Support fp16 data type for more operations and fix the minor errors. (Don't use…

Support fp16 data type for more operations and fix the minor errors.  (Don't use this! It's an incomplete version)

source/tensor/core/getandset/SetData.cpp

@@ -528,7 +528,16 @@ void _SetDataRange(XTensor * tensor, DTYPE lower, DTYPE upper, DTYPE step)
     /* set the data from the array */
     tensor->SetData(data, num);
 
-    delete[] data;
+    if (tensor->dataType == X_INT) {
+        delete[] (int*)data;
+    }
+    else if (tensor->dataType == X_FLOAT) {
+        delete[] (float*)data;
+    }
+    else {
+        ShowNTErrors("TODO! Unsupported datatype!")
+    }
+
 }
 
 /* 

source/tensor/core/shape/Stack.cpp

@@ -130,15 +130,18 @@ bool CheckStackShape(const TensorList &smalls, XTensor &t, int dim)
     int order = tensor->order;
 
     for (int i = 0; i < tensor->order; i++) {
-        if (i < dim)
+        if (i < dim) {
             if (t.GetDim(i) != tensor->GetDim(i)) 
                 return false;
-        else if (i > dim)
-            if (t.GetDim(i) != tensor->GetDim(i-1)) 
+        }
+        else if (i > dim) {
+            if (t.GetDim(i) != tensor->GetDim(i-1))
                 return false;
-        else if (i == dim)
-            if (t.GetDim(i) != smalls.count) 
+        }
+        else if (i == dim) {
+            if (t.GetDim(i) != smalls.count)
                 return false;
+        }
     }
 
     return true;