new methods

source/tensor/XTensor.h

@@ -331,6 +331,9 @@ public:
     /* get the default type value of a cell in a 3d tensor */
     DTYPE Get3D(int d0, int d1, int d2);
 
+    /* get the int value of a cell by its offset */
+    int GetInt(int offset);
+    
     /* get the int value of a cell in a 1d tensor */
     int Get1DInt(int i);
 
@@ -358,6 +361,9 @@ public:
     /* set the value of a cell in a 3d tensor */
     bool Set3D(DTYPE value, int d0, int d1, int d2);
     
+    /* set the integer value of a cell by its offset */
+    bool SetInt(int value, int offset);
+    
     /* set the integer value of a cell */
     bool SetInt(int value, int index[], int size = -1);