F07PNF Example Program Results

 Solution
    ( 2.0000, 1.0000) ( 3.0000,-2.0000) (-1.0000, 2.0000) ( 1.0000,-1.0000)

 Details of factorization
                    1                 2                 3                 4
 1  (-7.1028, 0.0000) ( 0.2997, 0.1578) ( 0.3397, 0.0303) (-0.1518, 0.3743)
 2                    (-5.4176, 0.0000) ( 0.5637, 0.2850) ( 0.3100, 0.0433)
 3                                      (-1.8400, 0.0000) ( 3.9100,-1.5000)
 4                                                        (-1.3600, 0.0000)

 Pivot indices
           1          2         -1         -1