Synopsis
		sfpwdtensor < in.rsf in2=in2.rsf in3=in3.rsf > out.rsf out2=out2.rsf uver=uver.rsf uhor=uhor.rsf vver=vver.rsf vhor=vhor.rsf eps=0.00001 normalize=n

Parameters
		float eps=0.00001   file in2= auxiliary input file name   file in3= auxiliary input file name   bool normalize=n [y/n]   file out2= auxiliary output file name   file uhor= auxiliary output file name   file uver= auxiliary output file name   file vhor= auxiliary output file name   file vver= auxiliary output file name