/// <returns>true when metric is diagonal and all entries on the diagonal are either +1 or -1 or 0.</returns>
public bool IsSimpleDiagonal()
{
return(Util.IsSimpleDiagonal(m_matrix));
}
/// <returns>true when exact 'value' is anywhere on the diagonal.</returns>
public bool HasValueOnDiagonal(double value)
{
return(Util.HasValueOnDiagonal(m_matrix, value));
}