#ifndef _TGENPLABTF1_H_INCLUDED
#define _TGENPLABTF1_H_INCLUDED


//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TGenPlabTF1                                                          //
//                                                                      //
// Generates distribution of laboratory momentum according              //
// to 1D-function and Theta uniformly                                   //
//                                                                      //
//////////////////////////////////////////////////////////////////////////


#include <TF1.h>
#include "TGenPlab.h"


class TGenPlabTF1 : public TGenPlab {
 protected:
  TF1 *fdN_dPlab; //! dN/dPlab distribution in target system of reference

 public:
  TGenPlabTF1( const TF1* dN_dPlab );
  TGenPlabTF1( const TGenPlabTF1& );

  TF1* GetFunction() const { return(fdN_dPlab); };
  void SetFunction( const TF1* dN_dPlab );

  virtual TVector3 GenPlabTargetSR();

  virtual void Print(Option_t *option="") const;

  virtual ~TGenPlabTF1();

  ClassDef(TGenPlabTF1,0) // Generates distribution of laboratory momentum according to an analytical function of Plab
};


#endif