PWG3/dielectron/AliDielectronHelper.h

   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
  19 class AliKFParticle;
  20 class AliVEvent;
  21 class AliMCEvent;
  22
  23 namespace AliDielectronHelper
  24 {
  25
  26
  27
  28 TVectorD* MakeLogBinning(Int_t nbinsX, Double_t xmin, Double_t xmax);
  29 TVectorD* MakeLinBinning(Int_t nbinsX, Double_t xmin, Double_t xmax);
  30 TVectorD* MakeArbitraryBinning(const char* bins);
  31
  32 Int_t GetNch(const AliMCEvent *ev=0x0, Double_t eta=0.9);
  33 Int_t GetNacc(const AliVEvent *ev=0x0);
  34 Int_t GetNaccTrcklts(const AliVEvent *ev=0x0);
  35
  36 void RotateKFParticle(AliKFParticle * kfParticle,Double_t angle, const AliVEvent * const ev=0x0);
  37
  38
  39 }
  40
  41 #endif