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cvarhist.h

//==========================================================================
//
//   CVARHIST.H - header for
//                             OMNeT++
//            Discrete System Simulation in C++
//
//
//  Declaration of the following classes:
//    cVarHistogram : Variable bin size histogram
//
//==========================================================================

/*--------------------------------------------------------------*
  Copyright (C) 1992-2003 Andras Varga

  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/

#ifndef __CVARHIST_H
#define __CVARHIST_H

#include "chist.h"

//==========================================================================
//  transform types for cVarHistogram
//
// HIST_TR_NO_TRANSFORM: no transformation; uses bin boundaries
//                       previously defined by addBinBound()/appendBinBound()
// HIST_TR_AUTO_EPC_DBL: automatically creates equiprobable cells
// HIST_TR_AUTO_EPC_INT: like the above, but uses a different hack :-)

enum {
   HIST_TR_NO_TRANSFORM=1,
   HIST_TR_AUTO_EPC_DBL=0,
   HIST_TR_AUTO_EPC_INT=2
};

//==========================================================================

class SIM_API cVarHistogram : public cHistogramBase //--LG
{
  protected:
    int transform_type;     // one of the HIST_TR_xxx constants
    int max_num_cells;      // the length of the allocated cellv
    double *bin_bounds;     // bin/cell boundaries

    // the boundaries of the ordinary cells/bins are:
    // rangemin=bin_bounds[0], bin_bounds[1], ... bin_bounds[num_cells]=rangemax
    // consequence: sizeof(binbounds)=sizeof(cellv)+1

  protected:
    void createEquiProbableCells();

  public:

    cVarHistogram(const cVarHistogram& r) : cHistogramBase(r)
       {setName(r.name());bin_bounds=NULL;operator=(r);}

    explicit cVarHistogram(const char *name=NULL,
                           int numcells=11,
                           int transformtype=HIST_TR_AUTO_EPC_DBL);

    virtual ~cVarHistogram();

    cVarHistogram& operator=(const cVarHistogram& res);


    virtual cObject *dup() const    {return new cVarHistogram(*this);}

    virtual int netPack();

    virtual int netUnpack();


    virtual void clearResult();

    virtual void transform();

    virtual void collectTransformed(double val);

    virtual double random() const;

    virtual double pdf(double x) const; // --LG

    virtual double cdf(double x) const; // --LG

    virtual double basepoint(int k) const; // --LG

    virtual double cell(int k) const;

    virtual void saveToFile(FILE *) const; //--LG

    virtual void loadFromFile(FILE *);  //--LG


    virtual void addBinBound(double x);
};

#endif

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