nag_sum_fft_realherm_1d (c06pac) Example Program Results i x z = FFT(x) InvFFT(z) 0 0.34907 ( 2.48361, 0.00000 ) 0.34907 1 0.54890 (-0.26599, 0.53090 ) 0.54890 2 0.74776 (-0.25768, 0.20298 ) 0.74776 3 0.94459 (-0.25636, 0.05806 ) 0.94459 4 1.13850 (-0.25636, -0.05806 ) 1.13850 5 1.32850 (-0.25768, -0.20298 ) 1.32850 6 1.51370 (-0.26599, -0.53090 ) 1.51370