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source: git/external/fastjet/tools/Boost.hh@ 7fc0708

Last change on this file since 7fc0708 was b7b836a, checked in by Pavel Demin <pavel-demin@…>, 6 years ago

update FastJet library to 3.3.1 and FastJet Contrib library to 1.036

  • Property mode set to 100644
File size: 3.0 KB
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1//FJSTARTHEADER
2// $Id: Boost.hh 4354 2018-04-22 07:12:37Z salam $
3//
4// Copyright (c) 2005-2018, 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. They are described in the original FastJet paper,
16// hep-ph/0512210 and in the manual, arXiv:1111.6097. If you use
17// FastJet as part of work towards a scientific publication, please
18// quote the version you use and include a citation to the manual and
19// optionally also to hep-ph/0512210.
20//
21// FastJet is distributed in the hope that it will be useful,
22// but WITHOUT ANY WARRANTY; without even the implied warranty of
23// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24// GNU General Public License for more details.
25//
26// You should have received a copy of the GNU General Public License
27// along with FastJet. If not, see <http://www.gnu.org/licenses/>.
28//----------------------------------------------------------------------
29//FJENDHEADER
30
31#ifndef __FASTJET_TOOL_BOOST_HH__
32#define __FASTJET_TOOL_BOOST_HH__
33
34#include <fastjet/PseudoJet.hh>
35#include <fastjet/FunctionOfPseudoJet.hh>
36#include <fastjet/PseudoJetStructureBase.hh>
37
38FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
39
40/// @ingroup tools_generic
41/// \class Boost
42/// Class to boost a PseudoJet
43///
44/// This is a FunctionOfPseudoJet with return type PseudoJet. Its
45/// action if to boost the PseudoJet by a boost vector passed to its
46/// constructor
47class Boost : public FunctionOfPseudoJet<PseudoJet>{
48public:
49 /// default ctor
50 Boost(const PseudoJet & jet_rest) : _jet_rest(jet_rest){}
51
52 /// the action of the function: boost the PseudoJet by a boost
53 /// vector _jet_rest
54 PseudoJet result(const PseudoJet & original) const{
55 PseudoJet res = original;
56 return res.boost(_jet_rest);
57 }
58
59protected:
60 PseudoJet _jet_rest; ///< the boost vector
61};
62
63/// @ingroup tools_generic
64/// \class Unboost
65/// Class to un-boost a PseudoJet
66///
67/// This is a FunctionOfPseudoJet with return type PseudoJet. Its
68/// action if to un-boost the PseudoJet back in the restframe of the
69/// PseudoJet passed to its constructor
70class Unboost : public FunctionOfPseudoJet<PseudoJet>{
71public:
72 /// default ctor
73 Unboost(const PseudoJet & jet_rest) : _jet_rest(jet_rest){}
74
75 /// the action of the function: boost the PseudoJet to the rest
76 /// frame of _jet_rest
77 PseudoJet result(const PseudoJet & original) const{
78 PseudoJet res = original;
79 return res.unboost(_jet_rest);
80 }
81
82protected:
83 PseudoJet _jet_rest; ///< the boost vector
84};
85
86FASTJET_END_NAMESPACE // defined in fastjet/internal/base.hh
87
88#endif // __FASTJET_TRANSFORMER_HH__
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