F08YHF Example Program Data
  4  4                        :Values of M and N
  4.0   1.0   1.0   2.0
  0.0   3.0   4.0   1.0
  0.0   1.0   3.0   1.0
  0.0   0.0   0.0   6.0   :End of matrix A
  1.0   1.0   1.0   1.0
  0.0   3.0   4.0   1.0
  0.0   1.0   3.0   1.0
  0.0   0.0   0.0   4.0   :End of matrix B
  2.0   1.0   1.0   3.0
  0.0   1.0   2.0   1.0
  0.0   0.0   1.0   1.0
  0.0   0.0   0.0   2.0   :End of matrix D
  1.0   1.0   1.0   2.0
  0.0   1.0   4.0   1.0
  0.0   0.0   1.0   1.0
  0.0   0.0   0.0   1.0   :End of matrix E
 -4.0   7.0   1.0  12.0
 -9.0   2.0  -2.0  -2.0
 -4.0   2.0  -2.0   8.0
 -7.0   7.0  -6.0  19.0   :End of matrix C
 -7.0   5.0   0.0   7.0
 -5.0   1.0  -8.0   0.0
 -1.0   2.0  -3.0   5.0
 -3.0   2.0   0.0   5.0   :End of matrix F