DCTALLOC - ALLOCate space for transform tables for 1D DCT

dctivAlloc - allocate space for the transform table for dctiv
dctAlloc - allocate space for the transform table for dct

Function Prototype:
float **dctivAlloc(int n);
float **dctAlloc(int n);

dctivAlloc:
Input:
n         length of the signal

dctAlloc:
n         length of the signal
Author:		Tong Chen, 06/01/95