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90a74d7a | 1 | #ifndef ALIHLTMUONPAIRSDECISIONBLOCKSTRUCT_H |
2 | #define ALIHLTMUONPAIRSDECISIONBLOCKSTRUCT_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | /** | |
9 | * @file AliHLTMUONPairsDecisionBlockStruct.h | |
10 | * @author Artur Szostak <artursz@iafrica.com> | |
11 | * @date | |
12 | * @brief Definition of internal dimuon HLT trigger decision data structure | |
13 | * containing decision information for pairs of tracks. | |
14 | * | |
15 | * The structures are defined with C linkage since C generally gives us more | |
16 | * binary compatibility between compilers. | |
17 | */ | |
18 | ||
19 | #include "AliHLTMUONDataTypes.h" | |
20 | ||
21 | extern "C" | |
22 | { | |
23 | ||
24 | /** | |
25 | * Structure contains information about the trigger decision for a pair of tracks. | |
26 | */ | |
27 | struct AliHLTMUONPairDecisionStruct | |
28 | { | |
29 | // The ID numbers of the tracks we are referring to. | |
30 | // These could also be trigger record ID numbers. | |
31 | AliHLTInt32_t fTrackAId; | |
32 | AliHLTInt32_t fTrackBId; | |
33 | ||
34 | // The trigger bits have the following meaning: | |
35 | // bit: [31 --- 7][ 6 ][ 5 ][ 4 ][3--2][1--0] | |
36 | // field: reserved hiM loM unlike hipt lopt | |
37 | // Reserved bits should be set to zero. | |
38 | // hiM == Pair passed the high invariant mass cut. | |
39 | // loM == Pair passed the low invariant mass cut. | |
40 | // unlike == is the pair an unlike sign pair. | |
41 | // hipt: 0 if neither track has pt > high pt cut, 1 if either has | |
42 | // and 2 if both have. A value of 3 is invalid. | |
43 | // lopt: 0 if neither track has pt > lo pt cut, 1 if either has | |
44 | // and 2 if both have. A value of 3 is invalid. | |
45 | AliHLTUInt32_t fTriggerBits; | |
46 | ||
47 | AliHLTFloat32_t fInvMass; // Invariant mass of the track pair assuming | |
48 | // they are both muons in (GeV/c^2) | |
49 | }; | |
50 | ||
51 | /** | |
52 | * AliHLTMUONPairsDecisionBlockStruct defines the format of the internal | |
53 | * dimuon HLT decision data block for pairs of tracks. | |
54 | */ | |
55 | struct AliHLTMUONPairsDecisionBlockStruct | |
56 | { | |
57 | AliHLTMUONDataBlockHeader fHeader; // Common data block header. | |
58 | ||
18ce6ea1 | 59 | // Number of unlike sign pt triggers for both tracks having any pt. |
60 | AliHLTUInt32_t fNunlikeAnyPt; | |
61 | ||
90a74d7a | 62 | // Number of unlike sign low pt triggers where both tracks have |
63 | // pt > low cut. | |
64 | AliHLTUInt32_t fNunlikeLowPt; | |
65 | ||
66 | // Number of unlike sign high pt triggers where both tracks have | |
67 | // pt > high cut. | |
68 | AliHLTUInt32_t fNunlikeHighPt; | |
69 | ||
18ce6ea1 | 70 | // Number of like sign pt triggers where both tracks have any pt. |
71 | AliHLTUInt32_t fNlikeAnyPt; | |
72 | ||
90a74d7a | 73 | // Number of like sign low pt triggers where both tracks have |
74 | // pt > low cut. | |
75 | AliHLTUInt32_t fNlikeLowPt; | |
76 | ||
77 | // Number of like sign high pt triggers where both tracks have | |
78 | // pt > high cut. | |
79 | AliHLTUInt32_t fNlikeHighPt; | |
80 | ||
81 | // Number of pairs that have invariant mass > low mass cut, any pt | |
82 | // and unlike sign. | |
83 | AliHLTUInt32_t fNmassAny; | |
84 | ||
85 | // Number of pairs that have invariant mass > low mass cut, | |
86 | // pt > low pt cut and unlike sign. | |
87 | AliHLTUInt32_t fNmassLow; | |
88 | ||
89 | // Number of pairs that have invariant mass > low mass cut, | |
90 | // pt > high pt cut and unlike sign. | |
91 | AliHLTUInt32_t fNmassHigh; | |
92 | ||
93 | // Array of decisions for track pairs. | |
e83e889b | 94 | #ifndef __SUNPRO_CC |
90a74d7a | 95 | AliHLTMUONPairDecisionStruct fDecision[/*fHeader.fNrecords*/]; |
e83e889b | 96 | #else |
97 | AliHLTMUONPairDecisionStruct fDecision[1]; | |
98 | #endif | |
90a74d7a | 99 | }; |
100 | ||
101 | } // extern "C" | |
102 | ||
103 | ||
104 | /** | |
105 | * Stream operator for usage with std::ostream classes which prints the | |
106 | * trigger decision information for pairs of tracks in the following format: | |
18ce6ea1 | 107 | * {fTrackAId = xx, fTrackBId = yy, fTriggerBits = 0xZZ, fInvMass = ww} |
90a74d7a | 108 | */ |
109 | inline std::ostream& operator << ( | |
110 | std::ostream& stream, const AliHLTMUONPairDecisionStruct& trig | |
111 | ) | |
112 | { | |
113 | stream << "{fTrackAId = " << trig.fTrackAId | |
114 | << ", fTrackBId = " << trig.fTrackBId << ", fTriggerBits = " | |
115 | << std::showbase << std::hex << trig.fTriggerBits << std::dec | |
18ce6ea1 | 116 | << ", fInvMass = " << trig.fInvMass << "}"; |
90a74d7a | 117 | return stream; |
118 | } | |
119 | ||
120 | /** | |
121 | * Stream operator for usage with std::ostream classes which prints the | |
122 | * AliHLTMUONPairsDecisionBlockStruct in the following format: | |
123 | * {fHeader = aa, fNunlikeLowPt = bb, fNunlikeHighPt = cc, fNlikeLowPt = dd, | |
124 | * fNlikeHighPt = ee, fNmassAny = ff, fNmassLow = gg, fNmassHigh = hh | |
125 | * fDecision[] = [{..}, {..}, ...]} | |
126 | */ | |
127 | std::ostream& operator << ( | |
128 | std::ostream& stream, | |
129 | const AliHLTMUONPairsDecisionBlockStruct& block | |
130 | ); | |
131 | ||
132 | ||
133 | inline bool operator == ( | |
134 | const AliHLTMUONPairDecisionStruct& a, | |
135 | const AliHLTMUONPairDecisionStruct& b | |
136 | ) | |
137 | { | |
138 | return a.fTrackAId == b.fTrackAId and a.fTrackBId == b.fTrackBId | |
18ce6ea1 | 139 | and a.fTriggerBits == b.fTriggerBits |
90a74d7a | 140 | and a.fTriggerBits == b.fTriggerBits; |
141 | } | |
142 | ||
143 | inline bool operator != ( | |
144 | const AliHLTMUONPairDecisionStruct& a, | |
145 | const AliHLTMUONPairDecisionStruct& b | |
146 | ) | |
147 | { | |
148 | return not operator == (a, b); | |
149 | } | |
150 | ||
151 | ||
152 | bool operator == ( | |
153 | const AliHLTMUONPairsDecisionBlockStruct& a, | |
154 | const AliHLTMUONPairsDecisionBlockStruct& b | |
155 | ); | |
156 | ||
157 | inline bool operator != ( | |
158 | const AliHLTMUONPairsDecisionBlockStruct& a, | |
159 | const AliHLTMUONPairsDecisionBlockStruct& b | |
160 | ) | |
161 | { | |
162 | return not operator == (a, b); | |
163 | } | |
164 | ||
165 | #endif // ALIHLTMUONPAIRSDECISIONBLOCKSTRUCT_H |