1e8465af1ac8d938e2e7c692891bfa36edea03e6,tensorly/metrics/tests/test_entropy.py,,test_vonNeumann_entropy_mixed_state_CP_unnormalized_factors,#,55

Before Change

    mat2 = np.matmul(state2, np.transpose(state2))
    mat = (mat1 + mat2)/2.
    tl_mat = parafac(mat, rank=2, normalize_factors=False)
    tl_vne = vonNeumann_entropy(tl_mat)
    dm_qutip = qutip.Qobj(mat)
    qutip_vne = qutip.entropy_vn(dm_qutip, base=2)
    assert np.allclose(tl_vne, qutip_vne)

After Change

    mat2 = np.matmul(state2, np.transpose(state2))
    mat = (mat1 + mat2)/2.
    tl_mat = parafac(mat, rank=2, normalize_factors=False)
    tl_vne = np.array(vonNeumann_entropy(tl_mat))
    dm_qutip = qutip.Qobj(mat)
    qutip_vne = qutip.entropy_vn(dm_qutip, base=2)
    assert np.allclose(tl_vne, qutip_vne)

Instances