CellParticleCachingPolicy.h

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#ifndef CELL_PARTICLE_CACHING_POLICY
#define CELL_PARTICLE_CACHING_POLICY

/*
 *
 * The Cell caching layout ensures that each node has all ghost particles
 * for each external particle that is inside a neighboring cell.
 *
 */

#include <Particle/BoxParticleCachingPolicy.h>

template<class T, unsigned Dim, class Mesh>
class CellParticleCachingPolicy : private BoxParticleCachingPolicy<T,Dim,Mesh> {
public:
        CellParticleCachingPolicy()
        {
                std::fill(cells, cells+Dim, 0);
        }

        void setCacheCellRange(int d, int length)
        {
                cells[d] = length;
        }

        void setAllCacheCellRanges(int length)
        {
                std::fill(cells, cells+Dim, length);
        }

        template<class C>
        void updateCacheInformation(
                ParticleSpatialLayout<T, Dim, Mesh, C > &PLayout
                )
        {
                for(int d = 0;d<Dim;++d)
                        BoxParticleCachingPolicy<T,Dim,Mesh>::setCacheDimension(d, cells[d]*PLayout.getLayout().getMesh().get_meshSpacing(d));

                BoxParticleCachingPolicy<T,Dim,Mesh>:: updateCacheInformation(PLayout);
        }

        template<class C>
        void updateGhostParticles(
                IpplParticleBase< ParticleSpatialLayout<T,Dim,Mesh,C > > &PData,
                ParticleSpatialLayout<T, Dim, Mesh, C > &PLayout
                )
        {
                for(int d = 0;d<Dim;++d)
                        BoxParticleCachingPolicy<T,Dim,Mesh>::setCacheDimension(d, cells[d]*PLayout.getLayout().getMesh().get_meshSpacing(d));

                BoxParticleCachingPolicy<T,Dim,Mesh>::updateGhostParticles(PData, PLayout);
        }
protected:
        ~CellParticleCachingPolicy() {}
private:
        int cells[Dim];
};

#endif