VerletListsCellsHelpers.h File Reference

#include <array>
#include <cstddef>
#include <unordered_map>
#include <utility>
#include <vector>
#include "autopas/options/TraversalOption.h"
#include "autopas/utils/ThreeDimensionalMapping.h"

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Classes
struct	autopas::VerletListsCellsHelpers::BaseStepOffsets
	Helper Struct to bundle all information about base step offsets. More...

Namespaces
namespace	autopas
	This is the main namespace of AutoPas.
namespace	autopas::VerletListsCellsHelpers
	Helper functions and type aliases for verlet lists cells.

Typedefs
template<class Particle_T >
using	autopas::VerletListsCellsHelpers::AllCellsNeighborListsType = std::vector< std::vector< std::pair< Particle_T *, std::vector< Particle_T * > > > >
	Cell wise verlet lists for neighbors from all adjacent cells: For every cell, a vector of pairs.
template<class Particle_T >
using	autopas::VerletListsCellsHelpers::PairwiseNeighborListsType = std::vector< std::vector< std::vector< std::pair< Particle_T *, std::vector< Particle_T * > > > > >
	Pairwise verlet lists: For every cell a vector, for every neighboring cell a vector of particle-neighborlist pairs.

Enumerations
enum class	autopas::VerletListsCellsHelpers::VLCBuildType { aosBuild , soaBuild }
	Indicates which build functor should be used for the generation of the neighbor list. More...

Functions
std::vector< BaseStepOffsets >	autopas::VerletListsCellsHelpers::buildBaseStep (const std::array< int, 3 > &cellsPerDim, const TraversalOption traversal)
	Builds the list of offsets from the base cell for the c01, c08, and c18 base step.
size_t	autopas::VerletListsCellsHelpers::estimateListLength (size_t numParticles, const std::array< double, 3 > &boxSize, double interactionLength, double correctionFactor)
	Simple heuristic to calculate the average number of particles per verlet list assuming particles are evenly distributed in the domain box.
template<class Cells >
size_t	autopas::VerletListsCellsHelpers::estimateNumLists (size_t baseCellIndex, bool useNewton3, const Cells &cells, const std::vector< BaseStepOffsets > &offsetsC08, const std::array< size_t, 3 > cellsPerDim)
	Function to estimate the number of neighbor lists for one base step.

Detailed Description

Author

nguyen

Date

30.08.18