Synopsis
		sflocalsnr < in.rsf en=en.rsf > out.rsf nw= niter=100 verb=y eps=0.0f stack=y rect#=(1,1,...)

Parameters
		file en= auxiliary input file name   float eps=0.0f regularization   int niter=100 number of inversion iterations   int nw= window length   int rect#=(1,1,...) smoothing radius on #-th axis   bool stack=y [y/n] if y, window centre point, whereas window average   bool verb=y [y/n] verbosity flag