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/* ----------------------------------------------------------------------
    This is the

    ██╗     ██╗ ██████╗  ██████╗  ██████╗ ██╗  ██╗████████╗███████╗
    ██║     ██║██╔════╝ ██╔════╝ ██╔════╝ ██║  ██║╚══██╔══╝██╔════╝
    ██║     ██║██║  ███╗██║  ███╗██║  ███╗███████║   ██║   ███████╗
    ██║     ██║██║   ██║██║   ██║██║   ██║██╔══██║   ██║   ╚════██║
    ███████╗██║╚██████╔╝╚██████╔╝╚██████╔╝██║  ██║   ██║   ███████║
    ╚══════╝╚═╝ ╚═════╝  ╚═════╝  ╚═════╝ ╚═╝  ╚═╝   ╚═╝   ╚══════╝®

    DEM simulation engine, released by
    DCS Computing Gmbh, Linz, Austria
    http://www.dcs-computing.com, office@dcs-computing.com

    LIGGGHTS® is part of CFDEM®project:
    http://www.liggghts.com | http://www.cfdem.com

    Core developer and main author:
    Christoph Kloss, christoph.kloss@dcs-computing.com

    LIGGGHTS® is open-source, distributed under the terms of the GNU Public
    License, version 2 or later. It 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. You should have
    received a copy of the GNU General Public License along with LIGGGHTS®.
    If not, see http://www.gnu.org/licenses . See also top-level README
    and LICENSE files.

    LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
    the producer of the LIGGGHTS® software and the CFDEM®coupling software
    See http://www.cfdem.com/terms-trademark-policy for details.

-------------------------------------------------------------------------
    Contributing author and copyright for this file:
    This file is from LAMMPS, but has been modified. Copyright for
    modification:

    Copyright 2012-     DCS Computing GmbH, Linz
    Copyright 2009-2012 JKU Linz

    Copyright of original file:
    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.
------------------------------------------------------------------------- */

#ifdef COMMAND_CLASS

CommandStyle(delete_atoms,DeleteAtoms)

#else

#ifndef LMP_DELETE_ATOMS_H
#define LMP_DELETE_ATOMS_H

#include "pointers.h"
#include <map>

namespace LAMMPS_NS {

class DeleteAtoms : protected Pointers {
 public:
  DeleteAtoms(class LAMMPS *);
  void command(int, char **);

 private:
  int *dlist;
  int compress_flag,mol_flag;
  std::map<int,int> *hash;

  void delete_group(int, char **);
  void delete_region(int, char **);
  void delete_overlap(int, char **);
  void delete_porosity(int, char **);
  void options(int, char **);

  inline int sbmask(int j) {
    return j >> SBBITS & 3;
  }
  // static variable for ring communication callback to access class data
  // callback functions for ring communication

  static DeleteAtoms *cptr;
  static void molring(int, char *);
};

}

#endif
#endif

/* ERROR/WARNING messages:

E: Delete_atoms command before simulation box is defined

The delete_atoms command cannot be used before a read_data,
read_restart, or create_box command.

E: Illegal ... command

Self-explanatory.  Check the input script syntax and compare to the
documentation for the command.  You can use -echo screen as a
command-line option when running LAMMPS to see the offending line.

E: Cannot use delete_atoms unless atoms have IDs

Your atoms do not have IDs, so the delete_atoms command cannot be
used.

E: Could not find delete_atoms group ID

Group ID used in the delete_atoms command does not exist.

E: Could not find delete_atoms region ID

Region ID used in the delete_atoms command does not exist.

E: Delete_atoms requires a pair style be defined

This is because atom deletion within a cutoff uses a pairwise
neighbor list.

E: Delete_atoms cutoff > neighbor cutoff

Cannot delete atoms further away than a processor knows about.

*/