def test_ADmath_coshr():
f = ADmath.cosh(3)
assert f == np.cosh(3)
def test_ADmath_cosh():
f = ADmath.cosh(ADnum(3, der=1))
assert f.val == np.cosh(3)
assert f.der == np.sinh(3)
assert len(f.graph) == 1
def test_ADmath_coshr():
f = ADmath.cosh(3)
assert f == np.cosh(3)
def test_ADmath_cosh():
f = ADmath.cosh(ADnum(3, der=1))
assert f.val == np.cosh(3)
assert f.der == np.sinh(3)
assert len(f.graph) == 1