Program sfstoltstretch | Stolt stretch. 
[SYNOPSIS]
sfstoltstretch < in.rsf > st.rsf velocity=vel.rsf inv=n nstretch=1 pad=nt eps=0.01 vel=
[PARAMETERS]
float   | eps | =0.01 |   | 	stretch regularization 
bool    | inv | =n |  [y/n] | 	if y, inverse stretch 
int     | nstretch | =1 |   | 	number of steps 
int     | pad | =nt |   | 	time axis padding 
float   | vel | = |   | 	reference velocity 
file    | velocity | = |   | 	auxiliary input file name
[DIRECTORY]
system/seismic
