Function my_hypot

Examples/NoModules/Chapter 11/Ex11_08/Ex11_08.cpp:6–13

Make names from the math namespace available locally */

/* Make names from the math namespace available locally */
auto my_hypot(const auto& x, const auto& y) // Renamed to my_hypot to avoid clashes with hypot() function in <cmath>
{
  using namespace math;
  // Or:
  //   using math::square;
  //   using math::sqrt;    /* Same as, of course: using std::sqrt; */
  return sqrt(square(x) + square(y));
}

int main()
{