Synopsis
		sfiwarp < in.rsf > out.rsf warp=warp.rsf inv=y n1=nt eps=0.01 d1=1 o1=0

September 2012 program of the month:
http://ahay.org/blog/2012/09/03/program-of-the-month-sfiwarp/

Parameters
		float d1=1 output sampling - for inv=y   float eps=0.01 stretch regularization   bool inv=y [y/n] inversion flag   int n1=nt output samples - for inv=y   float o1=0 output origin - for inv=y   file warp= auxiliary input file name

Used In
		DATA          nankai/data   GEE          lsq/lomask lsq/vesuvio   GEO384S          hw2/migration hw3/dmo hw6/gazdag hw6/rtm   JLU          vdseislet/demultiple vdseislet/haskell   MILANO          taupvel/cmp taupvel/synth   RSF          tutorials/well-tie   SEP          balance/ampl pyramid/model   TCCS          acrossfault/clyde acrossfault/gulf acrossfault/louis2d acrossfault/synth aii/heidrun apwd/crnfld apwd/trace enhemd/postack enhemd/prestack enhemd/sigmoid flat/comaz flat/flat flat/flatelf nmo3/azimuthtest opwd/pick ovc/nankai phase/boon3 probdif/nankai sparse/vg sswtapp/strata strat/spec-decom t2dweak/alaska timefreq/chev uncert/beivc varipick/newviking welllogs/logs wetm/nankaizone   ZJU          diffrlrra/nankai_new optnoise/postack optnoise/prestack