Synopsis
		sffft1 < Fin.rsf > Fou.rsf ot=Fot.rsf verb=n inv=n sym=n opt=y memsize=1000.0

Parameters
		bool inv=n [y/n] y, inverse transform   float memsize=1000.0   bool opt=y [y/n] y, determine optimal size for efficiency   string ot= auxiliary input file name   bool sym=n [y/n] y, symmetric scaling for Hermitian FFT   bool verb=n [y/n] verbosity flag

Used In
		BEI          fdm/kjartjac ft1/autocor ft1/ft2d ft1/plane4   CHEN          test/fpca   CUP          rna2d/real rna2d/shot rna2d/simple rna3d/real rna3d/shot rna3d/sin   CWP          geo2006TimeShiftImagingCondition/flat geo2007StereographicImagingCondition/sigsbee2 geo2008NumericWEMVAoperators/flatWEMVA geo2008NumericWEMVAoperators/saltWEMVA geo2011WideAzimuthAngleDecomposition/flatEICangle jse2006RWEImagingOverturningReflections/sigsbee   DATA          alaska/line31-81-m8r cant12/lpf cant12/stk nankai/data sigsbee/ptest sigsbee/pwemig sigsbee/wemig teapotdome/angmig teapotdome/canoren teapotdome/scdecon teapotdome/vels teapotdome/zomig   EEG          marchenko/example-cluster marchenko/example   GALLERY          bp/lowrank bp/oway constant/lowrank constant/oway french/lowrank french/oway gradient/lowrank gradient/oway marmousi/lowrank marmousi/model overthrust/lowrank overthrust/model overthrust/oway segsalt/lowrank segsalt/model sigsbee/lowrank sigsbee/model sigsbee/oway teapot/angmig teapot/zomig twohalf/lowrank twohalf/model twohalf/oway vofz/lowrank vofz/oway   GEO384H          hw5/seabeam   GEO384S          hw2/groundroll hw5/radon hw6/rtm   GEO384W          hw3/synth hw5/hyper hw5/lsmig   JLU          apefsnsep/simplegroll fspfint/cmp fspfint/curve fspfint/noise_qdome fspfint/qdome fspfint/sean fxyspfdenoi/qdome gvdseisint/bei gvdseisint/ocmodel lcfs/conq-model lcfs/lcfest lcfs/rdata lcfs/varq-model spefdecon/atten-model spefdecon/wedge txsopf/curvedmodel txsopf/data2 txsopf/model txyapf/curve txyapf/french txyapf/real3d txyapf/sigmoid txyspfint/field3 txyspfint/french   RSF          reprobook/exam5 rsf/rsftour rsf/sfnderiv school/complex school/single school2017/csem school2020/csem scons/rsfpy su/rsfdecon su/rsfdipfilt su/rsfkfupm su/rsflab10 tutorials/cs tutorials/lineaments tutorials/timefreq tutorials/wavelet tutorials/yilmaz1   SEP          fat/green fkamo/impresp fractal/random oc2/cup oc2/elfshot oc2/ocimp passive/synth pyramid/model pyramid/pyramid vc2/spec velspec/sigvc   SWAG          anisogath/synth itime/syn   TCCS          anisodiff/pcable atten/enerd atten/karman1 atten/karmand atten/spectra cs/coef dbortho/hyper dealiase/coef dealiase/linear deblend/fairfield-initmfnew deblend/linear deblend/synthcomplex deblend/synthhyper diffr/chan3d diffr/fault dlaugment/exp dsd/conflict dsd/demo dsd/demo2 dsd/demo3.1perc emdpf/dipfilter eseis/demo2 eseis/demo4 eseis/field eseis/sparse fwiseislet/blend fwiseislet/encoding-spar fwiseislet/encoding fwiseislet/noise-spar fwiseislet/noise fwiseislet/timedomain fwiseislet/wavelet group3/tiltorthocompare lfd/twod lowrank/bp lowrank/fio lowrank/fowler lowrank/impres lowrank/threed ltft/groll nmo3/mcelroy nmodeblend/bei nmodeblend/synth oc3/bei oc3/fault oc3/french oc3/frenchint onestep/fowler optapert/depthMig ortho/orthorna orthorhombic/orth orthorhombic/test orthorhombic/tiltn ovc/nankai ovc/psovc ovc/toy phase/signal pi/barrolka pi/bei pi/simple-model probdif/nankai probdif/noisy-synthetic probdif/synthetic probdif/toy reversible/nscnmo scan3/realdata seislet/lena seislet/plane sglowrank/avo sglowrank/bp3 sglowrank/mms1d-all-vv sglowrank/mms1d-dt-vv sglowrank/mms1d-dx-vv sglowrank/mms1d-fre sglowrank/tlayer3 simistack/bei sparse/sparse-experim-shaping specrecom/ricker stackadcig/flat svmf/fairfield svmf/test svmf/testnoise svscan/beicmps synth/ordexample20hz synth/small-khuff t2dweak/alaska time2depth/masha2 vc3/fracs vc3/threedim vscan/stack wetm/beivel wetm/nankaizone wetm/synthetic4   TUTORIAL          authors/data   UH          avostack/stack   XJTU          mcaseislet/sep2   ZJU          diffrlrra/fault odrr3d/hyp3d odrr3d/hyp3d_N20 odrr3d/syn3d odrr3d/syn3d_N6 odrr3d/syn3d_hf