def METHOD_NAME(sbm):
    print("in SBM_tests")
    # SBM_to_dense
    # SBM_to_sparse
    # SBM_from_csparse
    nm = sn.NumericsMatrix(sbm)
    assert nm is not None
    mcoo = sn.NM_triplet(nm)
    mcoo._check()
    check_size((nm.size0, nm.size1), mcoo.shape)
    compare_with_SBM(sbm, mcoo)
    mcsc = sn.NM_csc(nm)
    mcsc.check_format(True)
    check_size((nm.size0, nm.size1), mcsc.shape)
    compare_with_SBM(sbm, mcsc)
    mcsc_trans = sn.NM_csc_trans(nm)
    mcsc_trans.check_format(True)
    check_size((nm.size0, nm.size1), mcsc_trans.T.shape)
    compare_with_SBM(sbm, mcsc_trans.T)
    return copy.deepcopy(mcsc)