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authoralex <argriffi@ncsu.edu>2014-05-26 19:44:04 -0400
committeralex <argriffi@ncsu.edu>2014-05-26 19:44:04 -0400
commit7005eeff130d78d670d8bf767b8669f4850d891d (patch)
tree2d1f1c8ad46f6fb71fc2135d19469a57e5346578 /numpy/linalg/tests
parentf80ccb0ed74d80a6669d0cd8711ba216bb1b5506 (diff)
downloadnumpy-7005eeff130d78d670d8bf767b8669f4850d891d.tar.gz
TST: add more regression testing related to https://github.com/numpy/numpy/issues/4733
Diffstat (limited to 'numpy/linalg/tests')
-rw-r--r--numpy/linalg/tests/test_regression.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/numpy/linalg/tests/test_regression.py b/numpy/linalg/tests/test_regression.py
index 61aa41e06..18d212cdc 100644
--- a/numpy/linalg/tests/test_regression.py
+++ b/numpy/linalg/tests/test_regression.py
@@ -82,6 +82,9 @@ class TestRegression(TestCase):
w = linalg.svd(a, compute_uv=False)
c = np.count_nonzero(np.absolute(w) > 0.5)
assert_equal(c, 1)
+ assert_equal(np.linalg.matrix_rank(a), 1)
+ assert_array_less(1, np.linalg.norm(a, ord=2))
+
if __name__ == '__main__':
run_module_suite()