TRD/AliTRDtrackletMCM.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id: AliTRDtrackletMCM.cxx 28397 2008-09-02 09:33:00Z cblume $ */
  17
  18 ////////////////////////////////////////////////////////////////////////////
  19 //                                                                        //
  20 //  MCM tracklet                                                          //
  21 //                                                                        //
  22 //  Author: J. Klein (Jochen.Klein@cern.ch)                               //
  23 //                                                                        //
  24 ////////////////////////////////////////////////////////////////////////////
  25
  26 #include "AliTRDtrackletMCM.h"
  27 #include "AliLog.h"
  28
  29 ClassImp(AliTRDtrackletMCM)
  30
  31 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord) :
  32   AliTRDtrackletBase(),
  33   fHCId(-1),
  34   fTrackletWord(trackletWord),
  35   fMCM(-1),
  36   fROB(-1)
  37 {
  38
  39 }
  40
  41 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord, Int_t hcid) :
  42   AliTRDtrackletBase(),
  43   fHCId(hcid),
  44   fTrackletWord(trackletWord),
  45   fMCM(-1),
  46   fROB(-1)
  47 {
  48
  49 }
  50
  51 AliTRDtrackletMCM::AliTRDtrackletMCM(const AliTRDtrackletMCM &rhs) :
  52   AliTRDtrackletBase(rhs),
  53   fHCId(rhs.fHCId),
  54   fTrackletWord(rhs.fTrackletWord),
  55   fMCM(rhs.fMCM),
  56   fROB(rhs.fROB)
  57 {
  58
  59 }
  60
  61 AliTRDtrackletMCM::~AliTRDtrackletMCM()
  62 {
  63
  64 }
  65
  66 Int_t AliTRDtrackletMCM::GetYbin() const {
  67   // returns (signed) value of Y
  68   if (fTrackletWord & 0x1000) {
  69     return -((~(fTrackletWord-1)) & 0x1fff);
  70   }
  71   else {
  72     return (fTrackletWord & 0x1fff);
  73   }
  74 }
  75
  76 Int_t AliTRDtrackletMCM::GetdY() const
  77 {
  78   // returns (signed) value of the deflection length
  79   if (fTrackletWord & (1 << 19)) {
  80     return -((~((fTrackletWord >> 13) - 1)) & 0x7f);
  81   }
  82   else {
  83     return ((fTrackletWord >> 13) & 0x7f);
  84   }
  85 }