/usr/include/fastjet/tools/Boost.hh is in libfastjettools-dev 3.0.6+dfsg-1.
This file is owned by root:root, with mode 0o644.
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// $Id: Boost.hh 2689 2011-11-14 14:51:06Z soyez $
//
// Copyright (c) 2005-2011, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
//
//----------------------------------------------------------------------
// This file is part of FastJet.
//
// FastJet is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// The algorithms that underlie FastJet have required considerable
// development and are described in hep-ph/0512210. If you use
// FastJet as part of work towards a scientific publication, please
// include a citation to the FastJet paper.
//
// FastJet is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FastJet. If not, see <http://www.gnu.org/licenses/>.
//----------------------------------------------------------------------
//ENDHEADER
#ifndef __FASTJET_TOOL_BOOST_HH__
#define __FASTJET_TOOL_BOOST_HH__
#include <fastjet/PseudoJet.hh>
#include <fastjet/FunctionOfPseudoJet.hh>
#include <fastjet/PseudoJetStructureBase.hh>
FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
/// @ingroup tools_generic
/// \class Boost
/// Class to boost a PseudoJet
///
/// This is a FunctionOfPseudoJet with return type PseudoJet. Its
/// action if to boost the PseudoJet by a boost vector passed to its
/// constructor
class Boost : public FunctionOfPseudoJet<PseudoJet>{
public:
/// default ctor
Boost(const PseudoJet & jet_rest) : _jet_rest(jet_rest){}
/// the action of the function: boost the PseudoJet by a boost
/// vector _jet_rest
PseudoJet result(const PseudoJet & original) const{
PseudoJet res = original;
return res.boost(_jet_rest);
}
protected:
PseudoJet _jet_rest; ///< the boost vector
};
/// @ingroup tools_generic
/// \class Unboost
/// Class to un-boost a PseudoJet
///
/// This is a FunctionOfPseudoJet with return type PseudoJet. Its
/// action if to un-boost the PseudoJet back in the restframe of the
/// PseudoJet passed to its constructor
class Unboost : public FunctionOfPseudoJet<PseudoJet>{
public:
/// default ctor
Unboost(const PseudoJet & jet_rest) : _jet_rest(jet_rest){}
/// the action of the function: boost the PseudoJet to the rest
/// frame of _jet_rest
PseudoJet result(const PseudoJet & original) const{
PseudoJet res = original;
return res.unboost(_jet_rest);
}
protected:
PseudoJet _jet_rest; ///< the boost vector
};
FASTJET_END_NAMESPACE // defined in fastjet/internal/base.hh
#endif // __FASTJET_TRANSFORMER_HH__
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