nag_zgerfs (f07avc) Example Program Results

 Solution(s)
                    1                  2
 1  ( 1.0000, 1.0000)  (-1.0000,-2.0000)
 2  ( 2.0000,-3.0000)  ( 5.0000, 1.0000)
 3  (-4.0000,-5.0000)  (-3.0000, 4.0000)
 4  ( 0.0000, 6.0000)  ( 2.0000,-3.0000)

Backward errors (machine-dependent)
    4.1e-17     8.7e-17 
Estimated forward error bounds (machine-dependent)
    5.8e-14     7.8e-14