Add fast merging option (Diego)
[u/mrichter/AliRoot.git] / PWG3 / dielectron / AliDielectronHelper.h
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ffbede40 1#ifndef ALIDIELECTRONHELPER_H
2#define ALIDIELECTRONHELPER_H
3/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6///////////////////////////////////////////////////////////////////////////////////////////
7// //
8// Dielectron helpers //
9// //
10// //
11// Authors: //
12// Jens Wiechula <Jens.Wiechula@cern.ch> //
13// //
14///////////////////////////////////////////////////////////////////////////////////////////
15
16
17#include <TVectorDfwd.h>
18
1201a1a9 19class AliKFParticle;
20class AliVEvent;
ba15fdfb 21class AliMCEvent;
1201a1a9 22
ffbede40 23namespace AliDielectronHelper
24{
25
26
27
28TVectorD* MakeLogBinning(Int_t nbinsX, Double_t xmin, Double_t xmax);
29TVectorD* MakeLinBinning(Int_t nbinsX, Double_t xmin, Double_t xmax);
30TVectorD* MakeArbitraryBinning(const char* bins);
31
ba15fdfb 32Int_t GetNch(const AliMCEvent *ev=0x0, Double_t eta=0.9);
33Int_t GetNacc(const AliVEvent *ev=0x0);
34Int_t GetNaccTrcklts(const AliVEvent *ev=0x0);
35
1201a1a9 36void RotateKFParticle(AliKFParticle * kfParticle,Double_t angle, const AliVEvent * const ev=0x0);
ffbede40 37
38
39}
40
41#endif