def test_18934_empty_leaky_relu():
arr = np.random.rand(0,2)
arr_grad = np.empty_like(arr)
autograd.mark_variables([arr], [arr_grad])
with autograd.record():
res = npx.leaky_relu(arr)
res.backward()
def test_18927():
"""test for no error when dealing with zero-size array in bipartite matching"""
arr = np.random.rand(0,2)
arr_grad = np.empty_like(arr)
autograd.mark_variables([arr], [arr_grad])
with autograd.record():
a = npx.bipartite_matching(arr, threshold=0.1)
a[0].backward()
def test_18933_channel_0():
arr = np.random.rand(1,0,1) # channel = 0
arr_grad = np.empty_like(arr)
gamma = np.random.rand(1)
gamma_grad = np.empty_like(gamma)
beta = np.random.rand(1)
beta_grad = np.empty_like(beta)
autograd.mark_variables([arr, gamma, beta], [arr_grad, gamma_grad, beta_grad])
with autograd.record():
a = npx.instance_norm(arr, gamma, beta)
a.backward()