Synopsis
		sfinttest3 < in.rsf > out.rsf coord=crd.rsf nw= kai=4.0 interp=

Parameters
		file coord= auxiliary input file name   string interp= interpolation (lagrange,cubic,kaiser,lanczos,cosine,welch,spline)   float kai=4.0 Kaiser window parameter   int nw= interpolator size

Used In
		RSF          tutorials/interp