/// <summary>
/// Check if matrices are multiplication compatible
/// </summary>
/// <param name="left">Left hand side matrix.</param>
/// <param name="right">Right hand side matrix.</param>
/// <exception cref="DimensionMismatchException"> if matrices are not multiplication
/// compatible.</exception>
public static void checkMultiplicationCompatible(AnyMatrix left, AnyMatrix right)
{
if (left.getColumnDimension() != right.getRowDimension())
{
throw new DimensionMismatchException(left.getColumnDimension(),
right.getRowDimension());
}
}
/// <summary>
/// Check if matrices are subtraction compatible
/// </summary>
/// <param name="left">Left hand side matrix.</param>
/// <param name="right">Right hand side matrix.</param>
/// <exception cref="MatrixDimensionMismatchException"> if the matrices are not addition
/// compatible.</exception>
public static void checkSubtractionCompatible(AnyMatrix left, AnyMatrix right)
{
if ((left.getRowDimension() != right.getRowDimension()) ||
(left.getColumnDimension() != right.getColumnDimension()))
{
throw new MatrixDimensionMismatchException(left.getRowDimension(), left.getColumnDimension(),
right.getRowDimension(), right.getColumnDimension());
}
}
/// <summary>
/// Check if a row index is valid.
/// </summary>
/// <param name="m">Matrix.</param>
/// <param name="row">Row index to check.</param>
/// <exception cref="OutOfRangeException"> if <c>row</c> is not a valid index.</exception>
public static void checkRowIndex(AnyMatrix m, int row)
{
if (row < 0 ||
row >= m.getRowDimension())
{
throw new OutOfRangeException <Int32>(new LocalizedFormats("ROW_INDEX"), row, 0, m.getRowDimension() - 1);
}
}