def test_ADmath_tanr():
f = ADmath.tan(4)
assert f == np.tan(4)
def test_ADmath_tan():
f = ADmath.tan(ADnum(4, der=1))
assert f.val == np.tan(4)
assert f.der == (1 / np.cos(4))**2
assert len(f.graph) == 1
def test_ADmath_tanr():
f = ADmath.tan(4)
assert f == np.tan(4)
def test_ADmath_tan():
f = ADmath.tan(ADnum(4, der=1))
assert f.val == np.tan(4)
assert f.der == (1 / np.cos(4))**2
assert len(f.graph) == 1