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/Event.hh"
#include "Rivet/Particle.hh"
#include "Rivet/Projection.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