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authorStefan van der Walt <stefan@sun.ac.za>2007-02-09 17:34:23 +0000
committerStefan van der Walt <stefan@sun.ac.za>2007-02-09 17:34:23 +0000
commite7a51c37517f0fc62624c7e8e40d63ba416d096d (patch)
treebb75d6d592b9808403d87ae2e6e1ef493ba5dc4a /numpy
parenta3237e0acf426698b4c08e0d107095ab11cb13a8 (diff)
downloadnumpy-e7a51c37517f0fc62624c7e8e40d63ba416d096d.tar.gz
Fix polymul bug.
Diffstat (limited to 'numpy')
-rw-r--r--numpy/core/tests/test_regression.py4
-rw-r--r--numpy/lib/polynomial.py1
2 files changed, 5 insertions, 0 deletions
diff --git a/numpy/core/tests/test_regression.py b/numpy/core/tests/test_regression.py
index 7ffd5ea14..38607ba27 100644
--- a/numpy/core/tests/test_regression.py
+++ b/numpy/core/tests/test_regression.py
@@ -613,5 +613,9 @@ class test_regression(NumpyTestCase):
assert_array_equal(N.divide.accumulate(todivide),
N.array([2., 4., 16.]))
+ def check_mem_polymul(self, level=rlevel):
+ """Ticket #448"""
+ N.polymul([],[1.])
+
if __name__ == "__main__":
NumpyTest().run()
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py
index ca61e34a3..f8bc1f693 100644
--- a/numpy/lib/polynomial.py
+++ b/numpy/lib/polynomial.py
@@ -383,6 +383,7 @@ def polymul(a1, a2):
"""Multiplies two polynomials represented as sequences.
"""
truepoly = (isinstance(a1, poly1d) or isinstance(a2, poly1d))
+ a1,a2 = poly1d(a1),poly1d(a2)
val = NX.convolve(a1, a2)
if truepoly:
val = poly1d(val)