2 files changed, 12 insertions, 1 deletions
diff --git a/numpy/core/numeric.py b/numpy/core/numeric.py
index 4350e123f..2ece2ce8d 100644
--- a/numpy/core/numeric.py
+++ b/numpy/core/numeric.py
@@ -2278,7 +2278,8 @@ def allclose(a, b, rtol=1.e-5, atol=1.e-8, equal_nan=False):
     True
 
     """
-    return all(isclose(a, b, rtol=rtol, atol=atol, equal_nan=equal_nan))
+    res = all(isclose(a, b, rtol=rtol, atol=atol, equal_nan=equal_nan))
+    return bool(res)
 
 def isclose(a, b, rtol=1.e-5, atol=1.e-8, equal_nan=False):
     """
diff --git a/numpy/core/tests/test_numeric.py b/numpy/core/tests/test_numeric.py
index 2fa8593b9..f5c22392a 100644
--- a/numpy/core/tests/test_numeric.py
+++ b/numpy/core/tests/test_numeric.py
@@ -1471,6 +1471,16 @@ class TestAllclose(object):
         x = np.array([1.0, np.nan])
         assert_(np.allclose(x, x, equal_nan=True))
 
+    def test_return_class_is_ndarray(self):
+        # Issue gh-6475
+        # Check that allclose does not preserve subtypes
+        class Foo(np.ndarray):
+            def __new__(cls, *args, **kwargs):
+                return np.array(*args, **kwargs).view(cls)
+
+        a = Foo([1])
+        assert_(type(np.allclose(a, a)) is bool)
+
 
 class TestIsclose(object):
     rtol = 1e-5