Synopsis
		sfcosft < in.rsf > out.rsf sign#=0

The input and output are real and have the same dimensions.
Pad the data if you need to suppress wrap-around effects.

Parameters
		int sign#=0 transform along #-th dimension [+1 forward or -1 backward]

Used In
		BEI          dwnc/phasemod dwnc/sigmoid dwnc/vofz   DATA          nankai/shots   GEO384W          hw4/sigsbee hw4/synth   GEO391          hw6/dunes   JSG          diffr/chan3d diffr/fault diffr/gom lfd/oned lowrank/fio seislet/seis shape/beivc   RSF          su/rsflab7 su/rsflab8 su/rsflab9 su/rsfscales   SEP          bspl/stolt forwd/stolt stoltst/elfst stoltst/imps vc2/beivc vc2/elfvc vc2/sigvc vc2/spec vc2/vcmod vc2/vcspk velspec/impls velspec/sigvc   SWAG          anisogath/synth