75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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LAMMPS development team: developers@lammps.org
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#include "fix_dummy.h"
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#include "error.h"
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#include <cstring>
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using namespace LAMMPS_NS;
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using namespace FixConst;
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/* ---------------------------------------------------------------------- */
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FixDummy::FixDummy(LAMMPS *lmp, int narg, char **arg) : Fix(lmp, narg, arg)
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{
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// process optional args
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// customize here and in setmask() by adding a new keyword from fix.h
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// only necessary if both of these are true:
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// (a) the real fix you are placeholding for defines the method
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// (b) the real fix will be defined so late in run initialization
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// that the dummy fix will have already been processed by Modify::init()
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// so its index needs to be added to lists of fixes invoked during a run
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initial_integrate_flag = final_integrate_flag = 0;
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pre_exchange_flag = pre_neighbor_flag = 0;
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pre_force_flag = post_force_flag = 0;
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end_of_step_flag = 0;
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int iarg = 3;
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while (iarg < narg) {
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if (strcmp(arg[iarg], "initial_integrate") == 0)
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initial_integrate_flag = 1;
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else if (strcmp(arg[iarg], "final_integrate") == 0)
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final_integrate_flag = 1;
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else if (strcmp(arg[iarg], "pre_exchange") == 0)
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pre_exchange_flag = 1;
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else if (strcmp(arg[iarg], "pre_neighbor") == 0)
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pre_neighbor_flag = 1;
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else if (strcmp(arg[iarg], "pre_force") == 0)
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pre_force_flag = 1;
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else if (strcmp(arg[iarg], "post_force") == 0)
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post_force_flag = 1;
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else if (strcmp(arg[iarg], "end_of_step") == 0)
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end_of_step_flag = 1;
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else
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error->all(FLERR, "Illegal fix DUMMY command");
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iarg++;
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}
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}
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/* ---------------------------------------------------------------------- */
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int FixDummy::setmask()
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{
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int mask = 0;
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if (initial_integrate_flag) mask |= INITIAL_INTEGRATE;
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if (final_integrate_flag) mask |= FINAL_INTEGRATE;
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if (pre_exchange_flag) mask |= PRE_EXCHANGE;
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if (pre_neighbor_flag) mask |= PRE_NEIGHBOR;
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if (pre_force_flag) mask |= PRE_FORCE;
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if (post_force_flag) mask |= POST_FORCE;
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if (end_of_step_flag) mask |= END_OF_STEP;
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return mask;
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}
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