hugeint.h

c++大学教程配套书原代码第7-12章的

// Fig. 11.22: Hugeint.h 
// HugeInt class definition.
#ifndef HUGEINT_H
#define HUGEINT_H

#include <iostream>
using std::ostream;

class HugeInt
{
   friend ostream &operator<<( ostream &, const HugeInt & );
public:
   HugeInt( long = 0 ); // conversion/default constructor
   HugeInt( const char * ); // conversion constructor

   // addition operator; HugeInt + HugeInt
   HugeInt operator+( const HugeInt & ) const;

   // addition operator; HugeInt + int
   HugeInt operator+( int ) const;            

   // addition operator; 
   // HugeInt + string that represents large integer value
   HugeInt operator+( const char * ) const;    
private:
   short integer[ 30 ];
}; // end class HugeInt

#endif

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