// Example of using the GeographicLib::Utility class #include #include #include using namespace std; using namespace GeographicLib; int main() { try { int d1 = Utility::day(1939, 9, 3), // Britain declares war on Germany d2 = Utility::day(1945, 8, 15); // Japan surrenders cout << d2 - d1 << "\n"; // Length of Second World War for Britain } catch (const exception& e) { cerr << "Caught exception: " << e.what() << "\n"; return 1; } }