arithmetic.h

《c＋＋大学教程实验指导书》源码

// Chapter 11 of C++ How to Program
// Debugging problem (arithmetic.h)

#ifndef ARITHMETIC_H
#define ARITHMETIC_H

// template class Arithmetic
template< T >
class Arithmetic {

public:
   Arithmetic( T, T );
   T addition() const;
   T subtraction() const;
   T multiplication() const;
   T division() const;

private:
   int value1;
   int value2;

}; // end class Arithmetic

// constructor
Arithmetic::Arithmetic( T v1, T v2 )
{
   value1 = v1;
   value2 = v2;

} // end class Arithmetic constructor

// template function addition
template< class T >
T Arithmetic::addition() const
{
   return value1 + value2; 

} // end function addition

// template function subtraction
template< class T >
T Arithmetic< T >::subtraction() const
{
   return value1 - value2;

} // end function subtraction

// template function multiplication
template< class T >
T Arithmetic< T >::multiplication() const 
{
   return value1 * value2; 

} // end function multiplication

// template function division
template< class X >
X Arithmetic< X >::division() const
{
   return val1 / val2;

} // end function division

#endif //ARITHMETIC_H

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