CompositeJetStructure.cc

//STARTHEADER
// $Id: CompositeJetStructure.cc 1985 2011-03-09 22:26:40Z soyez $
//
// Copyright (c) 2005-2011, Matteo Cacciari, Gavin 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
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#include <fastjet/CompositeJetStructure.hh>

FASTJET_BEGIN_NAMESPACE      // defined in fastjet/internal/base.hh

using namespace std;


//-------------------------------------------------------------------------------
// \class CompositeJetStructure
// The structure for a jet made of pieces
//
// This stores the vector of the pieces that make the jet and provide
// the methods to access them
// -------------------------------------------------------------------------------

// description
std::string CompositeJetStructure::description() const{ 
  string str = "Composite PseudoJet";
  return str; 
}



// things reimplemented from the base structure
//------------------------------------------------------------------------------
bool CompositeJetStructure::has_constituents() const{
  for (vector<PseudoJet>::const_iterator pit=_pieces.begin(); pit!=_pieces.end(); pit++)
    if (!pit->has_constituents()) return false;

  return true;
}

std::vector<PseudoJet> CompositeJetStructure::constituents(const PseudoJet &jet) const{
  // the following code automatically throws an Error if any of the
  // pieces has no constituents
  vector<PseudoJet> all_constituents = _pieces[0].constituents();
  for (unsigned i = 1; i < _pieces.size(); i++) {
    vector<PseudoJet> constits = _pieces[i].constituents();
    copy(constits.begin(), constits.end(), back_inserter(all_constituents));
  }
 
  return all_constituents;
}

std::vector<PseudoJet> CompositeJetStructure::pieces(const PseudoJet &jet) const{
  return _pieces;
}


FASTJET_END_NAMESPACE      // defined in fastjet/internal/base.hh