Program sfxcor3d | OpenMP time- or freq-domain reversed cross-correlation on the fourth axes, read entire cube into memory 
[SYNOPSIS]
sfxcor3d < Fs.rsf uu=Fr.rsf > Fi.rsf verb=n rev=n
[PARAMETERS]
bool    | rev | =n |  [y/n] | 	reverse the fourth axis of uu 
file    | uu | = |   | 	auxiliary input file name
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/jsun
