message: Create temporary `cusparseMatDescr_t` for sorting.
diff: @@ -478,6 +478,11 @@ void SparseMatrix::SortColumnIndices()
  int * d_ja_sorted = ReadWriteJ();
  csru2csrInfo_t sortInfoA;
  + cusparseMatDescr_t matA_descr;
  + cusparseCreateMatDescr( &matA_descr );
  + cusparseSetMatIndexBase( matA_descr, CUSPARSE_INDEX_BASE_ZERO );
  + cusparseSetMatType( matA_descr, CUSPARSE_MATRIX_TYPE_GENERAL );
  +
  cusparseCreateCsru2csrInfo( &sortInfoA );
  cusparseDcsru2csr_bufferSizeExt( handle, n, m, nnzA, d_a_sorted, d_ia,
  