NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 C06RDF Example Program Results

 Original data values

          0.3854    0.6772    0.1138    0.6751    0.6362    0.1424
          0.5417    0.2983    0.1181    0.7255    0.8638    0.8723
          0.9172    0.0644    0.6037    0.6430    0.0428    0.4815

 Discrete quarter-wave Fourier cosine transforms

          0.7257   -0.2216    0.1011    0.2355   -0.1406   -0.2282
          0.7479   -0.6172    0.4112    0.0791    0.1331   -0.0906
          0.6713   -0.1363   -0.0064   -0.0285    0.4758    0.1475

 Original data as restored by inverse transform

          0.3854    0.6772    0.1138    0.6751    0.6362    0.1424
          0.5417    0.2983    0.1181    0.7255    0.8638    0.8723
          0.9172    0.0644    0.6037    0.6430    0.0428    0.4815