Program sflocalsnr | Local signal-to-noise ratio (SNR) estimation. 
[SYNOPSIS]
sflocalsnr < in.rsf en=en.rsf > out.rsf nw= niter=100 verb=y eps=0.0f stack=y rect#=(1,1,...)
[PARAMETERS]
file    | en | = |   | 	auxiliary input file name
float   | eps | =0.0f |   | 	regularization 
int     | niter | =100 |   | 	number of inversion iterations 
int     | nw | = |   | 	window length
int     | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
bool    | stack | =y |  [y/n] | 	if y, window centre point, whereas window average
bool    | verb | =y |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/yliu
