F12JKF Example Program Data
  5               N
  9               NNZ
  3.5   1    1
  2.1   1    3
  1.4   2    2
  1.6   2    5
 -2.1   3    1
  3.5   3    3
 -1.3   4    4
 -0.1   5    2
  1.7   5    5  A(I), IROW(I), ICOL(I), I=1,...,NNZ