/// <summary>
/// Returns the minimum coordinate, using the usual lexicographic comparison.
/// </summary>
/// <param name="coordinates">Array to search.</param>
/// <returns>The minimum coordinate in the array, found using <c>CompareTo</c>.</returns>
public static ICoordinate MinCoordinate(ICoordinate[] coordinates)
{
ICoordinate minCoord = null;
for (int i = 0; i < coordinates.Length; i++)
{
if (minCoord == null || minCoord.CompareTo(coordinates[i]) > 0)
{
minCoord = coordinates[i];
}
}
return(minCoord);
}
/// <summary>
/// Determines whether two <see cref="Coordinate" /> arrays of equal length
/// are equal in opposite directions.
/// </summary>
/// <param name="pts1"></param>
/// <param name="pts2"></param>
/// <returns></returns>
private static bool IsEqualReversed(ICoordinate[] pts1, ICoordinate[] pts2)
{
for (int i = 0; i < pts1.Length; i++)
{
ICoordinate p1 = pts1[i];
ICoordinate p2 = pts2[pts1.Length - i - 1];
if (p1.CompareTo(p2) != 0)
{
return(false);
}
}
return(true);
}