nag_sum_fft_complex_1d (c06pcc) Example Program Results i x z = FFT(x) InvFFT(z) 0 ( 0.34907, -0.37168 ) ( 2.48361, -0.47100 ) ( 0.34907, -0.37168 ) 1 ( 0.54890, -0.35669 ) (-0.55180, 0.49684 ) ( 0.54890, -0.35669 ) 2 ( 0.74776, -0.31175 ) (-0.36711, 0.09756 ) ( 0.74776, -0.31175 ) 3 ( 0.94459, -0.23702 ) (-0.28767, -0.05865 ) ( 0.94459, -0.23702 ) 4 ( 1.13850, -0.13274 ) (-0.22506, -0.17477 ) ( 1.13850, -0.13274 ) 5 ( 1.32850, 0.00074 ) (-0.14825, -0.30840 ) ( 1.32850, 0.00074 ) 6 ( 1.51370, 0.16298 ) ( 0.01983, -0.56496 ) ( 1.51370, 0.16298 )