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