/*******************************************************************************
 * This file is part of SWIFT.
 * Copyright (c) 2016 Matthieu Schaller (schaller@strw.leidenuniv.nl)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 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 Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/
#ifndef SWIFT_MESH_GRAVITY_MPI_H
#define SWIFT_MESH_GRAVITY_MPI_H

/* Config parameters. */
#include <config.h>

/* Forward declarations */
struct space;
struct cell;
struct threadpool;
struct pm_mesh;
struct pm_mesh_patch;
struct neutrino_model;

void accumulate_cell_to_local_patch(const int N, const double fac,
                                    const double *dim, const struct cell *cell,
                                    struct pm_mesh_patch *patch,
                                    const struct neutrino_model *nu_model);

void mpi_mesh_accumulate_gparts_to_local_patches(
    struct threadpool *tp, const int N, const double fac, const struct space *s,
    struct pm_mesh_patch *local_patches);

void mpi_mesh_local_patches_to_slices(const int N, const int local_n0,
                                      struct pm_mesh_patch *local_patches,
                                      const int nr_patches, double *mesh,
                                      struct threadpool *tp, const int verbose);

void mpi_mesh_fetch_potential(const int N, const double fac,
                              const struct space *s, int local_0_start,
                              int local_n0, double *potential_slice,
                              struct pm_mesh_patch *local_patches,
                              struct threadpool *tp, const int verbose);

void mpi_mesh_update_gparts(struct pm_mesh_patch *local_patches,
                            const struct space *s, struct threadpool *tp,
                            const int N, const double cell_fac);
#endif