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	#include "EvtGenBase/EvtMNode.hh"			#include "EvtGenBase/EvtMNode.hh"

	class EvtMRes;			class EvtMRes;

	class EvtMLineShape {			class EvtMLineShape {
	public:			public:
	virtual ~EvtMLineShape(){};			virtual ~EvtMLineShape(){};

	void setres( EvtMRes* n ) { _node = n; }			void setres( EvtMRes* n ) { m_node = n; }
	virtual EvtComplex shape( const vector<EvtVector4R>& product ) const = 0;			virtual EvtComplex shape( const vector<EvtVector4R>& product ) const = 0;

	virtual EvtMLineShape* duplicate() const = 0;			virtual EvtMLineShape* duplicate() const = 0;

	protected:			protected:
	EvtMRes* _node;			EvtMRes* m_node;
	};			};

	class EvtMRes : public EvtMNode {			class EvtMRes : public EvtMNode {
	public:			public:
	~EvtMRes();			~EvtMRes();

	int getnchild() const override { return _children.size(); }			int getnchild() const override { return m_children.size(); }

	EvtComplex line( const vector<EvtVector4R>& product ) const override			EvtComplex line( const vector<EvtVector4R>& product ) const override
	{			{
	return _lineshape->shape( product );			return m_lineshape->shape( product );
	}			}

	protected:			protected:
	// store the child nodes			// store the child nodes
	vector<EvtMNode*> _children;			vector<EvtMNode*> m_children;

	// store the parametrization amplitudes in some kind			// store the parametrization amplitudes in some kind
	EvtSpinAmp _amp;			EvtSpinAmp m_amp;

	// store the lineshape of the resonance			// store the lineshape of the resonance
	EvtMLineShape* _lineshape;			EvtMLineShape* m_lineshape;
	};			};

	#endif			#endif