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	#include "EvtGenBase/EvtPoint1D.hh"			#include "EvtGenBase/EvtPoint1D.hh"

	#include <assert.h>			#include <assert.h>

	// Defines propagator as a function of mass and width			// Defines propagator as a function of mass and width

	class EvtPropagator : public EvtAmplitude<EvtPoint1D> {			class EvtPropagator : public EvtAmplitude<EvtPoint1D> {
	public:			public:
	EvtPropagator( double m0, double g0 ) : _m0( m0 ), _g0( g0 )			EvtPropagator( double m0, double g0 ) : m_m0( m0 ), m_g0( g0 )
	{			{
	assert( m0 > 0 );			assert( m0 > 0 );
	assert( g0 >= 0 );			assert( g0 >= 0 );
	}			}

	// Accessors			// Accessors

	inline double m0() const { return _m0; }			inline double m0() const { return m_m0; }
	inline double g0() const { return _g0; }			inline double g0() const { return m_g0; }

	// Modifiers (can be useful e.g. for fitting!)			// Modifiers (can be useful e.g. for fitting!)

	inline void set_m0( double m0 )			inline void set_m0( double m0 )
	{			{
	assert( m0 > 0 );			assert( m0 > 0 );
	_m0 = m0;			m_m0 = m0;
	}			}
	inline void set_g0( double g0 )			inline void set_g0( double g0 )
	{			{
	assert( g0 >= 0 );			assert( g0 >= 0 );
	_g0 = g0;			m_g0 = g0;
	}			}

	protected:			protected:
	double _m0;			double m_m0;
	double _g0;			double m_g0;
	};			};

	#endif			#endif