Adding AliRsnDaughter in the RESONANCES directory

[u/mrichter/AliRoot.git] / PWG2 / RESONANCES / AliRsnDaughterCut.cxx

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 * Author: The ALICE Off-line Project.                                    *
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//-------------------------------------------------------------------------
//                      Class AliRsnDaughterCut
//  
//           Implementation of track cuts for analysis.
// 
// author: A. Pulvirenti             (email: alberto.pulvirenti@ct.infn.it)
//-------------------------------------------------------------------------

#include <Riostream.h>

#include "AliRsnDaughter.h"
#include "AliRsnDaughterCut.h"

ClassImp(AliRsnDaughterCut)

//--------------------------------------------------------------------------------------------------------
Bool_t AliRsnDaughterCut::Pass(AliRsnDaughter* /*track1*/, AliRsnDaughter* /*track2*/)
// 
// Virtual method for cut passing.
// This function must be overridden and return kTRUE when cut is passed.
//
{ 
	TObject::Error("Pass", "This method must be overridden!");
	return kFALSE;
}
//--------------------------------------------------------------------------------------------------------
Bool_t AliRsnDaughterCutPtSingle::Pass(AliRsnDaughter *track1, AliRsnDaughter* /*track2*/)
// 
// Cut on single track momentum.
//
{ 
	if (!track1) return kFALSE;
	if (track1->GetPt() < fPtMin) return kFALSE;
	if (track1->GetPt() > fPtMax) return kFALSE;
	
	return kTRUE;
}
//--------------------------------------------------------------------------------------------------------
Bool_t AliRsnDaughterCutPtPair::Pass(AliRsnDaughter *track1, AliRsnDaughter *track2)
// 
// Cut on single track momentum.
//
{ 
	if (!track1 || !track2) return kFALSE;
	
	AliRsnDaughter sum = (*track1) + (*track2);
	
	if (sum.GetPt() < fPtMin) return kFALSE;
	if (sum.GetPt() > fPtMax) return kFALSE;
	
	return kTRUE;
}