Files
lammps/src/fix_nvt_sphere.cpp
2020-06-29 00:06:28 -04:00

46 lines
1.5 KiB
C++

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://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 "fix_nvt_sphere.h"
#include <cstring>
#include <string>
#include "group.h"
#include "modify.h"
#include "error.h"
#include "fmt/format.h"
using namespace LAMMPS_NS;
using namespace FixConst;
/* ---------------------------------------------------------------------- */
FixNVTSphere::FixNVTSphere(LAMMPS *lmp, int narg, char **arg) :
FixNHSphere(lmp, narg, arg)
{
if (!tstat_flag)
error->all(FLERR,"Temperature control must be used with fix nvt/sphere");
if (pstat_flag)
error->all(FLERR,"Pressure control can not be used with fix nvt/sphere");
// create a new compute temp style
// id = fix-ID + temp
std::string cmd = id + std::string("_temp");
id_temp = new char[cmd.size()+1];
strcpy(id_temp,cmd.c_str());
cmd += fmt::format(" {} temp/sphere",group->names[igroup]);
modify->add_compute(cmd);
tcomputeflag = 1;
}