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Matthieu Schaller authoredMatthieu Schaller authored
runner_time_integration.c 42.09 KiB
/*******************************************************************************
* This file is part of SWIFT.
* Copyright (c) 2012 Pedro Gonnet (pedro.gonnet@durham.ac.uk)
* Matthieu Schaller (matthieu.schaller@durham.ac.uk)
* 2015 Peter W. Draper (p.w.draper@durham.ac.uk)
*
* 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/>.
*
******************************************************************************/
/* Config parameters. */
#include "../config.h"
/* This object's header. */
#include "runner.h"
/* Local headers. */
#include "active.h"
#include "black_holes.h"
#include "cell.h"
#include "engine.h"
#include "feedback.h"
#include "kick.h"
#include "multipole.h"
#include "timers.h"
#include "timestep.h"
#include "timestep_limiter.h"
#include "timestep_sync.h"
#include "tracers.h"
/**
* @brief Initialize the multipoles before the gravity calculation.
*
* @param r The runner thread.
* @param c The cell.
* @param timer 1 if the time is to be recorded.
*/
void runner_do_init_grav(struct runner *r, struct cell *c, int timer) {
const struct engine *e = r->e;
TIMER_TIC;
#ifdef SWIFT_DEBUG_CHECKS
if (!(e->policy & engine_policy_self_gravity))
error("Grav-init task called outside of self-gravity calculation");
#endif
/* Anything to do here? */
if (!cell_is_active_gravity(c, e)) return;
/* Reset the gravity acceleration tensors */
gravity_field_tensors_init(&c->grav.multipole->pot, e->ti_current);
/* Recurse? */
if (c->split) {
for (int k = 0; k < 8; k++) {
if (c->progeny[k] != NULL) runner_do_init_grav(r, c->progeny[k], 0);
}