예제 #1
0
def test_sqrt1():
    x = AD(-1, 1, 'x')
    with pytest.raises(ValueError):
        y = x.sqrt()
예제 #2
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def test_sqrt2():
    x = AD(10, 3, 'x')
    y = x.sqrt()
    assert y.val == np.sqrt(10)
    assert y.der == 0.5 * 3 * 10**(-0.5)
예제 #3
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def test_sqrt():
    x = AD(0, 1, 'x')
    with pytest.raises(ZeroDivisionError):
        y = x.sqrt()