zhreshold commented on a change in pull request #11643: Added the diag()
operator
URL: https://github.com/apache/incubator-mxnet/pull/11643#discussion_r201872980
##########
File path: tests/python/unittest/test_operator.py
##########
@@ -6977,6 +6977,109 @@ def test_roi_align_autograd(sampling_ratio=0):
test_roi_align_value(2)
test_roi_align_autograd()
+@with_seed()
+def test_diag():
+
+ # test 2d input
+ h = np.random.randint(2,9)
+ w = np.random.randint(2,9)
+ a_np = np.random.random((h, w))
+ a = mx.nd.array(a_np)
+
+ # k == 0
+ r = mx.nd.diag(a)
+
+ for i in range(r.shape[0]):
+ assert r[i] == a[i][i]
Review comment:
you can use numpy for consistency check. It's more stable than manually
setting the desired values
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