Synopsis
		sfcompensatexf < Fnum.rsf den=Fden.rsf > Fres.rsf verb=n cmplx=y niter=1 perc=0.1 pad1=1

Parameters
		bool cmplx=y [y/n] use complex i/o   file den= auxiliary input file name   int niter=1 number of iterations   int pad1=1 padding factor on the first axis   float perc=0.1 precentage (of max) for protection when dividing   bool verb=n [y/n] verbosity