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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 | ||
1d8ae082 | 6 | // $Id$ |
90a74d7a | 7 | |
8 | /** | |
9 | * @file AliHLTMUONPairsDecisionBlockStruct.h | |
10 | * @author Artur Szostak <artursz@iafrica.com> | |
1d8ae082 | 11 | * @date 21 May 2007 |
12 | * @brief Definition of internal dimuon HLT trigger decision data structure containing decision information for pairs of tracks. | |
13 | * | |
90a74d7a | 14 | * The structures are defined with C linkage since C generally gives us more |
15 | * binary compatibility between compilers. | |
16 | */ | |
17 | ||
18 | #include "AliHLTMUONDataTypes.h" | |
19 | ||
20 | extern "C" | |
21 | { | |
22 | ||
23 | /** | |
24 | * Structure contains information about the trigger decision for a pair of tracks. | |
25 | */ | |
26 | struct AliHLTMUONPairDecisionStruct | |
27 | { | |
28 | // The ID numbers of the tracks we are referring to. | |
29 | // These could also be trigger record ID numbers. | |
30 | AliHLTInt32_t fTrackAId; | |
31 | AliHLTInt32_t fTrackBId; | |
32 | ||
33 | // The trigger bits have the following meaning: | |
34 | // bit: [31 --- 7][ 6 ][ 5 ][ 4 ][3--2][1--0] | |
35 | // field: reserved hiM loM unlike hipt lopt | |
36 | // Reserved bits should be set to zero. | |
37 | // hiM == Pair passed the high invariant mass cut. | |
38 | // loM == Pair passed the low invariant mass cut. | |
39 | // unlike == is the pair an unlike sign pair. | |
40 | // hipt: 0 if neither track has pt > high pt cut, 1 if either has | |
41 | // and 2 if both have. A value of 3 is invalid. | |
42 | // lopt: 0 if neither track has pt > lo pt cut, 1 if either has | |
43 | // and 2 if both have. A value of 3 is invalid. | |
44 | AliHLTUInt32_t fTriggerBits; | |
45 | ||
46 | AliHLTFloat32_t fInvMass; // Invariant mass of the track pair assuming | |
47 | // they are both muons in (GeV/c^2) | |
48 | }; | |
49 | ||
50 | /** | |
51 | * AliHLTMUONPairsDecisionBlockStruct defines the format of the internal | |
52 | * dimuon HLT decision data block for pairs of tracks. | |
53 | */ | |
54 | struct AliHLTMUONPairsDecisionBlockStruct | |
55 | { | |
56 | AliHLTMUONDataBlockHeader fHeader; // Common data block header. | |
57 | ||
18ce6ea1 | 58 | // Number of unlike sign pt triggers for both tracks having any pt. |
59 | AliHLTUInt32_t fNunlikeAnyPt; | |
60 | ||
90a74d7a | 61 | // Number of unlike sign low pt triggers where both tracks have |
62 | // pt > low cut. | |
63 | AliHLTUInt32_t fNunlikeLowPt; | |
64 | ||
65 | // Number of unlike sign high pt triggers where both tracks have | |
66 | // pt > high cut. | |
67 | AliHLTUInt32_t fNunlikeHighPt; | |
68 | ||
18ce6ea1 | 69 | // Number of like sign pt triggers where both tracks have any pt. |
70 | AliHLTUInt32_t fNlikeAnyPt; | |
71 | ||
90a74d7a | 72 | // Number of like sign low pt triggers where both tracks have |
73 | // pt > low cut. | |
74 | AliHLTUInt32_t fNlikeLowPt; | |
75 | ||
76 | // Number of like sign high pt triggers where both tracks have | |
77 | // pt > high cut. | |
78 | AliHLTUInt32_t fNlikeHighPt; | |
79 | ||
80 | // Number of pairs that have invariant mass > low mass cut, any pt | |
81 | // and unlike sign. | |
82 | AliHLTUInt32_t fNmassAny; | |
83 | ||
84 | // Number of pairs that have invariant mass > low mass cut, | |
85 | // pt > low pt cut and unlike sign. | |
86 | AliHLTUInt32_t fNmassLow; | |
87 | ||
c9537879 | 88 | // Number of pairs that have invariant mass > high mass cut, |
90a74d7a | 89 | // pt > high pt cut and unlike sign. |
90 | AliHLTUInt32_t fNmassHigh; | |
91 | ||
92 | // Array of decisions for track pairs. | |
23ad6161 | 93 | //AliHLTMUONPairDecisionStruct fDecision[/*fHeader.fNrecords*/]; |
90a74d7a | 94 | }; |
95 | ||
96 | } // extern "C" | |
97 | ||
98 | ||
99 | /** | |
100 | * Stream operator for usage with std::ostream classes which prints the | |
101 | * trigger decision information for pairs of tracks in the following format: | |
18ce6ea1 | 102 | * {fTrackAId = xx, fTrackBId = yy, fTriggerBits = 0xZZ, fInvMass = ww} |
90a74d7a | 103 | */ |
104 | inline std::ostream& operator << ( | |
105 | std::ostream& stream, const AliHLTMUONPairDecisionStruct& trig | |
106 | ) | |
107 | { | |
108 | stream << "{fTrackAId = " << trig.fTrackAId | |
109 | << ", fTrackBId = " << trig.fTrackBId << ", fTriggerBits = " | |
110 | << std::showbase << std::hex << trig.fTriggerBits << std::dec | |
18ce6ea1 | 111 | << ", fInvMass = " << trig.fInvMass << "}"; |
90a74d7a | 112 | return stream; |
113 | } | |
114 | ||
115 | /** | |
116 | * Stream operator for usage with std::ostream classes which prints the | |
117 | * AliHLTMUONPairsDecisionBlockStruct in the following format: | |
118 | * {fHeader = aa, fNunlikeLowPt = bb, fNunlikeHighPt = cc, fNlikeLowPt = dd, | |
119 | * fNlikeHighPt = ee, fNmassAny = ff, fNmassLow = gg, fNmassHigh = hh | |
120 | * fDecision[] = [{..}, {..}, ...]} | |
121 | */ | |
122 | std::ostream& operator << ( | |
123 | std::ostream& stream, | |
124 | const AliHLTMUONPairsDecisionBlockStruct& block | |
125 | ); | |
126 | ||
127 | ||
128 | inline bool operator == ( | |
129 | const AliHLTMUONPairDecisionStruct& a, | |
130 | const AliHLTMUONPairDecisionStruct& b | |
131 | ) | |
132 | { | |
133 | return a.fTrackAId == b.fTrackAId and a.fTrackBId == b.fTrackBId | |
18ce6ea1 | 134 | and a.fTriggerBits == b.fTriggerBits |
90a74d7a | 135 | and a.fTriggerBits == b.fTriggerBits; |
136 | } | |
137 | ||
138 | inline bool operator != ( | |
139 | const AliHLTMUONPairDecisionStruct& a, | |
140 | const AliHLTMUONPairDecisionStruct& b | |
141 | ) | |
142 | { | |
143 | return not operator == (a, b); | |
144 | } | |
145 | ||
146 | ||
147 | bool operator == ( | |
148 | const AliHLTMUONPairsDecisionBlockStruct& a, | |
149 | const AliHLTMUONPairsDecisionBlockStruct& b | |
150 | ); | |
151 | ||
152 | inline bool operator != ( | |
153 | const AliHLTMUONPairsDecisionBlockStruct& a, | |
154 | const AliHLTMUONPairsDecisionBlockStruct& b | |
155 | ) | |
156 | { | |
157 | return not operator == (a, b); | |
158 | } | |
159 | ||
160 | #endif // ALIHLTMUONPAIRSDECISIONBLOCKSTRUCT_H |