Add test for #844 (inner product pb with atlas).

1 files changed, 14 insertions, 0 deletions

diff --git a/numpy/core/tests/test_blasdot.py b/numpy/core/tests/test_blasdot.py
new file mode 100644
index 000000000..aeaf55fbb
--- /dev/null
+++ b/numpy/core/tests/test_blasdot.py
@@ -0,0 +1,14 @@
+from numpy.core import zeros, float64
+from numpy.testing import TestCase, assert_almost_equal
+from numpy.core.multiarray import inner as inner_
+
+DECPREC = 14
+
+class TestInner(TestCase):
+    def test_vecself(self):
+        """Ticket 844."""
+        # Inner product of a vector with itself segfaults or give meaningless
+        # result
+        a = zeros(shape = (1, 80), dtype = float64)
+        p = inner_(a, a)
+        assert_almost_equal(p, 0, decimal = DECPREC)