// Fig. 16.7: deitel.math-impl.cpp
// Module implementation unit for the module deitel.math.
module deitel.math; // this file's contents belong to module deitel.math

import <numeric>;
import <vector>;

namespace deitel::math {
   // average function's implementation
   double average(const std::vector<int>& values) {
      double total{std::accumulate(values.begin(), values.end(), 0.0)};
      return total / values.size();
   }
};



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