NAG Library Manual, Mark 30.3
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NAG FL Interface Introduction
Example description

 C06FCF Example Program Results

 Components of discrete Fourier transform

           Real      Imag

     0   2.48361  -0.47100
     1  -0.55180   0.49684
     2  -0.36711   0.09756
     3  -0.28767  -0.05865
     4  -0.22506  -0.17477
     5  -0.14825  -0.30840
     6   0.01983  -0.56496

 Original sequence as restored by inverse transform

              Original                 Restored
           Real      Imag           Real      Imag

     0   0.34907  -0.37168        0.34907  -0.37168
     1   0.54890  -0.35669        0.54890  -0.35669
     2   0.74776  -0.31175        0.74776  -0.31175
     3   0.94459  -0.23702        0.94459  -0.23702
     4   1.13850  -0.13274        1.13850  -0.13274
     5   1.32850   0.00074        1.32850   0.00074
     6   1.51370   0.16298        1.51370   0.16298