apeforest commented on a change in pull request #15413: [MXNET-978] Higher
Order Gradient Support `reciprocal`, `abs`.
URL: https://github.com/apache/incubator-mxnet/pull/15413#discussion_r299218852
##########
File path: tests/python/unittest/test_higher_order_grad.py
##########
@@ -106,6 +106,35 @@ def grad_grad_op(x):
check_second_order_unary(array, log10, grad_grad_op)
+@with_seed()
+def test_reciprocal():
+ def reciprocal(x):
+ return nd.reciprocal(x)
+
+ def grad_grad_op(x):
+ return 2/x**3
Review comment:
space between `/`
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