vector.h

00001 
00002 /***************************************************************************
00003  *  vector.h - Column Vector
00004  *
00005  *  Created: Wed April 02 14:03:32 2008
00006  *  Copyright  2008  Daniel Beck
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __GEOMETRY_VECTOR_H_
00025 #define __GEOMETRY_VECTOR_H_
00026 
00027 #include <ostream>
00028 
00029 namespace fawkes {
00030 
00031 class Vector
00032 {
00033  public:
00034   Vector(unsigned int size = 3, float* elems = 0, bool manage_memory = true);
00035   Vector(const Vector& v);
00036   virtual ~Vector();
00037 
00038   unsigned int size() const;
00039   void         set_size(unsigned int size);
00040 
00041   float* data_ptr() { return m_data; }
00042   const float* data_ptr() const { return m_data; }
00043 
00044   float  get(unsigned int d) const;
00045   float& get(unsigned int d);
00046   void   set(unsigned int d, float v);
00047 
00048   float  x() const;
00049   float& x();
00050   void   x(float x);
00051 
00052   float  y() const;
00053   float& y();
00054   void   y(float y);
00055 
00056   float  z() const;
00057   float& z();
00058   void   z(float z);
00059 
00060   float  operator[](unsigned int d) const;
00061   float& operator[](unsigned int d);
00062 
00063   Vector  operator*(const float& f) const;
00064   Vector& operator*=(const float& f);
00065   Vector  operator/(const float& f) const;
00066   Vector& operator/=(const float& f);
00067 
00068   float   operator*(const Vector& v) const;
00069 
00070   Vector  operator+(const Vector& v) const;
00071   Vector& operator+=(const Vector& v);
00072   Vector  operator-(const Vector& v) const;
00073   Vector& operator-=(const Vector& v);
00074   Vector& operator=(const Vector& v);
00075 
00076   bool operator==(const Vector& v);
00077 
00078   void print_info(const char* name = 0) const;
00079 
00080   friend std::ostream& operator<<(std::ostream& stream, const Vector &v);
00081 
00082  private:
00083   unsigned int m_size;
00084   float*       m_data;
00085   bool         m_manage_memory;
00086 };
00087 
00088 } // end namespace fawkes
00089 
00090 #endif /* __GEOMETRY_VECTOR_H_ */

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