nag_sparse_real_gen_precon_ilu (f11dac) Example Program Data
  4                               n
  11                              nnz
  1 0.0                           lfill, dtol
  Nag_SparseNsym_CompletePiv      pstrat
  Nag_SparseNsym_UnModFact        milu
  1.   1    2
  1.   1    3
 -1.   2    1
  2.   2    3
  2.   2    4
  3.   3    1
 -2.   3    4
  1.   4    1
 -2.   4    2
  1.   4    3
  1.   4    4        a[i-1], irow[i-1], icol[i-1], i=1,...,nnz