nag_roots_lambertw_complex (c05bbc) Example Program Results branch = 0 offset = Nag_FALSE z w(z) resid ( 5.00000e-01, -1.00000e+00) ( 5.16511e-01, -4.22053e-01) 5.55112e-17 ( 1.00000e+00, 2.30000e+00) ( 8.73606e-01, 5.76978e-01) 1.11022e-16 ( 4.50000e+00, -1.00000e-01) ( 1.26735e+00, -1.24194e-02) 0.00000e+00 ( 6.00000e+00, 6.00000e+00) ( 1.61492e+00, 4.90515e-01) 1.25607e-15