def test_contra_harmonic_mean_with_zeros(): input = np.array([0.0, 2.0, 0.0]) q = 1 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 2.0
def test_contra_harmonic_mean_for_float_array(): input = np.array([1.0, 2.0, 4.0]) q = 2 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 3.476
def test_contra_harmonic_mean_for_negative_expoent(): input = np.array([1.0, 2.0, 4.0]) q = -1 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 1.714
def test_contra_harmonic_mean_for_not_int_expoent(): input = np.array([1.0, 2.0, 4.0]) q = 1.5 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 3.268
def test_contra_harmonic_mean_for_matrix(): input = np.array([[1, 2, 4], [1, 1, 1], [15, 10, 1]]) q = 3 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 13.680
def test_contra_harmonic_mean_for_int_list(): input = [1, 1, 1] q = 1 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 1.0
def test_contra_harmonic_mean_for_int_array(): input = np.array([1, 2, 4]) q = 1 obtained = filter.get_contra_harmonic_mean(input, q) assert obtained == 3.0