///////    File: Poly.h    ///////
#include <iostream.h>

class Poly
{  public:
      Poly();                   // default constructor
      Poly(const int *p, int terms);  // constructor
      void display();           // display host object
      Poly operator+(const Poly& q) const;   // poly addition
      Poly operator-(const Poly& q) const;   // poly subtraction
      Poly operator*(const Poly& q) const;   // poly multiplication
      unsigned deg() const                  // degree
      {   return(*pol);  }  
      ~Poly() { delete [] pol; }       // destructor
      Poly(const Poly& p);             // copy constructor
      Poly& operator =(const Poly& p); // assignment
      /*  other members  */
   private:
      void s_to_d(int* buf, const int *p);
      unsigned s_deg(const int *p)    // sparse degree
      { return(p[0] > 0 ? p[0] : 0); }
      int  *pol;
};