WorldSim - 1.4.5

Utilities Configuration GA
NNFW WorldSim Total 99% Experiments
Vector3.h
1 /*
2  This file is part of the VRender library.
3  Copyright (C) 2005 Cyril Soler (Cyril.Soler@imag.fr)
4  Version 1.0.0, released on June 27, 2005.
5 
6  http://artis.imag.fr/Members/Cyril.Soler/VRender
7 
8  VRender is free software; you can redistribute it and/or modify
9  it under the terms of the GNU General Public License as published by
10  the Free Software Foundation; either version 2 of the License, or
11  (at your option) any later version.
12 
13  VRender is distributed in the hope that it will be useful,
14  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  GNU General Public License for more details.
17 
18  You should have received a copy of the GNU General Public License
19  along with VRender; if not, write to the Free Software Foundation, Inc.,
20  51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
21 */
22 
23 /****************************************************************************
24 
25  Copyright (C) 2002-2013 Gilles Debunne. All rights reserved.
26 
27  This file is part of the QGLViewer library version 2.5.2.
28 
29  http://www.libqglviewer.com - contact@libqglviewer.com
30 
31  This file may be used under the terms of the GNU General Public License
32  versions 2.0 or 3.0 as published by the Free Software Foundation and
33  appearing in the LICENSE file included in the packaging of this file.
34  In addition, as a special exception, Gilles Debunne gives you certain
35  additional rights, described in the file GPL_EXCEPTION in this package.
36 
37  libQGLViewer uses dual licensing. Commercial/proprietary software must
38  purchase a libQGLViewer Commercial License.
39 
40  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
41  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
42 
43 *****************************************************************************/
44 
45 #ifndef _VRENDER_VECTOR3_H
46 #define _VRENDER_VECTOR3_H
47 
48 #include <stdexcept>
49 
50 #ifndef FLT_MAX
51 # define FLT_MAX 9.99E20f
52 #endif
53 
54 namespace vrender
55 {
56  class NVector3;
57 
58  class Vector3
59  {
60  public:
61  // ---------------------------------------------------------------------------
63 
64  static const Vector3 inf;
66 
67  // ---------------------------------------------------------------------------
69 
70  Vector3 ();
71  ~Vector3 ();
72  Vector3 (const Vector3&);
73  Vector3 (const NVector3&);
74  Vector3 (double, double, double);
75 
77 
78  // ---------------------------------------------------------------------------
80 
81  inline double x() const { return _xyz[0]; }
82  inline double y() const { return _xyz[1]; }
83  inline double z() const { return _xyz[2]; }
84  inline void setX(double r) { _xyz[0] = r; }
85  inline void setY(double r) { _xyz[1] = r; }
86  inline void setZ(double r) { _xyz[2] = r; }
87  inline void setXYZ (double x,double y,double z) { _xyz[0] = x; _xyz[1] = y; _xyz[2] = z; }
89 
90  // ---------------------------------------------------------------------------
92 
93  inline Vector3& operator= (const Vector3& u) { _xyz[0] = u._xyz[0]; _xyz[1] = u._xyz[1]; _xyz[2] = u._xyz[2]; return *this; }
94  Vector3& operator= (const NVector3& u);
96 
97  // ---------------------------------------------------------------------------
99 
100  friend bool operator== (const Vector3&,const Vector3&);
101  friend bool operator!= (const Vector3&,const Vector3&);
103 
104  // ---------------------------------------------------------------------------
106 
107  inline Vector3& operator+= (const Vector3& v)
108  {
109  _xyz[0] += v._xyz[0];
110  _xyz[1] += v._xyz[1];
111  _xyz[2] += v._xyz[2];
112  return *this;
113  }
114 
115  inline Vector3& operator-= (const Vector3& v)
116  {
117  _xyz[0] -= v._xyz[0];
118  _xyz[1] -= v._xyz[1];
119  _xyz[2] -= v._xyz[2];
120  return *this;
121  }
122 
123  inline Vector3& operator*= (double f) { _xyz[0] *= f; _xyz[1] *= f; _xyz[2] *= f; return *this;}
124  inline Vector3& operator/= (double f) { _xyz[0] /= f; _xyz[1] /= f; _xyz[2] /= f; return *this;}
125 
126  static Vector3 mini(const Vector3&,const Vector3&) ;
127  static Vector3 maxi(const Vector3&,const Vector3&) ;
128 
129  Vector3& operator-= (const NVector3&);
130  Vector3& operator+= (const NVector3&);
131 
132  friend Vector3 operator- (const Vector3& u) { return Vector3(-u[0], -u[1], -u[2]); }
133 
134  inline Vector3 operator+(const Vector3& u) const
135  {
136  return Vector3(_xyz[0]+u._xyz[0],_xyz[1]+u._xyz[1],_xyz[2]+u._xyz[2]);
137  }
138  inline Vector3 operator-(const Vector3& u) const
139  {
140  return Vector3(_xyz[0]-u._xyz[0],_xyz[1]-u._xyz[1],_xyz[2]-u._xyz[2]);
141  }
142 
143  inline double operator*(const Vector3& u) const
144  {
145  return _xyz[0]*u._xyz[0] + _xyz[1]*u._xyz[1] + _xyz[2]*u._xyz[2];
146  }
147 
148  inline Vector3 operator^(const Vector3& v) const
149  {
150  return Vector3( _xyz[1]*v._xyz[2] - _xyz[2]*v._xyz[1],
151  _xyz[2]*v._xyz[0] - _xyz[0]*v._xyz[2],
152  _xyz[0]*v._xyz[1] - _xyz[1]*v._xyz[0]);
153  }
154 
155  Vector3 operator/ (double v) { return Vector3(_xyz[0]/v,_xyz[1]/v,_xyz[2]/v); }
156  Vector3 operator* (double v) { return Vector3(_xyz[0]*v,_xyz[1]*v,_xyz[2]*v); }
157 
158  friend Vector3 operator* (double,const Vector3&);
160 
161  // ---------------------------------------------------------------------------
163 
164  double norm () const;
165  double squareNorm () const;
166  double infNorm () const;
167 
168  // ---------------------------------------------------------------------------
170 
171  friend std::ostream& operator<< (std::ostream&,const Vector3&);
173 
174  double operator[] (int i) const
175  {
176  if((i < 0)||(i > 2))
177  throw std::runtime_error("Out of bounds in Vector3::operator[]") ;
178 
179  return _xyz[i];
180  }
181 
182  double& operator[] (int i)
183  {
184  if((i < 0)||(i > 2))
185  throw std::runtime_error("Out of bounds in Vector3::operator[]") ;
186 
187  return _xyz[i];
188  }
189 
190  private:
191  double _xyz[3];
192 
193  }; // interface of Vector3
194 }
195 #endif // _VECTOR3_H
vrender::Vector3::norm
double norm() const
Norm.
Definition: Vector3.cpp:132
vrender::Vector3::infNorm
double infNorm() const
Infinite norm.
Definition: Vector3.cpp:146
vrender::Vector3::~Vector3
~Vector3()
Default destructor.
Definition: Vector3.cpp:68
vrender::Vector3::squareNorm
double squareNorm() const
Square norm (self dot product)
Definition: Vector3.cpp:139