nag_sum_fast_gauss (c06sac) Example Program Results y FGT(y) term 0.1 0.0 2.877 0.000000 0.3 0.2 3.231 0.000000 0.5 0.4 3.256 0.000000 0.7 0.6 2.985 0.000004 0.9 0.8 2.518 0.000470