dipolar_direct_sum.cpp File Reference

#include <config/config.hpp>
#include "magnetostatics/dipolar_direct_sum.hpp"
#include "magnetostatics/dipolar_direct_sum_kernels.hpp"
#include "BoxGeometry.hpp"
#include "cells.hpp"
#include "communication.hpp"
#include "errorhandling.hpp"
#include "particle_reduction.hpp"
#include "system/System.hpp"
#include <Kokkos_Core.hpp>
#include <Kokkos_ScatterView.hpp>
#include <utils/Vector.hpp>
#include <utils/math/tensor_product.hpp>
#include <utils/mpi/iall_gatherv.hpp>
#include <boost/mpi/collectives.hpp>
#include <boost/mpi/communicator.hpp>
#include <mpi.h>
#include <cassert>
#include <cstddef>
#include <numeric>
#include <stdexcept>
#include <tuple>
#include <utility>
#include <vector>

Include dependency graph for dipolar_direct_sum.cpp:

Go to the source code of this file.

Classes
struct	PosMom
	Position and dipole moment of one particle. More...

Functions
static auto	gather_particle_data (BoxGeometry const &box_geo, ParticleRange const &particles)
static auto	get_n_cut (BoxGeometry const &box_geo, int n_replicas)
static std::vector< Utils::Vector3d >	make_image_shifts (Utils::Vector3i const &ncut, Utils::Vector3d const &box_l)
	Real-space image shifts n x box_l inside the |ncut| sphere.

Function Documentation

gather_particle_data()

static auto gather_particle_data ( BoxGeometry const &  box_geo, ParticleRange const &  particles  )

static

Definition at line 68 of file dipolar_direct_sum.cpp.

References comm_cart, BoxGeometry::folded_position(), Utils::Mpi::iall_gatherv(), ParticleRange::size(), and stream.

Referenced by DipolarDirectSum::add_long_range_forces_cpu(), DipolarDirectSum::dipole_field_at_part_cpu(), DipolarDirectSum::long_range_energy_cpu(), and DipolarDirectSum::long_range_pressure().

get_n_cut()

static auto get_n_cut ( BoxGeometry const &  box_geo, int  n_replicas  )

static

Definition at line 108 of file dipolar_direct_sum.cpp.

References BoxGeometry::periodic().

Referenced by DipolarDirectSum::add_long_range_forces_cpu(), DipolarDirectSum::dipole_field_at_part_cpu(), DipolarDirectSum::long_range_energy_cpu(), and DipolarDirectSum::long_range_pressure().

make_image_shifts()

static std::vector< Utils::Vector3d > make_image_shifts ( Utils::Vector3i const &  ncut, Utils::Vector3d const &  box_l  )

static

Real-space image shifts n x box_l inside the |ncut| sphere.

Index 0 is the primary (zero) shift so self-interaction loops start at index 1.

Definition at line 119 of file dipolar_direct_sum.cpp.

References Utils::Vector< T, N >::norm2(), and stream.

Referenced by DipolarDirectSum::add_long_range_forces_cpu(), DipolarDirectSum::dipole_field_at_part_cpu(), DipolarDirectSum::long_range_energy_cpu(), and DipolarDirectSum::long_range_pressure().