Synopsis
		sfmpifwi vinit=vinit.rsf shots=shots.rsf > vupdates.rsf grads=grads.rsf illums=illums.rsf objs=objs.rsf verb=y precon=n niter=100 rbell=2

Note: Clayton-Enquist absorbing boundary condition (A2) is applied!

Parameters
		file grads= auxiliary output file name   file illums= auxiliary output file name   int niter=100 number of iterations   file objs= auxiliary output file name   bool precon=n [y/n] precondition or not   int rbell=2 radius of bell smooth   file shots= auxiliary input file name   bool verb=y [y/n] vebosity   file vinit= auxiliary input file name

Used In
		XJTU          test/mpifwi