/// <summary>
/// Gets sum of two static matrix
/// </summary>
/// <typeparam name="T">Type of items.</typeparam>
/// <param name="firstMatrix">First static matrix.</param>
/// <param name="secondMatrix">Second static matrix.</param>
/// <returns>Static matrix that represent sum of two static matrix</returns>
/// <exception cref="ArgumentNullException">
/// Thrown when first or second matrix is null.
/// </exception>
/// <exception cref="ArgumentException">
/// Thrown when size of two matrix are incompatible
/// </exception>
public static RectangleMatrix <T> Sum <T>(this StaticMatrix <T> firstMatrix, StaticMatrix <T> secondMatrix)
{
if (firstMatrix == null || secondMatrix == null)
{
throw new ArgumentNullException("Matrix must be not null");
}
if (firstMatrix.RowsCount != secondMatrix.RowsCount ||
firstMatrix.ColumnsCount != secondMatrix.ColumnsCount)
{
throw new ArgumentException("Incompatible sizes of two matrix");
}
var itemsTable = new T[firstMatrix.RowsCount, firstMatrix.ColumnsCount];
for (var i = 0; i < firstMatrix.RowsCount; i++)
{
for (var j = 0; j < firstMatrix.ColumnsCount; j++)
{
itemsTable[i, j] = (dynamic)firstMatrix[i, j] + (dynamic)secondMatrix[i, j];
}
}
return(new RectangleMatrix <T>(itemsTable));
}
/// <summary>
/// Creates static matrix from another static matrix.
/// </summary>
/// <param name="matrix">Static matrix.</param>
/// <exception cref="ArgumentNullException">
/// Thrown when matrix is null.
/// </exception>
public StaticMatrix(StaticMatrix <T> matrix)
{
if (matrix == null)
{
throw new ArgumentNullException("Matrix must be not null");
}
_items = new T[matrix.RowsCount, matrix.ColumnsCount];
for (var i = 0; i < _items.GetLength(0); i++)
{
for (var j = 0; j < _items.GetLength(1); j++)
{
_items[i, j] = matrix[i, j];
}
}
}
/// <summary>
/// Creates rectangle matrix from another static matrix.
/// </summary>
/// <param name="matrix">Static matrix.</param>
/// <exception cref="ArgumentNullException">
/// Thrown when matrix is null.
/// </exception>
public RectangleMatrix(StaticMatrix <T> matrix) : base(matrix)
{
}
