def test_std_no_axis_bkwrd(x):
    import mygrad as mg

    x = mg.Tensor(x, constant=False)
    mg.std(x, axis=()).backward()
    assert np.all(x.grad == np.zeros_like(x.data))
def test_std_no_axis_fwd(x):
    import mygrad as mg

    x = mg.Tensor(x, constant=False)
    o = mg.std(x, axis=())
    assert np.all(o.data == np.zeros_like(x.data))
Exemple #3
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def test_std_no_axis_fwd(x):
    o = mg.std(x, axis=())
    assert np.all(o == mg.zeros_like(x))
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def test_std_no_axis_bkwrd(x):
    mg.std(x, axis=()).backward()
    assert np.all(x.grad == mg.zeros_like(x))
def test_std_ddof(x, ddof):
    assert np.std(x, ddof=ddof) == std(x, ddof=ddof).data