nag_sparse_real_rect_sort (f11zcc) Example Program Data
  3                   M
  4                   N
  7                   BNNZ
  4.   3    1
  1.   1    2
 -1.   2    4
  0.   1    4
  2.   1    1
  1.   2    3
  1.   3    3         B(I), BROW(I), BCOL(I), I=1,...,BNNZ
  5                   CNNZ
  2.   3    4
  4.   1    1
  2.   1    3
 -1.   2    2
  1.   2    4         C(I), CROW(I), CCOL(I), I=1,...,CNNZ