Merge pull request #3479 from nouiz/float64_rtol

theano/tensor/basic.py

@@ -486,10 +486,10 @@ else:
     float32_rtol = 1e-5
 
     # defaults in numpy.allclose
+    # Don't be more strict then numpy rtol
+    # It cause useless error.
     float64_rtol = 1.0000000000000001e-05
     float64_atol = 1e-8
-    # more strict. Atleast float32 precision.
-    float64_rtol = 1.0000000000000001e-06
 
 
 def _get_atol_rtol(a, b):

theano/tensor/tests/test_basic.py

@@ -3288,6 +3288,11 @@ class T_min_max(unittest.TestCase):
         # axis=1)[0], n)),axis=1)
 
 
+def test_basic_allclose():
+    # This was raised by a user in https://github.com/Theano/Theano/issues/2975
+    assert tensor.basic._allclose(-0.311023883434, -0.311022856884)
+
+
 class T_outer(unittest.TestCase):
     def test_outer(self):
         for m in range(4):