| [d7d2da3] | 1 | #ifndef _CLUSTER_COMPARISONS_HH_
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| 2 | #define _CLUSTER_COMPARISONS_HH_
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| 3 |
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| 4 | //----------------------------------------------------------------------
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| 5 | // This file distributed with FastJet has been obtained from
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| 6 | // http://www.pa.msu.edu/~huston/Les_Houches_2005/JetClu+Midpoint-StandAlone.tgz
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| 7 | //
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| 8 | // Permission to distribute it with FastJet has been granted by Joey
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| 9 | // Huston (see the COPYING file in the main FastJet directory for
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| 10 | // details).
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| 11 | // Changes from the original file are listed below.
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| 12 | //----------------------------------------------------------------------
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| 13 |
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| 14 | // History of changes compared to the original ClusterComparison.hh file
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| 15 | //
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| 16 | // 2009-01-17 Gregory Soyez <soyez@fastjet.fr>
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| 17 | //
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| 18 | // * put the code in the fastjet::cdf namespace
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| 19 | //
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| 20 | // 2007-03-10 Gavin Salam <salam@lpthe.jussieu.fr>
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| 21 | //
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| 22 | // * added support for the pttilde scale choice in the CDF midpoint code
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| 23 | //
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| 24 | // 2007-02-21 Gavin Salam <salam@lpthe.jussieu.fr>
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| 25 | //
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| 26 | // * added option of choosing the scale used in the split-merge
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| 27 | // procedure (pt [default], Et or mt)
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| 28 | //
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| 29 | // 2006-09-24 Gavin Salam <salam@lpthe.jussieu.fr>
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| 30 | //
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| 31 | // * added JetClu+MidPoint to FastJet
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| 32 |
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| 33 | #include "Cluster.hh"
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| 34 |
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| 35 | #include <fastjet/internal/base.hh>
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| 36 |
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| 37 | FASTJET_BEGIN_NAMESPACE
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| 38 |
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| 39 | namespace cdf{
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| 40 |
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| 41 | class ClusterFourVectorEtGreater
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| 42 | {
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| 43 | public:
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| 44 | int operator()(const Cluster& c1, const Cluster& c2) const
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| 45 | {
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| 46 | return c1.fourVector.Et() > c2.fourVector.Et();
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| 47 | }
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| 48 | };
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| 49 |
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| 50 | class ClusterCentroidEtGreater
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| 51 | {
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| 52 | public:
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| 53 | int operator()(const Cluster& c1, const Cluster& c2) const
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| 54 | {
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| 55 | return c1.centroid.Et > c2.centroid.Et;
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| 56 | }
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| 57 | };
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| 58 |
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| 59 | class ClusterPtGreater
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| 60 | {
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| 61 | public:
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| 62 | int operator()(const Cluster& c1, const Cluster& c2) const
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| 63 | {
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| 64 | return c1.fourVector.pt() > c2.fourVector.pt();
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| 65 | }
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| 66 | };
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| 67 |
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| 68 | class ClusterMtGreater
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| 69 | {
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| 70 | public:
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| 71 | int operator()(const Cluster& c1, const Cluster& c2) const
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| 72 | {
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| 73 | return c1.fourVector.mt() > c2.fourVector.mt();
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| 74 | }
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| 75 | };
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| 76 |
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| 77 | class ClusterPtTildeGreater
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| 78 | {
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| 79 | public:
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| 80 | int operator()(const Cluster& c1, const Cluster& c2) const
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| 81 | {
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| 82 | return c1.pt_tilde > c2.pt_tilde;
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| 83 | }
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| 84 | };
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| 85 |
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| 86 | } // namespace cdf
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| 87 |
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| 88 | FASTJET_END_NAMESPACE
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| 89 |
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| 90 | #endif
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