Synopsis
		sfiwioper0 < in.rsf > out.rsf model=model.rsf us=us.rsf ur=ur.rsf weight=weight.rsf precon=precon.rsf adj=n nh=0 uts=0 npml=10 mass=n order=

Parameters
		bool adj=n [y/n] adjoint flag   bool mass=n [y/n] if y, use discretization-based mass term   string model= auxiliary input file name   int nh=0 horizontal space-lag   int npml=10 PML width   string order= discretization scheme (default optimal 9-point)   string precon= auxiliary input file name   string ur= auxiliary input file name   string us= auxiliary input file name   int uts=0 number of OMP threads   string weight= auxiliary input file name