NTupleFCN.h

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

#ifndef _NTupleFCN_H_
#define _NTupleFCN_H_

// #ifdef HAVE_CONFIG_H
// #include "config.h"
// #endif

#include "StatedFCN.h"

class DataSource;
class Range;
class TupleCut;

class MDL_HIPPOPLOT_API NTupleFCN : virtual public StatedFCN
{
private:

  TupleCut * m_fit_cut;

  bool m_fit_range;

  bool hasErrors () const;

void reset ( std::vector < std::vector < double > > & alpha,
             std::vector < double > & beta,
             unsigned int size );

protected:

  std::vector < int > m_indices;

  unsigned int m_dimen;

  const DataSource * m_ntuple;

  NTupleFCN ();

  NTupleFCN ( const NTupleFCN & );

  bool acceptRow ( unsigned int row ) const;

  int getErrorColumn ( ) const;

public:

  NTupleFCN ( const DataSource * ntuple, FunctionBase * function );

  void setDataSource ( const DataSource * source );

  virtual void setDataSource ( const DataSource * source,
                               int dimension, 
                               const std::vector < int > & );

  virtual bool setUseErrors ( bool yes = true );

  virtual void setFitCut ( TupleCut * cut );

  virtual void setFitRange ( bool yes = true );

  virtual int degreesOfFreedom ( ) const;

 protected:

  virtual void calcAlphaBeta ( std::vector < std::vector < double > > & alpha,
                               std::vector < double > & beta );

};

#endif // _NTupleFCN_H_

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