Synopsis
		sfwem3d_gpu vel=Fvel.rsf swf=Fswf.rsf rwf=Frwf.rsf swfout=Fswfo.rsf rwfout=Frwfo.rsf kxmap=Fkxmap.rsf > Fxigo.rsf gpu=0 nxtap=40 nytap=40 verbose=n wantwf=n

Parameters
		int gpu=0 ID of the GPU to be used   file kxmap= auxiliary output file name   int nxtap=40 TAPER size   int nytap=40 TAPER size   file rwf= auxiliary input file name   file rwfout= auxiliary output file name   file swf= auxiliary input file name   file swfout= auxiliary output file name   file vel= auxiliary input file name   bool verbose=n [y/n] VERBOSITY flag   bool wantwf=n [y/n] Want output wavefields