InitialQuarks.hh

// -*- C++ -*-
#ifndef RIVET_InitialQuarks_HH
#define RIVET_InitialQuarks_HH
 
#ifndef I_KNOW_THE_INITIAL_QUARKS_PROJECTION_IS_DODGY_BUT_NEED_TO_USE_IT
#warning "This is a dangerous projection for a few specific old analyses. Not for general use!"
#endif
 
#include "Rivet/Projection.hh"
#include "Rivet/Particle.hh"
#include "Rivet/Event.hh"
 
namespace Rivet {
 
 
  class InitialQuarks : public Projection {
  public:
 
    InitialQuarks() {
      setName("InitialQuarks");
    }
 
    RIVET_DEFAULT_PROJ_CLONE(InitialQuarks);
 
 
    using Projection::operator =;
 
 
    virtual const Particles& particles() const { return _theParticles; }
 
    virtual bool empty() const { return _theParticles.empty(); }
 
 
  protected:
 
    virtual void project(const Event& e);
 
    virtual CmpState compare(const Projection&) const {
      return CmpState::EQ;
    }
 
 
  protected:
 
    Particles _theParticles;
 
  };
 
 
}
 
#endif