/home/neoflo/smb4k/SERVEUR/Millie/trunk/src/MillieStd.cpp

Aller à la documentation de ce fichier.

/******************************************************************************
 *       __    _    _   _       _       _   _____                             *
 *       | \  / |  | | | |     | |     | |  | ___|                            *
 *       |  \/  |  | | | |     | |     | |  | |_                              *
 *       |      |  | | | |     | |     | |  |  _|                             *
 *       | |\/| |  | | | |__   | |__   | |  | |__                             *
 *       |_|  |_|  |_| |____|  |____|  |_|  |____|                            *
 * __________________________________________________________________________ *
 *                 Multifunctional Library For Image Processing               *
 *                                                                            *
 *                                                                            *
 *                                                                            *
 *      (c) Copyright 2007 by Humbert Florent                                 *
 *                                                                            *
 *      This program is free software; you can redistribute it and/or modify  *
 *      it under the terms of the GNU General Public License as published by  *
 *      the Free Software Foundation; only version 2 of the License.          *
 *                                                                            *
 *      This program is distributed in the hope that it will be useful,       *
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *      GNU General Public License for more details.                          *
 *                                                                            *
 *      You should have received a copy of the GNU General Public License     *
 *      along with this program; if not, write to the Free Software           *
 *      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA             *
 *      02111-1307, USA.                                                      *
 ******************************************************************************/

#include "MillieStd.hpp"


using namespace Millie;

/*éventuellement à intégrer directement à la classe DataBuffer*/
float Millie::getMaximum(DataBuffer<float>& buffer)
{
  if(buffer.getSize() == 0)
    throw IllegalArgument("getMaximum : data buffer empty");

  float maximum = buffer[0];

  for(int i = 1; i<buffer.getSize();i++)
  {
    if(buffer[i]> maximum)
      maximum = buffer[i];
  }

  return maximum;
}

float Millie::getMinimum(DataBuffer<float>& buffer)
{
  if(buffer.getSize() == 0)
    throw IllegalArgument("getMinimum : data buffer empty");

  float minimum = buffer[0];

  for(int i = 1; i<buffer.getSize(); i++)
  {
    if(buffer[i]< minimum)
      minimum = buffer[i];
  }

  return minimum;
}

/*éventuellement à intégrer directement à la classe DataBuffer*/
float Millie::getMaximum(std::vector<float>& buffer)
{
  if(buffer.size() == 0)
    throw IllegalArgument("getMaximum : data buffer empty");

  float maximum = buffer[0];

  for(unsigned int i = 1; i<buffer.size();i++)
  {
    if(buffer[i]> maximum)
      maximum = buffer[i];
  }

  return maximum;
}

float Millie::getMinimum(std::vector<float>& buffer)
{
  if(buffer.size() == 0)
    throw IllegalArgument("getMinimum : data buffer empty");

  float minimum = buffer[0];

  for(unsigned int i = 1; i<buffer.size(); i++)
  {
    if(buffer[i]< minimum)
      minimum = buffer[i];
  }

  return minimum;
}



float Millie::getAverage(std::vector<float> & vect)
{
  if(vect.size() == 0)
    throw IllegalArgument("computeVariance : empty vector");

  float moyenne = 0;
  for(unsigned int i = 0; i<vect.size(); i++)
    moyenne += vect[i];

  moyenne /= vect.size();
  return moyenne;

}

float Millie::getVariance(std::vector<float>& vect)
{
  float moyenne = getAverage(vect);

  float variance = 0.0f;

  for(unsigned int i = 0; i<vect.size(); i++)
    variance += Math::square(vect[i] - moyenne);

  return variance;
}

float Millie::getVariance(DataBuffer<float>& buffer)
{
  float moyenne = getAverage(buffer);

  float variance = 0.0f;

  for(int i = 0; i<buffer.getSize(); i++)
    variance += Math::square(buffer[i] - moyenne);

  return variance;
}

float Millie::getAverage(DataBuffer<float>& buffer)
{
  if(buffer.getSize() == 0)
    throw IllegalArgument("computeVariance : empty vector");

  float moyenne = 0;
  for(int i = 0; i<buffer.getSize(); i++)
    moyenne += buffer[i];

  moyenne /= buffer.getSize();
  return moyenne;

}
/*
float Millie::carre(float a)
{
 return(a*a);
}
*/

---