93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
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#ifndef __COSMOTOOL_SPH_SMOOTH_HPP
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#define __COSMOTOOL_SPH_SMOOTH_HPP
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#include "config.hpp"
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#include "mykdtree.hpp"
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namespace CosmoTool
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{
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template <typename ValType, int Ndims = NUMDIMS>
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class SPHSmooth
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{
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public:
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typedef struct
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{
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ComputePrecision weight;
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ValType pValue;
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} FullType;
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typedef KDTree<Ndims,FullType> SPHTree;
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typedef KDTreeNode<Ndims,FullType> SPHNode;
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typedef KDCell<Ndims,FullType> SPHCell;
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typedef typename KDTree<Ndims,FullType>::CoordType CoordType;
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typedef ComputePrecision (*computeParticleValue)(const ValType& t);
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typedef void (*runParticleValue)(ValType& t);
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public:
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SPHSmooth(SPHTree *tree, uint32_t Nsph, uint32_t deltaN);
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virtual ~SPHSmooth();
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void fetchNeighbours(const typename SPHTree::coords& c);
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void fetchNeighboursOnVolume(const typename SPHTree::coords& c, ComputePrecision radius);
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const typename SPHTree::coords& getCurrentCenter() const
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{
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return currentCenter;
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}
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ComputePrecision computeSmoothedValue(const typename SPHTree::coords& c,
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computeParticleValue fun);
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ComputePrecision computeInterpolatedValue(const typename SPHTree::coords& c,
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computeParticleValue fun);
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ComputePrecision getMaxDistance(const typename SPHTree::coords& c,
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SPHNode *node) const;
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ComputePrecision getSmoothingLen() const
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{
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return smoothRadius;
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}
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// TO USE WITH EXTREME CARE !
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void setSmoothingLen(ComputePrecision len)
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{
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smoothRadius = len;
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}
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// END
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void runForEachNeighbour(runParticleValue fun);
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void addGridSite(const typename SPHTree::coords& c);
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bool hasNeighbours() const;
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virtual ComputePrecision getKernel(ComputePrecision d) const;
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SPHTree *getTree() { return tree; }
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protected:
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SPHCell **ngb;
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CoordType *distances;
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uint32_t Nsph;
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uint32_t deltaNsph;
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uint32_t maxNgb;
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uint32_t currentNgb;
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SPHTree *tree;
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ComputePrecision smoothRadius;
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typename SPHTree::coords currentCenter;
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ComputePrecision computeWValue(const typename SPHTree::coords & c,
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SPHCell& cell,
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CoordType d,
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computeParticleValue fun);
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void runUnrollNode(SPHNode *node,
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runParticleValue fun);
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};
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template<class ValType1, class ValType2, int Ndims>
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bool operator<(const SPHSmooth<ValType1, Ndims>& s1, const SPHSmooth<ValType2, Ndims>& s2);
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};
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#include "sphSmooth.tcc"
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#endif
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