fcal_t.h

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// $Id$
//
//    File: fcal_t.h
// Created: Thu Oct 22 19:28:29 EDT 2009
// Creator: davidl (on Darwin harriet.jlab.org 9.8.0 i386)
//

#ifndef _fcal_t_
#define _fcal_t_

#include <math.h>

#include <iostream>

#include <TObject.h>
#include <TVector3.h>
#include <TLorentzVector.h>

class fcal_t:public TObject{
   public:
      
      fcal_t(void){}
      
      TLorentzVector p; // 4-momentum vector of photon
      TVector3 x;       // position of photon in FCAL

      // This is used to sort the TClonesArray fcal in Event
      Bool_t IsSortable(void) const { return kTRUE;}
      Int_t Compare(const TObject *a) const{
         Double32_t diff =  ((fcal_t*)a)->p.E() - ((fcal_t*)this)->p.E();
         Int_t idiff = diff>0.0 ? +1:(diff<0.0 ? -1:0);
         return idiff;
      }
      
      fcal_t& operator=(const fcal_t &ti){
         this->p = ti.p;
         this->x = ti.x;
         return *this;
      }
      
   private:
      ClassDef(fcal_t,1);
};



#endif // _fcal_t_