autoDoc/HTML/---libBayesian-include-CProbabilisticSetElement-h

    /* -*- 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

    */
    #ifndef _CPSETELEMENT
    #define _CPSETELEMENT

    #include <functional>
    #include <iostream>

    template<class T>
    class CProbabilisticSetElement{
      ///
      T mContent;
      ///
      double mWeight;
      ///
      double mProbability;
      /// difficult to explain
      mutable double mDrawValue;
    public:
      ///
      CProbabilisticSetElement<T>():
        mWeight(1),
        mProbability(1)
        {};
      ///
      CProbabilisticSetElement<T>(const T& inContent,
    			      double inProbability=1.0,
    			      double inWeight=1.0):
        mContent(inContent),
        mWeight(inWeight),
        mProbability(inProbability)
        {
        }
      ///
      void setWeight(double inWeight){
        mWeight=inWeight;
      };
      ///
      void setDrawValue(double inLocation)const{
        mDrawValue=inLocation;
      };
      ///
      void setProbability(double inProbability){
        mProbability=inProbability;
      };
      ///
      void setContent(const T& inContent){
        mContent=inContent;
      };
      ///
      double getWeight()const{
        return mWeight;
      };
      ///
      double getProbability()const{
        return mProbability;
      };
      ///
      double getDrawValue()const{
        return mDrawValue;
      };
      ///
      T getContent()const{
        return mContent;
      };
      ///
      ostream& output(ostream&)const;
    };

    template<class T>
    ostream& CProbabilisticSetElement<T>::output(ostream& outStream)const{
      return outStream << "[CProbabilisticSetElement:"
    		   << getProbability()
    		   << ","
    		   << getWeight()
    		   << ","
    		   << getContent()
    		   << ":CProbabilisticSetElement]";
    }

    template<class T>
    class CSortByProbability_PSE:
      public binary_function<bool,
    			   CProbabilisticSetElement<T>,
    			   CProbabilisticSetElement<T> >{
    public:
      bool operator()(const CProbabilisticSetElement<T>& l,
    		  const CProbabilisticSetElement<T>& t)const{
        return
          l.getProbability()
          <
          t.getProbability();
      };
      bool operator()(const double& l,
    		  const CProbabilisticSetElement<T>& t)const{
        return
          l
          <
          t.getDrawValue();
      };
      bool operator()(const CProbabilisticSetElement<T>& l,
    		  const double& t)const{
        return
          l.getDrawValue()
          <
          t;
      };
    };

    template<class T>
    class CSortByDrawValue_PSE:
      public binary_function<bool,
    			   CProbabilisticSetElement<T>,
    			   CProbabilisticSetElement<T> >{
    public:
      bool operator()(const CProbabilisticSetElement<T>& l,
    		  const CProbabilisticSetElement<T>& t)const{
        return
          l.getDrawValue()
          <
          t.getDrawValue();
      };
      bool operator()(const double& l,
    		  const CProbabilisticSetElement<T>& t)const{
        return
          l
          <
          t.getDrawValue();
      };
      bool operator()(const CProbabilisticSetElement<T>& l,
    		  const double& t)const{
        return
          l.getDrawValue()
          <
          t;
      };
    };

    template<class T>
    class CSortByContent_PSE:
      public binary_function<bool,
      CProbabilisticSetElement<T>,
      CProbabilisticSetElement<T> >{
      public:
      bool operator()(const CProbabilisticSetElement<T>& l,
    		  const CProbabilisticSetElement<T>& t)const{
        return
          l.getContent()
          <
          t.getContent();
      };
      bool operator()(const double& l,
    		  const CProbabilisticSetElement<T>& t)const{
        return
          l
          <
          t.getContent();
      };
      bool operator()(const CProbabilisticSetElement<T>& l,
    		  const double& t)const{
        return
          l.getContent()
          <
          t;
      };
    };

    #endif