Files
lammps/src/minimize.cpp
Axel Kohlmeyer 4912cde2ae initial attempt to refactor the citation logging in LAMMPS
this implements the basic features and flow of control.
to be done are the specific texts and the documentation.
2020-12-27 12:14:12 -05:00

75 lines
2.3 KiB
C++

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://lammps.sandia.gov/, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
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) : Pointers(lmp) {}
/* ---------------------------------------------------------------------- */
void Minimize::command(int narg, char **arg)
{
if (narg != 4) error->all(FLERR,"Illegal minimize command");
if (domain->box_exist == 0)
error->all(FLERR,"Minimize command before simulation box is defined");
// 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 || update->ftol < 0.0)
error->all(FLERR,"Illegal minimize command");
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;
}