'Compare dsbev eigenvalues and eigenvectors with
the result of linalg.eig.'

def test_dsbev(self):

    (w, evec, info) = dsbev(self.bandmat_sym, compute_v=1)
    evec_ = evec[:, argsort(w)]
    assert_array_almost_equal(sort(w), self.w_sym_lin)
    assert_array_almost_equal(abs(evec_), abs(self.evec_sym_lin))
