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spatial_cell.hpp
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spatial_cell.hpp
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/*
* This file is part of Vlasiator.
* Copyright 2010-2016 Finnish Meteorological Institute
*
* For details of usage, see the COPYING file and read the "Rules of the Road"
* at http://www.physics.helsinki.fi/vlasiator/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*!
Spatial cell class for Vlasiator that supports a variable number of velocity blocks.
*/
#ifndef VLASIATOR_SPATIAL_CELL_HPP
#define VLASIATOR_SPATIAL_CELL_HPP
#include <algorithm>
#include <cmath>
#include <fstream>
#include <iostream>
#include <mpi.h>
#include <limits>
#include <stdint.h>
#include <vector>
#include <array>
#include <unordered_map>
#include <set>
#include <map>
#include <phiprof.hpp>
#include <tuple>
#include "memoryallocation.h"
#include "common.h"
#include "parameters.h"
#include "definitions.h"
#ifndef AMR
#include "velocity_mesh_old.h"
#else
#include "velocity_mesh_amr.h"
#endif
#include "amr_refinement_criteria.h"
#include "velocity_blocks.h"
#include "velocity_block_container.h"
#include "logger.h"
extern Logger logFile;
#ifndef NDEBUG
#define DEBUG_SPATIAL_CELL
#endif
typedef Parameters P;
// size of velocity blocks in velocity cells
#define block_vx_length WID
#define block_vy_length WID
#define block_vz_length WID
//this is also defined in common.h as SIZE_VELBLOCK, we should remove either one
#define VELOCITY_BLOCK_LENGTH WID3
//#define N_NEIGHBOR_VELOCITY_BLOCKS 28
/*!
Used as an error from functions returning velocity cells or
as a cell that would be outside of the velocity block
*/
#define error_velocity_cell 0xFFFFFFFFu
/*!
Used as an error from functions returning velocity cell indices or
as an index that would be outside of the velocity block
*/
#define error_velocity_cell_index 0xFFFFFFFFu
namespace spatial_cell {
namespace Transfer {
const uint64_t NONE = 0;
const uint64_t CELL_PARAMETERS = (1ull<<0);
const uint64_t CELL_DERIVATIVES = (1ull<<1);
const uint64_t VEL_BLOCK_LIST_STAGE1 = (1ull<<2);
const uint64_t VEL_BLOCK_LIST_STAGE2 = (1ull<<3);
const uint64_t VEL_BLOCK_DATA = (1ull<<4);
const uint64_t VEL_BLOCK_PARAMETERS = (1ull<<6);
const uint64_t VEL_BLOCK_WITH_CONTENT_STAGE1 = (1ull<<7);
const uint64_t VEL_BLOCK_WITH_CONTENT_STAGE2 = (1ull<<8);
const uint64_t CELL_SYSBOUNDARYFLAG = (1ull<<9);
const uint64_t CELL_E = (1ull<<10);
const uint64_t CELL_EDT2 = (1ull<<11);
const uint64_t CELL_PERB = (1ull<<12);
const uint64_t CELL_PERBDT2 = (1ull<<13);
const uint64_t CELL_BGB = (1ull<<14);
const uint64_t CELL_RHOM_V = (1ull<<15);
const uint64_t CELL_RHOMDT2_VDT2 = (1ull<<16);
const uint64_t CELL_RHOQ = (1ull<<17);
const uint64_t CELL_RHOQDT2 = (1ull<<18);
const uint64_t CELL_BVOL = (1ull<<19);
const uint64_t CELL_BVOL_DERIVATIVES = (1ull<<20);
const uint64_t CELL_DIMENSIONS = (1ull<<21);
const uint64_t CELL_IOLOCALCELLID = (1ull<<22);
const uint64_t NEIGHBOR_VEL_BLOCK_DATA = (1ull<<23);
const uint64_t CELL_HALL_TERM = (1ull<<24);
const uint64_t CELL_P = (1ull<<25);
const uint64_t CELL_PDT2 = (1ull<<26);
const uint64_t CELL_RHOQ_TOT = (1ull<<27);
const uint64_t CELL_PHI = (1ull<<28);
const uint64_t POP_METADATA = (1ull<<29);
const uint64_t RANDOMGEN = (1ull<<30);
const uint64_t CELL_GRADPE_TERM = (1ull<<31);
//all data
const uint64_t ALL_DATA =
CELL_PARAMETERS
| CELL_DERIVATIVES | CELL_BVOL_DERIVATIVES
| VEL_BLOCK_DATA
| CELL_SYSBOUNDARYFLAG
| POP_METADATA | RANDOMGEN;
//all data, except the distribution function
const uint64_t ALL_SPATIAL_DATA =
CELL_PARAMETERS
| CELL_DERIVATIVES | CELL_BVOL_DERIVATIVES
| CELL_SYSBOUNDARYFLAG
| POP_METADATA | RANDOMGEN;
}
typedef std::array<unsigned int, 3> velocity_cell_indices_t; /**< Defines the indices of a velocity cell in a velocity block.
* Indices start from 0 and the first value is the index in x direction.
* Note: these are the (i,j,k) indices of the cell within the block.
* Valid values are ([0,block_vx_length[,[0,block_vy_length[,[0,block_vz_length[).*/
typedef std::array<vmesh::LocalID,3> velocity_block_indices_t; /**< Defines the indices of a velocity block in the velocity grid.
* Indices start from 0 and the first value is the index in x direction.
* Note: these are the (i,j,k) indices of the block.
* Valid values are ([0,vx_length[,[0,vy_length[,[0,vz_length[).*/
/** Wrapper for variables needed for each particle species.
* Change order if you know what you are doing.
* All Real fields should be consecutive, as they are communicated as a block.
*
*/
struct Population {
Real RHO;
Real V[3];
Real RHO_R;
Real V_R[3];
Real RHO_V;
Real V_V[3];
Real P[3];
Real P_R[3];
Real P_V[3];
Real RHOLOSSADJUST = 0.0; /*!< Counter for particle number loss from the destroying blocks in blockadjustment*/
Real max_dt[2]; /**< Element[0] is max_r_dt, element[1] max_v_dt.*/
Real velocityBlockMinValue;
uint ACCSUBCYCLES; /*!< number of subcyles for each cell*/
vmesh::LocalID N_blocks; /**< Number of velocity blocks, used when receiving velocity
* mesh from remote neighbors using MPI.*/
vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID> vmesh; /**< Velocity mesh. Contains all velocity blocks that exist
* in this spatial cell. Cells are identified by their unique
* global IDs.*/
vmesh::VelocityBlockContainer<vmesh::LocalID> blockContainer; /**< Velocity block data.*/
};
class SpatialCell {
public:
SpatialCell();
SpatialCell(const SpatialCell& other);
// Following functions return velocity grid metadata //
template<int PAD> void fetch_data(const vmesh::GlobalID& blockGID,const vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& vmesh,
const Realf* src,Realf* array);
template<int PAD> void fetch_acc_data(const vmesh::GlobalID& blockGID,const int& dim,
vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& vmesh,
const Realf* src,Realf* array,Real cellSizeFractions[2]);
vmesh::GlobalID find_velocity_block(uint8_t& refLevel,vmesh::GlobalID cellIndices[3],const uint popID);
Realf* get_data(const uint popID);
const Realf* get_data(const uint popID) const;
Realf* get_data(const vmesh::LocalID& blockLID,const uint popID);
const Realf* get_data(const vmesh::LocalID& blockLID,const uint popID) const;
Real* get_block_parameters(const uint popID);
const Real* get_block_parameters(const uint popID) const;
Real* get_block_parameters(const vmesh::LocalID& blockLID,const uint popID);
const Real* get_block_parameters(const vmesh::LocalID& blockLID,const uint popID) const;
Real* get_cell_parameters();
const Real* get_cell_parameters() const;
vmesh::LocalID get_number_of_velocity_blocks(const uint popID) const;
vmesh::LocalID get_number_of_all_velocity_blocks() const;
int get_number_of_populations() const;
Population & get_population(const uint popID);
const Population & get_population(const uint popID) const;
void set_population(const Population& pop, cuint popID);
uint8_t get_maximum_refinement_level(const uint popID);
const Real& get_max_r_dt(const uint popID) const;
const Real& get_max_v_dt(const uint popID) const;
const vmesh::LocalID* get_velocity_grid_length(const uint popID,const uint8_t& refLevel=0);
const Real* get_velocity_grid_block_size(const uint popID,const uint8_t& refLevel=0);
const Real* get_velocity_grid_cell_size(const uint popID,const uint8_t& refLevel=0);
void get_velocity_block_coordinates(const uint popID,const vmesh::GlobalID& globalID,Real* coords);
velocity_block_indices_t get_velocity_block_indices(const uint popID,const vmesh::GlobalID globalID); // OK
velocity_block_indices_t get_velocity_block_indices(const uint popID,const vmesh::GlobalID globalID,uint8_t& refLevel);
vmesh::GlobalID get_velocity_block(const uint popID,vmesh::GlobalID blockIndices[3],const uint8_t& refLevel) const;
vmesh::GlobalID get_velocity_block(const uint popID,const velocity_block_indices_t indices,const uint8_t& refLevel) const;
vmesh::GlobalID get_velocity_block(const uint popID,const Real* coords,const uint8_t& refLevel=0) const;
vmesh::GlobalID get_velocity_block(const uint popID,const Real vx,const Real vy,const Real vz,const uint8_t& refLevel=0) const;
vmesh::GlobalID get_velocity_block_child(const uint popID,const vmesh::GlobalID& blockGID,const uint8_t& refLevel,
const int& i_cell,const int& j_cell,const int& k_cell);
void get_velocity_block_children_local_ids(const vmesh::GlobalID& blockGID,
std::vector<vmesh::LocalID>& childrenLIDs,
const uint popID);
vmesh::GlobalID get_velocity_block_parent(const uint popID,const vmesh::GlobalID& blockGID);
vmesh::GlobalID get_velocity_block_global_id(const vmesh::LocalID& blockLID,const uint popID) const;
vmesh::LocalID get_velocity_block_local_id(const vmesh::GlobalID& blockGID,const uint popID) const;
void get_velocity_block_size(const uint popID,const vmesh::GlobalID block,Real size[3]);
Real get_velocity_block_vx_min(const uint popID,const vmesh::GlobalID block) const;
Real get_velocity_block_vx_max(const uint popID,const vmesh::GlobalID block) const;
Real get_velocity_block_vy_min(const uint popID,const vmesh::GlobalID block) const;
Real get_velocity_block_vy_max(const uint popID,const vmesh::GlobalID block) const;
Real get_velocity_block_vz_min(const uint popID,const vmesh::GlobalID block) const;
Real get_velocity_block_vz_max(const uint popID,const vmesh::GlobalID block) const;
velocity_cell_indices_t get_velocity_cell_indices(const unsigned int cell) const;
unsigned int get_velocity_cell(const velocity_cell_indices_t indices) const;
unsigned int get_velocity_cell(const uint popID,const vmesh::GlobalID velocity_block,const Real vx,const Real vy,const Real vz) const;
Real get_velocity_cell_vx_min(const uint popID,const vmesh::GlobalID velocity_block,const unsigned int velocity_cell) const;
Real get_velocity_cell_vx_max(const uint popID,const vmesh::GlobalID velocity_block,const unsigned int velocity_cell) const;
Real get_velocity_cell_vy_min(const uint popID,const vmesh::GlobalID velocity_block,const unsigned int velocity_cell) const;
Real get_velocity_cell_vy_max(const uint popID,const vmesh::GlobalID velocity_block,const unsigned int velocity_cell) const;
Real get_velocity_cell_vz_min(const uint popID,const vmesh::GlobalID velocity_block,const unsigned int velocity_cell) const;
Real get_velocity_cell_vz_max(const uint popID,const vmesh::GlobalID velocity_block,const unsigned int velocity_cell) const;
const Real* get_velocity_grid_min_limits(const uint popID);
const Real* get_velocity_grid_max_limits(const uint popID);
bool initialize_mesh();
static unsigned int invalid_block_index();
static vmesh::GlobalID invalid_global_id();
static vmesh::LocalID invalid_local_id();
size_t count(const vmesh::GlobalID& block,const uint popID) const;
void add_values(const vmesh::GlobalID& targetGID,
std::unordered_map<vmesh::GlobalID,Realf[(WID+2)*(WID+2)*(WID+2)]>& sourceData,
const uint popID);
void printMeshSizes();
static bool setCommunicatedSpecies(const uint popID);
// Following functions adjust velocity blocks stored on the cell //
bool add_velocity_block(const vmesh::GlobalID& block,const uint popID);
void add_velocity_blocks(const std::vector<vmesh::GlobalID>& blocks,const uint popID);
bool add_velocity_block_octant(const vmesh::GlobalID& blockGID,const uint popID);
void adjustSingleCellVelocityBlocks(const uint popID);
void adjust_velocity_blocks(const std::vector<SpatialCell*>& spatial_neighbors,
const uint popID,
bool doDeleteEmptyBlocks=true);
void update_velocity_block_content_lists(const uint popID);
bool checkMesh(const uint popID);
void clear(const uint popID);
void coarsen_block(const vmesh::GlobalID& parent,const std::vector<vmesh::GlobalID>& children,const uint popID);
void coarsen_blocks(amr_ref_criteria::Base* evaluator,const uint popID);
uint64_t get_cell_memory_capacity();
uint64_t get_cell_memory_size();
void merge_values(const uint popID);
void prepare_to_receive_blocks(const uint popID);
bool shrink_to_fit();
size_t size(const uint popID) const;
void remove_velocity_block(const vmesh::GlobalID& block,const uint popID);
void swap(vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& vmesh,
vmesh::VelocityBlockContainer<vmesh::LocalID>& blockContainer,const uint popID);
vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& get_velocity_mesh(const size_t& popID);
vmesh::VelocityBlockContainer<vmesh::LocalID>& get_velocity_blocks(const size_t& popID);
vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& get_velocity_mesh_temporary();
vmesh::VelocityBlockContainer<vmesh::LocalID>& get_velocity_blocks_temporary();
Realf get_value(const Real vx,const Real vy,const Real vz,const uint popID) const;
Realf get_value(const vmesh::GlobalID& blockGID, const unsigned int cell, const uint popID) const;
void increment_value(const Real vx,const Real vy,const Real vz,const Realf value,const uint popID);
void increment_value(const vmesh::GlobalID& block,const unsigned int cell,const Realf value,const uint popID);
void set_max_r_dt(const uint popID,const Real& value);
void set_max_v_dt(const uint popID,const Real& value);
void set_value(const Real vx, const Real vy, const Real vz, const Realf value,const uint popID);
void set_value(const vmesh::GlobalID& block,const unsigned int cell, const Realf value,const uint popID);
void refine_block(const vmesh::GlobalID& block,std::map<vmesh::GlobalID,vmesh::LocalID>& insertedBlocks,
const uint popID);
bool velocity_block_has_children(const vmesh::GlobalID& blockGID,const uint popID) const;
vmesh::GlobalID velocity_block_has_grandparent(const vmesh::GlobalID& blockGID,const uint popID) const;
// Following functions are related to MPI //
std::tuple<void*, int, MPI_Datatype> get_mpi_datatype(const CellID cellID,const int sender_rank,const int receiver_rank,
const bool receiving,const int neighborhood);
static uint64_t get_mpi_transfer_type(void);
static void set_mpi_transfer_type(const uint64_t type,bool atSysBoundaries=false);
void set_mpi_transfer_enabled(bool transferEnabled);
void updateSparseMinValue(const uint popID);
Real getVelocityBlockMinValue(const uint popID) const;
// Random number generator functions
//char* get_rng_state_buffer();
//random_data* get_rng_data_buffer();
// Member variables //
//Real derivatives[fieldsolver::N_SPATIAL_CELL_DERIVATIVES]; /**< Derivatives of bulk variables in this spatial cell.*/
std::array<Real, fieldsolver::N_SPATIAL_CELL_DERIVATIVES> derivatives; /**< Derivatives of bulk variables in this spatial cell.*/
//Real derivativesBVOL[bvolderivatives::N_BVOL_DERIVATIVES]; /**< Derivatives of BVOL needed by the acceleration.
// * Separate array because it does not need to be communicated.*/
std::array<Real, bvolderivatives::N_BVOL_DERIVATIVES> derivativesBVOL; /**< Derivatives of BVOL needed by the acceleration.
* Separate array because it does not need to be communicated.*/
//Real parameters[CellParams::N_SPATIAL_CELL_PARAMS]; /**< Bulk variables in this spatial cell.*/
std::array<Real, CellParams::N_SPATIAL_CELL_PARAMS> parameters;
//Realf null_block_data[WID3];
std::array<Realf, WID3> null_block_data;
uint64_t ioLocalCellId; /**< Local cell ID used for IO, not needed elsewhere
* and thus not being kept up-to-date.*/
//vmesh::LocalID mpi_number_of_blocks; /**< Number of blocks in mpi_velocity_block_list.*/
Realf* neighbor_block_data; /**< Pointers for translation operator. We can point to neighbor
* cell block data. We do not allocate memory for the pointer.*/
vmesh::LocalID neighbor_number_of_blocks;
uint sysBoundaryFlag; /**< What type of system boundary does the cell belong to.
* Enumerated in the sysboundarytype namespace's enum.*/
uint sysBoundaryLayer; /**< Layers counted from closest systemBoundary. If 0 then it has not
* been computed. First sysboundary layer is layer 1.*/
int sysBoundaryLayerNew;
std::vector<vmesh::GlobalID> velocity_block_with_content_list; /**< List of existing cells with content, only up-to-date after
* call to update_has_content().*/
vmesh::LocalID velocity_block_with_content_list_size; /**< Size of vector. Needed for MPI communication of size before actual list transfer.*/
std::vector<vmesh::GlobalID> velocity_block_with_no_content_list; /**< List of existing cells with no content, only up-to-date after
* call to update_has_content. This is also never transferred
* over MPI, so is invalid on remote cells.*/
static uint64_t mpi_transfer_type; /**< Which data is transferred by the mpi datatype given by spatial cells.*/
static bool mpiTransferAtSysBoundaries; /**< Do we only transfer data at boundaries (true), or in the whole system (false).*/
private:
//SpatialCell& operator=(const SpatialCell&);
bool compute_block_has_content(const vmesh::GlobalID& block,const uint popID) const;
void merge_values_recursive(const uint popID,vmesh::GlobalID parentGID,vmesh::GlobalID blockGID,uint8_t refLevel,bool recursive,const Realf* data,
std::set<vmesh::GlobalID>& blockRemovalList);
static int activePopID;
bool initialized;
bool mpiTransferEnabled;
// Random number generator state variables, used for running reproducible
// simulations that do not depend on the number of threads of MPI processes used.
//char rngStateBuffer[256]; /**< Random number generator state buffer.*/
//random_data rngDataBuffer; /**< Random number generator data buffer.*/
// Temporary mesh used in acceleration and propagation.
vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID> vmeshTemp; /**< Temporary velocity mesh that is used in Vlasov solver.
* NOTE: Do not call the get-functions using this mesh as object
* before you have set the correct meshID using setMesh function.*/
vmesh::VelocityBlockContainer<vmesh::LocalID> blockContainerTemp;
std::vector<spatial_cell::Population> populations; /**< Particle population variables.*/
};
/****************************
* Velocity block functions *
****************************/
template<int PAD> inline
void SpatialCell::fetch_acc_data(const vmesh::GlobalID& blockGID,const int& dim,
vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& vmesh,
const Realf* src,Realf* array,Real cellSizeFractions[2]) {
const vmesh::LocalID blockLID = vmesh.getLocalID(blockGID);
#ifdef DEBUG_SPATIAL_CELL
if (blockGID == vmesh.invalidGlobalID() || blockLID == vmesh.invalidLocalID()) {
std::cerr << "ERROR: block has invalid global or local index " << __FILE__ << ':' << __LINE__ << std::endl;
exit(1);
}
#endif
const Realf* ptr = NULL;
uint8_t refLevel;
vmesh::LocalID i_block,j_block,k_block;
vmesh.getIndices(blockGID,refLevel,i_block,j_block,k_block);
// Copy values from x face neighbors:
std::vector<vmesh::LocalID> nbrIDs;
int32_t refLevelDiff;
Real crd;
switch (dim) {
case 0: // Transpose i->k, j->j, k->i
ptr = src + blockLID*WID3; // Copy values from this block
for (int k=0; k<WID; ++k) for (int j=0; j<WID; ++j) for (int i=0; i<WID; ++i) {
array[vblock::index(k,j,i+PAD)] = ptr[vblock::index(i,j,k)];
}
for (int i_nbr_off=-1; i_nbr_off<2; i_nbr_off+=2) { // Copy values from x face neighbors:
// Get local IDs of neighbor blocks
vmesh.getNeighborsExistingAtOffset(blockGID,i_nbr_off,+0,+0,nbrIDs,refLevelDiff);
// Position that is used to interpolate values from neighbor blocks
Real pos[3];
if (i_nbr_off < 0) crd = WID-0.5-(PAD-1);
else crd = 0.5;
// i-index to array where interpolated values are stored
uint32_t i_trgt = 0;
if (i_nbr_off > 0) i_trgt = WID+PAD;
if (nbrIDs.size() > 0) { // This block has at least one existing neighbor
if (refLevelDiff == -1) { // Neighbor is one level coarser, interpolate
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data(); // (this check might not be necessary here)
else ptr = src + nbrIDs[0]*WID3;
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
pos[0] = crd + i;
pos[1] = 2*(j_block%2) + j/2 + 0.5;
pos[2] = 2*(k_block%2) + k/2 + 0.5;
array[vblock::index(k,j,i_trgt+i)] = vblock::interp_xy<vblock::interpmethod::NGP>(pos,ptr);
}
cellSizeFractions[(i_nbr_off+1)/2] = 2.0;
} else if (refLevelDiff == 0) { // Neighbor at same level, copy data
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data(); // (this check might not be necessary here)
else ptr = src + nbrIDs[0]*WID3;
uint32_t i_src = 0;
if (i_nbr_off < 0) i_src = WID-PAD;
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
array[vblock::index(k,j,i_trgt+i)] = ptr[vblock::index(i_src+i,j,k)];
}
cellSizeFractions[(i_nbr_off+1)/2] = 1.0;
} else if (refLevelDiff == +1) { // nbr one level more refined, interpolate from four neighbors
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
int index = (k/2)*2 + j/2;
if (nbrIDs[index] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[index]*WID3;
pos[0] = crd + i;
pos[1] = 2*(j%2) + 1;
pos[2] = 2*(k%2) + 1;
array[vblock::index(k,j,i_trgt+i)] = vblock::interp_xy<vblock::interpmethod::CIC>(pos,ptr);
}
cellSizeFractions[(i_nbr_off+1)/2] = 0.5;
}
} else { // Neighbor does not exist, return zero values
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
array[vblock::index(k,j,i_trgt+i)] = 0.0;
}
cellSizeFractions[(i_nbr_off+1)/2] = 1.0;
}
}
break;
case 1: // Transpose i->i, j->k, k->j
ptr = src + blockLID*WID3; // Copy values from this block
for (int k=0; k<WID; ++k) for (int j=0; j<WID; ++j) for (int i=0; i<WID; ++i) {
array[vblock::index(i,k,j+PAD)] = ptr[vblock::index(i,j,k)];
}
for (int j_nbr_off=-1; j_nbr_off<2; j_nbr_off+=2) { // Copy values from y face neighbors:
// Get local IDs of neighbor blocks
vmesh.getNeighborsExistingAtOffset(blockGID,+0,j_nbr_off,+0,nbrIDs,refLevelDiff);
// Position that is used to interpolate values from neighbor blocks
Real pos[3];
if (j_nbr_off < 0) crd = WID-0.5-(PAD-1);
else crd = 0.5;
// j-index to array where interpolated values are stored
uint32_t j_trgt = 0;
if (j_nbr_off > 0) j_trgt = WID+PAD;
if (nbrIDs.size() > 0) { // This block has at least one existing neighbor
if (refLevelDiff == -1) { // Neighbor is one level coarser, interpolate
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data(); // (this check might not be necessary here)
else ptr = src + nbrIDs[0]*WID3;
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
pos[0] = 2*(i_block%2) + i/2 + 0.5;
pos[1] = crd + j;
pos[2] = 2*(k_block%2) + k/2 + 0.5;
array[vblock::index(i,k,j_trgt+j)] = vblock::interp_xy<vblock::interpmethod::NGP>(pos,ptr);
}
cellSizeFractions[(j_nbr_off+1)/2] = 2.0;
} else if (refLevelDiff == 0) { // Neighbor at same level, copy data
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data(); // (this check might not be necessary here)
else ptr = src + nbrIDs[0]*WID3;
uint32_t j_src = 0;
if (j_nbr_off < 0) j_src = WID-PAD;
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
array[vblock::index(i,k,j_trgt+j)] = ptr[vblock::index(i,j_src+j,k)];
}
cellSizeFractions[(j_nbr_off+1)/2] = 1.0;
} else if (refLevelDiff == +1) { // nbr one level more refined, interpolate from four neighbors
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
// Iterate over the four neighbors. If the neighbor does not exist,
// interpolate values from the null block
int index = (k/2)*2 + i/2;
if (nbrIDs[index] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[index]*WID3;
pos[0] = 2*(i%2) + 1;
pos[1] = crd + j;
pos[2] = 2*(k%2) + 1;
array[vblock::index(i,k,j_trgt+j)] = vblock::interp_xy<vblock::interpmethod::CIC>(pos,ptr);
}
cellSizeFractions[(j_nbr_off+1)/2] = 0.5;
}
} else { // Neighbor does not exist, return zero values
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
array[vblock::index(i,k,j_trgt+j)] = 0.0;
}
cellSizeFractions[(j_nbr_off+1)/2] = 1.0;
}
}
break;
case 2:
ptr = src + blockLID*WID3; // Copy values from this block
for (int k=0; k<WID; ++k) for (int j=0; j<WID; ++j) for (int i=0; i<WID; ++i) {
array[vblock::index(i,j,k+PAD)] = ptr[vblock::index(i,j,k)];
}
for (int k_nbr_off=-1; k_nbr_off<2; k_nbr_off+=2) { // Copy values from z face neighbors:
// Get local IDs of neighbor blocks
vmesh.getNeighborsExistingAtOffset(blockGID,+0,+0,k_nbr_off,nbrIDs,refLevelDiff);
// Position that is used to interpolate values from neighbor blocks
Real pos[3];
if (k_nbr_off < 0) crd = WID-0.5-(PAD-1);
else crd = 0.5;
// k-index to array where interpolated values are stored
uint32_t k_trgt = 0;
if (k_nbr_off > 0) k_trgt = WID+PAD;
if (nbrIDs.size() > 0) { // This block has at least one existing neighbor
if (refLevelDiff == -1) { // Neighbor is one level coarser, interpolate
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data(); // (this check might not be necessary here)
else ptr = src + nbrIDs[0]*WID3;
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
pos[0] = 2*(i_block%2) + i/2 + 0.5;
pos[1] = 2*(j_block%2) + j/2 + 0.5;
pos[2] = crd + k;
array[vblock::index(i,j,k_trgt+k)] = vblock::interp_xy<vblock::interpmethod::NGP>(pos,ptr);
}
cellSizeFractions[(k_nbr_off+1)/2] = 2.0;
} else if (refLevelDiff == 0) { // Neighbor at same level, copy data
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data(); // (this check might not be necessary here)
else ptr = src + nbrIDs[0]*WID3;
uint32_t k_src = 0;
if (k_nbr_off < 0) k_src = WID-PAD;
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
array[vblock::index(i,j,k_trgt+k)] = ptr[vblock::index(i,j,k_src+k)];
}
cellSizeFractions[(k_nbr_off+1)/2] = 1.0;
} else if (refLevelDiff == +1) { // nbr one level more refined, interpolate from four neighbors
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
// Iterate over the four neighbors. If the neighbor does not exist,
// interpolate values from the null block
int index = (j/2)*2 + i/2;
if (nbrIDs[index] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[index]*WID3;
pos[0] = 2*(i%2) + 1;
pos[1] = 2*(j%2) + 1;
pos[2] = crd + k;
array[vblock::index(i,j,k_trgt+k)] = vblock::interp_xy<vblock::interpmethod::CIC>(pos,ptr);
}
cellSizeFractions[(k_nbr_off+1)/2] = 0.5;
}
} else { // Neighbor does not exist, return zero values
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
array[vblock::index(i,j,k_trgt+k)] = 0.0;
}
cellSizeFractions[(k_nbr_off+1)/2] = 1.0;
}
}
break;
} // end switch
}
template<int PAD> inline
void SpatialCell::fetch_data(const vmesh::GlobalID& blockGID,
const vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>& vmesh,
const Realf* src,Realf* array) {
//const vmesh::LocalID blockLID = get_velocity_block_local_id(blockGID);
const vmesh::LocalID blockLID = vmesh.getLocalID(blockGID);
if (blockLID == invalid_local_id()) {
std::cerr << "ERROR: invalid local id in " << __FILE__ << ' ' << __LINE__ << std::endl;
exit(1);
}
// Copy values from this block:
const Realf* ptr = src + blockLID*WID3;
for (unsigned int k=0; k<WID; ++k) for (unsigned int j=0; j<WID; ++j) for (unsigned int i=0; i<WID; ++i) {
array[vblock::padIndex<PAD>(i+PAD,j+PAD,k+PAD)] = ptr[vblock::index(i,j,k)];
}
uint8_t refLevel;
vmesh::LocalID i_block,j_block,k_block;
vmesh.getIndices(blockGID,refLevel,i_block,j_block,k_block);
// Copy values from x face neighbors:
std::vector<vmesh::LocalID> nbrIDs;
int32_t refLevelDiff;
Real crd;
for (int i_nbr_off=-1; i_nbr_off<2; i_nbr_off+=2) {
vmesh.getNeighborsExistingAtOffset(blockGID,i_nbr_off,+0,+0,nbrIDs,refLevelDiff);
Real pos[3];
if (i_nbr_off < 0) crd = WID-0.5-(PAD-1);
else crd = 0.5;
uint32_t i_trgt = 0;
if (i_nbr_off > 0) i_trgt = WID+PAD;
if (nbrIDs.size() > 0) {
if (refLevelDiff == -1) { // nbr one level coarser, interpolate
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[0]*WID3;
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
pos[0] = crd + i;
pos[1] = 2*(j_block%2) + j/2 + 0.5;
pos[2] = 2*(k_block%2) + k/2 + 0.5;
array[vblock::padIndex<PAD>(i_trgt+i,j+PAD,k+PAD)] = vblock::interp_yz<vblock::interpmethod::NGP>(pos,ptr);
}
} else if (refLevelDiff == 0) { // nbr at same level, simple data copy
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[0]*WID3;
uint32_t i_src = 0;
if (i_nbr_off < 0) i_src = WID-PAD;
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
array[vblock::padIndex<PAD>(i_trgt+i,j+PAD,k+PAD)] = ptr[vblock::index(i_src+i,j,k)];
}
} else if (refLevelDiff == +1) { // nbr one level more refined, interpolate from four neighbors
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
int index = (k/2)*2 + j/2;
if (nbrIDs[index] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[index]*WID3;
pos[0] = crd + i;
pos[1] = 2*(j%2) + 1;
pos[2] = 2*(k%2) + 1;
array[vblock::padIndex<PAD>(i_trgt+i,j+PAD,k+PAD)] = vblock::interp_yz<vblock::interpmethod::CIC>(pos,ptr);
}
}
} else { // Neighbor does not exist, return zero values
for (uint32_t i=0; i<PAD; ++i) for (uint32_t k=0; k<WID; ++k) for (uint32_t j=0; j<WID; ++j) {
array[vblock::padIndex<PAD>(i_trgt+i,j+PAD,k+PAD)] = 0.0;
}
}
}
// Copy values from y face neighbors:
for (int j_nbr_off=-1; j_nbr_off<2; j_nbr_off+=2) {
vmesh.getNeighborsExistingAtOffset(blockGID,+0,j_nbr_off,+0,nbrIDs,refLevelDiff);
Real pos[3];
if (j_nbr_off < 0) crd = WID-0.5-(PAD-1);
else crd = 0.5;
uint32_t j_trgt = 0;
if (j_nbr_off > 0) j_trgt = WID+PAD;
if (nbrIDs.size() > 0) {
if (refLevelDiff == -1) { // nbr one level coarser, interpolate
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[0]*WID3;
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
pos[0] = 2*(i_block%2) + i/2 + 0.5;
pos[1] = crd + j;
pos[2] = 2*(k_block%2) + k/2 + 0.5;
array[vblock::padIndex<PAD>(i+PAD,j_trgt+j,k+PAD)] = vblock::interp_xz<vblock::interpmethod::NGP>(pos,ptr);
}
} else if (refLevelDiff == 0) { // nbr at same level, simple data copy
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[0]*WID3;
uint32_t j_src = 0;
if (j_nbr_off < 0) j_src = WID-PAD;
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
array[vblock::padIndex<PAD>(i+PAD,j_trgt+j,k+PAD)] = ptr[vblock::index(i,j_src+j,k)];
}
} else if (refLevelDiff == +1) { // nbr one level more refined, interpolate from four neighbors
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
int index = (k/2)*2 + i/2;
if (nbrIDs[index] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[index]*WID3;
pos[0] = 2*(i%2) + 1;
pos[1] = crd + j;
pos[2] = 2*(k%2) + 1;
array[vblock::padIndex<PAD>(i+PAD,j_trgt+j,k+PAD)] = vblock::interp_xz<vblock::interpmethod::CIC>(pos,ptr);
}
}
} else { // Neighbor does not exist, return zero values
for (uint32_t j=0; j<PAD; ++j) for (uint32_t k=0; k<WID; ++k) for (uint32_t i=0; i<WID; ++i) {
array[vblock::padIndex<PAD>(i+PAD,j_trgt+j,k+PAD)] = 0.0;
}
}
}
// Copy values from z face neighbors:
for (int k_nbr_off=-1; k_nbr_off<2; k_nbr_off+=2) {
vmesh.getNeighborsExistingAtOffset(blockGID,+0,+0,k_nbr_off,nbrIDs,refLevelDiff);
Real pos[3];
uint32_t k_trgt = 0;
if (k_nbr_off > 0) k_trgt = WID+PAD;
if (k_nbr_off < 0) crd = WID-0.5-(PAD-1);
else crd = 0.5;
if (nbrIDs.size() > 0) {
if (refLevelDiff == -1) { // nbr one level coarser, interpolate
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[0]*WID3;
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
pos[0] = 2*(i_block%2) + i/2 + 0.5;
pos[1] = 2*(j_block%2) + j/2 + 0.5;
pos[2] = crd + k;
array[vblock::padIndex<PAD>(i+PAD,j+PAD,k_trgt+k)] = vblock::interp_xy<vblock::interpmethod::NGP>(pos,ptr);
}
} else if (refLevelDiff == 0) { // nbr at same level, simple data copy
if (nbrIDs[0] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[0]*WID3;
uint32_t k_src = 0;
if (k_nbr_off < 0) k_src = WID-PAD;
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
array[vblock::padIndex<PAD>(i+PAD,j+PAD,k_trgt+k)] = ptr[vblock::index(i,j,k_src+k)];
}
} else if (refLevelDiff == +1) { // nbr one level more refined, interpolate from four neighbors
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
int index = (j/2)*2 + i/2;
if (nbrIDs[index] == invalid_local_id()) ptr = null_block_data.data();
else ptr = src + nbrIDs[index]*WID3;
pos[0] = 2*(i%2) + 1;
pos[1] = 2*(j%2) + 1;
pos[2] = crd + k;
array[vblock::padIndex<PAD>(i+PAD,j+PAD,k_trgt+k)] = vblock::interp_xy<vblock::interpmethod::CIC>(pos,ptr);
}
}
} else { // Neighbor does not exist, return zero values
for (uint32_t k=0; k<PAD; ++k) for (uint32_t j=0; j<WID; ++j) for (uint32_t i=0; i<WID; ++i) {
array[vblock::padIndex<PAD>(i+PAD,j+PAD,k_trgt+k)] = 0.0;
}
}
}
}
inline vmesh::GlobalID SpatialCell::find_velocity_block(uint8_t& refLevel,vmesh::GlobalID cellIndices[3],const uint popID) {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].vmesh.findBlock(refLevel,cellIndices);
}
inline Realf* SpatialCell::get_data(const uint popID) {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.getData();
}
inline const Realf* SpatialCell::get_data(const uint popID) const {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.getData();
}
inline Realf* SpatialCell::get_data(const vmesh::LocalID& blockLID,const uint popID) {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
if (blockLID >= populations[popID].blockContainer.size()) {
std::cerr << "ERROR, block LID out of bounds, blockContainer.size() " << populations[popID].blockContainer.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
if (blockLID == vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>::invalidLocalID()) return null_block_data.data();
return populations[popID].blockContainer.getData(blockLID);
}
inline const Realf* SpatialCell::get_data(const vmesh::LocalID& blockLID,const uint popID) const {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
if (blockLID >= populations[popID].blockContainer.size()) {
std::cerr << "ERROR, block LID out of bounds, blockContainer.size() " << populations[popID].blockContainer.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
if (blockLID == vmesh::VelocityMesh<vmesh::GlobalID,vmesh::LocalID>::invalidLocalID()) return null_block_data.data();
return populations[popID].blockContainer.getData(blockLID);
}
inline Real* SpatialCell::get_block_parameters(const uint popID) {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.getParameters();
}
inline const Real* SpatialCell::get_block_parameters(const uint popID) const {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.getParameters();
}
inline Real* SpatialCell::get_block_parameters(const vmesh::LocalID& blockLID,const uint popID) {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
if (blockLID >= populations[popID].blockContainer.size()) {
std::cerr << "ERROR, block LID out of bounds, blockContainer.size() " << populations[popID].blockContainer.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.getParameters(blockLID);
}
inline const Real* SpatialCell::get_block_parameters(const vmesh::LocalID& blockLID,const uint popID) const {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
if (blockLID >= populations[popID].blockContainer.size()) {
std::cerr << "ERROR, block LID out of bounds, blockContainer.size() " << populations[popID].blockContainer.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.getParameters(blockLID);
}
inline Real* SpatialCell::get_cell_parameters() {
return parameters.data();
}
inline const Real* SpatialCell::get_cell_parameters() const {
return parameters.data();
}
inline uint8_t SpatialCell::get_maximum_refinement_level(const uint popID) {
return populations[popID].vmesh.getMaxAllowedRefinementLevel();
}
inline vmesh::LocalID SpatialCell::get_number_of_velocity_blocks(const uint popID) const {
#ifdef DEBUG_SPATIAL_CELL
if (popID >= populations.size()) {
std::cerr << "ERROR, popID " << popID << " exceeds populations.size() " << populations.size() << " in ";
std::cerr << __FILE__ << ":" << __LINE__ << std::endl;
exit(1);
}
#endif
return populations[popID].blockContainer.size();
}
/** Get the total number of velocity blocks in this cell, summed over
* all existing particle populations.
* @return Total number of velocity blocks in the cell.*/
inline vmesh::LocalID SpatialCell::get_number_of_all_velocity_blocks() const {
vmesh::LocalID N_blocks = 0;
for (size_t p=0; p<populations.size(); ++p)
N_blocks += populations[p].blockContainer.size();
return N_blocks;
}
inline int SpatialCell::get_number_of_populations() const {
return populations.size();
}
inline Population & SpatialCell::get_population(const uint popID) {
return populations[popID];
}
inline const Population & SpatialCell::get_population(const uint popID) const {
return populations[popID];
}
inline void SpatialCell::set_population(const Population& pop, cuint popID) {
this->populations[popID] = pop;
}
inline const vmesh::LocalID* SpatialCell::get_velocity_grid_length(const uint popID,const uint8_t& refLevel) {
return populations[popID].vmesh.getGridLength(refLevel);
}
inline const Real* SpatialCell::get_velocity_grid_block_size(const uint popID,const uint8_t& refLevel) {
return populations[popID].vmesh.getBlockSize(refLevel);
}
inline const Real* SpatialCell::get_velocity_grid_cell_size(const uint popID,const uint8_t& refLevel) {
return populations[popID].vmesh.getCellSize(refLevel);
}
inline void SpatialCell::get_velocity_block_coordinates(const uint popID,const vmesh::GlobalID& globalID,Real* coords) {
populations[popID].vmesh.getBlockCoordinates(globalID,coords);
}
/*!
Returns the indices of given velocity block
*/
inline velocity_block_indices_t SpatialCell::get_velocity_block_indices(const uint popID,const vmesh::GlobalID block) {
velocity_block_indices_t indices;
uint8_t refLevel;
populations[popID].vmesh.getIndices(block,refLevel,indices[0],indices[1],indices[2]);
return indices;
}
inline velocity_block_indices_t SpatialCell::get_velocity_block_indices(const uint popID,const vmesh::GlobalID block,uint8_t& refLevel) {
velocity_block_indices_t indices;
populations[popID].vmesh.getIndices(block,refLevel,indices[0],indices[1],indices[2]);
return indices;
}
/*!
Returns the velocity block at given indices or error_velocity_block
*/
inline vmesh::GlobalID SpatialCell::get_velocity_block(const uint popID,const velocity_block_indices_t indices,const uint8_t& refLevel) const {
return populations[popID].vmesh.getGlobalID(refLevel,indices[0],indices[1],indices[2]);
}
inline vmesh::GlobalID SpatialCell::get_velocity_block(const uint popID,vmesh::GlobalID blockIndices[3],const uint8_t& refLevel) const {
return populations[popID].vmesh.getGlobalID(refLevel,blockIndices[0],blockIndices[1],blockIndices[2]);
}
/*!
Returns the velocity block at given location or
error_velocity_block if outside of the velocity grid
*/
inline vmesh::GlobalID SpatialCell::get_velocity_block(const uint popID,const Real vx,const Real vy,const Real vz,const uint8_t& refLevel) const {
Real coords[3] = {vx,vy,vz};
return populations[popID].vmesh.getGlobalID(refLevel,coords);
}
inline vmesh::GlobalID SpatialCell::get_velocity_block(const uint popID,const Real* coords,const uint8_t& refLevel) const {
return populations[popID].vmesh.getGlobalID(refLevel,coords);
}
inline vmesh::GlobalID SpatialCell::get_velocity_block_child(const uint popID,const vmesh::GlobalID& blockGID,const uint8_t& refLevel,
const int& i_cell,const int& j_cell,const int& k_cell) {
uint8_t ref = refLevel;
vmesh::LocalID i_child,j_child,k_child;
i_child = 2*i_child + i_cell/2;
j_child = 2*j_child + j_cell/2;
k_child = 2*k_child + k_cell/2;
while (ref != populations[popID].vmesh.getMaxAllowedRefinementLevel()) {
vmesh::LocalID i_child,j_child,k_child;
populations[popID].vmesh.getIndices(blockGID,ref,i_child,j_child,k_child);
return populations[popID].vmesh.getGlobalID(refLevel+1,i_child,j_child,k_child);
}
return populations[popID].vmesh.invalidGlobalID();
}