WPCPACK2 - routine to perform a 2D wavelet packet transform 

wavePack2	decompose/reconstruct a 2D signal into/from its wavelet
		packet coefficients

Function Prototype:
void wavePack2(float **x, float **y, void *inconf, int type);

wavePack2:
Input:
x		array[][] for the signal
y 		array[][] for the wavelet coefficients
inconf		configuration 
type		0 for decomposition, 1 for reconstruction

Author:		Tong Chen, 05/25/94
Modifier: 	Tong Chen, 07/28/94, for API