def test_sin_val(): x = AutoDiff(4, "x") y = AutoDiff(5, "y") f = ef.sin(x * y) assert np.isclose(f.val, 0.9129452507276277)
def test_sin_illegal_arg(): with pytest.raises(AttributeError): assert ef.sin("thirty")
def test_numeric_value(): assert np.isclose(ef.sin(4), np.sin(4))
def test_sin_no_sec_derivative_(): x = AutoDiff(4, "x") with pytest.raises(AttributeError): assert ef.sin(x).der2['x']
def test_sin_numeric_input_no_deriv(): with pytest.raises(AttributeError): assert ef.sin(4).der
def test_sin_deriv2_xy(): x = AutoDiff(4, "x", H=True) y = AutoDiff(5, "y", H=True) f = ef.sin(x * y) assert np.isclose(f.der2['xy'], -17.85082295273916)
def test_sin_deriv2_y(): x = AutoDiff(4, "x", H=True) y = AutoDiff(5, "y", H=True) f = ef.sin(x * y) assert np.isclose(f.der2['y'], -14.607124011642043)
def test_sin_deriv2_x(): x = AutoDiff(4, "x", H=True) y = AutoDiff(5, "y", H=True) f = ef.sin(x * y) assert np.isclose(f.der2['x'], -22.82363126819069)
def test_sin_deriv_y(): x = AutoDiff(4, "x") y = AutoDiff(5, "y") f = ef.sin(x * y) assert np.isclose(f.der['y'], 1.6323282472535678)
def test_sin_deriv_x(): x = AutoDiff(4, "x") y = AutoDiff(5, "y") f = ef.sin(x * y) assert np.isclose(f.der['x'], 2.0404103090669596)