Synopsis
		sfffd2_den_omp > out.rsf vel=vel.rsf den=den.rsf < source.rsf snaps=snaps.rsf dt= nt= isx= isz= irz=isz jm=20 ax=2.0 az=2.0 factor=2.0/3.0 snap=y nbt=0 nbb=0 nbl=0 nbr=0 sht=0 ct=0.01 cb=0.01 cl=0.01 cr=0.01

Parameters
		float ax=2.0 suppress HF parameter   float az=2.0 suppress HF parameter   float cb=0.01 decaying parameter   float cl=0.01 decaying parameter   float cr=0.01 decaying parameter   float ct=0.01 decaying parameter   file den= auxiliary input file name   float dt=   float factor=2.0/3.0 suppress HF parameter   int irz=isz   int isx=   int isz=   int jm=20   int nbb=0   int nbl=0   int nbr=0   int nbt=0   int nt=   int sht=0   bool snap=y [y/n] Output snapshots   file snaps= auxiliary output file name   file vel= auxiliary input file name