/// <summary>
/// Allow indexing into the matrix based on the matrix key
/// <para>i.e. Matrix<</para>
/// <example>Matrix<T1,T2,V> mat = new Matrix<T1,T2,V>();
/// var key = new MatrixKey<T1,T2>(hval, vval);
/// V x = mat[key];
/// mat[key] = x;</example>
/// </summary>
/// <param name="key">The key for the matrix</param>
/// <returns>The value in the matrix at the particular key reference point</returns>
public T this[MatrixKey <HType, VType> key]
{
get
{
return(MatrixMap[key]);
}
private set
{
MatrixMap[key] = value;
}
}
public override bool Equals(object obj)
{
MatrixKey <HType, VType> rhs = obj as MatrixKey <HType, VType>;
if (rhs == null)
{
return(false);
}
return(HorizontalKey.Equals(rhs.HorizontalKey) &&
VerticalKey.Equals(rhs.VerticalKey));
}
/// <summary>
/// Add a value into the matrix based on the supplied key values.
/// <para>If both key types are of the same base type then
/// a reverse key entry will also be added into the matrix</para>
/// </summary>
/// <param name="hKey">The key for the horizontal axis of the matrix</param>
/// <param name="vKey">The key for the vertical axis of the matrix</param>
/// <param name="value">The value to be stored in the matrix at the keyed position</param>
public void Add(HType hKey, VType vKey, T value)
{
MatrixKey <HType, VType> key = new MatrixKey <HType, VType>(hKey, vKey);
MatrixMap[key] = value;
// If both keys are of the same type then also add them reversed into the matrix
if (hKey is VType)
{
key = new MatrixKey <HType, VType>(vKey as HType, hKey as VType);
MatrixMap[key] = value;
}
}
/// <summary>
/// Allow indexing into the matrix using the horizontal and vertical index
/// references as parameters without requiring key construction
/// </summary>
/// <param name="hKey">The horizontal index value</param>
/// <param name="vKey">The vertical index value</param>
/// <returns>The value in the matrix at the particular reference point</returns>
public T this[HType hKey, VType vKey]
{
get
{
MatrixKey <HType, VType> key = new MatrixKey <HType, VType>(hKey, vKey);
return(this[key]);
}
private set
{
MatrixKey <HType, VType> key = new MatrixKey <HType, VType>(hKey, vKey);
this[key] = value;
}
}