public static void Main(String[] args)
{
var quantityArg = args.FirstOrDefault();
if (Int32.TryParse(quantityArg, out var quantity) && quantity >= 2)
{
var allCoordinates = GenerateCoordinates(quantity);
var minDistance =
GeodeticUtils.FindClosestCoordinates(allCoordinates, out var closest1, out var closest2);
var maxDistance =
GeodeticUtils.FindFirthestCoordinates(allCoordinates, out var furthest1, out var furthest2);
Console.WriteLine("Random location distance calculator");
Console.WriteLine($"\nGenerated {quantity} locations:");
foreach (var coordinate in allCoordinates)
{
Console.WriteLine($"Location: {coordinate}");
}
Console.WriteLine($"\nShortest: {minDistance}km");
Console.WriteLine($"{closest1} ~ {closest2}");
Console.WriteLine($"\nLongest: {maxDistance}km");
Console.WriteLine($"{furthest1} ~ {furthest2}");
}
else
{
Console.WriteLine("Error: first argument must be an integer no less than 2.");
}
}
public static void DistanceCalculationTest()
{
var testPoints = TestPoints;
var shortDistance = GeodeticUtils.DistanceBetweenKilometers(testPoints[0], testPoints[1]);
var expectedShortDistance = 4198.71459;
AssertDifferenceMinimal(shortDistance, expectedShortDistance);
var longDistance = GeodeticUtils.DistanceBetweenKilometers(testPoints[2], testPoints[3]);
var expectedLongDistance = 17891.05884;
AssertDifferenceMinimal(longDistance, expectedLongDistance);
}
public static void ClosestFurthestTest()
{
var points = TestPoints;
GeodeticUtils.FindClosestCoordinates(points, out var first, out var second);
if (first != points[0] || second != points[1])
{
throw new Exception();
}
GeodeticUtils.FindFirthestCoordinates(points, out var one, out var two);
if (one != points[2] || two != points[3])
{
throw new Exception();
}
}
