Synopsis
		sfltft < in.rsf > out.rsf basis=basis.rsf mask=mask.rsf weight=weight.rsf inv=n verb=n nw= dw= w0=0. rect=10 niter=100 alpha=0.

July 2014 program of the month:
http://ahay.org/blog/2014/07/13/program-of-the-month-sfltft/

Parameters
		float alpha=0. frequency adaptivity   string basis= auxiliary output file name   float dw= frequency step   bool inv=n [y/n] if y, do inverse transform   string mask= data weight (auxiliary input file name)   int niter=100 number of inversion iterations   int nw= number of frequencies   int rect=10 smoothing radius (in time, samples)   bool verb=n [y/n] verbosity flag   float w0=0. first frequency   string weight= model weight (auxiliary input file name)

Used In
		DATA          freeusp/land teapotdome/canoren   JLU          apefsnsep/dune apefsnsep/simplegroll lcfs/conq-model lcfs/conq-noise lcfs/lcfest lcfs/rdata lcfs/varq-model vdseislet/usp   M8R          data/freeusp   PSU          ligo/test   RSF          school/data school2017/seismic   TCCS          attr/vecta ltft/groll ltft/timefreq ltft/vecta specrecom/tf