Synopsis
		sfcltft < in.rsf > out.rsf basis=basis.rsf inv=n verb=n dip=n time=n decompose=n rect=10 niter=100 np= dp= p0= nw=kiss_fft_next_fast_size(n1) dw=1./(nw*d1) w0=-0.5/d1

Parameters
		string basis= auxiliary output file name   bool decompose=n [y/n] if y, output decomposition   bool dip=n [y/n] if y, do dip decomposition   float dp= slope step   float dw=1./(nw*d1) frequency step   bool inv=n [y/n] if y, do inverse transform   int niter=100 number of inversion iterations   int np= number of slopes   int nw=kiss_fft_next_fast_size(n1) number of frequencies   float p0= first slope   int rect=10 smoothing radius (in time, samples)   bool time=n [y/n] if y, decompose in time   bool verb=n [y/n] verbosity flag   float w0=-0.5/d1 first frequency