BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtMRes.hh

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#ifndef __EVTMRES_HH__
#define __EVTMRES_HH__
 
#include "EvtGenBase/EvtMNode.hh"
 
class EvtMRes;
 
class EvtMLineShape {
 
    public:
 
        virtual ~EvtMLineShape() {};
 
        void setres( EvtMRes * n ) { _node = n; }
        virtual EvtComplex shape( const vector<EvtVector4R>& product ) const=0;
        
        virtual EvtMLineShape * duplicate() const=0;
 
    protected:
 
        EvtMRes * _node;
};
 
class EvtMRes : public EvtMNode {
    
    public:
 
        EvtMRes(){}
        virtual ~EvtMRes(){}
 
        int getnchild() const { return _children.size(); }
 
        virtual EvtComplex line( const vector<EvtVector4R>& product ) const 
        { return _lineshape->shape( product ); }
 
    protected:
 
        // store the child nodes
        vector<EvtMNode *> _children;
 
        // store the parametrization amplitudes in some kind 
        EvtSpinAmp _amp;
 
        // store the lineshape of the resonance
        EvtMLineShape * _lineshape;
 
};
 
#endif