Projection.fhh

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// -*- C++ -*-
#ifndef Rivet_Projection_FHH
#define Rivet_Projection_FHH

#include "Rivet/Cmp.fhh"


namespace Rivet {
  class Projection;
  typedef Projection* ProjectionPtr;
  typedef const Projection* ConstProjectionPtr;
}


namespace std {
  
  /// This is the function called when comparing two (const) pointers to Rivet::Projection.
  template <>
  struct less<const Rivet::Projection*>
    : public binary_function<const Rivet::Projection*, const Rivet::Projection*, bool> {
    bool operator()(const Rivet::Projection* x, const Rivet::Projection* y) const;
  };

}


namespace Rivet {

  /// Convenience method for casting to a const Projection reference.
  template <typename PROJ>
  inline const PROJ& pcast(const Projection& p) {
    return dynamic_cast<const PROJ&>(p);
  }
  
  
  /// Convenience method for casting to a const Projection pointer.
  template <typename PROJ>
  inline const PROJ* pcast(const Projection* p) {
    return dynamic_cast<const PROJ*>(p);
  }
 
}

#endif