Address generation for DCT prime factor algorithm

We propose two simple and organized methods for address generation in the case of DCT algorithm using the experiences with DFT presented by Bogdanova (see Proc Int. Conf. on Signal Processing, Applications and Technology ICSPAT, Boston, MA, p.639-41, 1995) and by Wong, Chan, Lun and Siu (1990). The proposed mapping techniques provide in-place and in-place in-order realization of the algorithm.