updates of GetItem and SetItem in List

source/tensor/XList.cpp

@@ -274,16 +274,64 @@ void TensorListBase<T>::Insert(int pos, T&& item)
 
 /* get the item at position i */
 template <typename T>
-T& TensorListBase<T>::GetItem(int i) const
+inline T& TensorListBase<T>::GetItem(int i) const
 {
     CheckNTErrors(i >= -count && i < count, "Index of a list item is out of scope!");
-    CheckNTErrors(count > 0, "Cannt index the item in an empty list!");
+    CheckNTErrors(count > 0, "Cannot index the item in an empty list!");
     if (i < 0)
         return items[count + i];
     else
         return items[i];
 }
 
+/* get the item at position i and force it to an integer */
+template <typename T>
+inline int TensorListBase<T>::GetItemInt(int i) const
+{
+    CheckNTErrors(i >= -count && i < count, "Index of a list item is out of scope!");
+    CheckNTErrors(count > 0, "Cannot index the item in an empty list!");
+
+    if (i < 0)
+        return 0;
+    else {
+        T r = items[i];
+        void * p = &r;
+        return *(int*)p;
+    }
+}
+
+/* get the item at position i and force it to a float number */
+template <typename T>
+inline float TensorListBase<T>::GetItemFloat(int i) const
+{
+    CheckNTErrors(i >= -count && i < count, "Index of a list item is out of scope!");
+    CheckNTErrors(count > 0, "Cannot index the item in an empty list!");
+
+    if (i < 0)
+        return 0;
+    else {
+        T r = items[i];
+        void * p = &r;
+        return *(float*)p;
+    }
+}
+
+/* get the item at position i and force it to an long long number */
+template <typename T>
+inline long long TensorListBase<T>::GetItemLLong(int i) const
+{
+    CheckNTErrors(i >= -count && i < count, "Index of a list item is out of scope!");
+    CheckNTErrors(count > 0, "Cannot index the item in an empty list!");
+
+    if (i < 0)
+        return 0;
+    else {
+        T r = items[i];
+        void * p = &r;
+        return *(long long*)p;
+    }
+}
+
 /* set the item at position i */
 template <typename T>
 inline void TensorListBase<T>::SetItem(int i, const T& item)
@@ -299,6 +347,33 @@ inline void TensorListBase<T>::SetItem(int i, T&& item)
         items[i] = item;
 }
 
+/* set the item (as an integer) at position i */
+template<typename T>
+inline void TensorListBase<T>::SetItemInt(int i, const int item)
+{
+    if (i >= 0 && i < count) {
+        *(int*)(items + i) = item;
+    }
+}
+
+/* set the item (as a float) at position i */
+template<typename T>
+inline void TensorListBase<T>::SetItemFloat(int i, const float item)
+{
+    if (i >= 0 && i < count) {
+        *(float*)(items + i) = item;
+    }
+}
+
+/* set the item (as a long long) at position i */
+template<typename T>
+inline void TensorListBase<T>::SetItemLLong(int i, const long long item)
+{
+    if (i >= 0 && i < count) {
+        *(long long*)(items + i) = item;
+    }
+}
+
 /* 
 find the position of the first matched item 
 >> item - the item for matching

source/tensor/XList.h

@@ -99,12 +99,30 @@ public:
     /* get the item at position i */
     T& GetItem(int i) const;
 
+    /* get the item at position i and force it to an integer */
+    int GetItemInt(int i) const;
+
+    /* get the item at position i and force it to a float number */
+    float GetItemFloat(int i) const;
+
+    /* get the item at position i and force it to an long long number */
+    long long GetItemLLong(int i) const;
+
     /* set the item at position i */
     void SetItem(int i, const T& item);
 
     /* set the item at position i */
     void SetItem(int i, T&& item);
 
+    /* set the item (as an integer) at position i */
+    void SetItemInt(int i, const int item);
+
+    /* set the item (as a float) at position i */
+    void SetItemFloat(int i, const float item);
+
+    /* set the item (as a long long) at position i */
+    void SetItemLLong(int i, const long long item);
+
     /* find the position of the first matched item  */
     int FindFirst(const T& item);
 
@@ -135,7 +153,13 @@ public:
     /* short */
     T& operator[] (int i) const { return GetItem(i); };
     T& Get(int i) const { return GetItem(i); };
+    int GetInt(int i) const { return GetItemInt(i); };
+    float GetFloat(int i) const { return GetItemFloat(i); };
+    long long GetLLong(int i) const { return GetItemLLong(i); };
     void Set(int i, T item) { SetItem(i, item); };
+    void SetInt(int i, int item) { SetItemInt(i, item); };
+    void SetFloat(int i, float item) { SetItemFloat(i, item); };
+    void SetLLong(int i, long long item) { SetItemLLong(i, item); };
 };
 
 struct XTensor;