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

Used In
		SWAG          itime/oz2 itime/oz6 itime/syn   TCCS          decomp/frenchtri decomp/homoortho decomp/homotri