Program sfcfftwave1 | 1-D complex lowrank FFT wave extrapolation 
[SYNOPSIS]
sfcfftwave1 < inp.rsf > out.rsf left=left.rsf right=right.rsf prop=prop.rsf nt= dt=
[PARAMETERS]
float   | dt | = |   | 	
file    | left | = |   | 	auxiliary input file name
int     | nt | = |   | 	
file    | prop | = |   | 	auxiliary input file name
string  | right | = |   | 	auxiliary input file name
[DIRECTORY]
user/fomels
