Synopsis
		sfpermlr1 < vel.rsf fft=fft.rsf left=left.rsf right=right.rsf size=size.rsf seed=time(NULL eps=1.e-4 npk=5 dt=

Parameters
		dt= time step   eps=1.e-4 tolerance   file fft= auxiliary input file name   file left= auxiliary output file name   npk=5 maximum rank   file right= auxiliary output file name   seed=time(NULL   file size= auxiliary output file name