Add infer_shape to the ops.

theano/sandbox/cuda/blocksparse.py

@@ -220,6 +220,9 @@ const npy_intp *oIdx
         outputBatchedG = to_cudandarray(outputBatched)
         out[0] = o + outputBatchedG.reduce_sum([1, 0, 0])
 
+    def infer_shape(self, node, input_shapes):
+        return [input_shapes[0]]
+
     def c_code(self, node, nodename, inputs, outputs, sub):
         o, W, h, inputIdx, outputIdx = inputs
         out = outputs[0]
@@ -400,6 +403,9 @@ class SparseBlockOuterSS(GpuOp):
 
         out[0] = o
 
+    def infer_shape(self, node, input_shapes):
+        return [input_shapes[0]]
+
     def c_support_code(self):
         return """
 __global__ void