Program sfsc | Surface-consistent decomposition 
[SYNOPSIS]
sfsc < inp.rsf pred=pred.rsf error=error.rsf index=index.rsf > out.rsf niter=0 prec=y
[PARAMETERS]
string  | error | = |   | 	prediction (auxiliary output file name)
file    | index | = |   | 	auxiliary input file name
int     | niter | =0 |   | 	number of iterations 
bool    | prec | =y |  [y/n] | 	if apply preconditioning 
string  | pred | = |   | 	prediction (auxiliary output file name)
[DIRECTORY]
user/fomels
