// FILE: AddArr.cpp
// STORES THE SUM OF a[i] AND b[i] IN c[i]

void add_array
  (int size,					// IN: the size of the three arrays
   const apvector <double>& a,	// IN: the first array
   const apvector <double>& b,	// IN: the second array
            apvector <double>& c)	// OUT: result array

// Array elements with subscripts ranging from 0 to size-1
//    are summed element by element.
// Pre:  a[i] and b[i] (0 <= i <= size-1) are defined
// Post: c[i] = a[i] + b[i] (0 <= i <= size-1)

{
   // Local data ...
   int i;			// loop control variable
   // Add corresponding elements of a and b and store in c.
   for (i = 0; i < size; i++)
      c[i] = a[i] + b[i];
}  // end add_array