Synopsis
		sffftwave2p < Fw.rsf > Fo.rsf ref=Fr.rsf snaps=snaps.rsf left=left.rsf right=right.rsf verb=n abc=n nbt= nbb=nbt nbl=nbt nbr=nbt ct= cb=ct cl=ct cr=ct snap=0 cmplx=n pad1=1

Parameters
		bool abc=n [y/n] absorbing flag   float cb=ct   float cl=ct   bool cmplx=n [y/n] use complex FFT   float cr=ct   float ct=   file left= auxiliary input file name   int nbb=nbt   int nbl=nbt   int nbr=nbt   int nbt=   int pad1=1 padding factor on the first axis   file ref= auxiliary input file name   file right= auxiliary input file name   int snap=0 interval for snapshots   file snaps= auxiliary output file name   bool verb=n [y/n] verbosity