Files
lammps/src/minimize.cpp

75 lines
2.5 KiB
C++

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories
LAMMPS development team: developers@lammps.org
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#include "minimize.h"
#include "citeme.h"
#include "domain.h"
#include "error.h"
#include "finish.h"
#include "min.h"
#include "timer.h"
#include "update.h"
using namespace LAMMPS_NS;
/* ---------------------------------------------------------------------- */
Minimize::Minimize(LAMMPS *lmp) : Command(lmp) {}
/* ---------------------------------------------------------------------- */
void Minimize::command(int narg, char **arg)
{
if (narg != 4)
error->all(FLERR, "Illegal minimize command: expected 4 arguments but found {}", narg);
if (domain->box_exist == 0)
error->all(FLERR, "Minimize command before simulation box is defined" + utils::errorurl(33));
// ignore minimize command, if walltime limit was already reached
if (timer->is_timeout()) return;
update->etol = utils::numeric(FLERR, arg[0], false, lmp);
update->ftol = utils::numeric(FLERR, arg[1], false, lmp);
update->nsteps = utils::inumeric(FLERR, arg[2], false, lmp);
update->max_eval = utils::inumeric(FLERR, arg[3], false, lmp);
if (update->etol < 0.0) error->all(FLERR, "Illegal minimize energy tolerance: {}", update->etol);
if (update->ftol < 0.0) error->all(FLERR, "Illegal minimize force tolerance: {}", update->ftol);
if (lmp->citeme) lmp->citeme->flush();
update->whichflag = 2;
update->beginstep = update->firststep = update->ntimestep;
update->endstep = update->laststep = update->firststep + update->nsteps;
if (update->laststep < 0) error->all(FLERR, "Too many iterations");
lmp->init();
timer->init_timeout();
update->minimize->setup();
timer->init();
timer->barrier_start();
update->minimize->run(update->nsteps);
timer->barrier_stop();
update->minimize->cleanup();
Finish finish(lmp);
finish.end(1);
update->whichflag = 0;
update->firststep = update->laststep = 0;
update->beginstep = update->endstep = 0;
}