Function average10

Examples/Modules/Chapter 08/Ex8_09A.cpp:16–22

Function to compute an average

// Function to compute an average
double average10(const double (&array)[10])   /* Only arrays of length 10 can be passed! */
{
  double sum {};                       // Accumulate total in here
  for (size_t i {}; i < 10; ++i)
    sum += array[i];                   // Sum array elements
  return sum / 10;                     // Return average
}