Program sfiwioper0 | Image-domain waveform tomography (linear operator). 
[SYNOPSIS]
sfiwioper0 < in.rsf > out.rsf model=model.rsf us=us.rsf ur=ur.rsf weight=weight.rsf precon=precon.rsf adj=n nh=0 uts=0 npml=10 mass=n order=
[PARAMETERS]
bool    | adj | =n |  [y/n] | 	adjoint flag 
bool    | mass | =n |  [y/n] | 	if y, use discretization-based mass term 
string  | model | = |   | 	auxiliary input file name
int     | nh | =0 |   | 	horizontal space-lag 
int     | npml | =10 |   | 	PML width 
string  | order | = |   | 	discretization scheme (default optimal 9-point) 
string  | precon | = |   | 	auxiliary input file name
string  | ur | = |   | 	auxiliary input file name
string  | us | = |   | 	auxiliary input file name
int     | uts | =0 |   | 	number of OMP threads 
string  | weight | = |   | 	auxiliary input file name
[DIRECTORY]
user/sparse
