def test_set_var(adata, subset_func):
    init_hash = joblib.hash(adata)

    subset = adata[:, subset_func(adata.var_names)]

    new_var = pd.DataFrame(
        dict(a=np.ones(subset.n_vars), b=np.ones(subset.n_vars)),
        index=subset.var_names,
    )

    assert subset.is_view
    subset.var = new_var
    assert not subset.is_view
    assert np.all(subset.var == new_var)

    assert joblib.hash(adata) == init_hash
def iqd_phasor(up, iqd, uqd, ax=0):
    """creates a phasor plot
    up: internal voltage
    iqd: current
    uqd: terminal voltage"""

    uxdq = (uqd[1]/np.sqrt(2), (uqd[0]/np.sqrt(2)-up))
    __phasor_plot(ax, up, (iqd[1]/np.sqrt(2), iqd[0]/np.sqrt(2)), uxdq)