// @(#)root/mathcore:$Id$
// Author: David Gonzalez Maline Wed Aug 28 15:23:43 2009

 *                                                                    *
 * Copyright (c) 2006  LCG ROOT Math Team, CERN/PH-SFT                *
 *                                                                    *
 *                                                                    *

// Header file for class SparseData

#ifndef ROOT_Fit_SparseData
#define ROOT_Fit_SparseData

#include <vector>

#ifndef ROOT_Fit_DataVector
#include "Fit/DataVector.h"
#ifndef ROOT_Fit_BinData
#include "Fit/BinData.h"

namespace ROOT {

   namespace Fit {

      // This is a proxy to a std::list<Box>
      class ProxyListBox;

      class SparseData : public FitData  {
         //Constructor with a vector
         SparseData(std::vector<double>& min, std::vector<double>& max);

         //Constructor with a dimension and two arrays
         SparseData(const unsigned int dim, double min[], double max[]);


         //Returns the number of points stored
         unsigned int NPoints() const;
         //Returns the dimension of the object (bins)
         unsigned int NDim() const;

         // Adds a new bin specified by the vectors
         void Add(std::vector<double>& min, std::vector<double>& max,
                  const double content, const double error = 1.0);

         void GetPoint(const unsigned int i,
                       std::vector<double>& min, std::vector<double>&max,
                       double& content, double& error);

         // Debug method to print the list of bins stored
         void PrintList() const;

         // Transforms the data into a ROOT::Fit::BinData structure
         void GetBinData(BinData&) const;
         // Same as before, but with integral format
         void GetBinDataIntegral(BinData&) const;
         // Same as before, but including zero content bins
         void GetBinDataNoZeros(BinData&) const;

      private :
         ProxyListBox *fList;

   } // end namespace Fit

} // end namespace ROOT

#endif /* ROOT_Fit_SparseData */