accept pointer-type node

source/tensor/XHeap.h

@@ -39,7 +39,7 @@ template <typename T>
 struct HeapNode
 {
     /* node index */
-    int index;
+    long long index;
 
     /* value of the node */
     T value;
@@ -52,9 +52,16 @@ struct HeapNode
 
     HeapNode(int i, T v)
     {
-        index = i;
+        index = (long long)i;
         value = v;
     };
+
+    HeapNode(void * i, T v)
+    {
+        index = (long long)i;
+        value = v;
+
+    }
 };
 
 /* a heap that keeps a data array of T */