nag_specfun_erfc_complex (s15ddc) Example Program Results
          z                     w
(  1.0000,  0.0000)   (  0.3679,  0.6072)
( -3.0100,  0.7500)   (  0.0522, -0.1838)
(  2.7500, -1.5200)   ( -0.1015,  0.1654)
( -1.3300, -0.5400)   ( -0.1839, -0.7891)