Synopsis
		sflfdcsgm2c < velf.rsf > outm.rsf sx=fsx.rsf sz=fsz.rsf seed=time(NULL eps=1.e-6 npl=50 dt= size=6 wavnumcut=1.0 weight=true f0=15 a0=1000 filter=0 p=0.1 taper=true tpa=0.5 tpb=0.8

Parameters
		a0=1000   dt= time step   eps=1.e-6 tolerance   f0=15   filter=0   npl=50 maxium rank   p=0.1   seed=time(NULL   size=6 stencil length   file sx= auxiliary output file name   file sz= auxiliary output file name   taper=true   tpa=0.5 taper for stability   tpb=0.8   wavnumcut=1.0 wavenumber cut percentile   weight=true