F07GVF Example Program Results

 Solution(s)
                    1                 2
 1  ( 1.0000,-1.0000) (-1.0000, 2.0000)
 2  (-0.0000, 3.0000) ( 3.0000,-4.0000)
 3  (-4.0000,-5.0000) (-2.0000, 3.0000)
 4  ( 2.0000, 1.0000) ( 4.0000,-5.0000)

 Backward errors (machine-dependent)
         5.5E-17           7.9E-17
 Estimated forward error bounds (machine-dependent)
         6.0E-14           7.2E-14