rate_dataset::is_homogeneous

Source: dataset/rate/rate_dataset__is_homogeneous.pro

 rate_dataset::is_homogeneous
        Return whether the current dataset is homogeneous or not.

 Usage:
        ish = dsref -> is_homogeneous()

 History:
        Original: 14/7/00; SJT
        Add support for DSS with hidden streams: 11/4/01; SJT
        Abandon the is_homogeneous tag: 27/4/01; SJT