NAG Library Manual, Mark 30.1
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description

nag_sum_fft_real_2d (c06pvc) Example Program Results
 
 Original data values

   0.010  1.284  1.754  0.089  1.004
   0.346  1.960  0.855  0.161  1.844
 
 Components of discrete Fourier transform

   ( 2.943, 0.000)  (-0.024,-0.558)  (-1.167, 0.636)
   (-0.324, 0.000)  (-0.466,-0.230)  ( 0.362, 0.262)
 
 Original sequence as restored by inverse transform

   0.010  1.284  1.754  0.089  1.004
   0.346  1.960  0.855  0.161  1.844