Program sftestcasoper | Test linear cascading matching-Radon operator. 
[SYNOPSIS]
sftestcasoper < in.rsf > out.rsf filt=fil.rsf adj=n inv=n verb=n np= dp= p0= niter=100 freq=y parab=n x0=1. rho=y anti=1. p1=0.
[PARAMETERS]
bool    | adj | =n |  [y/n] | 	if y, perform adjoint operation 
float   | anti | =1. |   | 	antialiasing, only when freq=n 
float   | dp | = |   | 	p sampling 
file    | filt | = |   | 	auxiliary input file name
bool    | freq | =y |  [y/n] | 	if y, parabolic Radon transform 
bool    | inv | =n |  [y/n] | 	if y, perform inverse operation 
int     | niter | =100 |   | 	
int     | np | = |   | 	number of p values 
float   | p0 | = |   | 	p origin 
float   | p1 | =0. |   | 	reference slope, only when freq=n 
bool    | parab | =n |  [y/n] | 	if y, parabolic Radon transform, only when freq=y 
bool    | rho | =y |  [y/n] | 	rho filtering, only when freq=n 
bool    | verb | =n |  [y/n] | 	verbosity flag 
float   | x0 | =1. |   | 	reference offset 
[DIRECTORY]
user/yliu
