Add Jochens GTU simulation code
[u/mrichter/AliRoot.git] / TRD / AliTRDtrackletWord.cxx
CommitLineData
52c19022 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: AliTRDtrackletWord.cxx 28397 2008-09-02 09:33:00Z cblume $ */
17
18////////////////////////////////////////////////////////////////////////////
19// //
20// A tracklet word as from FEE //
21// //
22// Author: J. Klein (Jochen.Klein@cern.ch) //
23// //
24////////////////////////////////////////////////////////////////////////////
25
26#include "AliTRDtrackletWord.h"
27#include "AliLog.h"
28
29ClassImp(AliTRDtrackletWord)
30
31AliTRDtrackletWord::AliTRDtrackletWord(UInt_t trackletWord) :
32 AliTRDtrackletBase(),
33 fHCId(-1),
34 fTrackletWord(trackletWord)
35{
36
37}
38
39AliTRDtrackletWord::AliTRDtrackletWord(UInt_t trackletWord, Int_t hcid) :
40 AliTRDtrackletBase(),
41 fHCId(hcid),
42 fTrackletWord(trackletWord)
43{
44
45}
46
47AliTRDtrackletWord::AliTRDtrackletWord(const AliTRDtrackletWord &rhs) :
48 AliTRDtrackletBase(rhs),
49 fHCId(rhs.fHCId),
50 fTrackletWord(rhs.fTrackletWord)
51{
52
53}
54
55AliTRDtrackletWord::~AliTRDtrackletWord()
56{
57
58}
59
60Int_t AliTRDtrackletWord::GetYbin() const {
61 // returns (signed) value of Y
62 if (fTrackletWord & 0x1000) {
63 return -((~(fTrackletWord-1)) & 0x1fff);
64 }
65 else {
66 return (fTrackletWord & 0x1fff);
67 }
68}
69
70Int_t AliTRDtrackletWord::GetdY() const
71{
72 // returns (signed) value of the deflection length
73 if (fTrackletWord & (1 << 19)) {
74 return -((~((fTrackletWord >> 13) - 1)) & 0x7f);
75 }
76 else {
77 return ((fTrackletWord >> 13) & 0x7f);
78 }
79}