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output.hpp
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output.hpp
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//////////////////////////
// output.hpp
//////////////////////////
//
// Output of snapshots, light cones and spectra
//
// Author: Julian Adamek (Université de Genève & Observatoire de Paris & Queen Mary University of London)
//
// Last modified: November 2019
//
//////////////////////////
#ifndef OUTPUT_HEADER
#define OUTPUT_HEADER
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
using namespace std;
//////////////////////////
// writeSnapshots
//////////////////////////
// Description:
// output of snapshots
//
// Arguments:
// sim simulation metadata structure
// cosmo cosmological parameter structure
// fourpiG 4 pi G (in code units)
// a scale factor
// snapcount snapshot index
// h5filename base name for HDF5 output file
// pcls_cdm pointer to particle handler for CDM
// pcls_b pointer to particle handler for baryons
// pcls_ncdm array of particle handlers for
// non-cold DM (may be set to NULL)
// phi pointer to allocated field
// chi pointer to allocated field
// Bi pointer to allocated field
// source pointer to allocated field
// Sij pointer to allocated field
// scalarFT pointer to allocated field
// BiFT pointer to allocated field
// SijFT pointer to allocated field
// plan_phi pointer to FFT planner
// plan_chi pointer to FFT planner
// plan_Bi pointer to FFT planner
// plan_source pointer to FFT planner
// plan_Sij pointer to FFT planner
// Bi_check pointer to allocated field
// BiFT_check pointer to allocated field
// plan_Bi_check pointer to FFT planner
// vi pointer to allocated field
//
// Returns:
//
//////////////////////////
void writeSnapshots(metadata & sim, cosmology & cosmo, const double fourpiG, const double a, const double dtau_old, const int done_hij, const int snapcount, string h5filename, Particles_gevolution<part_simple,part_simple_info,part_simple_dataType> * pcls_cdm, Particles_gevolution<part_simple,part_simple_info,part_simple_dataType> * pcls_b, Particles_gevolution<part_simple,part_simple_info,part_simple_dataType> * pcls_ncdm, Field<Real> * phi, Field<Real> * chi, Field<Real> * Bi, Field<Real> * source, Field<Real> * Sij, Field<Cplx> * scalarFT, Field<Cplx> * BiFT, Field<Cplx> * SijFT, PlanFFT<Cplx> * plan_phi, PlanFFT<Cplx> * plan_chi, PlanFFT<Cplx> * plan_Bi, PlanFFT<Cplx> * plan_source, PlanFFT<Cplx> * plan_Sij
#ifdef CHECK_B
, Field<Real> * Bi_check, Field<Cplx> * BiFT_check, PlanFFT<Cplx> * plan_Bi_check
#endif
#ifdef VELOCITY
, Field<Real> * vi
#endif
)
{
char filename[2*PARAM_MAX_LENGTH+24];
char buffer[64];
int i;
gadget2_header hdr;
Site x(phi->lattice());
Real divB, curlB, divh, traceh, normh;
double dtau_pos = 0.;
sprintf(filename, "%03d", snapcount);
#ifdef EXTERNAL_IO
while (ioserver.openOstream()== OSTREAM_FAIL);
if (sim.out_snapshot & MASK_PCLS)
{
pcls_cdm->saveHDF5_server_open(h5filename + filename + "_cdm");
if (sim.baryon_flag)
pcls_b->saveHDF5_server_open(h5filename + filename + "_b");
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
sprintf(buffer, "_ncdm%d", i);
pcls_ncdm[i].saveHDF5_server_open(h5filename + filename + buffer);
}
}
if (sim.out_snapshot & MASK_T00)
source->saveHDF5_server_open(h5filename + filename + "_T00");
#ifdef VELOCITY
if (sim.out_snapshot & MASK_VEL)
vi->saveHDF5_server_open(h5filename + filename + "_v");
#endif
if (sim.out_snapshot & MASK_B)
Bi->saveHDF5_server_open(h5filename + filename + "_B");
if (sim.out_snapshot & MASK_PHI)
phi->saveHDF5_server_open(h5filename + filename + "_phi");
if (sim.out_snapshot & MASK_CHI)
chi->saveHDF5_server_open(h5filename + filename + "_chi");
if (sim.out_snapshot & MASK_HIJ)
Sij->saveHDF5_server_open(h5filename + filename + "_hij");
#ifdef CHECK_B
if (sim.out_snapshot & MASK_B)
Bi_check->saveHDF5_server_open(h5filename + filename + "_B_check");
#endif
#endif
if (sim.out_snapshot & MASK_RBARE || sim.out_snapshot & MASK_POT)
{
projection_init(source);
scalarProjectionCIC_project(pcls_cdm, source);
if (sim.baryon_flag)
scalarProjectionCIC_project(pcls_b, source);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
scalarProjectionCIC_project(pcls_ncdm+i, source);
}
scalarProjectionCIC_comm(source);
}
if (sim.out_snapshot & MASK_RBARE)
{
if (sim.downgrade_factor > 1)
source->saveHDF5_coarseGrain3D(h5filename + filename + "_rhoN.h5", sim.downgrade_factor);
else
source->saveHDF5(h5filename + filename + "_rhoN.h5");
}
if (sim.out_snapshot & MASK_POT)
{
plan_source->execute(FFT_FORWARD);
solveModifiedPoissonFT(*scalarFT, *scalarFT, fourpiG / a);
plan_source->execute(FFT_BACKWARD);
if (sim.downgrade_factor > 1)
source->saveHDF5_coarseGrain3D(h5filename + filename + "_psiN.h5", sim.downgrade_factor);
else
source->saveHDF5(h5filename + filename + "_psiN.h5");
}
if (sim.out_snapshot & MASK_T00)
{
projection_init(source);
if (sim.gr_flag > 0)
{
projection_T00_project(pcls_cdm, source, a, phi);
if (sim.baryon_flag)
projection_T00_project(pcls_b, source, a, phi);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
projection_T00_project(pcls_ncdm+i, source, a, phi);
}
}
else
{
scalarProjectionCIC_project(pcls_cdm, source);
if (sim.baryon_flag)
scalarProjectionCIC_project(pcls_b, source);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
scalarProjectionCIC_project(pcls_ncdm+i, source);
}
}
projection_T00_comm(source);
#ifdef EXTERNAL_IO
source->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
source->saveHDF5_coarseGrain3D(h5filename + filename + "_T00.h5", sim.downgrade_factor);
else
source->saveHDF5(h5filename + filename + "_T00.h5");
#endif
}
#ifdef VELOCITY
if (sim.out_snapshot & MASK_VEL)
{
#ifdef EXTERNAL_IO
vi->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
vi->saveHDF5_coarseGrain3D(h5filename + filename + "_v.h5", sim.downgrade_factor);
else
vi->saveHDF5(h5filename + filename + "_v.h5");
#endif
}
#endif
if (sim.out_snapshot & MASK_B)
{
if (sim.gr_flag == 0)
{
plan_Bi->execute(FFT_BACKWARD);
}
for (x.first(); x.test(); x.next())
{
(*Bi)(x,0) /= a * a * sim.numpts;
(*Bi)(x,1) /= a * a * sim.numpts;
(*Bi)(x,2) /= a * a * sim.numpts;
}
Bi->updateHalo();
computeVectorDiagnostics(*Bi, divB, curlB);
COUT << " B diagnostics: max |divB| = " << divB << ", max |curlB| = " << curlB << endl;
#ifdef EXTERNAL_IO
Bi->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
Bi->saveHDF5_coarseGrain3D(h5filename + filename + "_B.h5", sim.downgrade_factor);
else
Bi->saveHDF5(h5filename + filename + "_B.h5");
#endif
if (sim.gr_flag > 0)
{
plan_Bi->execute(FFT_BACKWARD);
Bi->updateHalo();
}
}
if (sim.out_snapshot & MASK_PHI)
#ifdef EXTERNAL_IO
phi->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
phi->saveHDF5_coarseGrain3D(h5filename + filename + "_phi.h5", sim.downgrade_factor);
else
phi->saveHDF5(h5filename + filename + "_phi.h5");
#endif
if (sim.out_snapshot & MASK_CHI)
#ifdef EXTERNAL_IO
chi->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
chi->saveHDF5_coarseGrain3D(h5filename + filename + "_chi.h5", sim.downgrade_factor);
else
chi->saveHDF5(h5filename + filename + "_chi.h5");
#endif
if (sim.out_snapshot & MASK_HIJ)
{
if (done_hij == 0)
{
projectFTtensor(*SijFT, *SijFT);
plan_Sij->execute(FFT_BACKWARD);
Sij->updateHalo();
}
computeTensorDiagnostics(*Sij, divh, traceh, normh);
COUT << " GW diagnostics: max |divh| = " << divh << ", max |traceh| = " << traceh << ", max |h| = " << normh << endl;
#ifdef EXTERNAL_IO
Sij->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
Sij->saveHDF5_coarseGrain3D(h5filename + filename + "_hij.h5", sim.downgrade_factor);
else
Sij->saveHDF5(h5filename + filename + "_hij.h5");
#endif
}
if (sim.out_snapshot & MASK_TIJ)
{
projection_init(Sij);
projection_Tij_project(pcls_cdm, Sij, a, phi);
if (sim.baryon_flag)
projection_Tij_project(pcls_b, Sij, a, phi);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
projection_Tij_project(pcls_ncdm+i, Sij, a, phi);
}
projection_Tij_comm(Sij);
if (sim.downgrade_factor > 1)
Sij->saveHDF5_coarseGrain3D(h5filename + filename + "_Tij.h5", sim.downgrade_factor);
else
Sij->saveHDF5(h5filename + filename + "_Tij.h5");
}
if (sim.out_snapshot & MASK_P)
{
projection_init(Bi);
projection_T0i_project(pcls_cdm, Bi, phi);
if (sim.baryon_flag)
projection_T0i_project(pcls_b, Bi, phi);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
projection_T0i_project(pcls_ncdm+i, Bi, phi);
}
projection_T0i_comm(Bi);
if (sim.downgrade_factor > 1)
Bi->saveHDF5_coarseGrain3D(h5filename + filename + "_p.h5", sim.downgrade_factor);
else
Bi->saveHDF5(h5filename + filename + "_p.h5");
if (sim.gr_flag > 0)
{
plan_Bi->execute(FFT_BACKWARD);
Bi->updateHalo();
}
}
#ifdef CHECK_B
if (sim.out_snapshot & MASK_B)
{
if (sim.vector_flag == VECTOR_PARABOLIC)
{
projection_init(Bi_check);
projection_T0i_project(pcls_cdm, Bi_check, phi);
if (sim.baryon_flag)
projection_T0i_project(pcls_b, Bi_check, phi);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
projection_T0i_project(pcls_ncdm+i, Bi_check, phi);
}
projection_T0i_comm(Bi_check);
plan_Bi_check->execute(FFT_FORWARD);
projectFTvector(*BiFT_check, *BiFT_check, fourpiG / (double) sim.numpts / (double) sim.numpts);
}
plan_Bi_check->execute(FFT_BACKWARD);
for (x.first(); x.test(); x.next())
{
(*Bi_check)(x,0) /= a * a * sim.numpts;
(*Bi_check)(x,1) /= a * a * sim.numpts;
(*Bi_check)(x,2) /= a * a * sim.numpts;
}
#ifdef EXTERNAL_IO
Bi_check->saveHDF5_server_write(NUMBER_OF_IO_FILES);
#else
if (sim.downgrade_factor > 1)
Bi_check->saveHDF5_coarseGrain3D(h5filename + filename + "_B_check.h5", sim.downgrade_factor);
else
Bi_check->saveHDF5(h5filename + filename + "_B_check.h5");
#endif
}
#endif
if (sim.out_snapshot & MASK_GADGET)
{
if (sim.out_snapshot & MASK_MULTI)
hdr.num_files = parallel.grid_size()[1];
else
hdr.num_files = 1;
hdr.Omega0 = cosmo.Omega_m;
hdr.OmegaLambda = cosmo.Omega_Lambda;
hdr.HubbleParam = cosmo.h;
hdr.BoxSize = sim.boxsize / GADGET_LENGTH_CONVERSION;
hdr.flag_sfr = 0;
hdr.flag_cooling = 0;
hdr.flag_feedback = 0;
hdr.flag_age = 0;
hdr.flag_metals = 0;
for (i = 0; i < 256 - 6 * 4 - 6 * 8 - 2 * 8 - 2 * 4 - 6 * 4 - 2 * 4 - 4 * 8 - 2 * 4 - 6 * 4; i++)
hdr.fill[i] = 0;
for (i = 0; i < 6; i++)
{
hdr.npart[i] = 0;
hdr.npartTotal[i] = 0;
hdr.npartTotalHW[i] = 0;
hdr.mass[i] = 0.;
}
#ifdef EXACT_OUTPUT_REDSHIFTS
hdr.time = 1. / (sim.z_snapshot[snapcount] + 1.);
hdr.redshift = sim.z_snapshot[snapcount];
dtau_pos = (hdr.time - a) / a / Hconf(a, fourpiG, cosmo);
#else
hdr.time = a;
hdr.redshift = (1./a) - 1.;
#endif
if (sim.tracer_factor[0] > 0)
{
hdr.npart[1] = (uint32_t) (((sim.numpcl[0] % sim.tracer_factor[0]) ? (1 + (sim.numpcl[0] / sim.tracer_factor[0])) : (sim.numpcl[0] / sim.tracer_factor[0])) % (1ll << 32));
hdr.npartTotal[1] = hdr.npart[1];
hdr.npartTotalHW[1] = (uint32_t) (((sim.numpcl[0] % sim.tracer_factor[0]) ? (1 + (sim.numpcl[0] / sim.tracer_factor[0])) : (sim.numpcl[0] / sim.tracer_factor[0])) / (1ll << 32));
if (sim.baryon_flag)
hdr.mass[1] = (double) sim.tracer_factor[0] * C_RHO_CRIT * cosmo.Omega_cdm * sim.boxsize * sim.boxsize * sim.boxsize / sim.numpcl[0] / GADGET_MASS_CONVERSION;
else
hdr.mass[1] = (double) sim.tracer_factor[0] * C_RHO_CRIT * (cosmo.Omega_cdm + cosmo.Omega_b) * sim.boxsize * sim.boxsize * sim.boxsize / sim.numpcl[0] / GADGET_MASS_CONVERSION;
if (hdr.npartTotalHW[1] != 0 && hdr.num_files == 1)
{
COUT << COLORTEXT_YELLOW << " /!\\ warning" << COLORTEXT_RESET << ": number of particles (" << (sim.numpcl[0] / sim.tracer_factor[0]) << ") in Gadget2 file exceeds limit (4294967295). Try using multi-Gadget2 output format." << endl;
}
else
pcls_cdm->saveGadget2(h5filename + filename + "_cdm", hdr, sim.tracer_factor[0], dtau_pos, dtau_pos + 0.5 * dtau_old, phi);
}
if (sim.baryon_flag && sim.tracer_factor[1] > 0)
{
hdr.npart[1] = (uint32_t) (((sim.numpcl[1] % sim.tracer_factor[1]) ? (1 + (sim.numpcl[1] / sim.tracer_factor[1])) : (sim.numpcl[1] / sim.tracer_factor[1])) % (1ll << 32));
hdr.npartTotal[1] = hdr.npart[1];
hdr.npartTotalHW[1] = (uint32_t) (((sim.numpcl[1] % sim.tracer_factor[1]) ? (1 + (sim.numpcl[1] / sim.tracer_factor[1])) : (sim.numpcl[1] / sim.tracer_factor[1])) / (1ll << 32));
hdr.mass[1] = (double) sim.tracer_factor[1] * C_RHO_CRIT * cosmo.Omega_b * sim.boxsize * sim.boxsize * sim.boxsize / sim.numpcl[1] / GADGET_MASS_CONVERSION;
if (hdr.npartTotalHW[1] != 0 && hdr.num_files == 1)
{
COUT << COLORTEXT_YELLOW << " /!\\ warning" << COLORTEXT_RESET << ": number of particles (" << (sim.numpcl[1] / sim.tracer_factor[1]) << ") in Gadget2 file exceeds limit (4294967295). Try using multi-Gadget2 output format." << endl;
}
else
pcls_b->saveGadget2(h5filename + filename + "_b", hdr, sim.tracer_factor[1], dtau_pos, dtau_pos + 0.5 * dtau_old, phi);
}
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0 || sim.tracer_factor[i+1+sim.baryon_flag] == 0) continue;
sprintf(buffer, "_ncdm%d", i);
hdr.npart[1] = (uint32_t) (((sim.numpcl[i+1+sim.baryon_flag] % sim.tracer_factor[i+1+sim.baryon_flag]) ? (1 + (sim.numpcl[i+1+sim.baryon_flag] / sim.tracer_factor[i+1+sim.baryon_flag])) : (sim.numpcl[i+1+sim.baryon_flag] / sim.tracer_factor[i+1+sim.baryon_flag])) % (1ll << 32));
hdr.npartTotal[1] = hdr.npart[1];
hdr.npartTotalHW[1] = (uint32_t) (((sim.numpcl[i+1+sim.baryon_flag] % sim.tracer_factor[i+1+sim.baryon_flag]) ? (1 + (sim.numpcl[i+1+sim.baryon_flag] / sim.tracer_factor[i+1+sim.baryon_flag])) : (sim.numpcl[i+1+sim.baryon_flag] / sim.tracer_factor[i+1+sim.baryon_flag])) / (1ll << 32));
hdr.mass[1] = (double) sim.tracer_factor[i+1+sim.baryon_flag] * C_RHO_CRIT * cosmo.Omega_ncdm[i] * sim.boxsize * sim.boxsize * sim.boxsize / sim.numpcl[i+1+sim.baryon_flag] / GADGET_MASS_CONVERSION;
if (hdr.npartTotalHW[1] != 0 && hdr.num_files == 1)
{
COUT << COLORTEXT_YELLOW << " /!\\ warning" << COLORTEXT_RESET << ": number of particles (" << (sim.numpcl[i+1+sim.baryon_flag] / sim.tracer_factor[i+1+sim.baryon_flag]) << ") in Gadget2 file exceeds limit (4294967295). Try using multi-Gadget2 output format." << endl;
}
else
pcls_ncdm[i].saveGadget2(h5filename + filename + buffer, hdr, sim.tracer_factor[i+1+sim.baryon_flag], dtau_pos, dtau_pos + 0.5 * dtau_old, phi);
}
}
if (sim.out_snapshot & MASK_PCLS)
{
#ifdef EXTERNAL_IO
pcls_cdm->saveHDF5_server_write();
if (sim.baryon_flag)
pcls_b->saveHDF5_server_write();
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
pcls_ncdm[i].saveHDF5_server_write();
}
#else
pcls_cdm->saveHDF5(h5filename + filename + "_cdm", 1);
if (sim.baryon_flag)
pcls_b->saveHDF5(h5filename + filename + "_b", 1);
for (i = 0; i < cosmo.num_ncdm; i++)
{
if (sim.numpcl[1+sim.baryon_flag+i] == 0) continue;
sprintf(buffer, "_ncdm%d", i);
pcls_ncdm[i].saveHDF5(h5filename + filename + buffer, 1);
}
#endif
}
#ifdef EXTERNAL_IO
ioserver.closeOstream();
#endif
}
//////////////////////////
// writeLightcones
//////////////////////////
// Description:
// output of light cones
//
// Arguments:
// sim simulation metadata structure
// cosmo cosmological parameter structure
// fourpiG 4 pi G (in code units)
// a scale factor
// tau conformal time
// dtau conformal time step
// dtau_old conformal time step of previous cycle
// maxvel maximum cdm velocity
// cycle current simulation cycle
// h5filename base name for HDF5 output file
// pcls_cdm pointer to particle handler for CDM
// pcls_b pointer to particle handler for baryons
// pcls_ncdm array of particle handlers for
// non-cold DM (may be set to NULL)
// phi pointer to allocated field
// chi pointer to allocated field
// Bi pointer to allocated field
// Sij pointer to allocated field
// BiFT pointer to allocated field
// SijFT pointer to allocated field
// plan_Bi pointer to FFT planner
// plan_Sij pointer to FFT planner
// done_hij reference to tensor projection flag
// IDbacklog IDs of particles written in previous cycle
//
// Returns:
//
//////////////////////////
void writeLightcones(metadata & sim, cosmology & cosmo, const double fourpiG, const double a, const double tau, const double dtau, const double dtau_old, const double maxvel, const int cycle, string h5filename, Particles_gevolution<part_simple,part_simple_info,part_simple_dataType> * pcls_cdm, Particles_gevolution<part_simple,part_simple_info,part_simple_dataType> * pcls_b, Particles_gevolution<part_simple,part_simple_info,part_simple_dataType> * pcls_ncdm, Field<Real> * phi, Field<Real> * chi, Field<Real> * Bi, Field<Real> * Sij, Field<Cplx> * BiFT, Field<Cplx> * SijFT, PlanFFT<Cplx> * plan_Bi, PlanFFT<Cplx> * plan_Sij, int & done_hij, set<long> * IDbacklog)
{
int i, j, n, p;
double d;
double vertex[MAX_INTERSECTS][3];
double domain[6];
double pos[3];
double s[2];
char filename[2*PARAM_MAX_LENGTH+24];
char buffer[268];
FILE * outfile;
gadget2_header hdr;
set<long> IDprelog[MAX_PCL_SPECIES];
long * IDcombuf;
long * IDcombuf2;
Site xsim;
int done_B = 0;
#ifdef HAVE_HEALPIX
int64_t pix, pix2, q;
vector<int> pixbatch_id;
vector<int> sender_proc;
vector<int> pixbatch_size[3];
vector<int> pixbatch_delim[3];
int pixbatch_type;
int commdir[2];
Real * pixbuf[LIGHTCONE_MAX_FIELDS][9];
Real * commbuf;
int pixbuf_size[9];
int pixbuf_reserve[9];
int64_t bytes, bytes2, offset2;
vector<MPI_Offset> offset;
char ** outbuf = new char*[LIGHTCONE_MAX_FIELDS];
healpix_header maphdr;
double R[3][3];
double w[3];
double temp;
int base_pos[3];
int shell, shell_inner, shell_outer, shell_write;
uint32_t blocksize;
MPI_File mapfile;
MPI_Status status;
MPI_Datatype patch;
int io_group_size;
long pixcount = 0;
for (j = 0; j < 9*LIGHTCONE_MAX_FIELDS; j++)
pixbuf[j/9][j%9] = NULL;
for (j = 0; j < LIGHTCONE_MAX_FIELDS; j++)
outbuf[j] = NULL;
#endif
done_hij = 0;
domain[0] = -0.5;
domain[1] = phi->lattice().coordSkip()[1] - 0.5;
domain[2] = phi->lattice().coordSkip()[0] - 0.5;
for (i = 0; i < 3; i++)
domain[i+3] = domain[i] + phi->lattice().sizeLocal(i) + 1.;
for (i = 0; i < 6; i++)
domain[i] /= (double) sim.numpts;
for (i = 0; i < sim.num_lightcone; i++)
{
if (parallel.isRoot())
{
if (sim.num_lightcone > 1)
sprintf(filename, "%s%s%d_info.dat", sim.output_path, sim.basename_lightcone, i);
else
sprintf(filename, "%s%s_info.dat", sim.output_path, sim.basename_lightcone);
outfile = fopen(filename, "a");
if (outfile == NULL)
{
cout << " error opening file for lightcone info!" << endl;
}
else if (cycle == 0)
{
if (sim.num_lightcone > 1)
fprintf(outfile, "# information file for lightcone %d\n# geometric parameters:\n# vertex = (%f, %f, %f) Mpc/h\n# redshift = %f\n# distance = (%f - %f) Mpc/h\n# opening half-angle = %f degrees\n# direction = (%f, %f, %f)\n# cycle tau/boxsize a pcl_inner pcl_outer metric_inner metric_outer\n", i, sim.lightcone[i].vertex[0]*sim.boxsize, sim.lightcone[i].vertex[1]*sim.boxsize, sim.lightcone[i].vertex[2]*sim.boxsize, sim.lightcone[i].z, sim.lightcone[i].distance[0]*sim.boxsize, sim.lightcone[i].distance[1]*sim.boxsize, (sim.lightcone[i].opening > -1.) ? acos(sim.lightcone[i].opening) * 180. / M_PI : 180., sim.lightcone[i].direction[0], sim.lightcone[i].direction[1], sim.lightcone[i].direction[2]);
else
fprintf(outfile, "# information file for lightcone\n# geometric parameters:\n# vertex = (%f, %f, %f) Mpc/h\n# redshift = %f\n# distance = (%f - %f) Mpc/h\n# opening half-angle = %f degrees\n# direction = (%f, %f, %f)\n# cycle tau/boxsize a pcl_inner pcl_outer metric_inner metric_outer\n", sim.lightcone[i].vertex[0]*sim.boxsize, sim.lightcone[i].vertex[1]*sim.boxsize, sim.lightcone[i].vertex[2]*sim.boxsize, sim.lightcone[i].z, sim.lightcone[i].distance[0]*sim.boxsize, sim.lightcone[i].distance[1]*sim.boxsize, (sim.lightcone[i].opening > -1.) ? acos(sim.lightcone[i].opening) * 180. / M_PI : 180., sim.lightcone[i].direction[0], sim.lightcone[i].direction[1], sim.lightcone[i].direction[2]);
}
}
d = particleHorizon(1. / (1. + sim.lightcone[i].z), fourpiG, cosmo);
s[0] = d - tau - 0.5 * sim.covering[i] * dtau;
s[1] = d - tau + 0.5 * sim.covering[i] * dtau_old;
#ifdef HAVE_HEALPIX
shell_inner = (s[0] > sim.lightcone[i].distance[1]) ? ceil(s[0] * sim.numpts * sim.shellfactor[i]) : ceil(sim.lightcone[i].distance[1] * sim.numpts * sim.shellfactor[i]);
shell_outer = (sim.lightcone[i].distance[0] > s[1]) ? floor(s[1] * sim.numpts * sim.shellfactor[i]) : (ceil(sim.lightcone[i].distance[0] * sim.numpts * sim.shellfactor[i])-1);
if (shell_outer < shell_inner && s[1] > 0) shell_outer = shell_inner;
maphdr.precision = sizeof(Real);
maphdr.Ngrid = sim.numpts;
maphdr.direction[0] = sim.lightcone[i].direction[0];
maphdr.direction[1] = sim.lightcone[i].direction[1];
maphdr.direction[2] = sim.lightcone[i].direction[2];
maphdr.boxsize = sim.boxsize;
memset((void *) maphdr.fill, 0, 256 - 5 * 4 - 5 * 8);
xsim.initialize(phi->lattice());
if (sim.lightcone[i].direction[0] == 0 && sim.lightcone[i].direction[1] == 0)
{
R[0][0] = sim.lightcone[i].direction[2];
R[0][1] = 0;
R[0][2] = 0;
R[1][0] = 0;
R[1][1] = 1;
R[1][2] = 0;
R[2][0] = 0;
R[2][1] = 0;
R[2][2] = sim.lightcone[i].direction[2];
}
else
{
temp = atan2(sim.lightcone[i].direction[1], sim.lightcone[i].direction[0]);
R[0][0] = cos(temp) * sim.lightcone[i].direction[2];
R[0][1] = -sin(temp);
R[0][2] = sim.lightcone[i].direction[0];
R[1][0] = sin(temp) * sim.lightcone[i].direction[2];
R[1][1] = cos(temp);
R[1][2] = sim.lightcone[i].direction[1];
R[2][0] = -sqrt(1. - sim.lightcone[i].direction[2]*sim.lightcone[i].direction[2]);
R[2][1] = 0;
R[2][2] = sim.lightcone[i].direction[2];
}
#endif
if (sim.lightcone[i].distance[0] > s[0] && sim.lightcone[i].distance[1] <= s[1] && s[1] > 0.)
{
if (parallel.isRoot() && outfile != NULL)
{
fprintf(outfile, "%6d %e %e %2.12f %2.12f %2.12f %2.12f\n", cycle, tau, a, d - tau - 0.5 * dtau, d - tau + 0.5 * dtau_old, s[0], s[1]);
fclose(outfile);
if (sim.num_lightcone > 1)
sprintf(filename, "%s%s%d_info.bin", sim.output_path, sim.basename_lightcone, i);
else
sprintf(filename, "%s%s_info.bin", sim.output_path, sim.basename_lightcone);
outfile = fopen(filename, "a");
if (outfile == NULL)
{
cout << " error opening file for lightcone info!" << endl;
}
else
{
((double *) buffer)[0] = tau;
((double *) buffer)[1] = a;
((double *) buffer)[2] = d - tau - 0.5 * dtau;
((double *) buffer)[3] = d - tau + 0.5 * dtau_old;
fwrite((const void *) &cycle, sizeof(int), 1, outfile);
fwrite((const void *) buffer, sizeof(double), 4, outfile);
fwrite((const void *) s, sizeof(double), 2, outfile);
fclose(outfile);
}
}
#ifdef HAVE_HEALPIX
bytes = 0;
bytes2 = 0;
for (j = 0; j < 9; j++)
pixbuf_reserve[j] = PIXBUFFER;
if (sim.out_lightcone[i] & MASK_PHI)
{
for (j = 0; j < 9; j++)
pixbuf[LIGHTCONE_PHI_OFFSET][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
}
if (sim.out_lightcone[i] & MASK_CHI)
{
for (j = 0; j < 9; j++)
pixbuf[LIGHTCONE_CHI_OFFSET][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
}
if (sim.out_lightcone[i] & MASK_B)
{
for (j = 0; j < 9; j++)
{
pixbuf[LIGHTCONE_B_OFFSET][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
pixbuf[LIGHTCONE_B_OFFSET+1][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
pixbuf[LIGHTCONE_B_OFFSET+2][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
}
}
if (sim.out_lightcone[i] & MASK_HIJ)
{
for (j = 0; j < 9; j++)
{
pixbuf[LIGHTCONE_HIJ_OFFSET][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
pixbuf[LIGHTCONE_HIJ_OFFSET+1][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
pixbuf[LIGHTCONE_HIJ_OFFSET+2][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
pixbuf[LIGHTCONE_HIJ_OFFSET+3][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
pixbuf[LIGHTCONE_HIJ_OFFSET+4][j] = (Real *) malloc(sizeof(Real) * PIXBUFFER);
}
}
if (sim.gr_flag == 0 && sim.out_lightcone[i] & MASK_B && done_B == 0)
{
plan_Bi->execute(FFT_BACKWARD);
Bi->updateHalo();
done_B = 1;
}
if (sim.out_lightcone[i] & MASK_HIJ && done_hij == 0)
{
projectFTtensor(*SijFT, *SijFT);
plan_Sij->execute(FFT_BACKWARD);
Sij->updateHalo();
done_hij = 1;
}
if ((shell_outer + 1 - shell_inner) > parallel.size())
{
shell_write = ((shell_outer + 1 - shell_inner) * parallel.rank() + parallel.size() - 1) / parallel.size();
io_group_size = 0;
}
else
{
shell_write = ((shell_outer + 1 - shell_inner) * parallel.rank()) / parallel.size();
io_group_size = (((shell_write+1) * parallel.size() + shell_outer - shell_inner) / (shell_outer + 1 - shell_inner)) - ((shell_write * parallel.size() + shell_outer - shell_inner) / (shell_outer + 1 - shell_inner));
}
for (shell = shell_inner; shell <= shell_outer; shell++)
{
maphdr.distance = (double) shell / (double) sim.numpts / sim.shellfactor[i];
for (maphdr.Nside = sim.Nside[i][0]; maphdr.Nside < sim.Nside[i][1]; maphdr.Nside *= 2)
{
if (12. * maphdr.Nside * maphdr.Nside > sim.pixelfactor[i] * 4. * M_PI * maphdr.distance * maphdr.distance * sim.numpts * sim.numpts) break;
}
for (maphdr.Nside_ring = 2; 2.137937882409166 * sim.numpts * maphdr.distance / maphdr.Nside_ring > phi->lattice().sizeLocal(1) && 2.137937882409166 * sim.numpts * maphdr.distance / maphdr.Nside_ring > phi->lattice().sizeLocal(2) && maphdr.Nside_ring < maphdr.Nside; maphdr.Nside_ring *= 2);
if (sim.lightcone[i].opening > 2./3.)
{
p = 1 + (int) floor(maphdr.Nside * sqrt(3. - 3. * sim.lightcone[i].opening));
maphdr.Npix = 2 * p * (p+1);
}
else if (sim.lightcone[i].opening > -2./3.)
{
p = 1 + (int) floor(maphdr.Nside * (2. - 1.5 * sim.lightcone[i].opening));
maphdr.Npix = 2 * maphdr.Nside * (maphdr.Nside+1) + (p-maphdr.Nside) * 4 * maphdr.Nside;
}
else if (sim.lightcone[i].opening > -1.)
{
p = (int) floor(maphdr.Nside * sqrt(3. + 3. * sim.lightcone[i].opening));
maphdr.Npix = 12 * maphdr.Nside * maphdr.Nside - 2 * p * (p+1);
p = 4 * maphdr.Nside - 1 - p;
}
else
{
maphdr.Npix = 12 * maphdr.Nside * maphdr.Nside;
p = 4 * maphdr.Nside - 1;
}
pixbatch_size[0].push_back(maphdr.Nside / maphdr.Nside_ring);
pixbatch_delim[1].push_back(p / pixbatch_size[0].back());
pixbatch_delim[0].push_back((pixbatch_delim[1].back() > 0) ? pixbatch_delim[1].back()-1 : 0);
pixbatch_delim[2].push_back(pixbatch_delim[1].back()+1);
pixbatch_size[1].push_back((pixbatch_size[0].back() * (pixbatch_size[0].back()+1) + (2*pixbatch_size[0].back() - 1 - p%pixbatch_size[0].back()) * (p%pixbatch_size[0].back())) / 2);
pixbatch_size[2].push_back(((p%pixbatch_size[0].back() + 1) * (p%pixbatch_size[0].back())) / 2);
pixbatch_size[0].back() *= pixbatch_size[0].back();
for (p = 0; p < 3; p++)
{
if (pixbatch_delim[p].back() <= maphdr.Nside_ring)
pixbatch_delim[p].back() = 2 * pixbatch_delim[p].back() * (pixbatch_delim[p].back()+1);
else if (pixbatch_delim[p].back() <= 3 * maphdr.Nside_ring)
pixbatch_delim[p].back() = 2 * maphdr.Nside_ring * (maphdr.Nside_ring+1) + (pixbatch_delim[p].back()-maphdr.Nside_ring) * 4 * maphdr.Nside_ring;
else if (pixbatch_delim[p].back() < 4 * maphdr.Nside_ring)
pixbatch_delim[p].back() = 12 * maphdr.Nside_ring * maphdr.Nside_ring - 2 * (4 * maphdr.Nside_ring - 1 - pixbatch_delim[p].back()) * (4 * maphdr.Nside_ring - pixbatch_delim[p].back());
else
pixbatch_delim[p].back() = 12 * maphdr.Nside_ring * maphdr.Nside_ring;
}
if (pixbatch_size[1].back() == pixbatch_size[0].back())
pixbatch_delim[0].back() = pixbatch_delim[1].back();
for (j = 0; j < 9; j++)
pixbuf_size[j] = 0;
for (p = 0; p < pixbatch_delim[2].back(); p++)
{
pix2vec_ring64(maphdr.Nside_ring, p, w);
base_pos[1] = (int) floor((maphdr.distance * (R[1][0] * w[0] + R[1][1] * w[1] + R[1][2] * w[2]) + sim.lightcone[i].vertex[1]) * sim.numpts) % sim.numpts;
if (base_pos[1] < 0) base_pos[1] += sim.numpts;
commdir[1] = phi->lattice().getRankDim1(base_pos[1]);
j = commdir[1]*parallel.grid_size()[0];
commdir[1] -= parallel.grid_rank()[1];
if (commdir[1] < -1) commdir[1] += parallel.grid_size()[1];
else if (commdir[1] > 1) commdir[1] -= parallel.grid_size()[1];
base_pos[2] = (int) floor((maphdr.distance * (R[2][0] * w[0] + R[2][1] * w[1] + R[2][2] * w[2]) + sim.lightcone[i].vertex[2]) * sim.numpts) % sim.numpts;
if (base_pos[2] < 0) base_pos[2] += sim.numpts;
commdir[0] = phi->lattice().getRankDim0(base_pos[2]);
j += commdir[0];
commdir[0] -= parallel.grid_rank()[0];
if (commdir[0] < -1) commdir[0] += parallel.grid_size()[0];
else if (commdir[0] > 1) commdir[0] -= parallel.grid_size()[0];
if ((io_group_size == 0 && parallel.rank() == ((shell - shell_inner) * parallel.size()) / (shell_outer + 1 - shell_inner)) || (io_group_size > 0 && shell - shell_inner == shell_write && ((pixbatch_delim[2].back() >= io_group_size && p / (pixbatch_delim[2].back() / io_group_size) < io_group_size && p / (pixbatch_delim[2].back() / io_group_size) == parallel.rank() - (shell_write * parallel.size() + shell_outer - shell_inner) / (shell_outer + 1 - shell_inner)) || (parallel.rank() - (shell_write * parallel.size() + shell_outer - shell_inner) / (shell_outer + 1 - shell_inner) == io_group_size - 1 && (pixbatch_delim[2].back() < io_group_size || p / (pixbatch_delim[2].back() / io_group_size) >= io_group_size))))) {
sender_proc.push_back(j);
}
if (commdir[0] * commdir[0] > 1 || commdir[1] * commdir[1] > 1) continue;
ring2nest64(maphdr.Nside_ring, p, &pix);
pix *= pixbatch_size[0].back();
if (p < pixbatch_delim[0].back()) pixbatch_type = 0;
else if (p < pixbatch_delim[1].back()) pixbatch_type = 1;
else pixbatch_type = 2;
j = 3*commdir[0]+commdir[1]+4;
if (pixbuf_size[j] + pixbatch_size[pixbatch_type].back() > pixbuf_reserve[j])
{
do
{
pixbuf_reserve[j] += PIXBUFFER;
}
while (pixbuf_size[j] + pixbatch_size[pixbatch_type].back() > pixbuf_reserve[j]);
for (q = 0; q < LIGHTCONE_MAX_FIELDS; q++)
{
if (pixbuf[q][j] != NULL)
{
pixbuf[q][j] = (Real *) realloc((void *) pixbuf[q][j], sizeof(Real) * pixbuf_reserve[j]);
if (pixbuf[q][j] == NULL)
{
cout << COLORTEXT_RED << " error" << COLORTEXT_RESET << ": proc#" << parallel.rank() << " unable to allocate memory for pixelisation!" << endl;
parallel.abortForce();
}
}
}
}
for (q = 0; q < pixbatch_size[pixbatch_type].back(); pix++)
{
pixcount++;
if (pixbatch_type)
{
nest2ring64(maphdr.Nside, pix, &pix2);
if (pix2 >= maphdr.Npix) continue;
}
pix2vec_nest64(maphdr.Nside, pix, w);
pos[0] = (maphdr.distance * (R[0][0] * w[0] + R[0][1] * w[1] + R[0][2] * w[2]) + sim.lightcone[i].vertex[0]) * sim.numpts;
pos[1] = (maphdr.distance * (R[1][0] * w[0] + R[1][1] * w[1] + R[1][2] * w[2]) + sim.lightcone[i].vertex[1]) * sim.numpts;
pos[2] = (maphdr.distance * (R[2][0] * w[0] + R[2][1] * w[1] + R[2][2] * w[2]) + sim.lightcone[i].vertex[2]) * sim.numpts;
if (pos[0] >= 0)
{
w[0] = modf(pos[0], &temp);
base_pos[0] = (int) temp % sim.numpts;
}
else
{
w[0] = 1. + modf(pos[0], &temp);
base_pos[0] = sim.numpts - 1 - (((int) -temp) % sim.numpts);
}
if (pos[1] >= 0)
{
w[1] = modf(pos[1], &temp);
base_pos[1] = (int) temp % sim.numpts;
}
else
{
w[1] = 1. + modf(pos[1], &temp);
base_pos[1] = sim.numpts - 1 - (((int) -temp) % sim.numpts);
}
if (pos[2] >= 0)
{
w[2] = modf(pos[2], &temp);
base_pos[2] = (int) temp % sim.numpts;
}
else
{
w[2] = 1. + modf(pos[2], &temp);
base_pos[2] = sim.numpts - 1 - (((int) -temp) % sim.numpts);
}
if (xsim.setCoord(base_pos))
{
if (sim.out_lightcone[i] & MASK_PHI)
{
*(pixbuf[LIGHTCONE_PHI_OFFSET][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.-w[1]) * ((1.-w[2]) * (*phi)(xsim) + w[2] * (*phi)(xsim+2));
*(pixbuf[LIGHTCONE_PHI_OFFSET][j]+pixbuf_size[j]+q) += w[0] * (1.-w[1]) * ((1.-w[2]) * (*phi)(xsim+0) + w[2] * (*phi)(xsim+0+2));
*(pixbuf[LIGHTCONE_PHI_OFFSET][j]+pixbuf_size[j]+q) += w[0] * w[1] * ((1.-w[2]) * (*phi)(xsim+0+1) + w[2] * (*phi)(xsim+0+1+2));
*(pixbuf[LIGHTCONE_PHI_OFFSET][j]+pixbuf_size[j]+q) += (1.-w[0]) * w[1] * ((1.-w[2]) * (*phi)(xsim+1) + w[2] * (*phi)(xsim+1+2));
}
if (sim.out_lightcone[i] & MASK_CHI)
{
*(pixbuf[LIGHTCONE_CHI_OFFSET][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.-w[1]) * ((1.-w[2]) * (*chi)(xsim) + w[2] * (*chi)(xsim+2));
*(pixbuf[LIGHTCONE_CHI_OFFSET][j]+pixbuf_size[j]+q) += w[0] * (1.-w[1]) * ((1.-w[2]) * (*chi)(xsim+0) + w[2] * (*chi)(xsim+0+2));
*(pixbuf[LIGHTCONE_CHI_OFFSET][j]+pixbuf_size[j]+q) += w[0] * w[1] * ((1.-w[2]) * (*chi)(xsim+0+1) + w[2] * (*chi)(xsim+0+1+2));
*(pixbuf[LIGHTCONE_CHI_OFFSET][j]+pixbuf_size[j]+q) += (1.-w[0]) * w[1] * ((1.-w[2]) * (*chi)(xsim+1) + w[2] * (*chi)(xsim+1+2));
}
if (sim.out_lightcone[i] & MASK_B)
{
#ifdef LIGHTCONE_INTERPOLATE
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) = (1.-w[2]) * (1.-w[1]) * ((1.-w[0]) * (*Bi)(xsim-0,0) + w[0] * (*Bi)(xsim+0,0) + (*Bi)(xsim,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += w[2] * (1.-w[1]) * ((1.-w[0]) * (*Bi)(xsim-0+2,0) + w[0] * (*Bi)(xsim+0+2,0) + (*Bi)(xsim+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += w[2] * w[1] * ((1.-w[0]) * (*Bi)(xsim-0+1+2,0) + w[0] * (*Bi)(xsim+0+1+2,0) + (*Bi)(xsim+1+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (1.-w[2]) * w[1] * ((1.-w[0]) * (*Bi)(xsim-0+1,0) + w[0] * (*Bi)(xsim+0+1,0) + (*Bi)(xsim+1,0));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) = (1.-w[2]) * (1.-w[0]) * ((1.-w[1]) * (*Bi)(xsim-1,1) + w[1] * (*Bi)(xsim+1,1) + (*Bi)(xsim,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += w[2] * (1.-w[0]) * ((1.-w[1]) * (*Bi)(xsim-1+2,1) + w[1] * (*Bi)(xsim+1+2,1) + (*Bi)(xsim+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += w[2] * w[0] * ((1.-w[1]) * (*Bi)(xsim+0-1+2,1) + w[1] * (*Bi)(xsim+0+1+2,1) + (*Bi)(xsim+0+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += (1.-w[2]) * w[0] * ((1.-w[1]) * (*Bi)(xsim+0-1,1) + w[1] * (*Bi)(xsim+0+1,1) + (*Bi)(xsim+0,1));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.-w[1]) * ((1.-w[2]) * (*Bi)(xsim-2,2) + w[2] * (*Bi)(xsim+2,2) + (*Bi)(xsim,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += w[0] * (1.-w[1]) * ((1.-w[2]) * (*Bi)(xsim+0-2,2) + w[2] * (*Bi)(xsim+0+2,2) + (*Bi)(xsim+0,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += w[0] * w[1] * ((1.-w[2]) * (*Bi)(xsim+0+1-2,2) + w[2] * (*Bi)(xsim+0+1+2,2) + (*Bi)(xsim+0+1,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += (1.-w[0]) * w[1] * ((1.-w[2]) * (*Bi)(xsim+1-2,2) + w[2] * (*Bi)(xsim+1+2,2) + (*Bi)(xsim+1,2));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) /= 2. * a * a * sim.numpts;
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) /= 2. * a * a * sim.numpts;
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) /= 2. * a * a * sim.numpts;
#else
if (w[0] > 0.5)
{
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) = (1.5-w[0]) * (1.-w[1]) * ((1.-w[2]) * (*Bi)(xsim,0) + w[2] * (*Bi)(xsim+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (1.5-w[0]) * w[1] * ((1.-w[2]) * (*Bi)(xsim+1,0) + w[2] * (*Bi)(xsim+1+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (w[0]-0.5) * w[1] * ((1.-w[2]) * (*Bi)(xsim+0+1,0) + w[2] * (*Bi)(xsim+0+1+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (w[0]-0.5) * (1.-w[1]) * ((1.-w[2]) * (*Bi)(xsim+0,0) + w[2] * (*Bi)(xsim+0+2,0));
}
else
{
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) = (0.5+w[0]) * (1.-w[1]) * ((1.-w[2]) * (*Bi)(xsim,0) + w[2] * (*Bi)(xsim+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (0.5+w[0]) * w[1] * ((1.-w[2]) * (*Bi)(xsim+1,0) + w[2] * (*Bi)(xsim+1+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (0.5-w[0]) * w[1] * ((1.-w[2]) * (*Bi)(xsim-0+1,0) + w[2] * (*Bi)(xsim-0+1+2,0));
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) += (0.5-w[0]) * (1.-w[1]) * ((1.-w[2]) * (*Bi)(xsim-0,0) + w[2] * (*Bi)(xsim-0+2,0));
}
if (w[1] > 0.5)
{
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.5-w[1]) * ((1.-w[2]) * (*Bi)(xsim,1) + w[2] * (*Bi)(xsim+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += (1.-w[0]) * (w[1]-0.5) * ((1.-w[2]) * (*Bi)(xsim+1,1) + w[2] * (*Bi)(xsim+1+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += w[0] * (w[1]-0.5) * ((1.-w[2]) * (*Bi)(xsim+0+1,1) + w[2] * (*Bi)(xsim+0+1+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += w[0] * (1.5-w[1]) * ((1.-w[2]) * (*Bi)(xsim+0,1) + w[2] * (*Bi)(xsim+0+2,1));
}
else
{
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) = (1.-w[0]) * (0.5+w[1]) * ((1.-w[2]) * (*Bi)(xsim,1) + w[2] * (*Bi)(xsim+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += (1.-w[0]) * (0.5-w[1]) * ((1.-w[2]) * (*Bi)(xsim-1,1) + w[2] * (*Bi)(xsim-1+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += w[0] * (0.5-w[1]) * ((1.-w[2]) * (*Bi)(xsim+0-1,1) + w[2] * (*Bi)(xsim+0-1+2,1));
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) += w[0] * (0.5+w[1]) * ((1.-w[2]) * (*Bi)(xsim+0,1) + w[2] * (*Bi)(xsim+0+2,1));
}
if (w[2] > 0.5)
{
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.-w[1]) * ((1.5-w[2]) * (*Bi)(xsim,2) + (w[2]-0.5) * (*Bi)(xsim+2,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += (1.-w[0]) * w[1] * ((1.5-w[2]) * (*Bi)(xsim+1,2) + (w[2]-0.5) * (*Bi)(xsim+1+2,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += w[0] * w[1] * ((1.5-w[2]) * (*Bi)(xsim+0+1,2) + (w[2]-0.5) * (*Bi)(xsim+0+1+2,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += w[0] * (1.-w[1]) * ((1.5-w[2]) * (*Bi)(xsim+0,2) + (w[2]-0.5) * (*Bi)(xsim+0+2,2));
}
else
{
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.-w[1]) * ((0.5+w[2]) * (*Bi)(xsim,2) + (0.5-w[2]) * (*Bi)(xsim-2,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += (1.-w[0]) * w[1] * ((0.5+w[2]) * (*Bi)(xsim+1,2) + (0.5-w[2]) * (*Bi)(xsim+1-2,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += w[0] * w[1] * ((0.5+w[2]) * (*Bi)(xsim+0+1,2) + (0.5-w[2]) * (*Bi)(xsim+0+1-2,2));
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) += w[0] * (1.-w[1]) * ((0.5+w[2]) * (*Bi)(xsim+0,2) + (0.5-w[2]) * (*Bi)(xsim+0-2,2));
}
*(pixbuf[LIGHTCONE_B_OFFSET][j]+pixbuf_size[j]+q) /= a * a * sim.numpts;
*(pixbuf[LIGHTCONE_B_OFFSET+1][j]+pixbuf_size[j]+q) /= a * a * sim.numpts;
*(pixbuf[LIGHTCONE_B_OFFSET+2][j]+pixbuf_size[j]+q) /= a * a * sim.numpts;
#endif
}
if (sim.out_lightcone[i] & MASK_HIJ)
{
*(pixbuf[LIGHTCONE_HIJ_OFFSET][j]+pixbuf_size[j]+q) = (1.-w[0]) * (1.-w[1]) * ((1.-w[2]) * (*Sij)(xsim,0,0) + w[2] * (*Sij)(xsim+2,0,0));
*(pixbuf[LIGHTCONE_HIJ_OFFSET][j]+pixbuf_size[j]+q) += w[0] * (1.-w[1]) * ((1.-w[2]) * (*Sij)(xsim+0,0,0) + w[2] * (*Sij)(xsim+0+2,0,0));
*(pixbuf[LIGHTCONE_HIJ_OFFSET][j]+pixbuf_size[j]+q) += w[0] * w[1] * ((1.-w[2]) * (*Sij)(xsim+0+1,0,0) + w[2] * (*Sij)(xsim+0+1+2,0,0));
*(pixbuf[LIGHTCONE_HIJ_OFFSET][j]+pixbuf_size[j]+q) += (1.-w[0]) * w[1] * ((1.-w[2]) * (*Sij)(xsim+1,0,0) + w[2] * (*Sij)(xsim+1+2,0,0));
*(pixbuf[LIGHTCONE_HIJ_OFFSET+1][j]+pixbuf_size[j]+q) = (1.-w[2]) * 0.25 * ((*Sij)(xsim,0,1) + (1.-w[0]) * ((*Sij)(xsim-0,0,1) + (1.-w[1]) * (*Sij)(xsim-0-1,0,1) + w[1] * (*Sij)(xsim-0+1,0,1)) + w[0] * ((*Sij)(xsim+0,0,1) + (1.-w[1]) * (*Sij)(xsim+0-1,0,1) + w[1] * (*Sij)(xsim+0+1,0,1)) + (1.-w[1]) * (*Sij)(xsim-1,0,1) + w[1] * (*Sij)(xsim+1,0,1));