1 | #ifndef _CLUSTER_COMPARISONS_HH_ |
---|
2 | #define _CLUSTER_COMPARISONS_HH_ |
---|
3 | |
---|
4 | //---------------------------------------------------------------------- |
---|
5 | // This file distributed with FastJet has been obtained from |
---|
6 | // http://www.pa.msu.edu/~huston/Les_Houches_2005/JetClu+Midpoint-StandAlone.tgz |
---|
7 | // |
---|
8 | // Permission to distribute it with FastJet has been granted by Joey |
---|
9 | // Huston (see the COPYING file in the main FastJet directory for |
---|
10 | // details). |
---|
11 | // Changes from the original file are listed below. |
---|
12 | //---------------------------------------------------------------------- |
---|
13 | |
---|
14 | // History of changes compared to the original ClusterComparison.hh file |
---|
15 | // |
---|
16 | // 2009-01-17 Gregory Soyez <soyez@fastjet.fr> |
---|
17 | // |
---|
18 | // * put the code in the fastjet::cdf namespace |
---|
19 | // |
---|
20 | // 2007-03-10 Gavin Salam <salam@lpthe.jussieu.fr> |
---|
21 | // |
---|
22 | // * added support for the pttilde scale choice in the CDF midpoint code |
---|
23 | // |
---|
24 | // 2007-02-21 Gavin Salam <salam@lpthe.jussieu.fr> |
---|
25 | // |
---|
26 | // * added option of choosing the scale used in the split-merge |
---|
27 | // procedure (pt [default], Et or mt) |
---|
28 | // |
---|
29 | // 2006-09-24 Gavin Salam <salam@lpthe.jussieu.fr> |
---|
30 | // |
---|
31 | // * added JetClu+MidPoint to FastJet |
---|
32 | |
---|
33 | #include "Cluster.hh" |
---|
34 | |
---|
35 | #include <fastjet/internal/base.hh> |
---|
36 | |
---|
37 | FASTJET_BEGIN_NAMESPACE |
---|
38 | |
---|
39 | namespace cdf{ |
---|
40 | |
---|
41 | class ClusterFourVectorEtGreater |
---|
42 | { |
---|
43 | public: |
---|
44 | int operator()(const Cluster& c1, const Cluster& c2) const |
---|
45 | { |
---|
46 | return c1.fourVector.Et() > c2.fourVector.Et(); |
---|
47 | } |
---|
48 | }; |
---|
49 | |
---|
50 | class ClusterCentroidEtGreater |
---|
51 | { |
---|
52 | public: |
---|
53 | int operator()(const Cluster& c1, const Cluster& c2) const |
---|
54 | { |
---|
55 | return c1.centroid.Et > c2.centroid.Et; |
---|
56 | } |
---|
57 | }; |
---|
58 | |
---|
59 | class ClusterPtGreater |
---|
60 | { |
---|
61 | public: |
---|
62 | int operator()(const Cluster& c1, const Cluster& c2) const |
---|
63 | { |
---|
64 | return c1.fourVector.pt() > c2.fourVector.pt(); |
---|
65 | } |
---|
66 | }; |
---|
67 | |
---|
68 | class ClusterMtGreater |
---|
69 | { |
---|
70 | public: |
---|
71 | int operator()(const Cluster& c1, const Cluster& c2) const |
---|
72 | { |
---|
73 | return c1.fourVector.mt() > c2.fourVector.mt(); |
---|
74 | } |
---|
75 | }; |
---|
76 | |
---|
77 | class ClusterPtTildeGreater |
---|
78 | { |
---|
79 | public: |
---|
80 | int operator()(const Cluster& c1, const Cluster& c2) const |
---|
81 | { |
---|
82 | return c1.pt_tilde > c2.pt_tilde; |
---|
83 | } |
---|
84 | }; |
---|
85 | |
---|
86 | } // namespace cdf |
---|
87 | |
---|
88 | FASTJET_END_NAMESPACE |
---|
89 | |
---|
90 | #endif |
---|