Program sfshapeagc | Automatic gain control by shaping regularization. 
[SYNOPSIS]
sfshapeagc < in.rsf > out.rsf gain=fgain.rsf niter=100 eps=0.0f verb=n rect#=(125,1,1,...)
[PARAMETERS]
float   | eps | =0.0f |   | 	regularization 
string  | gain | = |   | 	output gain file (optional) (auxiliary output file name)
int     | niter | =100 |   | 	number of iterations 
int     | rect# | =(125,1,1,...) |   | 	smoothing radius on #-th axis 
bool    | verb | =n |  [y/n] | 	verbosity 
[DIRECTORY]
user/fomels
