c-resources/CPlusPlus20ForProgrammers-m.../examples/ch16/fig16_06-08/deitel.math-impl.cpp

32 lines
1.5 KiB
C++

// 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();
}
};
/*************************************************************************
* (C) Copyright 1992-2021 by Deitel & Associates, Inc. and *
* Pearson Education, Inc. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
**************************************************************************/