BUG: Force allclose logic to use inexact type

Casting y to an inexact type fixes problems such as
abs(MIN_INT) < 0, and generally makes sense since the allclose
logic is inherently for float types.

1 files changed, 8 insertions, 0 deletions

diff --git a/numpy/testing/tests/test_utils.py b/numpy/testing/tests/test_utils.py
index 94fc4d655..5956a4294 100644
--- a/numpy/testing/tests/test_utils.py
+++ b/numpy/testing/tests/test_utils.py
@@ -53,6 +53,9 @@ class _GenericTest(object):
         a = np.array([1, 1], dtype=np.object)
         self._test_equal(a, 1)
 
+    def test_array_likes(self):
+        self._test_equal([1, 2, 3], (1, 2, 3))
+
 class TestArrayEqual(_GenericTest, unittest.TestCase):
     def setUp(self):
         self._assert_func = assert_array_equal
@@ -373,6 +376,11 @@ class TestAssertAllclose(unittest.TestCase):
         assert_allclose(6, 10, rtol=0.5)
         self.assertRaises(AssertionError, assert_allclose, 10, 6, rtol=0.5)
 
+    def test_min_int(self):
+        a = np.array([np.iinfo(np.int_).min], dtype=np.int_)
+        # Should not raise:
+        assert_allclose(a, a)
+
 
 class TestArrayAlmostEqualNulp(unittest.TestCase):
     @dec.knownfailureif(True, "Github issue #347")