**fig3_20.txt**

/* 1*/	#include <iostream.h>

/* 2*/	static const Max_Degree = 10;
/* 3*/	class Polynomial
/* 4*/	{
/* 5*/	  private:
/* 6*/	    int High_Power;
/* 7*/	    double *Coeff_Array;

/* 8*/	    // Friends.
/* 9*/	    friend Polynomial operator +( const Polynomial & Poly1,
/*10*/	                    const Polynomial & Poly2 );
/*11*/	    friend Polynomial operator *( const Polynomial & Poly1,
/*12*/	                    const Polynomial & Poly2 );

/*13*/	    friend ostream & operator << ( ostream & Out,
/*14*/	                    const Polynomial & Value );
/*15*/	    friend istream & operator >> ( istream & In,
/*16*/	                    Polynomial & Value );

/*17*/	  public:
/*18*/	    // Constructors.
/*19*/	    Polynomial( );
/*20*/	    Polynomial( Polynomial & Rvalue );

/*21*/	    // Destructors.
/*22*/	    ~Polynomial( ) { delete [ ] Coeff_Array; }

/*23*/	    // Operators.
/*24*/	    const Polynomial & operator =  ( const Polynomial & Rvalue );
/*25*/	    int  operator == ( const Polynomial & Rvalue );
/*26*/	};