/// <summary>
/// Compares two elements.
/// </summary>
/// <param name="x">First element</param>
/// <param name="y">Second element</param>
/// <returns>Ordinal difference between elements.</returns>
public int Compare(IElement x, IElement y)
{
IElement v1 = this.GetValue(x);
IElement v2 = this.GetValue(y);
return(this.sign * ElementOrder.Compare(v1, v2, this.node));
}
/// <summary>
/// Compares two elements.
/// </summary>
/// <param name="x">First element</param>
/// <param name="y">Second element</param>
/// <returns>Ordinal difference between elements.</returns>
public int Compare(IElement x, IElement y)
{
if (x is IVector v1 && y is IVector v2)
{
IElement e1 = v1.GetElement(this.index);
IElement e2 = v2.GetElement(this.index);
return(this.sign * ElementOrder.Compare(e1, e2, this.node));
}
