Program sfcdivn | Smooth division for complex data. 
[SYNOPSIS]
sfcdivn < fnum.rsf den=fden.rsf > frat.rsf niter=100 verb=y rect#=(1,1,...)
[PARAMETERS]
file    | den | = |   | 	auxiliary input file name
int     | niter | =100 |   | 	number of iterations 
int     | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
bool    | verb | =y |  [y/n] | 	verbosity 
[DIRECTORY]
user/fomels
