new interfaces of CopyIndexed

source/tensor/core/movement/CopyIndexed.h

@@ -29,12 +29,21 @@ namespace nts { // namespace nts(NiuTrans.Tensor)
 /* copy selected sub-tensors */
 void _CopyIndexed(const XTensor * s, XTensor * t, int dim, int * srcIndex, int indexSize, int * tgtIndex, int copyNum);
 
+/* copy selected sub-tensors where indeces are kept in tensors */
+void _CopyIndexed(const XTensor * s, XTensor * t, int dim, const XTensor * srcIndex, const XTensor * tgtIndex);
+
 /* 
 copy selected sub-tensors (return a XTensor structure)
-make a new tensor to keep the result and return it
+make a new tensor to keep the result and return it (remove this???)
 */
 XTensor CopyIndexed(const XTensor &s, int dim, int * srcIndex, int indexSize, int * tgtIndex, int copyNum);
     
+/*
+copy selected sub-tensors where indeces are kept in tensors (return a XTensor structure)
+make a new tensor to keep the result and return it (remove this???)
+*/
+void CopyIndexed(const XTensor * s, XTensor * t, int dim, const XTensor * srcIndex, const XTensor * tgtIndex);
+
 } // namespace nts(NiuTrans.Tensor)
 
 #endif // __COPYINDEXED_H__