GETFunction.hh

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//======================================================================
/*! \file GETFunction.hh
 *
 *  Include file for the GETFunction class.
 */
//======================================================================

#ifndef GET_FUNCTION_HH
#define GET_FUNCTION_HH

//----------------------------------------------------------------------

#include "GETCommon.hh"
#include "TF1.h"

//======================================================================
/*! \class GETFunction
 *
 *  This class defines an analytical function definition for the GET
 *  processes.
 *  It is defined with a TF1 function.
 *
 *  The class is abstract and has to be derivated for specific
 *  functions definition (in order to be written / read) in GET
 *  definition files).
 */
class GETFunction
{
  //------------------------------------------------------------
  /*! \object_doc */
  GObjectV(GETFunction);
  //------------------------------------------------------------

  protected:
    TF1   * fct_def;      ///< Associated ROOT function pointer

  public:
  //----------------------------------------------------------
  /** @name Constructors, affectation, destructor */
  //@{
    GETFunction ( TF1 * f = NULL );
    GETFunction ( const string name,
                  double (*fptr) ( const double[], const double [] ), u_int npar );
    GETFunction ( const GETFunction & f );
    virtual ~GETFunction ( );
  //@}

  //----------------------------------------------------------
  /** @name Function definition and parameters */
  //@{
    TF1   * GetFunction     ( );          // inline
    u_int   GetParamNumber  ( ) const;    // inline

    double  GetParamValue   ( u_int i ) const;        // inline
    void    SetParamValue   ( u_int i, double val );  // inline
  //@}

  //----------------------------------------------------------
  /** @name ROOT related functions */
  //@{
  public:

    /*! for use within ROOT.*/
    ClassDef(GETFunction,0);
  //@}
};


//----------------------------------------------------------------------
//  Inline functions
#include "icc/GETFunction.icc"


//======================================================================
#endif