Example #1
0
def test_cosh_types():
	with pytest.raises(TypeError):
		ef.cosh('x')
	with pytest.raises(TypeError):
		ef.cosh("1234")
Example #2
0
def test_cosh_results():
	X = AutoDiff(0.5, 2)
	f = ef.cosh(X)
	assert f.val == np.cosh(0.5)
	assert f.der == np.array([[np.sinh(0.5)*2]])
	assert f.jacobian == np.array([[np.sinh(0.5)*1]])
Example #3
0
def test_cosh_constant_results():
	a = ef.cosh(0.5)
	assert a == np.cosh(0.5)
Example #4
0
def test_cosh_results():
    X = Dual(0.5, 2)
    f = ef.cosh(X)
    assert f.Real == np.cosh(0.5)
    assert f.Dual == np.array([[np.sinh(0.5) * 2]])