SW_NHardest

Inheritance diagram for SW_NHardest:

Collaboration diagram for SW_NHardest:

Public Member Functions
	SW_NHardest (unsigned int n)
virtual bool	pass (const PseudoJet &) const
virtual void	terminator (vector< const PseudoJet * > &jets) const
virtual bool	applies_jet_by_jet () const
virtual string	description () const
Public Member Functions inherited from SelectorWorker
virtual	~SelectorWorker ()
virtual bool	takes_reference () const
virtual void	set_reference (const PseudoJet &)
virtual SelectorWorker *	copy ()
virtual void	get_rapidity_extent (double &rapmin, double &rapmax) const
virtual bool	is_geometric () const
virtual bool	has_finite_area () const
virtual bool	has_known_area () const
virtual double	known_area () const

Protected Attributes
unsigned int	_n

Constructor & Destructor Documentation

SW_NHardest()

SW_NHardest ( unsigned int  n )

inline

: _n(n) {};

Member Function Documentation

applies_jet_by_jet()

virtual bool applies_jet_by_jet ( ) const

inlinevirtual

Reimplemented from SelectorWorker.

{return false;}

description()

virtual string description ( ) const

inlinevirtual

Reimplemented from SelectorWorker.

                                     {
    ostringstream ostr;
    ostr << _n << " hardest";
    return ostr.str();
  }

pass()

virtual bool pass ( const PseudoJet &  ) const

inlinevirtual

Implements SelectorWorker.

                                             {
    if (!applies_jet_by_jet())
      throw Error("Cannot apply this selector worker to an individual jet");
    return false;
  }

terminator()

virtual void terminator ( vector< const PseudoJet * > &  jets ) const

inlinevirtual

Reimplemented from SelectorWorker.

                                                                  {
    if (jets.size() < _n) return;
    vector<double> minus_pt2(jets.size());
    vector<unsigned int> indices(jets.size());
    for (unsigned int i=0; i<jets.size(); i++){
      indices[i] = i;
      minus_pt2[i] = jets[i] ? -jets[i]->perp2() : 0.0;
    }
    IndexedSortHelper sort_helper(& minus_pt2);
    partial_sort(indices.begin(), indices.begin()+_n, indices.end(), sort_helper);
    for (unsigned int i=_n; i<jets.size(); i++)
      jets[indices[i]] = NULL;
  }

Member Data Documentation

_n

unsigned int _n

protected

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The documentation for this class was generated from the following file:

• /builds/cms-analysis/general/DasAnalysisSystem/Core/Installer/Core/JetObservables/src/fjcore.cc