalculateDistance(const Vector3D &a, const Vector3D &b)
Definition: vector.cc:71
std::ostream & operator<<(std::ostream &os, const Angles &a)
Definition: angles.cc:43
a 3d vector
Definition: vector.h:63
#define ATTRIBUTE_HELPER_CPP(type)
double y
Definition: vector.h:53
double z
Definition: vector.h:57