Synopsis
		sffftwave2taper < Fw.rsf > Fo.rsf ref=Fr.rsf snaps=snaps.rsf left=left.rsf right=right.rsf verb=n cmplx=n pad1=1 taper=0 thresh=0.92 snap=0

Parameters
		bool cmplx=n [y/n] use complex FFT   file left= auxiliary input file name   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   int taper=0 tapering in the frequency domain   float thresh=0.92 tapering threshold   bool verb=n [y/n] verbosity