def test_ADmath_secr():
f = ADmath.sec(6)
assert f == 1 / np.cos(6)
def test_ADmath_sec():
f = ADmath.sec(ADnum(6, der=1))
assert f.val == 1 / np.cos(6)
assert f.der == np.tan(6) / np.cos(6)
assert len(f.graph) == 1
def test_ADmath_secr():
f = ADmath.sec(6)
assert f == 1 / np.cos(6)
def test_ADmath_sec():
f = ADmath.sec(ADnum(6, der=1))
assert f.val == 1 / np.cos(6)
assert f.der == np.tan(6) / np.cos(6)
assert len(f.graph) == 1