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-rw-r--r--numpy/core/tests/test_regression.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/numpy/core/tests/test_regression.py b/numpy/core/tests/test_regression.py
index ab4634eed..85fa82fe1 100644
--- a/numpy/core/tests/test_regression.py
+++ b/numpy/core/tests/test_regression.py
@@ -594,6 +594,11 @@ class test_regression(NumpyTestCase):
v = N.vectorize(p)
assert_valid_refcount(v)
+ def check_poly1d_nan_roots(self, level=rlevel):
+ """Ticket #396"""
+ p = N.poly1d([N.nan,N.nan,1], r=0)
+ self.failUnlessRaises(N.linalg.LinAlgError,getattr,p,"r")
+
def check_refcount_vdot(self, level=rlevel):
"""Changeset #3443"""
assert_valid_refcount(N.vdot)