Merge pull request #215 from goodfeli/no_initial_inplace

theano/tensor/basic.py

@@ -3015,7 +3015,8 @@ def get_canonical_form_slice(theslice, length):
 
 def transpose(x, **kwargs):
     dims = range(x.ndim-1, -1, -1)
-    return DimShuffle(x.broadcastable, dims, inplace=True)(tensor_copy(x))
+
+    return DimShuffle(x.broadcastable, dims, inplace=False)(x)
 
 
 class AdvancedIndexingError(TypeError):

theano/tensor/tests/test_opt.py

@@ -3244,7 +3244,7 @@ class Test_lift_transpose_through_dot(unittest.TestCase):
     def test_matrix_matrix(self):
         a, b = matrices('ab')
         g = self.simple_optimize(Env([a, b], [tensor.dot(a, b).T]))
-        sg = '[dot(InplaceDimShuffle{1,0}(b), InplaceDimShuffle{1,0}(a))]'
+        sg = '[dot(DimShuffle{1,0}(b), DimShuffle{1,0}(a))]'
         assert str(g) == sg
 
     def test_row_matrix(self):