// FILE: CmpSumAv.cpp
// COMPUTES THE SUM AND AVERAGE OF NUM1 AND NUM2

void compute_sum_ave
   (double num1, double num2,	// IN: values used in computation
    double& sum,				// OUT: sum of num1 and num2
    double& average)			// OUT: average of num1 and num2

// Pre:  num1 and num2 are assigned values.
// Post: The sum and average of num1 and num2 are computed
//       and returned as output arguments.
{
   sum = num1 + num2;
   average = sum / 2.0;
}  // end compute_sum_ave