LatticeElementFinder Struct Reference

#include <LatticeElementFinder.H>

Public Member Functions
void	InitElementFinder (int lev, amrex::Real gamma_boost, const amrex::Vector< amrex::Real > &time, amrex::MFIter const &a_mfi, AcceleratorLattice const &accelerator_lattice)
	Initialize the element finder at the level and grid.
void	AllocateIndices (AcceleratorLattice const &accelerator_lattice)
	Allocate the index lookup tables for each element type.
void	UpdateIndices (int lev, amrex::MFIter const &a_mfi, AcceleratorLattice const &accelerator_lattice, const amrex::Vector< amrex::Real > &time)
	Update the index lookup tables for each element type, filling in the values.
LatticeElementFinderDevice	GetFinderDeviceInstance (WarpXParIter const &a_pti, int a_offset, AcceleratorLattice const &accelerator_lattice, const amrex::Vector< amrex::Real > &dts) const
	Get the device level instance associated with this instance.
void	setup_lattice_indices (amrex::Gpu::DeviceVector< amrex::ParticleReal > const &zs, amrex::Gpu::DeviceVector< amrex::ParticleReal > const &ze, amrex::Gpu::DeviceVector< int > &indices) const
	Fill in the index lookup tables This loops over the grid (in z) and finds the lattice element closest to each grid point.

Public Attributes
int	m_nz
amrex::Real	m_zmin
amrex::Real	m_dz
amrex::ParticleReal	m_gamma_boost
amrex::ParticleReal	m_uz_boost
amrex::Real	m_time
amrex::Gpu::DeviceVector< int >	d_quad_indices
amrex::Gpu::DeviceVector< int >	d_plasmalens_indices

Member Function Documentation

AllocateIndices()

void LatticeElementFinder::AllocateIndices

(

AcceleratorLattice const &

accelerator_lattice

)

Allocate the index lookup tables for each element type.

Parameters

[in]

accelerator_lattice

a reference to the accelerator lattice at the refinement level

GetFinderDeviceInstance()

LatticeElementFinderDevice LatticeElementFinder::GetFinderDeviceInstance ( WarpXParIter const & a_pti, int a_offset, AcceleratorLattice const & accelerator_lattice, const amrex::Vector< amrex::Real > & dts ) const

nodiscard

Get the device level instance associated with this instance.

Parameters

[in]	a_pti	specifies the grid where the finder is defined
[in]	a_offset	particle index offset needed to access particle info
[in]	accelerator_lattice	a reference to the accelerator lattice at the refinement level
[in]	dts	vector containing the timestep sizes at all refinement levels

InitElementFinder()

void LatticeElementFinder::InitElementFinder	(	int	lev,
		amrex::Real	gamma_boost,
		const amrex::Vector< amrex::Real > &	time,
		amrex::MFIter const &	a_mfi,
		AcceleratorLattice const &	accelerator_lattice )

Initialize the element finder at the level and grid.

Parameters

[in]	lev	the refinement level
[in]	gamma_boost	the Lorentz factor of the boosted frame
[in]	time	the current time on all refinement levels
[in]	a_mfi	specifies the grid where the finder is defined
[in]	accelerator_lattice	a reference to the accelerator lattice at the refinement level

setup_lattice_indices()

void LatticeElementFinder::setup_lattice_indices	(	amrex::Gpu::DeviceVector< amrex::ParticleReal > const &	zs,
		amrex::Gpu::DeviceVector< amrex::ParticleReal > const &	ze,
		amrex::Gpu::DeviceVector< int > &	indices ) const

Fill in the index lookup tables This loops over the grid (in z) and finds the lattice element closest to each grid point.

Parameters

[in]	zs	list of the starts of the lattice elements
[in]	ze	list of the ends of the lattice elements
[in]	indices	the index lookup table to be filled in

UpdateIndices()

void LatticeElementFinder::UpdateIndices	(	int	lev,
		amrex::MFIter const &	a_mfi,
		AcceleratorLattice const &	accelerator_lattice,
		const amrex::Vector< amrex::Real > &	time )

Update the index lookup tables for each element type, filling in the values.

Parameters

[in]	lev	the refinement level
[in]	a_mfi	specifies the grid where the finder is defined
[in]	accelerator_lattice	a reference to the accelerator lattice at the refinement level
[in]	time	the current time on all refinement levels

Member Data Documentation

d_plasmalens_indices

amrex::Gpu::DeviceVector<int> LatticeElementFinder::d_plasmalens_indices

d_quad_indices

amrex::Gpu::DeviceVector<int> LatticeElementFinder::d_quad_indices

m_dz

amrex::Real LatticeElementFinder::m_dz

m_gamma_boost

amrex::ParticleReal LatticeElementFinder::m_gamma_boost

m_nz

int LatticeElementFinder::m_nz

m_time

amrex::Real LatticeElementFinder::m_time

m_uz_boost

amrex::ParticleReal LatticeElementFinder::m_uz_boost

m_zmin

amrex::Real LatticeElementFinder::m_zmin

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The documentation for this struct was generated from the following files:

• /home/docs/checkouts/readthedocs.org/user_builds/warpx/checkouts/26.07/Source/AcceleratorLattice/LatticeElementFinder.H
• /home/docs/checkouts/readthedocs.org/user_builds/warpx/checkouts/26.07/Source/AcceleratorLattice/LatticeElementFinder.cpp