code: public static int cusparseXcoosort_bufferSizeExt(
          cusparseHandle handle, 
          int m, 
          int n, 
          int nnz, 
          Pointer cooRowsA, 
          Pointer cooColsA, 
          long[] pBufferSizeInBytes)
      {
          return checkResult(cusparseXcoosort_bufferSizeExtNative(handle, m, n, nnz, cooRowsA, cooColsA, pBufferSizeInBytes));
      }
docs: Description: Sort sparse matrix stored in COO format