plVariablesConjunction.h

/*=============================================================================
 * Product        : OpenPL 
 * File           : plVariablesConjunction.h
 * Author         : Juan-Manuel Ahuactzin
 * Creation       : Wed Apr 10 10:59:32 2002
 *
 *=============================================================================
 *     (c) Copyright 2000, Centre National de la Recherche Scientifique,
 *                              all rights reserved
 *=============================================================================
 *
 *------------------------- Description ---------------------------------------
 *   
 *   
 *-----------------------------------------------------------------------------
*/


#ifndef _plVariablesConjunction_h
#define _plVariablesConjunction_h

#include <plObject.h>
#include <plMath.h>

/*****************************************************************************
 *                           External Classes
 *****************************************************************************/
class kplVariable;


/*****************************************************************************
 *                           Classes Definitions
 *****************************************************************************/


class plVariablesConjunction : public plObject
{
protected:
    virtual void Output(ostream &out) const;
public:
  
  plVariablesConjunction();

  virtual ~plVariablesConjunction();
  
  string name() const;

  class plVariable operator^(const plVariablesConjunction &variable) const;
  
  double cardinality()const;

  inline bool isDiscretized() const
    {
      return ( 0.0 != cardinality() );
    }
  
  inline unsigned int dim() const
  {
    return Dsize;
  }
  

private:
  kplVariable *kernel_variable;
  
protected:
  unsigned int Dsize;

  list <kplVariable *> variable_list;
  
  plVariablesConjunction(const list <kplVariable *> &kernel_variable_list);
  
public:
  const list <kplVariable *>& get_variable_list() const;
  
  
  friend class plData;
  friend class plArray;
  friend class plBellShape;
  friend class plCndBellShape;
  friend class plCndBellShapeA;
  friend class plCndKernel;
  friend class plCndNormal;
  friend class plCndProbTable;
  friend class plCndUnknown;
  friend class plComputableObject;
  friend class plConditional1dGaussA;
  friend class plConditionalExpression;
  friend class plDirac;
  friend class plDistribution;
  friend class plFunctionalDirac;
  friend class plGamma; 
  friend class plJointDistribution;
  friend class plKalmanFilter;
  friend class plKernel;
  friend class plKernelMap;
  friend class plMrbt;
  friend class plNormal;
  friend class plPoisson;
  friend class plProbTable;
  friend class plSymbol;
  friend class plUniform;
  friend class plUnknown;
  friend class plValues;
  friend class plVariable;
  friend class plKernelTable;
  friend class plLogNormal;
};


#endif

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