fix tests related to verify_grad

theano/tensor/tests/test_basic.py

@@ -3481,7 +3481,7 @@ class T_Join_and_Split(unittest.TestCase):
 
     def test_join_matrixV(self):
         """variable join axis"""
-        v = numpy.array([[1., 2., 3.], [4., 5., 6.]], dtype=self.floatX)
+        v = numpy.array([[.1, .2, .3], [.4, .5, .6]], dtype=self.floatX)
         a = self.shared(v.copy())
         b = as_tensor_variable(v.copy())
         ax = lscalar()
@@ -3491,13 +3491,15 @@ class T_Join_and_Split(unittest.TestCase):
         topo = f.maker.fgraph.toposort()
         assert [True for node in topo if isinstance(node.op, self.join_op)]
 
-        want = numpy.array([[1, 2, 3], [4, 5, 6], [1, 2, 3], [4, 5, 6]])
+        want = numpy.array([[.1, .2, .3], [.4, .5, .6],
+                            [.1, .2, .3], [.4, .5, .6]])
         got = f(0)
-        self.assertTrue((got == want).all(), (got, want))
+        assert numpy.allclose(got, want)
 
-        want = numpy.array([[1, 2, 3, 1, 2, 3], [4, 5, 6, 4, 5, 6]])
+        want = numpy.array([[.1, .2, .3, .1, .2, .3],
+                            [.4, .5, .6, .4, .5, .6]])
         got = f(1)
-        self.assertTrue((got == want).all(), (got, want))
+        assert numpy.allclose(got, want)
 
         utt.verify_grad(lambda a, b: join(0, a, b), [v, 2 * v], mode=self.mode)
         utt.verify_grad(lambda a, b: join(1, a, b), [v, 2 * v], mode=self.mode)