Synopsis
		sflstk < Fi.rsf > Fo.rsf ompchunk=1 verb=n sig=1.0 na=1 oa=0.0 da=1.0 nl=0 dl=1. ol=0.

Parameters
		float da=1.0   float dl=1.   int na=1   int nl=0   float oa=0.0   float ol=0.   int ompchunk=1 OpenMP data chunk size   float sig=1.0   bool verb=n [y/n] verbosity flag