Hello,

I'm trying to use the stencil object from Blitz++ User Guide

#include <blitz/array.h>
using namespace blitz;

BZ_DECLARE_STENCIL4(test,P1,P2,P3,c)
    P3 = 2 * P2 + c * Laplacian3D(P2) - P1;
BZ_END_STENCIL

applyStencil(test(), P1, P2, P3, c);