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-rw-r--r--numpy/ma/tests/test_extras.py10
1 files changed, 9 insertions, 1 deletions
diff --git a/numpy/ma/tests/test_extras.py b/numpy/ma/tests/test_extras.py
index 082d36f95..be995d617 100644
--- a/numpy/ma/tests/test_extras.py
+++ b/numpy/ma/tests/test_extras.py
@@ -630,7 +630,15 @@ class TestPolynomial(TestCase):
(c, r, k, s, d) = np.polyfit(x[1:-1], y[1:-1, :], 3, full=True)
for (a, a_) in zip((C, R, K, S, D), (c, r, k, s, d)):
assert_almost_equal(a, a_)
-
+ #
+ w = np.random.rand(10) + 1
+ xs = x[1:-1]
+ ys = y[1:-1]
+ ws = w[1:-1]
+ (C, R, K, S, D) = polyfit(x, y, 3, full=True, w=w)
+ (c, r, k, s, d) = np.polyfit(xs, ys, 3, full=True, w=ws)
+ for (a, a_) in zip((C, R, K, S, D), (c, r, k, s, d)):
+ assert_almost_equal(a, a_)
class TestArraySetOps(TestCase):