larroy commented on a change in pull request #14779: [WIP] Fully connected,
higher order grad
URL: https://github.com/apache/incubator-mxnet/pull/14779#discussion_r305554797
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File path: tests/python/unittest/test_higher_order_grad.py
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@@ -173,6 +182,87 @@ def check_second_order_unary(x, op, grad_grad_op):
# Validate the gradients.
assert_almost_equal(expected_grad_grad, x.grad.asnumpy())
+def arange_shape_like(y):
+ shape = y.shape
+ nelems = reduce(mul, shape)
+ x = nd.arange(nelems).reshape(shape)
+ return x
+
+class RandomShapes(object):
Review comment:
Is it such a big problem in a unit test? I find it useful to generate inputs.
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