fix lod and op test

paddle/fluid/operators/fc_op.cc

@@ -134,6 +134,8 @@ class FCOpKernel : public framework::OpKernel<T> {
     math::FCCompute<platform::CPUDeviceContext, T>(
         blas, in_dims[0], w_dims[1], w_dims[0], input_data, w_data, output_data,
         bias ? bias->data<T>() : NULL);
+
+    // TODO(TJ): fuse act
   }
 };
 

paddle/fluid/operators/fusion_lstm_op.cc

@@ -242,6 +242,7 @@ class FuisonLSTMKernel : public framework::OpKernel<T> {
       to_batch(dev_ctx, *xx, batched_gate, true, is_reverse);
     } else {
       to_batch(dev_ctx, *x, xx, true, is_reverse);
+      batched_gate->set_lod(xx->lod());
       math::FCCompute<DeviceContext, T>(blas, x_dims[0], wx_dims[1], x_dims[1],
                                         xx_data, wx_data, batched_gate_data,
                                         bias->data<T>());

python/paddle/fluid/tests/unittests/test_fusion_lstm_op.py

@@ -112,7 +112,7 @@ class TestLstmOp(OpTest):
         }
 
     def test_check_output(self):
-        self.check_output(atol=1e-8)
+        self.check_output()
 
 
 class TestLstmOpInitReverse(TestLstmOp):