Synopsis
		sfTestfd3d < Fv.rsf > Fw.rsf verb=n verb=n frsf=n nt= kt= ns=1 nb=30 dt= fm=20

4th order in space, 2nd order in time, sponge absorbing boundary condition.

Parameters
		float dt=   float fm=20   bool frsf=n [y/n] free surface or not   int kt= record wavefield at time kt   int nb=30   int ns=1   int nt=   bool verb=n [y/n] verbosity

Used In
		XJTU          primer/testfd3d