update the create function

source/sample/transformer/T2TPredictor.cpp

@@ -81,9 +81,11 @@ T2TPredictor::~T2TPredictor()
 create an initial state 
 >> model - the t2t model
 >> top - the top-most layer of the network
+>> input - input of the network
+>> beamSize - beam size
 >> state - the state to be initialized
 */
-void T2TPredictor::Create(T2TModel * model, XTensor * top, T2TStateBundle * state)
+void T2TPredictor::Create(T2TModel * model, XTensor * top, const XTensor * input, int beamSize, T2TStateBundle * state)
 {
     state->layersEnc.Clear();
     state->layersDec.Clear();
@@ -93,6 +95,17 @@ void T2TPredictor::Create(T2TModel * model, XTensor * top, T2TStateBundle * stat
 
     state->layersEnc.Add(encoding);
     state->layersDec.Add(NULL);
+
+    int dims[MAX_TENSOR_DIM_NUM];
+    for (int i = 0; i < input->order - 1; i++)
+        dims[i] = input->GetDim(i);
+    dims[input->order - 1] = beamSize;
+
+    InitTensor(&state->probPath, input->order, dims, X_FLOAT);
+    InitTensor(&state->nstep, input->order, dims, X_FLOAT);
+
+    state->probPath.SetZeroAll();
+    state->nstep.SetZeroAll();
 }
 
 /*