/* -*- mode: c++ -*- 
*/
/* 

    GIFT, a flexible content based image retrieval system.
    Copyright (C) 1998, 1999, 2000 CUI, University of Geneva

    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; either version 2 of the License, or
    (at your option) any later version.

    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

*/
/***************************************
*
* CQNNONORMALIZATION
*
****************************************
*
* modification history:
*
* HM 090399 created the documentation
*
****************************************
*
* compiler defines used:
*
*
****************************************/
#ifndef _CQNNONORMALIZATION
#define _CQNNONORMALIZATION


#include "CDocumentFrequencyElement.h"
#include "CWeightingFunction.h"
#include "CAcInvertedFile.h"
#include "CQueryNormalizer.h"

/** Empty normalizer for the trivial case.
 */

class CQNNoNormalization:public CQueryNormalizer{
public:
/***************************************
*
* 
*
***************************************/
  ///
  CQNNoNormalization(const CAcInvertedFile* inAccessor=0);

/***************************************
*
* 
*
***************************************/
  ///Translating in the end the information into a normalizing value
  virtual double getValue()const;

/***************************************
*
* 
*
***************************************/
  ///Considers a feature 
  virtual void considerQueryFeature(const CWeightingFunction& 
				      inFeature);

    /***************************************
     *
     * returning a copy of this
     *
     ***************************************/
    virtual CQueryNormalizer* clone()const;
};
#endif

Documentation generated by muellerw@pc7170 on Son Okt 8 16:04:40 CEST 2000