c02p104.txt

Data Abstraction & Problem Solving with C++源码

// Self-Test 1

double product(const double anArray[], int n)
// Precondition: 1 <= n <= max size of anArray.
// Postcondition: Returns the product of the first n
// items in anArray; anArray is unchanged.
{
   if (n == 1)
      return anArray[0];
   else
      return anArray[n-1] * product(anArray, n-1);
}  // end product