Synopsis
		sfiwarp2 < in.rsf > out.rsf warp=warp.rsf inv=y n1=nt n2=nx eps=0.01 d1=1 o1=0 d2=1 o2=0

Parameters
		int d1=1 output sampling - for inv=y   float d2=1 output sampling - for inv=y   float eps=0.01 stretch regularization   bool inv=y [y/n] inversion flag   int n1=nt   int n2=nx output samples - for inv=y   float o1=0 output origin - for inv=y   float o2=0 output origin - for inv=y   file warp= auxiliary input file name