Synopsis
		sfanisodiffuse < in.rsf > out.rsf vx=fvx.rsf vy=fvy.rsf niter=10 repeat=1 eps=1.

Applied in 3D in a slice by slice fashion: set of
2D diffusions for a fixed time sample.

Parameters
		float eps=1. regularization parameter   int niter=10 number of conjugate-gradient iterations   int repeat=1 number of smoothing iterations   file vx= auxiliary input file name   file vy= auxiliary input file name

Used In
		TCCS          anisodiff/pcable anisodiff/simple3d