LibraryLink`
LibraryLink`MSparseArray_clone （C 函数）
is a library callback function that puts a clone of 
into *
.
更多信息
- Used in C/C++ code in a library function called from the Wolfram Language.
- A nonzero error code value will be returned if there is not sufficient memory.
- The destination *r should either be null (0) or an MSparseArray object.
- A new MSparseArray is always created. If *r is not null then the memory will be freed before creating the new result.