Program sfrdiv | Rough division. 
[SYNOPSIS]
sfrdiv < fnum.rsf den=fden.rsf > frat.rsf niter=100 niter2=1 verb=y eps=0.01 perc=50.0 fact=0.5
[PARAMETERS]
file    | den | = |   | 	auxiliary input file name
float   | eps | =0.01 |   | 	regularization 
float   | fact | =0.5 |   | 	factor for sharpening 
int     | niter | =100 |   | 	number of iterations 
int     | niter2 | =1 |   | 	number of outer iterations 
float   | perc | =50.0 |   | 	percentage for sharpening 
bool    | verb | =y |  [y/n] | 	verbosity 
[DIRECTORY]
user/fomels
