Bug fix by Theodor
[u/mrichter/AliRoot.git] / 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  *                                                                        *
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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   fGeo(0x0),
34   fHCId(-1),
35   fTrackletWord(trackletWord), 
36   fMCM(-1), 
37   fROB(-1), 
38   fQ0(0),
39   fQ1(0),
40   fLabel(-1)
41
42     fGeo = new AliTRDgeometry();
43 }
44
45 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord, Int_t hcid) :
46   AliTRDtrackletBase(),
47   fGeo(0x0),
48   fHCId(hcid),
49   fTrackletWord(trackletWord), 
50   fMCM(-1),
51   fROB(-1),
52   fQ0(0),
53   fQ1(0),
54   fLabel(-1)
55
56     fGeo = new AliTRDgeometry();
57 }
58
59 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord, Int_t hcid, Int_t rob, Int_t mcm) :
60   AliTRDtrackletBase(),
61   fGeo(0x0),
62   fHCId(hcid),
63   fTrackletWord(trackletWord), 
64   fMCM(mcm),
65   fROB(rob),
66   fQ0(0),
67   fQ1(0),
68   fLabel(-1)
69
70     fGeo = new AliTRDgeometry();
71 }
72
73 AliTRDtrackletMCM::AliTRDtrackletMCM(const AliTRDtrackletMCM &rhs) :
74   AliTRDtrackletBase(rhs),
75   fGeo(0x0),
76   fHCId(rhs.fHCId),
77   fTrackletWord(rhs.fTrackletWord),
78   fMCM(rhs.fMCM),
79   fROB(rhs.fROB),
80   fQ0(rhs.fQ0),
81   fQ1(rhs.fQ1),
82   fLabel(rhs.fLabel)
83 {
84     fGeo = new AliTRDgeometry();
85 }
86
87 AliTRDtrackletMCM::~AliTRDtrackletMCM() 
88 {
89     delete fGeo;
90 }
91
92 Int_t AliTRDtrackletMCM::GetYbin() const {
93   // returns (signed) value of Y
94   if (fTrackletWord & 0x1000) {
95     return -((~(fTrackletWord-1)) & 0x1fff);
96   }
97   else {
98     return (fTrackletWord & 0x1fff);
99   }
100 }
101
102 Int_t AliTRDtrackletMCM::GetdY() const 
103 {
104   // returns (signed) value of the deflection length
105   if (fTrackletWord & (1 << 19)) {
106     return -((~((fTrackletWord >> 13) - 1)) & 0x7f);
107   }
108   else {
109     return ((fTrackletWord >> 13) & 0x7f);
110   }
111 }