fastjet::JadeBriefJet Class Reference

class to help run a JADE algorithm More...

Public Member Functions
void	init (const PseudoJet &jet)
double	distance (const JadeBriefJet *jet) const
double	beam_distance () const
Private Attributes
double	rt2E
double	nx
double	ny
double	nz

Detailed Description

class to help run a JADE algorithm

Definition at line 53 of file JadePlugin.cc.

Member Function Documentation

double fastjet::JadeBriefJet::beam_distance ( ) const [inline]

Definition at line 71 of file JadePlugin.cc.

00071                                {
00072     return numeric_limits<double>::max();
00073   }

double fastjet::JadeBriefJet::distance ( const JadeBriefJet * jet ) const [inline]

Definition at line 63 of file JadePlugin.cc.

References nx, ny, nz, and rt2E.

00063                                                   {
00064     double dij = 1 - nx*jet->nx
00065                    - ny*jet->ny
00066                    - nz*jet->nz;
00067     dij *= rt2E*jet->rt2E;
00068     return dij;
00069   }

void fastjet::JadeBriefJet::init ( const PseudoJet & jet ) [inline]

Definition at line 55 of file JadePlugin.cc.

References PseudoJet::E(), PseudoJet::modp2(), fastjet::norm(), PseudoJet::px(), PseudoJet::py(), and PseudoJet::pz().

00055                                    {
00056     double norm = 1.0/sqrt(jet.modp2());
00057     nx = jet.px() * norm;
00058     ny = jet.py() * norm;
00059     nz = jet.pz() * norm;
00060     rt2E = sqrt(2.0)*jet.E();
00061   }