NAG Library Manual, Mark 28.4
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description

nag_sum_fft_complex_2d (c06puc) Example Program Results
 
 Original data values

   ( 1.000, 0.000)  ( 0.994,-0.111)  ( 0.903,-0.430)
   ( 0.999,-0.040)  ( 0.989,-0.151)  ( 0.885,-0.466)
   ( 0.987,-0.159)  ( 0.963,-0.268)  ( 0.823,-0.568)
   ( 0.936,-0.352)  ( 0.891,-0.454)  ( 0.694,-0.720)
   ( 0.802,-0.597)  ( 0.731,-0.682)  ( 0.467,-0.884)
 
 Components of discrete Fourier transform

   ( 3.373,-1.519)  ( 0.457, 0.137)  (-0.170, 0.493)
   ( 0.481,-0.091)  ( 0.055, 0.032)  (-0.037, 0.058)
   ( 0.251, 0.178)  ( 0.009, 0.039)  (-0.042, 0.008)
   ( 0.054, 0.319)  (-0.022, 0.036)  (-0.038,-0.025)
   (-0.419, 0.415)  (-0.076, 0.004)  (-0.002,-0.083)
 
 Original sequence as restored by inverse transform

   ( 1.000, 0.000)  ( 0.994,-0.111)  ( 0.903,-0.430)
   ( 0.999,-0.040)  ( 0.989,-0.151)  ( 0.885,-0.466)
   ( 0.987,-0.159)  ( 0.963,-0.268)  ( 0.823,-0.568)
   ( 0.936,-0.352)  ( 0.891,-0.454)  ( 0.694,-0.720)
   ( 0.802,-0.597)  ( 0.731,-0.682)  ( 0.467,-0.884)