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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 | /* $Id$ */ | |
17 | ||
18 | // ------------------ | |
19 | // Class AliMUONLocalTrigger | |
20 | // ------------------ | |
21 | // Local Trigger algorithm data outputs | |
22 | // (contains local trigger decision and bit patterns) | |
23 | ||
24 | #include "AliMUONLocalTrigger.h" | |
25 | #include <assert.h> | |
26 | #include "AliLog.h" | |
27 | ||
28 | ClassImp(AliMUONLocalTrigger) | |
29 | //---------------------------------------------------------------------- | |
30 | AliMUONLocalTrigger::AliMUONLocalTrigger() | |
31 | : TObject(), fDigits(0) | |
32 | { | |
33 | // constructor | |
34 | fLoCircuit = 0; | |
35 | fLoStripX = 0; | |
36 | fLoDev = 0; | |
37 | fLoStripY = 0; | |
38 | fLoLpt = 0; | |
39 | fLoHpt = 0; | |
40 | fLoApt = 0; | |
41 | ||
42 | fX1Pattern = 0; | |
43 | fX2Pattern = 0; | |
44 | fX3Pattern = 0; | |
45 | fX4Pattern = 0; | |
46 | ||
47 | fY1Pattern = 0; | |
48 | fY2Pattern = 0; | |
49 | fY3Pattern = 0; | |
50 | fY4Pattern = 0; | |
51 | ||
52 | fLoDecision = 0; | |
53 | } | |
54 | //---------------------------------------------------------------------- | |
55 | AliMUONLocalTrigger::AliMUONLocalTrigger(const AliMUONLocalTrigger& theMUONLocalTrig) | |
56 | : TObject(theMUONLocalTrig) | |
57 | { | |
58 | // copy constructor (useful for TClonesArray) | |
59 | fLoCircuit = theMUONLocalTrig.fLoCircuit; | |
60 | fLoStripX = theMUONLocalTrig.fLoStripX; | |
61 | fLoDev = theMUONLocalTrig.fLoDev; | |
62 | fLoStripY = theMUONLocalTrig.fLoStripY; | |
63 | fLoLpt = theMUONLocalTrig.fLoLpt; | |
64 | fLoHpt = theMUONLocalTrig.fLoHpt; | |
65 | fLoApt = theMUONLocalTrig.fLoApt; | |
66 | ||
67 | fX1Pattern = theMUONLocalTrig.fX1Pattern; | |
68 | fX2Pattern = theMUONLocalTrig.fX2Pattern; | |
69 | fX3Pattern = theMUONLocalTrig.fX3Pattern; | |
70 | fX4Pattern = theMUONLocalTrig.fX4Pattern; | |
71 | ||
72 | fY1Pattern = theMUONLocalTrig.fY1Pattern; | |
73 | fY2Pattern = theMUONLocalTrig.fY2Pattern; | |
74 | fY3Pattern = theMUONLocalTrig.fY3Pattern; | |
75 | fY4Pattern = theMUONLocalTrig.fY4Pattern; | |
76 | ||
77 | fLoDecision = theMUONLocalTrig.fLoDecision; | |
78 | ||
79 | fDigits = theMUONLocalTrig.fDigits; | |
80 | } | |
81 | //---------------------------------------------------------------------- | |
82 | AliMUONLocalTrigger& AliMUONLocalTrigger::operator=(const AliMUONLocalTrigger& theMUONLocalTrig) | |
83 | { | |
84 | // equal operator (useful for non-pointer member in TClonesArray) | |
85 | if (this == &theMUONLocalTrig) | |
86 | return *this; | |
87 | ||
88 | // base class assignement | |
89 | TObject::operator=(theMUONLocalTrig); | |
90 | ||
91 | fLoCircuit = theMUONLocalTrig.fLoCircuit; | |
92 | fLoStripX = theMUONLocalTrig.fLoStripX; | |
93 | fLoDev = theMUONLocalTrig.fLoDev; | |
94 | fLoStripY = theMUONLocalTrig.fLoStripY; | |
95 | fLoLpt = theMUONLocalTrig.fLoLpt; | |
96 | fLoHpt = theMUONLocalTrig.fLoHpt; | |
97 | fLoApt = theMUONLocalTrig.fLoApt; | |
98 | ||
99 | fX1Pattern = theMUONLocalTrig.fX1Pattern; | |
100 | fX2Pattern = theMUONLocalTrig.fX2Pattern; | |
101 | fX3Pattern = theMUONLocalTrig.fX3Pattern; | |
102 | fX4Pattern = theMUONLocalTrig.fX4Pattern; | |
103 | ||
104 | fY1Pattern = theMUONLocalTrig.fY1Pattern; | |
105 | fY2Pattern = theMUONLocalTrig.fY2Pattern; | |
106 | fY3Pattern = theMUONLocalTrig.fY3Pattern; | |
107 | fY4Pattern = theMUONLocalTrig.fY4Pattern; | |
108 | ||
109 | fLoDecision = theMUONLocalTrig.fLoDecision; | |
110 | ||
111 | fDigits = theMUONLocalTrig.fDigits; | |
112 | ||
113 | return *this; | |
114 | } | |
115 | ||
116 | //---------------------------------------------------------------------- | |
117 | AliMUONLocalTrigger::AliMUONLocalTrigger(const Int_t* localtr, const TArrayI& digits) | |
118 | { | |
119 | // add a local trigger object | |
120 | fLoCircuit = localtr[0]; | |
121 | fLoStripX = localtr[1]; | |
122 | fLoDev = localtr[2]; | |
123 | fLoStripY = localtr[3]; | |
124 | fLoLpt = localtr[4]; | |
125 | fLoHpt = localtr[5]; | |
126 | fLoApt = localtr[6]; | |
127 | ||
128 | // keep on with this way | |
129 | fX1Pattern = (UShort_t)localtr[7]; | |
130 | fX2Pattern = (UShort_t)localtr[8]; | |
131 | fX3Pattern = (UShort_t)localtr[9]; | |
132 | fX4Pattern = (UShort_t)localtr[10]; | |
133 | ||
134 | fY1Pattern = (UShort_t)localtr[11]; | |
135 | fY2Pattern = (UShort_t)localtr[12]; | |
136 | fY3Pattern = (UShort_t)localtr[13]; | |
137 | fY4Pattern = (UShort_t)localtr[14]; | |
138 | ||
139 | fDigits = digits; | |
140 | } | |
141 | //---------------------------------------------------------------------- | |
142 | Char_t AliMUONLocalTrigger::GetLoDecision() | |
143 | { | |
144 | // returns local trigger decision | |
145 | fLoDecision = (fLoLpt & 0x3); | |
146 | fLoDecision |= (fLoHpt << 2) & 0xC; | |
147 | ||
148 | return fLoDecision; | |
149 | } | |
150 | ||
151 | //---------------------------------------------------------------------- | |
152 | void AliMUONLocalTrigger::GetDigit( | |
153 | Int_t i, Int_t& chamber, Int_t& cathode, Int_t& digit | |
154 | ) const | |
155 | { | |
156 | // Returns the i'th digit that fired this circuit. | |
157 | // The number of digits can be found with NumberOfDigits(), that is | |
158 | // i is valid in the range [ 0 , NumberOfDigits() - 1 ] | |
159 | ||
160 | Int_t digitnumber = fDigits[i]; | |
161 | DecodeDigitNumber(digitnumber, chamber, cathode, digit); | |
162 | } | |
163 | ||
164 | //---------------------------------------------------------------------- | |
165 | Int_t AliMUONLocalTrigger::EncodeDigitNumber( | |
166 | Int_t chamber, Int_t cathode, Int_t digit | |
167 | ) | |
168 | { | |
169 | // Encodes a 32-bit digit number from digit information to be stored | |
170 | // in internal integer arrays. Note that the value of the digit parameter | |
171 | // can not be larger than 0x07FFFFFF. | |
172 | ||
173 | assert( 0 <= cathode && cathode <= 1 ); | |
174 | assert( 0 <= chamber && chamber <= 13 ); | |
175 | ||
176 | if ((digit & 0xF8000000) != 0) | |
177 | { | |
178 | AliErrorGeneral("AliMUONLocalTrigger", Form( | |
179 | "Digit index value is to large: 0x%8.8X. Maximum supported value is 0x07FFFFFF.", | |
180 | cathode, chamber, digit | |
181 | )); | |
182 | return -1; | |
183 | }; | |
184 | ||
185 | return ((cathode & 0x1) << 31) | ((chamber & 0xF) << 27) | digit; | |
186 | } | |
187 | ||
188 | //---------------------------------------------------------------------- | |
189 | void AliMUONLocalTrigger::DecodeDigitNumber( | |
190 | Int_t digitnumber, | |
191 | Int_t& chamber, Int_t& cathode, Int_t& digit | |
192 | ) | |
193 | { | |
194 | // Decodes a digit number into information about the digit. | |
195 | // One can subsequently fetch the digit with | |
196 | // AliMUONDataInterface::Digit(chamber, cathode, digit) | |
197 | ||
198 | cathode = (digitnumber >> 31) & 0x1; | |
199 | chamber = (digitnumber >> 27) & 0xF; | |
200 | digit = digitnumber & 0x7FFFFFF; | |
201 | } | |
202 |