source: HiSusy/trunk/Delphes/Delphes-3.0.9/external/fastjet/ClusterSequence1GhostPassiveArea.hh @ 5

Last change on this file since 5 was 5, checked in by zerwas, 11 years ago

update to Delphes-3.0.9

File size: 3.6 KB
Line 
1//STARTHEADER
2// $Id: ClusterSequence1GhostPassiveArea.hh 2687 2011-11-14 11:17:51Z soyez $
3//
4// Copyright (c) 2005-2011, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
5//
6//----------------------------------------------------------------------
7// This file is part of FastJet.
8//
9//  FastJet is free software; you can redistribute it and/or modify
10//  it under the terms of the GNU General Public License as published by
11//  the Free Software Foundation; either version 2 of the License, or
12//  (at your option) any later version.
13//
14//  The algorithms that underlie FastJet have required considerable
15//  development and are described in hep-ph/0512210. If you use
16//  FastJet as part of work towards a scientific publication, please
17//  include a citation to the FastJet paper.
18//
19//  FastJet is distributed in the hope that it will be useful,
20//  but WITHOUT ANY WARRANTY; without even the implied warranty of
21//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22//  GNU General Public License for more details.
23//
24//  You should have received a copy of the GNU General Public License
25//  along with FastJet. If not, see <http://www.gnu.org/licenses/>.
26//----------------------------------------------------------------------
27//ENDHEADER
28
29#ifndef __FASTJET_CLUSTERSEQUENCE1GHOSTPASSIVEAREA_HH__
30#define __FASTJET_CLUSTERSEQUENCE1GHOSTPASSIVEAREA_HH__
31
32
33#include "fastjet/PseudoJet.hh"
34#include "fastjet/ClusterSequenceAreaBase.hh"
35#include "fastjet/ClusterSequenceActiveArea.hh"
36#include<iostream>
37#include<vector>
38
39FASTJET_BEGIN_NAMESPACE      // defined in fastjet/internal/base.hh
40
41//using namespace std;
42
43/// @ingroup sec_area_classes
44/// \class ClusterSequence1GhostPassiveArea
45/// Like ClusterSequence with computation of the passive jet area by
46/// adding a single ghost
47///
48/// Class that behaves essentially like ClusterSequence except
49/// that it also provides access to the area of a jet (which
50/// will be a random quantity... Figure out what to do about seeds
51/// later...)
52///
53/// This class should not be used directly. Rather use
54/// ClusterSequenceArea
55class ClusterSequence1GhostPassiveArea : public ClusterSequenceActiveArea {
56public:
57
58  ClusterSequence1GhostPassiveArea() {}
59
60  /// constructor based on JetDefinition and 1GhostPassiveAreaSpec
61  template<class L> ClusterSequence1GhostPassiveArea
62         (const std::vector<L> & pseudojets, 
63          const JetDefinition & jet_def_in,
64          const GhostedAreaSpec & area_spec,
65          const bool & writeout_combinations = false) ;
66
67  /// return an estimate for the number of empty jets -- one uses the
68  /// AreaBase one rather than the ActiveArea one (which for which we
69  /// do not have the information).
70  virtual double n_empty_jets(const Selector & selector) const {
71    return ClusterSequenceAreaBase::n_empty_jets(selector);
72  }
73
74protected:
75  /// does the initialisation and running specific to the passive
76  /// areas class
77  void _initialise_and_run_1GPA (const JetDefinition & jet_def_in,
78                               const GhostedAreaSpec & area_spec,
79                               const bool & writeout_combinations = false);
80
81private:
82
83  void _run_1GPA(const GhostedAreaSpec & area_spec);
84};
85
86
87
88
89template<class L> ClusterSequence1GhostPassiveArea::ClusterSequence1GhostPassiveArea
90(const std::vector<L> & pseudojets, 
91 const JetDefinition & jet_def_in,
92 const GhostedAreaSpec & area_spec,
93 const bool & writeout_combinations) {
94
95  // transfer the initial jets (type L) into our own array
96  _transfer_input_jets(pseudojets);
97
98  // run the clustering for passive areas
99  _initialise_and_run_1GPA(jet_def_in, area_spec, writeout_combinations);
100
101}
102
103
104 
105FASTJET_END_NAMESPACE
106
107#endif // __FASTJET_CLUSTERSEQUENCE1GHOSTPASSIVEAREA_HH__
Note: See TracBrowser for help on using the repository browser.