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#include <AMReX.H>
#include <AMReX_BLProfiler.H>
#include <WarpXWrappers.h>
#include <WarpX.H>
namespace
{
double** getMultiFabPointers(const amrex::MultiFab& mf, int *num_boxes, int *ngrow, int **shapes)
{
*ngrow = mf.nGrow();
*num_boxes = mf.local_size();
*shapes = (int*) malloc(BL_SPACEDIM * (*num_boxes) * sizeof(int));
double** data = (double**) malloc((*num_boxes) * sizeof(double*));
int i = 0;
for ( amrex::MFIter mfi(mf, false); mfi.isValid(); ++mfi, ++i ) {
data[i] = (double*) mf[mfi].dataPtr();
for (int j = 0; j < BL_SPACEDIM; ++j) {
(*shapes)[BL_SPACEDIM*i+j] = mf[mfi].box().length(j);
}
}
return data;
}
}
extern "C"
{
void amrex_init (int argc, char* argv[])
{
amrex::Initialize(argc,argv);
}
#ifdef BL_USE_MPI
void amrex_init_with_inited_mpi (int argc, char* argv[], MPI_Comm mpicomm)
{
amrex::Initialize(argc,argv,true,mpicomm);
}
#endif
void amrex_finalize (int finalize_mpi)
{
amrex::Finalize(finalize_mpi);
}
void warpx_init ()
{
WarpX& warpx = WarpX::GetInstance();
warpx.InitData();
}
void warpx_finalize ()
{
WarpX::ResetInstance();
}
void warpx_evolve (int numsteps)
{
WarpX& warpx = WarpX::GetInstance();
warpx.Evolve(numsteps);
}
void warpx_addNParticles(int speciesnumber, int lenx,
double* x, double* y, double* z,
double* vx, double* vy, double* vz,
int nattr, double* attr, int uniqueparticles)
{
auto & mypc = WarpX::GetInstance().GetPartContainer();
auto & myspc = mypc.GetParticleContainer(speciesnumber);
myspc.AddNParticles(lenx, x, y, z, vx, vy, vz, nattr, attr, uniqueparticles);
}
double warpx_getProbLo(int dir)
{
WarpX& warpx = WarpX::GetInstance();
const amrex::Geometry& geom = warpx.Geom(0);
return geom.ProbLo(dir);
}
double warpx_getProbHi(int dir)
{
WarpX& warpx = WarpX::GetInstance();
const amrex::Geometry& geom = warpx.Geom(0);
return geom.ProbHi(dir);
}
long warpx_getNumParticles(int speciesnumber) {
auto & mypc = WarpX::GetInstance().GetPartContainer();
auto & myspc = mypc.GetParticleContainer(speciesnumber);
return myspc.TotalNumberOfParticles();
}
double** warpx_getEfield(int lev, int direction,
int *return_size, int *ngrow, int **shapes) {
auto & mf = WarpX::GetInstance().getEfield(lev, direction);
return getMultiFabPointers(mf, return_size, ngrow, shapes);
}
double** warpx_getBfield(int lev, int direction,
int *return_size, int *ngrow, int **shapes) {
auto & mf = WarpX::GetInstance().getBfield(lev, direction);
return getMultiFabPointers(mf, return_size, ngrow, shapes);
}
double** warpx_getCurrentDensity(int lev, int direction,
int *return_size, int *ngrow, int **shapes) {
auto & mf = WarpX::GetInstance().getcurrent(lev, direction);
return getMultiFabPointers(mf, return_size, ngrow, shapes);
}
double** warpx_getParticleStructs(int speciesnumber,
int* num_tiles, int** particles_per_tile) {
auto & mypc = WarpX::GetInstance().GetPartContainer();
auto & myspc = mypc.GetParticleContainer(speciesnumber);
const int level = 0;
*num_tiles = myspc.numLocalTilesAtLevel(level);
*particles_per_tile = (int*) malloc(*num_tiles*sizeof(int));
double** data = (double**) malloc(*num_tiles*sizeof(typename WarpXParticleContainer::ParticleType*));
int i = 0;
for (WarpXParIter pti(myspc, level); pti.isValid(); ++pti, ++i) {
auto& aos = pti.GetArrayOfStructs();
data[i] = (double*) aos.data();
(*particles_per_tile)[i] = pti.numParticles();
}
return data;
}
double** warpx_getParticleArrays(int speciesnumber, int comp,
int* num_tiles, int** particles_per_tile) {
auto & mypc = WarpX::GetInstance().GetPartContainer();
auto & myspc = mypc.GetParticleContainer(speciesnumber);
const int level = 0;
*num_tiles = myspc.numLocalTilesAtLevel(level);
*particles_per_tile = (int*) malloc(*num_tiles*sizeof(int));
double** data = (double**) malloc(*num_tiles*sizeof(double*));
int i = 0;
for (WarpXParIter pti(myspc, level); pti.isValid(); ++pti, ++i) {
auto& soa = pti.GetStructOfArrays();
data[i] = (double*) soa[comp].dataPtr();
(*particles_per_tile)[i] = pti.numParticles();
}
return data;
}
}
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