def test_MAE():
x = Tensor(np.array([0.1, 0.2, 0.6, 0.9]))
y = Tensor(np.array([0.1, 0.25, 0.7, 0.9]))
error = MAE()
error.clear()
error.update(x, y)
result = error.eval()
assert math.isclose(result, 0.15 / 4)
def test_input_MAE():
x = Tensor(np.array([0.1, 0.2, 0.6, 0.9]))
y = Tensor(np.array([0.1, 0.25, 0.7, 0.9]))
error = MAE()
error.clear()
with pytest.raises(ValueError):
error.update(x, y, x)
def test_zero_MAE():
error = MAE()
with pytest.raises(RuntimeError):
error.eval()